[maven-release-plugin] prepare release ebean-11.15.12

FIX: jsonRead of transient maps - to skip the read of start_array - Avoid error "Unexpected token start_object - expecting start_array "

pom.xml

@@ -9,15 +9,20 @@
 
   <groupId>io.ebean</groupId>
   <artifactId>ebean</artifactId>
-  <version>11.15.5</version>
+  <version>11.15.12</version>
   <packaging>jar</packaging>
 
   <name>ebean</name>
   <url>http://ebean-orm.github.io/</url>
 
+  <properties>
+    <jackson-core.version>2.9.5</jackson-core.version>
+    <snakeyaml.version>1.21</snakeyaml.version>
+  </properties>
+
   <scm>
     <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>ebean-11.15.5</tag>
+    <tag>ebean-11.15.12</tag>
   </scm>
 
   <profiles>
@@ -89,7 +94,7 @@
     <dependency>
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
-      <version>1.19</version>
+      <version>${snakeyaml.version}</version>
     </dependency>
 
     <!--
@@ -143,14 +148,14 @@
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-core</artifactId>
-      <version>2.9.0</version>
+      <version>${jackson-core.version}</version>
     </dependency>
 
     <!-- provided scope for JsonNode support -->
     <dependency>
       <groupId>com.fasterxml.jackson.core</groupId>
       <artifactId>jackson-databind</artifactId>
-      <version>2.9.0</version>
+      <version>${jackson-core.version}</version>
       <scope>provided</scope>
     </dependency>
 

src/main/java/io/ebean/config/DbMigrationConfig.java

@@ -402,9 +402,20 @@ public class DbMigrationConfig {
    * You can use placeholders like ${version} or ${timestamp} in properties file.
    */
   public String getDdlHeader() {
+    if (ddlHeader != null && !ddlHeader.isEmpty()) {
+      ddlHeader = StringHelper.replaceString(ddlHeader, "${version}", EbeanVersion.getVersion());
+      ddlHeader = StringHelper.replaceString(ddlHeader, "${timestamp}", ZonedDateTime.now().format( DateTimeFormatter.ISO_INSTANT ));
+    }
     return ddlHeader;
   }
 
+  /**
+   * Set the header prepended to the DDL.
+   */
+  public void setDdlHeader(String ddlHeader) {
+    this.ddlHeader = ddlHeader;
+  }
+
   /**
    * Set migration versions that should have their checksum reset and not run.
    * <p>
@@ -475,10 +486,6 @@ public class DbMigrationConfig {
     String adminPwd = properties.get("datasource." + serverName + ".adminpassword", dbPassword);
     dbPassword = properties.get("migration.dbpassword", adminPwd);
     ddlHeader = properties.get("ddl.header", ddlHeader);
-    if (ddlHeader != null && !ddlHeader.isEmpty()) {
-      ddlHeader = StringHelper.replaceString(ddlHeader, "${version}", EbeanVersion.getVersion());
-      ddlHeader = StringHelper.replaceString(ddlHeader, "${timestamp}", ZonedDateTime.now().format( DateTimeFormatter.ISO_INSTANT ));
-    }
   }
 
   /**

src/main/java/io/ebean/config/ServerConfig.java

@@ -493,6 +493,11 @@ public class ServerConfig {
    */
   private List<String> mappingLocations = new ArrayList<>();
 
+  /**
+   * When true we do not need explicit GeneratedValue mapping.
+   */
+  private boolean idGeneratorAutomatic = true;
+
   /**
    * Construct a Server Configuration for programmatically creating an EbeanServer.
    */
@@ -1967,7 +1972,7 @@ public class ServerConfig {
    * This is the same as serverConfig.getMigrationConfig().setRunMigration(). We have added this method here
    * as it is often the only thing we need to configure for migrations.
    */
-  public void setRunMigration(boolean runMigration){
+  public void setRunMigration(boolean runMigration) {
     migrationConfig.setRunMigration(runMigration);
   }
 
@@ -2772,6 +2777,7 @@ public class ServerConfig {
     useJtaTransactionManager = p.getBoolean("useJtaTransactionManager", useJtaTransactionManager);
     useJavaxValidationNotNull = p.getBoolean("useJavaxValidationNotNull", useJavaxValidationNotNull);
     autoReadOnlyDataSource = p.getBoolean("autoReadOnlyDataSource", autoReadOnlyDataSource);
+    idGeneratorAutomatic = p.getBoolean("idGeneratorAutomatic", idGeneratorAutomatic);
 
     backgroundExecutorSchedulePoolSize = p.getInt("backgroundExecutorSchedulePoolSize", backgroundExecutorSchedulePoolSize);
     backgroundExecutorShutdownSecs = p.getInt("backgroundExecutorShutdownSecs", backgroundExecutorShutdownSecs);
@@ -3109,6 +3115,23 @@ public class ServerConfig {
     this.mappingLocations = mappingLocations;
   }
 
+  /**
+   * When false we need explicit <code>@GeneratedValue</code> mapping to assign
+   * Identity or Sequence generated values. When true Id properties are automatically
+   * assigned Identity or Sequence without the GeneratedValue mapping.
+   */
+  public boolean isIdGeneratorAutomatic() {
+    return idGeneratorAutomatic;
+  }
+
+  /**
+   * Set to false such that Id properties require explicit <code>@GeneratedValue</code>
+   * mapping before they are assigned Identity or Sequence generation based on platform.
+   */
+  public void setIdGeneratorAutomatic(boolean idGeneratorAutomatic) {
+    this.idGeneratorAutomatic = idGeneratorAutomatic;
+  }
+
   public enum UuidVersion {
     VERSION4,
     VERSION1,

src/main/java/io/ebean/config/properties/LoadContext.java

@@ -37,7 +37,7 @@ class LoadContext {
 
     InputStream is = null;
     if (source == Loader.Source.RESOURCE) {
-      is = getClass().getResourceAsStream("/" + resourcePath);
+      is = resourceStream(resourcePath);
       if (is != null) {
         loadedResources.add(resourcePath);
       }
@@ -56,6 +56,15 @@ class LoadContext {
 		return is;
 	}
 
+  private InputStream resourceStream(String resourcePath) {
+    InputStream is = getClass().getResourceAsStream("/" + resourcePath);
+    if (is == null) {
+      // search the module path for top level resource
+      is =  ClassLoader.getSystemResourceAsStream(resourcePath);
+    }
+    return is;
+  }
+
   /**
    * Add a property entry.
    */

src/main/java/io/ebean/dbmigration/DbMigration.java

@@ -93,6 +93,38 @@ public interface DbMigration {
    */
   void setStrictMode(boolean strictMode);
 
+  /**
+   * Set to true to include a generated header comment in the DDL script.
+   */
+  void setIncludeGeneratedFileComment(boolean includeGeneratedFileComment);
+
+  /**
+   * Set the header that is included in the generated DDL script.
+   */
+  void setHeader(String header);
+
+  /**
+   * Set the prefix for the version. Set this to "V" for use with Flyway.
+   */
+  void setApplyPrefix(String applyPrefix);
+
+  /**
+   * Set the version of the migration to be generated.
+   */
+  void setVersion(String version);
+
+  /**
+   * Set the name of the migration to be generated.
+   */
+  void setName(String name);
+
+  /**
+   * Generate a migration for the version specified that contains pending drops.
+   *
+   * @param generatePendingDrop The version of a prior migration that holds pending drops.
+   */
+  void setGeneratePendingDrop(String generatePendingDrop);
+
   /**
    * Add an additional platform to write the migration DDL.
    * <p>

src/main/java/io/ebean/event/ServletContextListener.java

@@ -0,0 +1,38 @@
+package io.ebean.event;
+
+import io.ebeaninternal.server.lib.ShutdownManager;
+
+import javax.servlet.ServletContextEvent;
+
+/**
+ * Listens for webserver server starting and stopping events.
+ * <p>
+ * This should be used when the deployment is into a servlet container where the webapp
+ * can be shutdown or redeployed without the JVM stopping.
+ * </p>
+ * <p>
+ * If deployment is into a container where the JVM is completely shutdown (like spring boot,
+ * runnable war or when using a servlet container that only contains the single webapp and
+ * the JVM is shutdown then this isn't required. Instead we can just rely on the JVM shutdown
+ * hook that Ebean registers.
+ * </p>
+ */
+public class ServletContextListener implements javax.servlet.ServletContextListener {
+
+  /**
+   * The servlet container is stopping.
+   */
+  @Override
+  public void contextDestroyed(ServletContextEvent event) {
+    ShutdownManager.shutdown();
+  }
+
+  /**
+   * Do nothing on startup.
+   */
+  @Override
+  public void contextInitialized(ServletContextEvent event) {
+
+  }
+
+}

src/main/java/io/ebean/text/PathProperties.java

@@ -89,8 +89,7 @@ public class PathProperties implements FetchPath {
   }
 
   Props getProps(String path) {
-    Props props = pathMap.computeIfAbsent(path, p -> new Props(this, null, p));
-    return props;
+    return pathMap.computeIfAbsent(path, p -> new Props(this, null, p));
   }
 
   public Collection<Props> getPathProps() {

src/main/java/io/ebeaninternal/dbmigration/DefaultDbMigration.java

@@ -91,6 +91,12 @@ public class DefaultDbMigration implements DbMigration {
   protected DbConstraintNaming constraintNaming;
 
   protected Boolean strictMode;
+  protected Boolean includeGeneratedFileComment;
+  protected String header;
+  protected String applyPrefix;
+  protected String version;
+  protected String name;
+  protected String generatePendingDrop;
 
   /**
    * Create for offline migration generation.
@@ -148,6 +154,36 @@ public class DefaultDbMigration implements DbMigration {
     this.strictMode = strictMode;
   }
 
+  @Override
+  public void setApplyPrefix(String applyPrefix) {
+    this.applyPrefix = applyPrefix;
+  }
+
+  @Override
+  public void setVersion(String version) {
+    this.version = version;
+  }
+
+  @Override
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  @Override
+  public void setGeneratePendingDrop(String generatePendingDrop) {
+    this.generatePendingDrop = generatePendingDrop;
+  }
+
+  @Override
+  public void setIncludeGeneratedFileComment(boolean includeGeneratedFileComment) {
+    this.includeGeneratedFileComment = includeGeneratedFileComment;
+  }
+
+  @Override
+  public void setHeader(String header) {
+    this.header = header;
+  }
+
   /**
    * Set the specific platform to generate DDL for.
    * <p>
@@ -512,8 +548,28 @@ public class DefaultDbMigration implements DbMigration {
       databasePlatform = server.getDatabasePlatform();
       logger.debug("set platform to {}", databasePlatform.getName());
     }
-    if (strictMode != null && migrationConfig != null) {
-      migrationConfig.setStrictMode(strictMode);
+    if (migrationConfig != null) {
+      if (strictMode != null) {
+        migrationConfig.setStrictMode(strictMode);
+      }
+      if (applyPrefix != null) {
+        migrationConfig.setApplyPrefix(applyPrefix);
+      }
+      if (header != null) {
+        migrationConfig.setDdlHeader(header);
+      }
+      if (includeGeneratedFileComment != null) {
+        migrationConfig.setIncludeGeneratedFileComment(includeGeneratedFileComment);
+      }
+      if (version != null) {
+        migrationConfig.setVersion(version);
+      }
+      if (name != null) {
+        migrationConfig.setName(name);
+      }
+      if (generatePendingDrop != null) {
+        migrationConfig.setGeneratePendingDrop(generatePendingDrop);
+      }
     }
   }
 

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/DdlWrite.java

@@ -18,7 +18,9 @@ public class DdlWrite {
 
   private final DdlBuffer applyForeignKeys;
 
-  private final DdlBuffer applyHistory;
+  private final DdlBuffer applyHistoryView;
+
+  private final DdlBuffer applyHistoryTrigger;
 
   private final DdlBuffer dropAllForeignKeys;
 
@@ -39,7 +41,8 @@ public class DdlWrite {
     this.applyDropDependencies = new BaseDdlBuffer(configuration);
     this.apply = new BaseDdlBuffer(configuration);
     this.applyForeignKeys = new BaseDdlBuffer(configuration);
-    this.applyHistory = new BaseDdlBuffer(configuration);
+    this.applyHistoryView = new BaseDdlBuffer(configuration);
+    this.applyHistoryTrigger = new BaseDdlBuffer(configuration);
     this.dropAllForeignKeys = new BaseDdlBuffer(configuration);
     this.dropAll = new BaseDdlBuffer(configuration);
   }
@@ -61,7 +64,8 @@ public class DdlWrite {
   public boolean isApplyEmpty() {
     return apply.getBuffer().isEmpty()
       && applyForeignKeys.getBuffer().isEmpty()
-      && applyHistory.getBuffer().isEmpty()
+      && applyHistoryView.getBuffer().isEmpty()
+      && applyHistoryTrigger.getBuffer().isEmpty()
       && applyDropDependencies.getBuffer().isEmpty();
   }
 
@@ -90,10 +94,17 @@ public class DdlWrite {
   }
 
   /**
-   * Return the buffer that apply history DDL is written to.
+   * Return the buffer that apply history-view DDL is written to.
    */
-  public DdlBuffer applyHistory() {
-    return applyHistory;
+  public DdlBuffer applyHistoryView() {
+    return applyHistoryView;
+  }
+
+  /**
+   * Return the buffer that apply history-trigger DDL is written to.
+   */
+  public DdlBuffer applyHistoryTrigger() {
+    return applyHistoryTrigger;
   }
 
   /**

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdl.java

@@ -42,6 +42,12 @@ import java.util.Map;
  */
 public class BaseTableDdl implements TableDdl {
 
+  enum HistorySupport {
+    NONE,
+    SQL2011,
+    TRIGGER_BASED
+  }
+
   protected final DbConstraintNaming naming;
 
   protected final NamingConvention namingConvention;
@@ -78,22 +84,23 @@ public class BaseTableDdl implements TableDdl {
 
   private boolean strictMode;
 
-  private final boolean sql2011History;
+  private final HistorySupport historySupport;
 
   /**
    * Helper class that is used to execute the migration ddl before and after the migration action.
    */
   private class DdlMigrationHelp {
-    private List<String> before;
-    private List<String> after;
-    private String tableName;
-    private String columnName;
-    private String defaultValue;
+    private final List<String> before;
+    private final List<String> after;
+    private final String tableName;
+    private final String columnName;
+    private final String defaultValue;
+    private final boolean withHistory;
 
     /**
      * Constructor for DdlMigrationHelp when adding a NEW column.
      */
-    DdlMigrationHelp(String tableName, Column column) {
+    DdlMigrationHelp(String tableName, Column column, boolean withHistory) {
       this.tableName = tableName;
       this.columnName = column.getName();
       this.defaultValue = platformDdl.convertDefaultValue(column.getDefaultValue());
@@ -105,6 +112,7 @@ public class BaseTableDdl implements TableDdl {
 
       before = getScriptsForPlatform(column.getBefore(), platformDdl.getPlatform().getName());
       after = getScriptsForPlatform(column.getAfter(), platformDdl.getPlatform().getName());
+      this.withHistory = withHistory;
     }
 
     /**
@@ -119,6 +127,7 @@ public class BaseTableDdl implements TableDdl {
 
       boolean alterNotNull = Boolean.TRUE.equals(alter.isNotnull());
       // here we add the platform's default update script
+      withHistory = isTrue(alter.isWithHistory());
       if (alter.getBefore().isEmpty() && alterNotNull) {
         if (defaultValue == null) {
           handleStrictError(tableName, columnName);
@@ -134,6 +143,10 @@ public class BaseTableDdl implements TableDdl {
       if (!before.isEmpty()) {
         buffer.end();
       }
+
+      if (!before.isEmpty() && withHistory) {
+        buffer.append("-- NOTE: table has @History - special migration may be necessary").newLine();
+      }
       for (String ddlScript : before) {
         buffer.append(translate(ddlScript, tableName, columnName, this.defaultValue));
         buffer.endOfStatement();
@@ -141,6 +154,9 @@ public class BaseTableDdl implements TableDdl {
     }
 
     void writeAfter(DdlBuffer buffer) throws IOException {
+      if (!after.isEmpty() && withHistory) {
+        buffer.append("-- NOTE: table has @History - special migration may be necessary").newLine();
+      }
       // here we run post migration scripts
       for (String ddlScript : after) {
         buffer.append(translate(ddlScript, tableName, columnName, defaultValue));
@@ -198,7 +214,11 @@ public class BaseTableDdl implements TableDdl {
     this.platformDdl.configure(serverConfig);
     this.strictMode = serverConfig.getMigrationConfig().isStrictMode();
     DbHistorySupport hist = platformDdl.getPlatform().getHistorySupport();
-    this.sql2011History = hist != null && hist.isStandardsBased();
+    if (hist == null) {
+      this.historySupport = HistorySupport.NONE;
+    } else {
+      this.historySupport = hist.isStandardsBased() ? HistorySupport.SQL2011 : HistorySupport.TRIGGER_BASED;
+    }
   }
 
   /**
@@ -700,8 +720,14 @@ public class BaseTableDdl implements TableDdl {
    */
   @Override
   public void generateEpilog(DdlWrite write) throws IOException {
-    for (HistoryTableUpdate update : this.regenerateHistoryTriggers.values()) {
-      platformDdl.regenerateHistoryTriggers(write, update);
+    if (!regenerateHistoryTriggers.isEmpty()) {
+      platformDdl.lockTables(write.applyHistoryTrigger(), regenerateHistoryTriggers.keySet());
+
+      for (HistoryTableUpdate update : this.regenerateHistoryTriggers.values()) {
+        platformDdl.regenerateHistoryTriggers(write, update);
+      }
+
+      platformDdl.unlockTables(write.applyHistoryTrigger(), regenerateHistoryTriggers.keySet());
     }
     platformDdl.generateEpilog(write);
   }
@@ -722,15 +748,15 @@ public class BaseTableDdl implements TableDdl {
     String tableName = addColumn.getTableName();
     List<Column> columns = addColumn.getColumn();
     for (Column column : columns) {
-      alterTableAddColumn(writer.apply(), tableName, column, false);
+      alterTableAddColumn(writer.apply(), tableName, column, false, isTrue(addColumn.isWithHistory()));
     }
 
-    if (isTrue(addColumn.isWithHistory()) && !sql2011History) {
+    if (isTrue(addColumn.isWithHistory()) && historySupport == HistorySupport.TRIGGER_BASED) {
       // make same changes to the history table
       String historyTable = historyTable(tableName);
       for (Column column : columns) {
         regenerateHistoryTriggers(tableName, HistoryTableUpdate.Change.ADD, column.getName());
-        alterTableAddColumn(writer.apply(), historyTable, column, true);
+        alterTableAddColumn(writer.apply(), historyTable, column, true, true);
       }
     }
 
@@ -771,7 +797,8 @@ public class BaseTableDdl implements TableDdl {
     String tableName = dropColumn.getTableName();
 
     alterTableDropColumn(writer.apply(), tableName, dropColumn.getColumnName());
-    if (isTrue(dropColumn.isWithHistory()) && !sql2011History) {
+
+    if (isTrue(dropColumn.isWithHistory())  && historySupport == HistorySupport.TRIGGER_BASED) {
       // also drop from the history table
       regenerateHistoryTriggers(tableName, HistoryTableUpdate.Change.DROP, dropColumn.getColumnName());
       alterTableDropColumn(writer.apply(), historyTable(tableName), dropColumn.getColumnName());
@@ -872,8 +899,9 @@ public class BaseTableDdl implements TableDdl {
     if (hasValue(ddl)) {
       writer.apply().append(ddl).endOfStatement();
 
-      if (isTrue(alter.isWithHistory()) && alter.getType() != null && !sql2011History) {
+      if (isTrue(alter.isWithHistory()) && alter.getType() != null && historySupport == historySupport.TRIGGER_BASED) {
         // mysql and sql server column type change allowing nulls in the history table column
+        regenerateHistoryTriggers(alter.getTableName(), HistoryTableUpdate.Change.ALTER, alter.getColumnName());
         AlterColumn alterHistoryColumn = new AlterColumn();
         alterHistoryColumn.setTableName(historyTable(alter.getTableName()));
         alterHistoryColumn.setColumnName(alter.getColumnName());
@@ -923,7 +951,8 @@ public class BaseTableDdl implements TableDdl {
     String ddl = platformDdl.alterColumnType(alter.getTableName(), alter.getColumnName(), alter.getType());
     if (hasValue(ddl)) {
       writer.apply().append(ddl).endOfStatement();
-      if (isTrue(alter.isWithHistory()) && !sql2011History) {
+      if (isTrue(alter.isWithHistory()) && historySupport == HistorySupport.TRIGGER_BASED) {
+        regenerateHistoryTriggers(alter.getTableName(), HistoryTableUpdate.Change.ALTER, alter.getColumnName());
         // apply same type change to matching column in the history table
         ddl = platformDdl.alterColumnType(historyTable(alter.getTableName()), alter.getColumnName(), alter.getType());
         writer.apply().append(ddl).endOfStatement();
@@ -979,8 +1008,8 @@ public class BaseTableDdl implements TableDdl {
     platformDdl.alterTableDropColumn(buffer, tableName, columnName);
   }
 
-  protected void alterTableAddColumn(DdlBuffer buffer, String tableName, Column column, boolean onHistoryTable) throws IOException {
-    DdlMigrationHelp help = new DdlMigrationHelp(tableName, column);
+  protected void alterTableAddColumn(DdlBuffer buffer, String tableName, Column column, boolean onHistoryTable, boolean withHistory) throws IOException {
+    DdlMigrationHelp help = new DdlMigrationHelp(tableName, column, withHistory);
     if (!onHistoryTable) {
       help.writeBefore(buffer);
     }

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/DbTriggerBasedHistoryDdl.java

@@ -69,7 +69,7 @@ public abstract class DbTriggerBasedHistoryDdl implements PlatformHistoryDdl {
    */
   protected void updateTriggers(DdlWrite writer, MTable table, HistoryTableUpdate update) throws IOException {
 
-    writer.applyHistory().append("-- changes: ").append(update.description()).newLine();
+    writer.applyHistoryTrigger().append("-- changes: ").append(update.description()).newLine();
 
     updateHistoryTriggers(createDbTriggerUpdate(writer, table));
   }
@@ -154,7 +154,7 @@ public abstract class DbTriggerBasedHistoryDdl implements PlatformHistoryDdl {
 
     String baseTableName = table.getName();
 
-    DdlBuffer apply = writer.applyHistory();
+    DdlBuffer apply = writer.applyHistoryView();
 
     addSysPeriodColumns(apply, baseTableName, whenCreatedColumn);
     createHistoryTable(apply, table);
@@ -210,19 +210,19 @@ public abstract class DbTriggerBasedHistoryDdl implements PlatformHistoryDdl {
       .endOfStatement().end();
   }
 
-  /**
-   * Create or replace the with_history view with explicit columns.
-   */
-  protected void createWithHistoryView(DbTriggerUpdate update) throws IOException {
 
-    DdlBuffer apply = update.historyBuffer();
-    apply.append("create or replace view ").append(update.getBaseTable()).append(viewSuffix).append(" as select ");
-    appendColumnNames(apply, update.getColumns(), "");
-    appendSysPeriodColumns(apply, ", ");
-    apply.append(" from ").append(update.getBaseTable()).append(" union all select ");
-    appendColumnNames(apply, update.getColumns(), "");
-    appendSysPeriodColumns(apply, ", ");
-    apply.append(" from ").append(update.getHistoryTable()).endOfStatement().end();
+  /**
+   * For postgres/h2/mysql we need to drop and recreate the view. Well, we could add columns to the end of the view
+   * but otherwise we need to drop and create it.
+   */
+  protected void recreateHistoryView(DbTriggerUpdate update) throws IOException {
+
+    DdlBuffer buffer = update.dropDependencyBuffer();
+    // we need to drop the view early/first before any changes to the tables etc
+    buffer.append("drop view if exists ").append(update.getBaseTable()).append(viewSuffix).endOfStatement();
+
+    // recreate the view after all ddl modifications - the view requires ALL columns, also the historyExclude ones.
+    createWithHistoryView(update.historyViewBuffer(), update.getBaseTable());
   }
 
   protected void appendSysPeriodColumns(DdlBuffer apply, String prefix) throws IOException {

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/DbTriggerUpdate.java

@@ -28,10 +28,18 @@ public class DbTriggerUpdate {
   /**
    * Return the appropriate buffer for the current mode.
    */
-  public DdlBuffer historyBuffer() {
-    return writer.applyHistory();
+  public DdlBuffer historyViewBuffer() {
+    return writer.applyHistoryView();
   }
 
+  /**
+   * Return the appropriate buffer for the current mode.
+   */
+  public DdlBuffer historyTriggerBuffer() {
+    return writer.applyHistoryTrigger();
+  }
+
+
   /**
    * Return the appropriate drop dependency buffer for the current mode.
    */

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/H2HistoryDdl.java

@@ -27,7 +27,7 @@ public class H2HistoryDdl extends DbTriggerBasedHistoryDdl {
   protected void createTriggers(DdlWrite writer, MTable table) throws IOException {
 
     String baseTableName = table.getName();
-    DdlBuffer apply = writer.applyHistory();
+    DdlBuffer apply = writer.applyHistoryTrigger();
 
     addCreateTrigger(apply, updateTriggerName(baseTableName), baseTableName);
   }
@@ -35,7 +35,9 @@ public class H2HistoryDdl extends DbTriggerBasedHistoryDdl {
   @Override
   protected void updateHistoryTriggers(DbTriggerUpdate update) throws IOException {
 
-    DdlBuffer buffer = update.historyBuffer();
+    recreateHistoryView(update);
+
+    DdlBuffer buffer = update.historyTriggerBuffer();
     dropTriggers(buffer, update.getBaseTable());
     addCreateTrigger(buffer, updateTriggerName(update.getBaseTable()), update.getBaseTable());
   }

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/HistoryTableUpdate.java

@@ -17,7 +17,8 @@ public class HistoryTableUpdate {
     ADD,
     DROP,
     INCLUDE,
-    EXCLUDE
+    EXCLUDE,
+    ALTER
   }
 
   private static class Column {

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/MySqlDdl.java

@@ -7,6 +7,7 @@ import io.ebeaninternal.dbmigration.migration.AlterColumn;
 import io.ebeaninternal.dbmigration.migration.Column;
 
 import java.io.IOException;
+import java.util.Collection;
 
 /**
  * MySql specific DDL.
@@ -113,10 +114,39 @@ public class MySqlDdl extends PlatformDdl {
     }
     apply.append(String.format("alter table %s comment = '%s'", tableName, tableComment)).endOfStatement();
   }
-  
+
   @Override
   public void addColumnComment(DdlBuffer apply, String table, String column, String comment) throws IOException {
     // alter comment currently not supported as it requires to repeat whole column definition
   }
-  
+
+
+  /**
+   * Locks all tables for triggers that have to be updated.
+   */
+  @Override
+  public void lockTables(DdlBuffer buffer, Collection<String> tables) throws IOException {
+    if (!tables.isEmpty()) {
+      buffer.append("lock tables ");
+      int i = 0;
+      for (String table : tables) {
+        if (i > 0) {
+          buffer.append(", ");
+        }
+        buffer.append(table).append(" write");
+        i++;
+      }
+      buffer.endOfStatement();
+
+    }
+  }
+
+  /**
+   * Unlocks all tables for triggers that have to be updated.
+   */
+  @Override
+  public void unlockTables(DdlBuffer buffer, Collection<String> tables) throws IOException {
+    buffer.append("unlock tables").endOfStatement();
+  }
+
 }

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/MySqlHistoryDdl.java

@@ -34,19 +34,19 @@ public class MySqlHistoryDdl extends DbTriggerBasedHistoryDdl {
   @Override
   protected void updateHistoryTriggers(DbTriggerUpdate update) throws IOException {
 
-    DdlBuffer buffer = update.historyBuffer();
+    recreateHistoryView(update);
+
+    DdlBuffer buffer = update.historyTriggerBuffer();
     String baseTable = update.getBaseTable();
 
-    buffer.append("lock tables ").append(baseTable).append(" write").endOfStatement();
     dropTriggers(buffer, baseTable);
     addBeforeUpdate(updateTriggerName(baseTable), update);
     addBeforeDelete(deleteTriggerName(baseTable), update);
-    buffer.append("unlock tables").endOfStatement();
   }
 
   private void addBeforeUpdate(String triggerName, DbTriggerUpdate update) throws IOException {
 
-    DdlBuffer apply = update.historyBuffer();
+    DdlBuffer apply = update.historyTriggerBuffer();
     apply
       .append("delimiter $$").newLine()
       .append("create trigger ").append(triggerName).append(" before update on ").append(update.getBaseTable())
@@ -59,7 +59,7 @@ public class MySqlHistoryDdl extends DbTriggerBasedHistoryDdl {
 
   private void addBeforeDelete(String triggerName, DbTriggerUpdate update) throws IOException {
 
-    DdlBuffer apply = update.historyBuffer();
+    DdlBuffer apply = update.historyTriggerBuffer();
     apply
       .append("delimiter $$").newLine()
       .append("create trigger ").append(triggerName).append(" before delete on ").append(update.getBaseTable())

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/PlatformDdl.java

@@ -20,10 +20,12 @@ import io.ebeaninternal.dbmigration.migration.Column;
 import io.ebeaninternal.dbmigration.migration.DropHistoryTable;
 import io.ebeaninternal.dbmigration.migration.IdentityType;
 import io.ebeaninternal.dbmigration.model.MTable;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.IOException;
+import java.util.Collection;
 import java.util.List;
 
 /**
@@ -442,13 +444,16 @@ public class PlatformDdl {
       .append(" ").append(addColumn).append(" ").append(column.getName())
       .append(" ").append(convertedType);
 
-    if (!onHistoryTable) {
 
-      if (defaultValue != null) {
+    // Add default value also to history table if it is not excluded
+    if (defaultValue != null) {
+      if (!onHistoryTable || !isTrue(column.isHistoryExclude())) {
         buffer.append(" default ");
         buffer.append(defaultValue);
       }
+    }
 
+    if (!onHistoryTable) {
       if (isTrue(column.isNotnull())) {
         buffer.append(" not null");
       }
@@ -456,7 +461,8 @@ public class PlatformDdl {
 
       // check constraints cannot be added in one statement for h2
       if (!StringHelper.isNull(column.getCheckConstraint())) {
-        String ddl = alterTableAddCheckConstraint(tableName, column.getCheckConstraintName(), column.getCheckConstraint());
+        String ddl = alterTableAddCheckConstraint(tableName, column.getCheckConstraintName(),
+            column.getCheckConstraint());
         buffer.append(ddl).endOfStatement();
       }
     } else {
@@ -641,4 +647,18 @@ public class PlatformDdl {
     }
     return name;
   }
+
+  /**
+   * Mysql-specific: Locks all tables for triggers that have to be updated.
+   */
+  public void lockTables(DdlBuffer buffer, Collection<String> tables) throws IOException {
+
+  }
+
+  /**
+   * Mysql-specific: Unlocks all tables for triggers that have to be updated.
+   */
+  public void unlockTables(DdlBuffer buffer, Collection<String> tables) throws IOException {
+
+  }
 }

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/PostgresHistoryDdl.java

@@ -62,7 +62,7 @@ public class PostgresHistoryDdl extends DbTriggerBasedHistoryDdl {
     String procedureName = procedureName(baseTableName);
     String triggerName = triggerName(baseTableName);
 
-    DdlBuffer apply = writer.applyHistory();
+    DdlBuffer apply = writer.applyHistoryTrigger();
     apply
       .append("create trigger ").append(triggerName).newLine()
       .append("  before update or delete on ").append(baseTableName).newLine()
@@ -107,7 +107,7 @@ public class PostgresHistoryDdl extends DbTriggerBasedHistoryDdl {
     String historyTable = historyTableName(table.getName());
 
     List<String> columnNames = columnNamesForApply(table);
-    createOrReplaceFunction(writer.applyHistory(), procedureName, historyTable, columnNames);
+    createOrReplaceFunction(writer.applyHistoryTrigger(), procedureName, historyTable, columnNames);
   }
 
   @Override
@@ -116,21 +116,7 @@ public class PostgresHistoryDdl extends DbTriggerBasedHistoryDdl {
     String procedureName = procedureName(update.getBaseTable());
 
     recreateHistoryView(update);
-    createOrReplaceFunction(update.historyBuffer(), procedureName, update.getHistoryTable(), update.getColumns());
-  }
-
-  /**
-   * For postgres we need to drop and recreate the view. Well, we could add columns to the end of the view
-   * but otherwise we need to drop and create it.
-   */
-  private void recreateHistoryView(DbTriggerUpdate update) throws IOException {
-
-    DdlBuffer buffer = update.dropDependencyBuffer();
-    // we need to drop the view early/first before any changes to the tables etc
-    buffer.append("drop view if exists ").append(update.getBaseTable()).append(viewSuffix).endOfStatement();
-
-    // recreate the view with specific columns specified (the columns generally are not dropped until later)
-    createWithHistoryView(update);
+    createOrReplaceFunction(update.historyTriggerBuffer(), procedureName, update.getHistoryTable(), update.getColumns());
   }
 
   @Override

src/main/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/SqlServerHistoryDdl.java

@@ -31,19 +31,24 @@ public class SqlServerHistoryDdl implements PlatformHistoryDdl {
     enableSystemVersioning(writer, baseTable);
   }
 
-  private void enableSystemVersioning(DdlWrite writer, String baseTable) throws IOException {
-    DdlBuffer apply = writer.applyHistory();
-    apply.append("alter table ").append(baseTable).newLine()
-      .append("    add ").append(systemPeriodStart).append(" datetime2 GENERATED ALWAYS AS ROW START NOT NULL DEFAULT SYSUTCDATETIME(),").newLine()
-      .append("        ").append(systemPeriodEnd).append("   datetime2 GENERATED ALWAYS AS ROW END   NOT NULL DEFAULT '9999-12-31T23:59:59.9999999',").newLine()
-      .append("period for system_time (").append(systemPeriodStart).append(", ").append(systemPeriodEnd).append(")").endOfStatement();
-
+  private String getHistoryTable(String baseTable) {
     String historyTable = baseTable + "_history"; // history must contain schema, otherwise you'll get
     // Setting SYSTEM_VERSIONING to ON failed because history table 'xxx_history' is not specified in two-part name format.
     if (historyTable.indexOf('.') == -1) {
       historyTable = "dbo." +historyTable; // so add the default schema, if none was specified.
     }
-    apply.append("alter table ").append(baseTable).append(" set (system_versioning = on (history_table=").append(historyTable).append("))").endOfStatement();
+    return historyTable;
+  }
+
+  private void enableSystemVersioning(DdlWrite writer, String baseTable) throws IOException {
+    DdlBuffer apply = writer.applyHistoryView();
+    apply.append("alter table ").append(baseTable).newLine()
+      .append("    add ").append(systemPeriodStart).append(" datetime2 GENERATED ALWAYS AS ROW START NOT NULL DEFAULT SYSUTCDATETIME(),").newLine()
+      .append("        ").append(systemPeriodEnd).append("   datetime2 GENERATED ALWAYS AS ROW END   NOT NULL DEFAULT '9999-12-31T23:59:59.9999999',").newLine()
+      .append("period for system_time (").append(systemPeriodStart).append(", ").append(systemPeriodEnd).append(")").endOfStatement();
+
+    apply.append("alter table ").append(baseTable).append(" set (system_versioning = on (history_table=")
+      .append(getHistoryTable(baseTable)).append("))").endOfStatement();
 
     DdlBuffer drop = writer.dropAll();
     drop.append("IF OBJECT_ID('").append(baseTable).append("', 'U') IS NOT NULL alter table ").append(baseTable).append(" set (system_versioning = off)").endOfStatement();
@@ -53,7 +58,7 @@ public class SqlServerHistoryDdl implements PlatformHistoryDdl {
   @Override
   public void dropHistoryTable(DdlWrite writer, DropHistoryTable dropHistoryTable) throws IOException {
     String baseTable = dropHistoryTable.getBaseTable();
-    DdlBuffer apply = writer.applyHistory();
+    DdlBuffer apply = writer.applyHistoryView();
     apply.append("-- dropping history support for ").append(baseTable).endOfStatement();
     // drop default constraints
 
@@ -76,7 +81,15 @@ public class SqlServerHistoryDdl implements PlatformHistoryDdl {
   }
 
   @Override
-  public void updateTriggers(DdlWrite write, HistoryTableUpdate baseTable) throws IOException {
+  public void updateTriggers(DdlWrite writer, HistoryTableUpdate baseTable) throws IOException {
     // SQL Server 2016 does not need triggers
+    DdlBuffer apply = writer.applyHistoryView();
+    String baseTableName = baseTable.getBaseTable();
+    apply.append("-- alter table ").append(baseTableName).append(" set (system_versioning = off (history_table=")
+    .append(getHistoryTable(baseTableName)).append("))").endOfStatement();
+    apply.append("-- history migration goes here").newLine();
+    apply.append("-- alter table ").append(baseTableName).append(" set (system_versioning = on (history_table=")
+    .append(getHistoryTable(baseTableName)).append("))").endOfStatement();
+
   }
 }

src/main/java/io/ebeaninternal/dbmigration/migrationreader/MigrationXmlWriter.java

@@ -29,7 +29,6 @@ public class MigrationXmlWriter {
     try (FileWriter writer = new FileWriter(file)) {
 
       writer.write("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n");
-      writer.write("<!DOCTYPE xml>\n");
       if (comment != null) {
         writer.write("<!-- ");
         writer.write(comment);

src/main/java/io/ebeaninternal/dbmigration/model/CurrentModel.java

@@ -113,7 +113,8 @@ public class CurrentModel {
     }
     ddl.append(write.apply().getBuffer());
     ddl.append(write.applyForeignKeys().getBuffer());
-    ddl.append(write.applyHistory().getBuffer());
+    ddl.append(write.applyHistoryView().getBuffer());
+    ddl.append(write.applyHistoryTrigger().getBuffer());
 
     return ddl.toString();
   }

src/main/java/io/ebeaninternal/dbmigration/model/MColumn.java

@@ -527,5 +527,8 @@ public class MColumn {
     if (hasValue(alterColumn.getForeignKeyOnUpdate())) {
       fkeyOnUpdate = fkeyMode(alterColumn.getForeignKeyOnUpdate());
     }
+    if (hasValue(alterColumn.isHistoryExclude())) {
+      historyExclude = alterColumn.isHistoryExclude();
+    }
   }
 }

src/main/java/io/ebeaninternal/dbmigration/model/MTable.java

@@ -621,7 +621,7 @@ public class MTable {
     DropColumn dropColumn = new DropColumn();
     dropColumn.setTableName(name);
     dropColumn.setColumnName(existingColumn.getName());
-    if (withHistory && !existingColumn.isHistoryExclude()) {
+    if (withHistory) {
       // These dropColumns should occur on the history
       // table as well as the base table
       dropColumn.setWithHistory(Boolean.TRUE);

src/main/java/io/ebeaninternal/dbmigration/model/PlatformDdlWriter.java

@@ -97,7 +97,8 @@ public class PlatformDdlWriter {
     writer.append("-- apply changes\n");
     writer.append(write.apply().getBuffer());
     writer.append(write.applyForeignKeys().getBuffer());
-    writer.append(write.applyHistory().getBuffer());
+    writer.append(write.applyHistoryView().getBuffer());
+    writer.append(write.applyHistoryTrigger().getBuffer());
   }
 
   private void prependDropDependencies(Writer writer, DdlBuffer buffer) throws IOException {

src/main/java/io/ebeaninternal/server/core/InternalConfigXmlRead.java

@@ -34,8 +34,9 @@ class InternalConfigXmlRead {
   InternalConfigXmlRead(ServerConfig serverConfig) {
     this.serverConfig = serverConfig;
     this.classLoader = serverConfig.getClassLoadConfig().getClassLoader();
-
-    init();
+    if (serverConfig.getClassLoadConfig().isJavaxJAXBPresent()) {
+      init();
+    }
   }
 
   private void init() {
@@ -73,10 +74,12 @@ class InternalConfigXmlRead {
    * Return the named queries for Dto beans.
    */
   Map<Class<?>, DtoNamedQueries> readDtoMapping() {
-    for (XmEbean mapping : xmlEbeanList) {
-      List<XmDto> dtoList = mapping.getDto();
-      for (XmDto dto : dtoList) {
-        readDtoMapping(dto);
+    if (xmlEbeanList != null) {
+      for (XmEbean mapping : xmlEbeanList) {
+        List<XmDto> dtoList = mapping.getDto();
+        for (XmDto dto : dtoList) {
+          readDtoMapping(dto);
+        }
       }
     }
 

src/main/java/io/ebeaninternal/server/core/ServletContextListener.java

@@ -5,12 +5,15 @@ import io.ebeaninternal.server.lib.ShutdownManager;
 import javax.servlet.ServletContextEvent;
 
 /**
+ * Deprecated - migrate to io.ebean.event.ServletContextListener.
+ * <p>
  * Listens for webserver server starting and stopping events.
  * <p>
  * Register this listener in the web.xml configuration file. This will listen
  * for startup and shutdown events.
  * </p>
  */
+@Deprecated
 public class ServletContextListener implements javax.servlet.ServletContextListener {
 
   /**

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptor.java

@@ -71,6 +71,7 @@ import io.ebeaninternal.server.query.STreePropertyAssocMany;
 import io.ebeaninternal.server.query.STreePropertyAssocOne;
 import io.ebeaninternal.server.query.STreeType;
 import io.ebeaninternal.server.query.SqlBeanLoad;
+import io.ebeaninternal.server.querydefn.DefaultOrmQuery;
 import io.ebeaninternal.server.querydefn.OrmQueryDetail;
 import io.ebeaninternal.server.rawsql.SpiRawSql;
 import io.ebeaninternal.server.type.DataBind;
@@ -1878,6 +1879,9 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType {
    * on first access (lazy load) or immediately (eager load)
    */
   public EntityBean createEntityBean(boolean isNew) {
+    if (prototypeEntityBean == null) {
+      throw new UnsupportedOperationException("cannot create entity bean for abstract entity " + getName());
+    }
     try {
       EntityBean bean = (EntityBean) prototypeEntityBean._ebean_newInstance();
 
@@ -1969,6 +1973,13 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType {
   public T createReference(Object id, PersistenceContext pc) {
 
     try {
+      if (inheritInfo != null && !inheritInfo.isConcrete()) {
+        // we actually need to do a query because we don't know the type without the discriminator
+        // value, just select the id property and discriminator column (auto added)
+        DefaultOrmQuery<T> query = new DefaultOrmQuery<>(this, ebeanServer, ebeanServer.getExpressionFactory());
+        return query.select(getIdProperty().getName()).setId(id).findOne();
+      }
+
       EntityBean eb = createEntityBean();
       id = convertSetId(id, eb);
       EntityBeanIntercept ebi = eb._ebean_getIntercept();

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorCacheHelp.java

@@ -447,7 +447,21 @@ final class BeanDescriptorCacheHelp<T> {
   void beanPutAll(Collection<EntityBean> beans) {
     if (desc.inheritInfo != null) {
       Class<?> aClass = theClassOf(beans);
-      desc.descOf(aClass).cacheBeanPutAllDirect(beans);
+      // check if all beans have the same class
+      for (EntityBean bean : beans) {
+        if (!bean.getClass().equals(aClass)) {
+          aClass = null;
+          break;
+        }
+      }
+      if (aClass == null) {
+        // there are different bean types in the collection, so we add one by one to the cache
+        for (EntityBean bean : beans) {
+          desc.descOf(bean.getClass()).cacheBeanPutDirect(bean);
+        }
+      } else {
+        desc.descOf(aClass).cacheBeanPutAllDirect(beans);
+      }
     } else {
       beanCachePutAllDirect(beans);
     }

src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorManager.java

@@ -394,12 +394,13 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
   }
 
   private void readXmlMapping(List<XmEbean> mappings) {
-    ClassLoader classLoader = serverConfig.getClassLoadConfig().getClassLoader();
-
-    for (XmEbean mapping : mappings) {
-      List<XmEntity> entityDeploy = mapping.getEntity();
-      for (XmEntity deploy : entityDeploy) {
-        readEntityMapping(classLoader, deploy);
+    if (mappings != null) {
+      ClassLoader classLoader = serverConfig.getClassLoadConfig().getClassLoader();
+      for (XmEbean mapping : mappings) {
+        List<XmEntity> entityDeploy = mapping.getEntity();
+        for (XmEntity deploy : entityDeploy) {
+          readEntityMapping(classLoader, deploy);
+        }
       }
     }
   }
@@ -1368,9 +1369,15 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
         desc.setIdType(IdType.EXTERNAL);
         return;
       }
-      // use the default. IDENTITY or SEQUENCE.
-      desc.setIdType(dbIdentity.getIdType());
-      desc.setIdTypePlatformDefault();
+      if (desc.isIdGeneratorAuto() || serverConfig.isIdGeneratorAutomatic()) {
+        // use IDENTITY or SEQUENCE based on platform
+        desc.setIdType(dbIdentity.getIdType());
+        desc.setIdTypePlatformDefault();
+      } else {
+        // externally/application supplied Id values
+        desc.setIdType(IdType.EXTERNAL);
+        return;
+      }
     }
 
     if (desc.getBaseTable() == null) {
@@ -1386,21 +1393,23 @@ public class BeanDescriptorManager implements BeanDescriptorMap {
       return;
     }
 
-    String seqName = desc.getIdGeneratorName();
-    if (seqName != null) {
-      logger.debug("explicit sequence {} on {}", seqName, desc.getFullName());
-    } else {
-      String primaryKeyColumn = desc.getSinglePrimaryKeyColumn();
-      // use namingConvention to define sequence name
-      seqName = namingConvention.getSequenceName(desc.getBaseTable(), primaryKeyColumn);
-    }
+    if (IdType.SEQUENCE == desc.getIdType()) {
+      String seqName = desc.getIdGeneratorName();
+      if (seqName != null) {
+        logger.debug("explicit sequence {} on {}", seqName, desc.getFullName());
+      } else {
+        String primaryKeyColumn = desc.getSinglePrimaryKeyColumn();
+        // use namingConvention to define sequence name
+        seqName = namingConvention.getSequenceName(desc.getBaseTable(), primaryKeyColumn);
+      }
 
-    if (databasePlatform.isSequenceBatchMode()) {
-      // use sequence next step 1 as we are going to batch fetch them instead
-      desc.setSequenceAllocationSize(1);
+      if (databasePlatform.isSequenceBatchMode()) {
+        // use sequence next step 1 as we are going to batch fetch them instead
+        desc.setSequenceAllocationSize(1);
+      }
+      int stepSize = desc.getSequenceAllocationSize();
+      desc.setIdGenerator(createSequenceIdGenerator(seqName, stepSize));
     }
-    int stepSize = desc.getSequenceAllocationSize();
-    desc.setIdGenerator(createSequenceIdGenerator(seqName, stepSize));
   }
 
   private PlatformIdGenerator createSequenceIdGenerator(String seqName, int stepSize) {

src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssocMany.java

@@ -157,7 +157,7 @@ public class BeanPropertyAssocMany<T> extends BeanPropertyAssoc<T> implements ST
     if (elementCollection) {
       targetDescriptor = elementDescriptor;
     } else {
-      targetDescriptor = descriptor.getBeanDescriptor(targetType);
+      super.initialiseTargetDescriptor(initContext);
     }
   }
 

src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssocManyJsonHelp.java

@@ -46,15 +46,16 @@ class BeanPropertyAssocManyJsonHelp {
     if (JsonToken.VALUE_NULL == event) {
       return;
     }
-    if (JsonToken.START_ARRAY != event) {
-      throw new JsonParseException(parser, "Unexpected token " + event + " - expecting start_array ");
-    }
 
     if (many.isTransient()) {
       jsonReadTransientUsingObjectMapper(readJson, parentBean);
       return;
     }
 
+    if (JsonToken.START_ARRAY != event) {
+      throw new JsonParseException(parser, "Unexpected token " + event + " - expecting start_array");
+    }
+
     many.setValue(parentBean, many.jsonReadCollection(readJson, parentBean));
   }
 

src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssocOne.java

@@ -310,6 +310,10 @@ public class BeanPropertyAssocOne<T> extends BeanPropertyAssoc<T> implements STr
         String discProperty = prefix + "." + discriminatorColumn;
         selectChain.add(discProperty);
       }
+      if (targetIdBinder == null) {
+        throw new IllegalStateException("No Id binding property for " + getFullBeanName()
+          + ". Probably a missing @OneToOne mapping annotation on this relationship?");
+      }
       targetIdBinder.buildRawSqlSelectChain(prefix, selectChain);
 
     } else {

src/main/java/io/ebeaninternal/server/deploy/meta/DeployBeanDescriptor.java

@@ -106,6 +106,11 @@ public class DeployBeanDescriptor<T> {
 
   private PlatformIdGenerator idGenerator;
 
+  /**
+   * Set true when explicit auto generated Id.
+   */
+  private boolean idGeneratorAuto;
+
   /**
    * The database sequence name (optional).
    */
@@ -848,6 +853,20 @@ public class DeployBeanDescriptor<T> {
     }
   }
 
+  /**
+   * Return true for automatic Id generation strategy.
+   */
+  public boolean isIdGeneratorAuto() {
+    return idGeneratorAuto;
+  }
+
+  /**
+   * Set when GeneratedValue explicitly mapped on Id property.
+   */
+  public void setGeneratedAuto() {
+    this.idGeneratorAuto = true;
+  }
+
   /**
    * Assign the standard UUID generator.
    */

src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationAssocOnes.java

@@ -184,7 +184,7 @@ public class AnnotationAssocOnes extends AnnotationParser {
   }
 
   private String errorMsgMissingBeanTable(Class<?> type, String from) {
-    return "Error with association to [" + type + "] from [" + from + "]. Is " + type + " registered?";
+    return "Error with association to [" + type + "] from [" + from + "]. Is " + type + " registered? Does it have the @Entity annotation?";
   }
 
   private BeanTable beanTable(DeployBeanPropertyAssoc<?> prop) {

src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationFields.java

@@ -547,6 +547,8 @@ public class AnnotationFields extends AnnotationParser {
         descriptor.setCustomIdGenerator(idGenerator);
       } else if (prop.getPropertyType().equals(UUID.class)) {
         descriptor.setUuidGenerator();
+      } else {
+        descriptor.setGeneratedAuto();
       }
     }
   }

src/main/java/io/ebeaninternal/server/deploy/parse/DeployInherit.java

@@ -123,13 +123,14 @@ public class DeployInherit {
       info.setColumnDefn(da.columnDefinition());
     }
 
-    DiscriminatorValue dv = AnnotationUtil.findAnnotation(cls, DiscriminatorValue.class); // do not search recursive
-    if (dv != null) {
-      info.setDiscriminatorValue(dv.value());
-    } else {
-      info.setDiscriminatorValue(cls.getSimpleName());
+    if (!info.isAbstract()) {
+      DiscriminatorValue dv = AnnotationUtil.findAnnotation(cls, DiscriminatorValue.class); // do not search recursive
+      if (dv != null) {
+        info.setDiscriminatorValue(dv.value());
+      } else {
+        info.setDiscriminatorValue(cls.getSimpleName());
+      }
     }
-
     return info;
   }
 

src/main/java/io/ebeaninternal/server/rawsql/DRawSqlParser.java

@@ -1,7 +1,7 @@
 package io.ebeaninternal.server.rawsql;
 
-import io.ebeaninternal.server.rawsql.SpiRawSql.Sql;
 import io.ebeaninternal.server.querydefn.SimpleTextParser;
+import io.ebeaninternal.server.rawsql.SpiRawSql.Sql;
 
 /**
  * Parses sql-select queries to try and determine the location where WHERE and
@@ -55,11 +55,7 @@ class DRawSqlParser {
 
   private Sql parse() {
 
-    if (!hasPlaceHolders()) {
-      // parse the sql for the keywords...
-      // select, from, where, having, group by, order by
-      parseSqlFindKeywords(true);
-    }
+    parseSqlFindKeywords(true);
 
     whereExprPos = findWhereExprPosition();
     havingExprPos = findHavingExprPosition();

src/main/java/io/ebeaninternal/server/type/DefaultTypeManager.java

@@ -58,9 +58,9 @@ import java.util.Arrays;
 import java.util.Calendar;
 import java.util.Currency;
 import java.util.EnumSet;
-import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Locale;
 import java.util.Map;
@@ -143,6 +143,8 @@ public final class DefaultTypeManager implements TypeManager {
 
   private final boolean java7Present;
 
+  private final boolean objectMapperPresent;
+
   private final boolean postgres;
 
   private final boolean offlineMigrationGeneration;
@@ -184,7 +186,7 @@ public final class DefaultTypeManager implements TypeManager {
     this.nativeMap = new ConcurrentHashMap<>();
     this.logicalMap = new ConcurrentHashMap<>();
 
-    boolean objectMapperPresent = config.getClassLoadConfig().isJacksonObjectMapperPresent();
+    this.objectMapperPresent = config.getClassLoadConfig().isJacksonObjectMapperPresent();
     this.objectMapper = (objectMapperPresent) ? initObjectMapper(config) : null;
 
     this.extraTypeFactory = new DefaultTypeFactory(config);
@@ -405,20 +407,22 @@ public final class DefaultTypeManager implements TypeManager {
       }
     }
 
-    if (type.equals(JsonNode.class)) {
-      switch (dbType) {
-        case Types.VARCHAR:
-          return jsonNodeVarchar;
-        case Types.BLOB:
-          return jsonNodeBlob;
-        case Types.CLOB:
-          return jsonNodeClob;
-        case DbPlatformType.JSONB:
-          return jsonNodeJsonb;
-        case DbPlatformType.JSON:
-          return jsonNodeJson;
-        default:
-          return jsonNodeJson;
+    if (objectMapperPresent) {
+      if (type.equals(JsonNode.class)) {
+        switch (dbType) {
+          case Types.VARCHAR:
+            return jsonNodeVarchar;
+          case Types.BLOB:
+            return jsonNodeBlob;
+          case Types.CLOB:
+            return jsonNodeClob;
+          case DbPlatformType.JSONB:
+            return jsonNodeJsonb;
+          case DbPlatformType.JSON:
+            return jsonNodeJson;
+          default:
+            return jsonNodeJson;
+        }
       }
     }
 
@@ -564,7 +568,7 @@ public final class DefaultTypeManager implements TypeManager {
 
     boolean integerType = true;
 
-    Map<String, String> nameValueMap = new HashMap<>();
+    Map<String, String> nameValueMap = new LinkedHashMap<>();
 
     Field[] fields = enumType.getDeclaredFields();
     for (Field field : fields) {
@@ -657,7 +661,7 @@ public final class DefaultTypeManager implements TypeManager {
    */
   private ScalarTypeEnum<?> createEnumScalarTypeDbValue(Class<? extends Enum<?>> enumType, Method method, boolean integerType) {
 
-    Map<String, String> nameValueMap = new HashMap<>();
+    Map<String, String> nameValueMap = new LinkedHashMap<>();
 
     Enum<?>[] enumConstants = enumType.getEnumConstants();
     for (Enum<?> enumConstant : enumConstants) {

src/main/resources/migration-support/default-create-table.sql

@@ -1,13 +0,0 @@
-create table ${table} (
-  id                           integer not null,
-  mtype                        varchar(1) not null,
-  mstatus                      varchar(10) not null,
-  mversion                     varchar(150) not null,
-  mcomment                     varchar(150) not null,
-  mchecksum                    integer not null,
-  run_on                       timestamp not null,
-  run_by                       varchar(30) not null,
-  run_time                     integer not null,
-  constraint pk_${table} primary key (id)
-);
-

src/test/java/io/ebean/config/ServerConfigTest.java

@@ -66,6 +66,7 @@ public class ServerConfigTest {
     props.setProperty("idType", "SEQUENCE");
     props.setProperty("mappingLocations", "classpath:/foo;bar");
     props.setProperty("namingConvention", "io.ebean.config.MatchingNamingConvention");
+    props.setProperty("idGeneratorAutomatic", "true");
 
 
     serverConfig.loadFromProperties(props);
@@ -74,6 +75,8 @@ public class ServerConfigTest {
     assertTrue(serverConfig.isNotifyL2CacheInForeground());
     assertTrue(serverConfig.isDbOffline());
     assertTrue(serverConfig.isAutoReadOnlyDataSource());
+    assertTrue(serverConfig.isIdGeneratorAutomatic());
+
     assertThat(serverConfig.getNamingConvention()).isInstanceOf(MatchingNamingConvention.class);
 
     assertEquals(IdType.SEQUENCE, serverConfig.getIdType());
@@ -108,4 +111,14 @@ public class ServerConfigTest {
     assertEquals(PersistBatch.ALL, serverConfig.getPersistBatch());
     assertEquals(PersistBatch.ALL, serverConfig.getPersistBatchOnCascade());
   }
+
+  @Test
+  public void test_defaults() {
+
+    ServerConfig serverConfig = new ServerConfig();
+    assertTrue(serverConfig.isIdGeneratorAutomatic());
+
+    serverConfig.setIdGeneratorAutomatic(false);
+    assertFalse(serverConfig.isIdGeneratorAutomatic());
+  }
 }

src/test/java/io/ebeaninternal/dbmigration/DbMigrationTest.java

@@ -63,6 +63,10 @@ public class DbMigrationTest extends BaseTestCase {
         "migtest_e_basic",
         "migtest_e_history",
         "migtest_e_history2",
+        "migtest_e_history3",
+        "migtest_e_history4",
+        "migtest_e_history5",
+        "migtest_e_history6",
         "migtest_e_ref",
         "migtest_e_softdelete",
         "migtest_e_user",
@@ -98,6 +102,9 @@ public class DbMigrationTest extends BaseTestCase {
       assertThat(server().execute(update)).isEqualTo(2);
     }
 
+
+    createHistoryEntities();
+
     // Run migration
     runScript(false, "1.1.sql");
     SqlQuery select = server().createSqlQuery("select * from migtest_e_basic order by id");
@@ -154,6 +161,41 @@ public class DbMigrationTest extends BaseTestCase {
     assertThat(row.keySet()).contains("old_boolean", "old_boolean2");
   }
 
+  /**
+   *
+   */
+  private void createHistoryEntities() {
+    SqlUpdate update = server().createSqlUpdate("insert into migtest_e_history (id, test_string) values (1, '42')");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history set test_string = '45' where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+
+    update = server().createSqlUpdate("insert into migtest_e_history2 (id, test_string, obsolete_string1, obsolete_string2) values (1, 'foo', 'bar', null)");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history2 set test_string = 'baz' where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+
+    update = server().createSqlUpdate("insert into migtest_e_history3 (id, test_string) values (1, '42')");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history3 set test_string = '45' where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+
+    update = server().createSqlUpdate("insert into migtest_e_history4 (id, test_number) values (1, 42)");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history4 set test_number = 45 where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+
+    update = server().createSqlUpdate("insert into migtest_e_history5 (id, test_number) values (1, 42)");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history5 set test_number = 45 where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+
+    update = server().createSqlUpdate("insert into migtest_e_history6 (id, test_number2) values (1, 7)");
+    assertThat(server().execute(update)).isEqualTo(1);
+    update = server().createSqlUpdate("update migtest_e_history6 set test_number2 = 45 where id = 1");
+    assertThat(server().execute(update)).isEqualTo(1);
+  }
+
   private void cleanup(String ... tables) {
     StringBuilder sb = new StringBuilder();
     for (String table : tables) {

src/test/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/BaseTableDdlTest.java

@@ -56,7 +56,7 @@ public class BaseTableDdlTest {
     column.setName("col_name");
     column.setType("varchar(20)");
 
-    ddlGen.alterTableAddColumn(write.apply(), "mytable", column, false);
+    ddlGen.alterTableAddColumn(write.apply(), "mytable", column, false, false);
 
     String ddl = write.apply().getBuffer();
     assertThat(ddl).contains("alter table mytable add column col_name varchar2(20)");

src/test/java/io/ebeaninternal/dbmigration/ddlgeneration/platform/H2HistoryDdlTest.java

@@ -34,8 +34,15 @@ public class H2HistoryDdlTest {
     h2Ddl.configure(ebeanServer.getServerConfig());
     h2Ddl.regenerateHistoryTriggers(write, update);
 
-    assertThat(write.applyHistory().isEmpty()).isFalse();
-    assertThat(write.applyHistory().getBuffer()).contains("add one");
+    assertThat(write.applyHistoryView().isEmpty()).isFalse();
+    assertThat(write.applyHistoryTrigger().isEmpty()).isFalse();
+    assertThat(write.applyHistoryView().getBuffer())
+      .contains("create view")
+      .doesNotContain("create trigger");
+    assertThat(write.applyHistoryTrigger().getBuffer())
+      .contains("add one")
+      .contains("create trigger")
+      .doesNotContain("create view");
     assertThat(write.dropAll().isEmpty()).isTrue();
 
   }

src/test/java/io/ebeaninternal/server/rawsql/TestRawSqlParsing.java

@@ -57,4 +57,19 @@ public class TestRawSqlParsing extends BaseTestCase {
 
     assertThat(list).isNotEmpty();
   }
+
+  @Test
+  public void testWhere() {
+
+    ResetBasicData.reset();
+
+    RawSql sql = RawSqlBuilder.parse("SELECT id, name FROM o_customer ${where}").create();
+
+    List<Customer> customers = Ebean.createQuery(Customer.class)
+      .setRawSql(sql)
+      .where().gt("id", 1)
+      .findList();
+
+    assertThat(customers).isNotEmpty();
+  }
 }

src/test/java/misc/migration/v1_0/EHistory2.java

@@ -6,15 +6,21 @@ import javax.persistence.Id;
 import javax.persistence.Table;
 
 import io.ebean.annotation.History;
+import io.ebean.annotation.HistoryExclude;
 
 @Entity
 @Table(name = "migtest_e_history2")
 @History
 public class EHistory2 {
-  
+
   @Id
   Integer id;
-  
-  
+
+
   String testString;
+
+  @HistoryExclude
+  String obsoleteString1;
+
+  String obsoleteString2;
 }

src/test/java/misc/migration/v1_0/EHistory3.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_0;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history3")
+@History
+public class EHistory3 {
+
+  @Id
+  Integer id;
+
+  String testString;
+
+}

src/test/java/misc/migration/v1_0/EHistory4.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_0;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history4")
+@History
+public class EHistory4 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber;
+
+}

src/test/java/misc/migration/v1_0/EHistory5.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_0;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history5")
+@History
+public class EHistory5 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber;
+
+}

src/test/java/misc/migration/v1_0/EHistory6.java

@@ -0,0 +1,24 @@
+package misc.migration.v1_0;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+import io.ebean.annotation.NotNull;
+
+
+@Entity
+@Table(name = "migtest_e_history6")
+@History
+public class EHistory6 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber1;
+
+  @NotNull
+  Integer testNumber2;
+}

src/test/java/misc/migration/v1_1/EHistory2.java

@@ -7,6 +7,7 @@ import javax.persistence.Table;
 
 import io.ebean.annotation.DbDefault;
 import io.ebean.annotation.History;
+import io.ebean.annotation.HistoryExclude;
 import io.ebean.annotation.NotNull;
 
 @Entity
@@ -20,7 +21,8 @@ public class EHistory2 {
   @NotNull
   @DbDefault("unknown")
   String testString;
-  
+
+  @HistoryExclude
   String testString2;
   
   @NotNull

src/test/java/misc/migration/v1_1/EHistory3.java

@@ -0,0 +1,23 @@
+package misc.migration.v1_1;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+import io.ebean.annotation.HistoryExclude;
+
+
+@Entity
+@Table(name = "migtest_e_history3")
+@History
+public class EHistory3 {
+
+  @Id
+  Integer id;
+
+  @HistoryExclude
+  String testString;
+
+}

src/test/java/misc/migration/v1_1/EHistory4.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_1;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history4")
+@History
+public class EHistory4 {
+
+  @Id
+  Integer id;
+
+  Long testNumber;
+
+}

src/test/java/misc/migration/v1_1/EHistory5.java

@@ -0,0 +1,27 @@
+package misc.migration.v1_1;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.DbDefault;
+import io.ebean.annotation.History;
+import io.ebean.annotation.NotNull;
+
+
+@Entity
+@Table(name = "migtest_e_history5")
+@History
+public class EHistory5 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber;
+
+  @NotNull
+  @DbDefault("false")
+  Boolean testBoolean;
+
+}

src/test/java/misc/migration/v1_1/EHistory6.java

@@ -0,0 +1,27 @@
+package misc.migration.v1_1;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.DbDefault;
+import io.ebean.annotation.History;
+import io.ebean.annotation.NotNull;
+
+
+@Entity
+@Table(name = "migtest_e_history6")
+@History
+public class EHistory6 {
+
+  @Id
+  Integer id;
+
+  @NotNull
+  @DbDefault("42")
+  Integer testNumber1;
+
+
+  Integer testNumber2;
+}

src/test/java/misc/migration/v1_2/EHistory2.java

@@ -6,15 +6,21 @@ import javax.persistence.Id;
 import javax.persistence.Table;
 
 import io.ebean.annotation.History;
+import io.ebean.annotation.HistoryExclude;
 
 @Entity
 @Table(name = "migtest_e_history2")
 @History
 public class EHistory2 {
-  
+
   @Id
   Integer id;
-  
-  
+
+
   String testString;
+
+  @HistoryExclude
+  String obsoleteString1;
+
+  String obsoleteString2;
 }

src/test/java/misc/migration/v1_2/EHistory3.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_2;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history3")
+@History
+public class EHistory3 {
+
+  @Id
+  Integer id;
+
+  String testString;
+
+}

src/test/java/misc/migration/v1_2/EHistory4.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_2;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history4")
+@History
+public class EHistory4 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber;
+
+}

src/test/java/misc/migration/v1_2/EHistory5.java

@@ -0,0 +1,21 @@
+package misc.migration.v1_2;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.History;
+
+
+@Entity
+@Table(name = "migtest_e_history5")
+@History
+public class EHistory5 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber;
+
+}

src/test/java/misc/migration/v1_2/EHistory6.java

@@ -0,0 +1,26 @@
+package misc.migration.v1_2;
+
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+
+import io.ebean.annotation.DbDefault;
+import io.ebean.annotation.History;
+import io.ebean.annotation.NotNull;
+
+
+@Entity
+@Table(name = "migtest_e_history6")
+@History
+public class EHistory6 {
+
+  @Id
+  Integer id;
+
+  Integer testNumber1;
+
+  @NotNull
+  @DbDefault("7")
+  Integer testNumber2;
+}

src/test/java/org/tests/inheritance/abstrakt/AbstractBaseBlock.java

@@ -0,0 +1,48 @@
+package org.tests.inheritance.abstrakt;
+
+import javax.persistence.DiscriminatorColumn;
+import javax.persistence.DiscriminatorType;
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Inheritance;
+import javax.persistence.Table;
+import javax.persistence.Version;
+
+@Entity
+@Table(name = "block")
+@Inheritance
+@DiscriminatorColumn(name = "case_type", discriminatorType = DiscriminatorType.INTEGER)
+public abstract class AbstractBaseBlock {
+
+  @Id
+  long id;
+
+  String name;
+
+  @Version
+  long version;
+
+  public long getId() {
+    return id;
+  }
+
+  public void setId(long id) {
+    this.id = id;
+  }
+
+  public String getName() {
+    return name;
+  }
+
+  public void setName(String name) {
+    this.name = name;
+  }
+
+  public long getVersion() {
+    return version;
+  }
+
+  public void setVersion(long version) {
+    this.version = version;
+  }
+}

src/test/java/org/tests/inheritance/abstrakt/Block.java

@@ -0,0 +1,19 @@
+package org.tests.inheritance.abstrakt;
+
+import javax.persistence.DiscriminatorValue;
+import javax.persistence.Entity;
+
+@Entity
+@DiscriminatorValue(value = "2")
+public class Block extends AbstractBaseBlock {
+
+  String notes;
+
+  public String getNotes() {
+    return notes;
+  }
+
+  public void setNotes(String notes) {
+    this.notes = notes;
+  }
+}

src/test/java/org/tests/inheritance/abstrakt/TestInheritanceNum.java

@@ -0,0 +1,18 @@
+package org.tests.inheritance.abstrakt;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.junit.Test;
+
+public class TestInheritanceNum extends BaseTestCase {
+
+  @Test
+  public void basicIUD() {
+
+    Block block = new Block();
+    block.setName("ibe");
+    block.setNotes("try it");
+
+    Ebean.save(block);
+  }
+}

src/test/java/org/tests/inheritance/cache/TestInheritanceRefCache.java

@@ -0,0 +1,111 @@
+package org.tests.inheritance.cache;
+
+import io.ebean.BaseTestCase;
+import io.ebean.Ebean;
+import org.tests.model.basic.cache.CInhOne;
+import org.tests.model.basic.cache.CInhRef;
+import org.tests.model.basic.cache.CInhRoot;
+import org.tests.model.basic.cache.CInhTwo;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.ebeantest.LoggedSqlCollector;
+
+public class TestInheritanceRefCache extends BaseTestCase {
+
+  @Test
+  public void test() {
+
+    CInhOne one = new CInhOne();
+    one.setLicenseNumber("O12");
+    one.setDriver("Jimmy");
+    one.setNotes("Hello");
+
+    Ebean.save(one);
+
+    CInhRef ref = new CInhRef();
+    ref.setRef(one);
+
+    Ebean.save(ref);
+
+    Integer id = ref.getId();
+
+    LoggedSqlCollector.start();
+    CInhRef gotRef = Ebean.find(CInhRef.class).setId(id).findOne();
+
+    assertThat(gotRef).isInstanceOf(CInhRef.class);
+    assertThat(gotRef.getRef()).isInstanceOf(CInhOne.class);
+    List<String> sql = LoggedSqlCollector.stop();
+    assertThat(sql).hasSize(1);
+    assertThat(sql.get(0)).contains("from cinh_ref").contains("left join cinh_root");
+
+    // fetch again - from cache (but fetch second bean from cache)
+    LoggedSqlCollector.start();
+    gotRef = Ebean.find(CInhRef.class).setId(id).findOne();
+
+    assertThat(gotRef).isInstanceOf(CInhRef.class);
+    assertThat(gotRef.getRef()).isInstanceOf(CInhOne.class);
+    sql = LoggedSqlCollector.stop();
+    assertThat(sql).hasSize(1);
+    assertThat(sql.get(0)).contains("from cinh_root");
+
+
+    // fetch again - both from cache
+    LoggedSqlCollector.start();
+    gotRef = Ebean.find(CInhRef.class).setId(id).findOne();
+
+    assertThat(gotRef).isInstanceOf(CInhRef.class);
+    assertThat(gotRef.getRef()).isInstanceOf(CInhOne.class);
+    sql = LoggedSqlCollector.stop();
+    assertThat(sql).hasSize(0);
+
+  }
+
+  @Test
+  public void testMap() {
+
+    List<Integer> ids = new ArrayList<>();
+
+    CInhOne one = new CInhOne();
+    one.setLicenseNumber("O19");
+    one.setDriver("Foo");
+    one.setNotes("Hello");
+    Ebean.save(one);
+
+    ids.add(one.getId());
+
+    CInhTwo two = new CInhTwo();
+    two.setLicenseNumber("T23");
+    two.setAction("Test");
+    Ebean.save(two);
+
+    ids.add(two.getId());
+
+
+    LoggedSqlCollector.start();
+
+    Ebean.find(CInhRoot.class).setUseQueryCache(true).where().idIn(ids).setMapKey("licenseNumber").findMap();
+
+    List<String> sql = LoggedSqlCollector.stop();
+    assertThat(sql).hasSize(1);
+    assertThat(sql.get(0)).contains("from cinh_root");
+
+    // try some cache finds
+    Ebean.find(CInhRoot.class).setUseQueryCache(true).findList();
+    Ebean.find(CInhRoot.class).setUseQueryCache(true).findList();
+    Ebean.find(CInhRoot.class).setUseQueryCache(true).findList();
+
+    LoggedSqlCollector.start();
+
+    Ebean.find(CInhRoot.class).setUseQueryCache(true).where().idIn(ids).setMapKey("licenseNumber").findMap();
+
+    sql = LoggedSqlCollector.stop();
+    assertThat(sql).hasSize(0);
+  }
+
+}

src/test/java/org/tests/model/basic/cache/CInhRef.java

@@ -0,0 +1,25 @@
+package org.tests.model.basic.cache;
+
+import org.tests.model.basic.BasicDomain;
+
+import io.ebean.annotation.Cache;
+
+import javax.persistence.Entity;
+import javax.persistence.ManyToOne;
+
+@Entity
+@Cache(enableQueryCache = true)
+public class CInhRef extends BasicDomain {
+  private static final long serialVersionUID = -4673953370819311120L;
+
+  @ManyToOne(cascade = {})
+  private CInhRoot ref;
+
+  public CInhRoot getRef() {
+    return ref;
+  }
+
+  public void setRef(CInhRoot ref) {
+    this.ref = ref;
+  }
+}

src/test/java/org/tests/model/basic/cache/CInhRoot.java

@@ -7,7 +7,7 @@ import javax.persistence.DiscriminatorColumn;
 import javax.persistence.Entity;
 import javax.persistence.Inheritance;
 
-@Cache
+@Cache(enableQueryCache = true)
 @Entity
 @Inheritance
 @DiscriminatorColumn(length = 3)

src/test/java/org/tests/model/elementcollection/EcmPerson.java

@@ -7,7 +7,9 @@ import javax.persistence.ElementCollection;
 import javax.persistence.Entity;
 import javax.persistence.Id;
 import javax.persistence.MapKeyColumn;
+import javax.persistence.Transient;
 import javax.persistence.Version;
+
 import java.util.LinkedHashMap;
 import java.util.Map;
 
@@ -25,6 +27,9 @@ public class EcmPerson {
   @Column(name = "number", length = 10)
   Map<String, String> phoneNumbers = new LinkedHashMap<>();
 
+  @Transient
+  Map<String, String> transientPhoneNumbers;
+
   @Version
   long version;
 

src/test/java/org/tests/model/elementcollection/TestElementCollectionBasicMap.java

@@ -5,6 +5,7 @@ import io.ebean.Ebean;
 import org.ebeantest.LoggedSqlCollector;
 import org.junit.Test;
 
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -137,6 +138,7 @@ public class TestElementCollectionBasicMap extends BaseTestCase {
   }
 
   private void jsonToFrom(EcmPerson foundFirst) {
+    foundFirst.transientPhoneNumbers = new HashMap<>();
     String asJson = Ebean.json().toJson(foundFirst);
     EcmPerson fromJson = Ebean.json().toBean(EcmPerson.class, asJson);
 

src/test/java/org/tests/model/onetoone/TestOneToOnePrimaryKeyJoinOptional.java

@@ -21,6 +21,25 @@ public class TestOneToOnePrimaryKeyJoinOptional extends BaseTestCase {
     return prime;
   }
 
+  @Test
+  public void insertWithoutExtra() {
+
+    String desc = "" + System.currentTimeMillis();
+    OtoUPrime p1 = new OtoUPrime("u" + desc);
+    Ebean.save(p1);
+
+    Query<OtoUPrime> query = Ebean.find(OtoUPrime.class)
+      .setId(p1.getPid())
+      .fetch("extra", "eid");
+
+    OtoUPrime found = query.findOne();
+
+    if (found.getExtra() != null) {
+      found.getExtra().getExtra(); // fails here, because getExtra should be null
+    }
+    assertThat(found.getExtra()).isNull();
+  }
+
   @Test
   public void insertUpdateDelete() {
 

src/test/java/org/tests/query/autotune/TestAutoTuneProfiling.java

@@ -17,7 +17,7 @@ public class TestAutoTuneProfiling extends BaseTestCase {
 
   @Ignore
   @Test
-  public void test() throws InterruptedException {
+  public void test() {
 
     ResetBasicData.reset();
 

src/test/resources/dbmigration/migrationtest/db2/1.0__initial.sql

@@ -85,9 +85,36 @@ create table migtest_e_history (
 create table migtest_e_history2 (
   id                            integer generated by default as identity not null,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 
+create table migtest_e_history3 (
+  id                            integer generated by default as identity not null,
+  test_string                   varchar(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+
+create table migtest_e_history4 (
+  id                            integer generated by default as identity not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history4 primary key (id)
+);
+
+create table migtest_e_history5 (
+  id                            integer generated by default as identity not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history5 primary key (id)
+);
+
+create table migtest_e_history6 (
+  id                            integer generated by default as identity not null,
+  test_number1                  integer,
+  test_number2                  integer not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+
 create table migtest_e_ref (
   id                            integer generated by default as identity not null,
   name                          varchar(127) not null,

src/test/resources/dbmigration/migrationtest/db2/1.1.sql

@@ -65,14 +65,22 @@ comment on column migtest_e_history.test_string is 'Column altered to long now';
 alter table migtest_e_history alter column test_string bigint;
 comment on table migtest_e_history is 'We have history now';
 
+-- NOTE: table has @History - special migration may be necessary
 update migtest_e_history2 set test_string = 'unknown' where test_string is null;
 alter table migtest_e_history2 alter column test_string set default 'unknown';
 alter table migtest_e_history2 alter column test_string set not null;
 alter table migtest_e_history2 add column test_string2 varchar(255);
 alter table migtest_e_history2 add column test_string3 varchar(255) default 'unknown' not null;
-alter table migtest_e_history2_history add column test_string2 varchar(255);
-alter table migtest_e_history2_history add column test_string3 varchar(255);
 
+alter table migtest_e_history4 alter column test_number bigint;
+alter table migtest_e_history5 add column test_boolean boolean default false not null;
+
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number1 = 42 where test_number1 is null;
+alter table migtest_e_history6 alter column test_number1 set default 42;
+alter table migtest_e_history6 alter column test_number1 set not null;
+alter table migtest_e_history6 alter column test_number2 set null;
 alter table migtest_e_softdelete add column deleted boolean default false not null;
 
 alter table migtest_oto_child add column master_id bigint;

src/test/resources/dbmigration/migrationtest/db2/1.2__dropsFor_1.1.sql

@@ -6,5 +6,9 @@ alter table migtest_e_basic drop column old_boolean2;
 
 alter table migtest_e_basic drop column eref_id;
 
+alter table migtest_e_history2 drop column obsolete_string1;
+
+alter table migtest_e_history2 drop column obsolete_string2;
+
 drop table migtest_e_ref;
 drop sequence migtest_e_ref_seq;

src/test/resources/dbmigration/migrationtest/db2/1.3.sql

@@ -40,6 +40,17 @@ comment on column migtest_e_history.test_string is '';
 comment on table migtest_e_history is '';
 alter table migtest_e_history2 alter column test_string drop default;
 alter table migtest_e_history2 alter column test_string set null;
+alter table migtest_e_history2 add column obsolete_string1 varchar(255);
+alter table migtest_e_history2 add column obsolete_string2 varchar(255);
+
+alter table migtest_e_history4 alter column test_number integer;
+alter table migtest_e_history6 alter column test_number1 drop default;
+alter table migtest_e_history6 alter column test_number1 set null;
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number2 = 7 where test_number2 is null;
+alter table migtest_e_history6 alter column test_number2 set default 7;
+alter table migtest_e_history6 alter column test_number2 set not null;
 create index ix_mgtst__b_eu8csq on migtest_e_basic (indextest1);
 create index ix_mgtst__b_eu8csu on migtest_e_basic (indextest5);
 drop index ix_mgtst__b_eu8css;

src/test/resources/dbmigration/migrationtest/db2/1.4__dropsFor_1.3.sql

@@ -17,10 +17,10 @@ alter table migtest_e_basic drop column progress;
 alter table migtest_e_basic drop column new_integer;
 
 alter table migtest_e_history2 drop column test_string2;
-alter table migtest_e_history2_history drop column test_string2;
 
 alter table migtest_e_history2 drop column test_string3;
-alter table migtest_e_history2_history drop column test_string3;
+
+alter table migtest_e_history5 drop column test_boolean;
 
 alter table migtest_e_softdelete drop column deleted;
 

src/test/resources/dbmigration/migrationtest/h2/1.0__initial.sql

@@ -85,9 +85,36 @@ create table migtest_e_history (
 create table migtest_e_history2 (
   id                            integer auto_increment not null,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 
+create table migtest_e_history3 (
+  id                            integer auto_increment not null,
+  test_string                   varchar(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+
+create table migtest_e_history4 (
+  id                            integer auto_increment not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history4 primary key (id)
+);
+
+create table migtest_e_history5 (
+  id                            integer auto_increment not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history5 primary key (id)
+);
+
+create table migtest_e_history6 (
+  id                            integer auto_increment not null,
+  test_number1                  integer,
+  test_number2                  integer not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+
 create table migtest_e_ref (
   id                            integer auto_increment not null,
   name                          varchar(127) not null,
@@ -141,9 +168,56 @@ alter table migtest_e_history2 add column sys_period_end datetime(6);
 create table migtest_e_history2_history(
   id                            integer,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   sys_period_start              datetime(6),
   sys_period_end                datetime(6)
 );
 create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
 
+alter table migtest_e_history3 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history3 add column sys_period_end datetime(6);
+create table migtest_e_history3_history(
+  id                            integer,
+  test_string                   varchar(255),
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+alter table migtest_e_history4 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history4 add column sys_period_end datetime(6);
+create table migtest_e_history4_history(
+  id                            integer,
+  test_number                   integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+alter table migtest_e_history5 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history5 add column sys_period_end datetime(6);
+create table migtest_e_history5_history(
+  id                            integer,
+  test_number                   integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
+alter table migtest_e_history6 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history6 add column sys_period_end datetime(6);
+create table migtest_e_history6_history(
+  id                            integer,
+  test_number1                  integer,
+  test_number2                  integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history6_with_history as select * from migtest_e_history6 union all select * from migtest_e_history6_history;
+
 create trigger migtest_e_history2_history_upd before update,delete on migtest_e_history2 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+create trigger migtest_e_history3_history_upd before update,delete on migtest_e_history3 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+create trigger migtest_e_history4_history_upd before update,delete on migtest_e_history4 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+create trigger migtest_e_history5_history_upd before update,delete on migtest_e_history5 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+create trigger migtest_e_history6_history_upd before update,delete on migtest_e_history6 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";

src/test/resources/dbmigration/migrationtest/h2/1.1.sql

@@ -1,4 +1,10 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history3_with_history;
+drop view if exists migtest_e_history4_with_history;
+drop view if exists migtest_e_history5_with_history;
+
 -- apply changes
 create table migtest_e_user (
   id                            integer auto_increment not null,
@@ -65,14 +71,26 @@ comment on column migtest_e_history.test_string is 'Column altered to long now';
 alter table migtest_e_history alter column test_string bigint;
 comment on table migtest_e_history is 'We have history now';
 
+-- NOTE: table has @History - special migration may be necessary
 update migtest_e_history2 set test_string = 'unknown' where test_string is null;
 alter table migtest_e_history2 alter column test_string set default 'unknown';
 alter table migtest_e_history2 alter column test_string set not null;
 alter table migtest_e_history2 add column test_string2 varchar(255);
 alter table migtest_e_history2 add column test_string3 varchar(255) default 'unknown' not null;
 alter table migtest_e_history2_history add column test_string2 varchar(255);
-alter table migtest_e_history2_history add column test_string3 varchar(255);
+alter table migtest_e_history2_history add column test_string3 varchar(255) default 'unknown';
 
+alter table migtest_e_history4 alter column test_number bigint;
+alter table migtest_e_history4_history alter column test_number bigint;
+alter table migtest_e_history5 add column test_boolean boolean default false not null;
+alter table migtest_e_history5_history add column test_boolean boolean default false;
+
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number1 = 42 where test_number1 is null;
+alter table migtest_e_history6 alter column test_number1 set default 42;
+alter table migtest_e_history6 alter column test_number1 set not null;
+alter table migtest_e_history6 alter column test_number2 set null;
 alter table migtest_e_softdelete add column deleted boolean default false not null;
 
 alter table migtest_oto_child add column master_id bigint;
@@ -108,7 +126,24 @@ create table migtest_e_history_history(
 );
 create view migtest_e_history_with_history as select * from migtest_e_history union all select * from migtest_e_history_history;
 
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
 create trigger migtest_e_history_history_upd before update,delete on migtest_e_history for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
 -- changes: [add test_string2, add test_string3]
 drop trigger migtest_e_history2_history_upd;
 create trigger migtest_e_history2_history_upd before update,delete on migtest_e_history2 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [exclude test_string]
+drop trigger migtest_e_history3_history_upd;
+create trigger migtest_e_history3_history_upd before update,delete on migtest_e_history3 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [alter test_number]
+drop trigger migtest_e_history4_history_upd;
+create trigger migtest_e_history4_history_upd before update,delete on migtest_e_history4 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [add test_boolean]
+drop trigger migtest_e_history5_history_upd;
+create trigger migtest_e_history5_history_upd before update,delete on migtest_e_history5 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";

src/test/resources/dbmigration/migrationtest/h2/1.2__dropsFor_1.1.sql

@@ -1,4 +1,7 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+
 -- apply changes
 alter table migtest_e_basic drop column old_boolean;
 
@@ -6,5 +9,16 @@ alter table migtest_e_basic drop column old_boolean2;
 
 alter table migtest_e_basic drop column eref_id;
 
+alter table migtest_e_history2 drop column obsolete_string1;
+alter table migtest_e_history2_history drop column obsolete_string1;
+
+alter table migtest_e_history2 drop column obsolete_string2;
+alter table migtest_e_history2_history drop column obsolete_string2;
+
 drop table if exists migtest_e_ref;
 drop sequence if exists migtest_e_ref_seq;
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+-- changes: [drop obsolete_string1, drop obsolete_string2]
+drop trigger migtest_e_history2_history_upd;
+create trigger migtest_e_history2_history_upd before update,delete on migtest_e_history2 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";

src/test/resources/dbmigration/migrationtest/h2/1.3.sql

@@ -1,4 +1,9 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history3_with_history;
+drop view if exists migtest_e_history4_with_history;
+
 -- apply changes
 create table migtest_e_ref (
   id                            integer auto_increment not null,
@@ -40,6 +45,20 @@ comment on column migtest_e_history.test_string is '';
 comment on table migtest_e_history is '';
 alter table migtest_e_history2 alter column test_string drop default;
 alter table migtest_e_history2 alter column test_string set null;
+alter table migtest_e_history2 add column obsolete_string1 varchar(255);
+alter table migtest_e_history2 add column obsolete_string2 varchar(255);
+alter table migtest_e_history2_history add column obsolete_string1 varchar(255);
+alter table migtest_e_history2_history add column obsolete_string2 varchar(255);
+
+alter table migtest_e_history4 alter column test_number integer;
+alter table migtest_e_history4_history alter column test_number integer;
+alter table migtest_e_history6 alter column test_number1 drop default;
+alter table migtest_e_history6 alter column test_number1 set null;
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number2 = 7 where test_number2 is null;
+alter table migtest_e_history6 alter column test_number2 set default 7;
+alter table migtest_e_history6 alter column test_number2 set not null;
 create index ix_migtest_e_basic_indextest1 on migtest_e_basic (indextest1);
 create index ix_migtest_e_basic_indextest5 on migtest_e_basic (indextest5);
 drop index if exists ix_migtest_e_basic_indextest3;
@@ -47,3 +66,18 @@ drop index if exists ix_migtest_e_basic_indextest6;
 create index ix_migtest_e_basic_eref_id on migtest_e_basic (eref_id);
 alter table migtest_e_basic add constraint fk_migtest_e_basic_eref_id foreign key (eref_id) references migtest_e_ref (id) on delete restrict on update restrict;
 
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+-- changes: [add obsolete_string1, add obsolete_string2]
+drop trigger migtest_e_history2_history_upd;
+create trigger migtest_e_history2_history_upd before update,delete on migtest_e_history2 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [include test_string]
+drop trigger migtest_e_history3_history_upd;
+create trigger migtest_e_history3_history_upd before update,delete on migtest_e_history3 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [alter test_number]
+drop trigger migtest_e_history4_history_upd;
+create trigger migtest_e_history4_history_upd before update,delete on migtest_e_history4 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";

src/test/resources/dbmigration/migrationtest/h2/1.4__dropsFor_1.3.sql

@@ -6,6 +6,8 @@ alter table migtest_e_history drop column sys_period_start;
 alter table migtest_e_history drop column sys_period_end;
 drop table migtest_e_history_history;
 
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history5_with_history;
 
 -- apply changes
 alter table migtest_ckey_detail drop column one_key;
@@ -30,6 +32,9 @@ alter table migtest_e_history2_history drop column test_string2;
 alter table migtest_e_history2 drop column test_string3;
 alter table migtest_e_history2_history drop column test_string3;
 
+alter table migtest_e_history5 drop column test_boolean;
+alter table migtest_e_history5_history drop column test_boolean;
+
 alter table migtest_e_softdelete drop column deleted;
 
 alter table migtest_oto_child drop column master_id;
@@ -38,6 +43,13 @@ drop table if exists migtest_e_user;
 drop sequence if exists migtest_e_user_seq;
 drop table if exists migtest_mtm_c_migtest_mtm_m;
 drop table if exists migtest_mtm_m_migtest_mtm_c;
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
 -- changes: [drop test_string2, drop test_string3]
 drop trigger migtest_e_history2_history_upd;
 create trigger migtest_e_history2_history_upd before update,delete on migtest_e_history2 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";
+-- changes: [drop test_boolean]
+drop trigger migtest_e_history5_history_upd;
+create trigger migtest_e_history5_history_upd before update,delete on migtest_e_history5 for each row call "io.ebean.config.dbplatform.h2.H2HistoryTrigger";

src/test/resources/dbmigration/migrationtest/hsqldb/1.0__initial.sql

@@ -85,9 +85,36 @@ create table migtest_e_history (
 create table migtest_e_history2 (
   id                            integer generated by default as identity (start with 1)  not null,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 
+create table migtest_e_history3 (
+  id                            integer generated by default as identity (start with 1)  not null,
+  test_string                   varchar(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+
+create table migtest_e_history4 (
+  id                            integer generated by default as identity (start with 1)  not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history4 primary key (id)
+);
+
+create table migtest_e_history5 (
+  id                            integer generated by default as identity (start with 1)  not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history5 primary key (id)
+);
+
+create table migtest_e_history6 (
+  id                            integer generated by default as identity (start with 1)  not null,
+  test_number1                  integer,
+  test_number2                  integer not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+
 create table migtest_e_ref (
   id                            integer generated by default as identity (start with 1)  not null,
   name                          varchar(127) not null,

src/test/resources/dbmigration/migrationtest/hsqldb/1.1.sql

@@ -65,14 +65,22 @@ comment on column migtest_e_history.test_string is 'Column altered to long now';
 alter table migtest_e_history alter column test_string bigint;
 comment on table migtest_e_history is 'We have history now';
 
+-- NOTE: table has @History - special migration may be necessary
 update migtest_e_history2 set test_string = 'unknown' where test_string is null;
 alter table migtest_e_history2 alter column test_string set default 'unknown';
 alter table migtest_e_history2 alter column test_string set not null;
 alter table migtest_e_history2 add column test_string2 varchar(255);
 alter table migtest_e_history2 add column test_string3 varchar(255) default 'unknown' not null;
-alter table migtest_e_history2_history add column test_string2 varchar(255);
-alter table migtest_e_history2_history add column test_string3 varchar(255);
 
+alter table migtest_e_history4 alter column test_number bigint;
+alter table migtest_e_history5 add column test_boolean boolean default false not null;
+
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number1 = 42 where test_number1 is null;
+alter table migtest_e_history6 alter column test_number1 set default 42;
+alter table migtest_e_history6 alter column test_number1 set not null;
+alter table migtest_e_history6 alter column test_number2 set null;
 alter table migtest_e_softdelete add column deleted boolean default false not null;
 
 alter table migtest_oto_child add column master_id bigint;

src/test/resources/dbmigration/migrationtest/hsqldb/1.2__dropsFor_1.1.sql

@@ -6,5 +6,9 @@ alter table migtest_e_basic drop column old_boolean2;
 
 alter table migtest_e_basic drop column eref_id;
 
+alter table migtest_e_history2 drop column obsolete_string1;
+
+alter table migtest_e_history2 drop column obsolete_string2;
+
 drop table if exists migtest_e_ref;
 drop sequence if exists migtest_e_ref_seq;

src/test/resources/dbmigration/migrationtest/hsqldb/1.3.sql

@@ -40,6 +40,17 @@ comment on column migtest_e_history.test_string is '';
 comment on table migtest_e_history is '';
 alter table migtest_e_history2 alter column test_string drop default;
 alter table migtest_e_history2 alter column test_string set null;
+alter table migtest_e_history2 add column obsolete_string1 varchar(255);
+alter table migtest_e_history2 add column obsolete_string2 varchar(255);
+
+alter table migtest_e_history4 alter column test_number integer;
+alter table migtest_e_history6 alter column test_number1 drop default;
+alter table migtest_e_history6 alter column test_number1 set null;
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number2 = 7 where test_number2 is null;
+alter table migtest_e_history6 alter column test_number2 set default 7;
+alter table migtest_e_history6 alter column test_number2 set not null;
 create index ix_migtest_e_basic_indextest1 on migtest_e_basic (indextest1);
 create index ix_migtest_e_basic_indextest5 on migtest_e_basic (indextest5);
 drop index if exists ix_migtest_e_basic_indextest3;

src/test/resources/dbmigration/migrationtest/hsqldb/1.4__dropsFor_1.3.sql

@@ -17,10 +17,10 @@ alter table migtest_e_basic drop column progress;
 alter table migtest_e_basic drop column new_integer;
 
 alter table migtest_e_history2 drop column test_string2;
-alter table migtest_e_history2_history drop column test_string2;
 
 alter table migtest_e_history2 drop column test_string3;
-alter table migtest_e_history2_history drop column test_string3;
+
+alter table migtest_e_history5 drop column test_boolean;
 
 alter table migtest_e_softdelete drop column deleted;
 

src/test/resources/dbmigration/migrationtest/model/1.0__initial.model.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<!DOCTYPE xml>
 <migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
     <changeSet type="apply">
         <createTable name="migtest_ckey_assoc" pkName="pk_migtest_ckey_assoc">
@@ -64,6 +63,25 @@
         <createTable name="migtest_e_history2" withHistory="true" pkName="pk_migtest_e_history2">
             <column name="id" type="integer" primaryKey="true"/>
             <column name="test_string" type="varchar"/>
+            <column name="obsolete_string1" type="varchar" historyExclude="true"/>
+            <column name="obsolete_string2" type="varchar"/>
+        </createTable>
+        <createTable name="migtest_e_history3" withHistory="true" pkName="pk_migtest_e_history3">
+            <column name="id" type="integer" primaryKey="true"/>
+            <column name="test_string" type="varchar"/>
+        </createTable>
+        <createTable name="migtest_e_history4" withHistory="true" pkName="pk_migtest_e_history4">
+            <column name="id" type="integer" primaryKey="true"/>
+            <column name="test_number" type="integer"/>
+        </createTable>
+        <createTable name="migtest_e_history5" withHistory="true" pkName="pk_migtest_e_history5">
+            <column name="id" type="integer" primaryKey="true"/>
+            <column name="test_number" type="integer"/>
+        </createTable>
+        <createTable name="migtest_e_history6" withHistory="true" pkName="pk_migtest_e_history6">
+            <column name="id" type="integer" primaryKey="true"/>
+            <column name="test_number1" type="integer"/>
+            <column name="test_number2" type="integer" notnull="true"/>
         </createTable>
         <createTable name="migtest_e_ref" pkName="pk_migtest_e_ref">
             <column name="id" type="integer" primaryKey="true"/>

src/test/resources/dbmigration/migrationtest/model/1.1.model.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<!DOCTYPE xml>
 <migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
     <changeSet type="apply">
         <addColumn tableName="migtest_ckey_detail">
@@ -44,9 +43,16 @@
         <addTableComment name="migtest_e_history" comment="We have history now"/>
         <alterColumn columnName="test_string" tableName="migtest_e_history2" withHistory="true" currentType="varchar" defaultValue="'unknown'" notnull="true" currentNotnull="false"/>
         <addColumn tableName="migtest_e_history2" withHistory="true">
-            <column name="test_string2" type="varchar"/>
+            <column name="test_string2" type="varchar" historyExclude="true"/>
             <column name="test_string3" type="varchar" defaultValue="'unknown'" notnull="true"/>
         </addColumn>
+        <alterColumn columnName="test_string" tableName="migtest_e_history3" withHistory="true" historyExclude="true"/>
+        <alterColumn columnName="test_number" tableName="migtest_e_history4" withHistory="true" type="bigint" currentType="integer" currentNotnull="false"/>
+        <addColumn tableName="migtest_e_history5" withHistory="true">
+            <column name="test_boolean" type="boolean" defaultValue="false" notnull="true"/>
+        </addColumn>
+        <alterColumn columnName="test_number1" tableName="migtest_e_history6" withHistory="true" currentType="integer" defaultValue="42" notnull="true" currentNotnull="false"/>
+        <alterColumn columnName="test_number2" tableName="migtest_e_history6" withHistory="true" currentType="integer" notnull="false" currentNotnull="true"/>
         <addColumn tableName="migtest_e_softdelete">
             <column name="deleted" type="boolean" defaultValue="false" notnull="true"/>
         </addColumn>
@@ -77,6 +83,8 @@
         <dropColumn columnName="old_boolean" tableName="migtest_e_basic"/>
         <dropColumn columnName="old_boolean2" tableName="migtest_e_basic"/>
         <dropColumn columnName="eref_id" tableName="migtest_e_basic"/>
+        <dropColumn columnName="obsolete_string1" tableName="migtest_e_history2" withHistory="true"/>
+        <dropColumn columnName="obsolete_string2" tableName="migtest_e_history2" withHistory="true"/>
         <dropTable name="migtest_e_ref" sequenceCol="id"/>
     </changeSet>
 </migration>

src/test/resources/dbmigration/migrationtest/model/1.2__dropsFor_1.1.model.xml

@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<!DOCTYPE xml>
 <migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
     <changeSet type="apply" dropsFor="1.1">
         <dropColumn columnName="old_boolean" tableName="migtest_e_basic"/>
         <dropColumn columnName="old_boolean2" tableName="migtest_e_basic"/>
         <dropColumn columnName="eref_id" tableName="migtest_e_basic"/>
+        <dropColumn columnName="obsolete_string1" tableName="migtest_e_history2" withHistory="true"/>
+        <dropColumn columnName="obsolete_string2" tableName="migtest_e_history2" withHistory="true"/>
         <dropTable name="migtest_e_ref" sequenceCol="id"/>
     </changeSet>
 </migration>

src/test/resources/dbmigration/migrationtest/model/1.3.model.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<!DOCTYPE xml>
 <migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
     <changeSet type="apply">
         <alterForeignKey name="fk_migtest_ckey_detail_parent" columnNames="DROP FOREIGN KEY" indexName="ix_migtest_ckey_detail_parent" tableName="migtest_ckey_detail"/>
@@ -25,6 +24,14 @@
         <alterColumn columnName="test_string" tableName="migtest_e_history" withHistory="true" comment="DROP COMMENT"/>
         <addTableComment name="migtest_e_history" comment="DROP COMMENT"/>
         <alterColumn columnName="test_string" tableName="migtest_e_history2" withHistory="true" currentType="varchar" defaultValue="DROP DEFAULT" notnull="false" currentNotnull="true"/>
+        <addColumn tableName="migtest_e_history2" withHistory="true">
+            <column name="obsolete_string1" type="varchar" historyExclude="true"/>
+            <column name="obsolete_string2" type="varchar"/>
+        </addColumn>
+        <alterColumn columnName="test_string" tableName="migtest_e_history3" withHistory="true" historyExclude="false"/>
+        <alterColumn columnName="test_number" tableName="migtest_e_history4" withHistory="true" type="integer" currentType="bigint" currentNotnull="false"/>
+        <alterColumn columnName="test_number1" tableName="migtest_e_history6" withHistory="true" currentType="integer" defaultValue="DROP DEFAULT" notnull="false" currentNotnull="true"/>
+        <alterColumn columnName="test_number2" tableName="migtest_e_history6" withHistory="true" currentType="integer" defaultValue="7" notnull="true" currentNotnull="false"/>
         <createTable name="migtest_e_ref" pkName="pk_migtest_e_ref">
             <column name="id" type="integer" primaryKey="true"/>
             <column name="name" type="varchar(127)" notnull="true"/>
@@ -47,6 +54,7 @@
         <dropHistoryTable baseTable="migtest_e_history"/>
         <dropColumn columnName="test_string2" tableName="migtest_e_history2" withHistory="true"/>
         <dropColumn columnName="test_string3" tableName="migtest_e_history2" withHistory="true"/>
+        <dropColumn columnName="test_boolean" tableName="migtest_e_history5" withHistory="true"/>
         <dropColumn columnName="deleted" tableName="migtest_e_softdelete"/>
         <dropColumn columnName="master_id" tableName="migtest_oto_child"/>
         <dropTable name="migtest_e_user" sequenceCol="id"/>

src/test/resources/dbmigration/migrationtest/model/1.4__dropsFor_1.3.model.xml

@@ -1,5 +1,4 @@
 <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
-<!DOCTYPE xml>
 <migration xmlns="http://ebean-orm.github.io/xml/ns/dbmigration">
     <changeSet type="apply" dropsFor="1.3">
         <dropColumn columnName="one_key" tableName="migtest_ckey_detail"/>
@@ -13,6 +12,7 @@
         <dropHistoryTable baseTable="migtest_e_history"/>
         <dropColumn columnName="test_string2" tableName="migtest_e_history2" withHistory="true"/>
         <dropColumn columnName="test_string3" tableName="migtest_e_history2" withHistory="true"/>
+        <dropColumn columnName="test_boolean" tableName="migtest_e_history5" withHistory="true"/>
         <dropColumn columnName="deleted" tableName="migtest_e_softdelete"/>
         <dropColumn columnName="master_id" tableName="migtest_oto_child"/>
         <dropTable name="migtest_e_user" sequenceCol="id"/>

src/test/resources/dbmigration/migrationtest/mysql/1.0__initial.sql

@@ -85,9 +85,36 @@ create table migtest_e_history (
 create table migtest_e_history2 (
   id                            integer auto_increment not null,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 
+create table migtest_e_history3 (
+  id                            integer auto_increment not null,
+  test_string                   varchar(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+
+create table migtest_e_history4 (
+  id                            integer auto_increment not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history4 primary key (id)
+);
+
+create table migtest_e_history5 (
+  id                            integer auto_increment not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history5 primary key (id)
+);
+
+create table migtest_e_history6 (
+  id                            integer auto_increment not null,
+  test_number1                  integer,
+  test_number2                  integer not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+
 create table migtest_e_ref (
   id                            integer auto_increment not null,
   name                          varchar(127) not null,
@@ -141,17 +168,96 @@ alter table migtest_e_history2 add column sys_period_end datetime(6);
 create table migtest_e_history2_history(
   id                            integer,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   sys_period_start              datetime(6),
   sys_period_end                datetime(6)
 );
 create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
 
+alter table migtest_e_history3 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history3 add column sys_period_end datetime(6);
+create table migtest_e_history3_history(
+  id                            integer,
+  test_string                   varchar(255),
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+alter table migtest_e_history4 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history4 add column sys_period_end datetime(6);
+create table migtest_e_history4_history(
+  id                            integer,
+  test_number                   integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+alter table migtest_e_history5 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history5 add column sys_period_end datetime(6);
+create table migtest_e_history5_history(
+  id                            integer,
+  test_number                   integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
+alter table migtest_e_history6 add column sys_period_start datetime(6) default now(6);
+alter table migtest_e_history6 add column sys_period_end datetime(6);
+create table migtest_e_history6_history(
+  id                            integer,
+  test_number1                  integer,
+  test_number2                  integer,
+  sys_period_start              datetime(6),
+  sys_period_end                datetime(6)
+);
+create view migtest_e_history6_with_history as select * from migtest_e_history6 union all select * from migtest_e_history6_history;
+
 delimiter $$
 create trigger migtest_e_history2_history_upd before update on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2);
     set NEW.sys_period_start = now(6);
 end$$
 delimiter $$
 create trigger migtest_e_history2_history_del before delete on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2);
+end$$
+delimiter $$
+create trigger migtest_e_history3_history_upd before update on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history3_history_del before delete on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+end$$
+delimiter $$
+create trigger migtest_e_history4_history_upd before update on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history4_history_del before delete on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+end$$
+delimiter $$
+create trigger migtest_e_history5_history_upd before update on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history5_history_del before delete on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+end$$
+delimiter $$
+create trigger migtest_e_history6_history_upd before update on migtest_e_history6 for each row begin
+    insert into migtest_e_history6_history (sys_period_start,sys_period_end,id, test_number1, test_number2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number1, OLD.test_number2);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history6_history_del before delete on migtest_e_history6 for each row begin
+    insert into migtest_e_history6_history (sys_period_start,sys_period_end,id, test_number1, test_number2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number1, OLD.test_number2);
 end$$

src/test/resources/dbmigration/migrationtest/mysql/1.1.sql

@@ -1,4 +1,10 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history3_with_history;
+drop view if exists migtest_e_history4_with_history;
+drop view if exists migtest_e_history5_with_history;
+
 -- apply changes
 create table migtest_e_user (
   id                            integer auto_increment not null,
@@ -63,14 +69,26 @@ alter table migtest_e_basic add constraint uq_migtest_e_basic_indextest5 unique
 alter table migtest_e_history modify test_string bigint;
 alter table migtest_e_history comment = 'We have history now';
 
+-- NOTE: table has @History - special migration may be necessary
 update migtest_e_history2 set test_string = 'unknown' where test_string is null;
 alter table migtest_e_history2 alter test_string set default 'unknown';
 alter table migtest_e_history2 modify test_string varchar(255) not null;
 alter table migtest_e_history2 add column test_string2 varchar(255);
 alter table migtest_e_history2 add column test_string3 varchar(255) default 'unknown' not null;
 alter table migtest_e_history2_history add column test_string2 varchar(255);
-alter table migtest_e_history2_history add column test_string3 varchar(255);
+alter table migtest_e_history2_history add column test_string3 varchar(255) default 'unknown';
 
+alter table migtest_e_history4 modify test_number bigint;
+alter table migtest_e_history4_history modify test_number bigint;
+alter table migtest_e_history5 add column test_boolean tinyint(1) default 0 not null;
+alter table migtest_e_history5_history add column test_boolean tinyint(1) default 0;
+
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number1 = 42 where test_number1 is null;
+alter table migtest_e_history6 alter test_number1 set default 42;
+alter table migtest_e_history6 modify test_number1 integer not null;
+alter table migtest_e_history6 modify test_number2 integer;
 alter table migtest_e_softdelete add column deleted tinyint(1) default 0 not null;
 
 alter table migtest_oto_child add column master_id bigint;
@@ -106,6 +124,14 @@ create table migtest_e_history_history(
 );
 create view migtest_e_history_with_history as select * from migtest_e_history union all select * from migtest_e_history_history;
 
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
 delimiter $$
 create trigger migtest_e_history_history_upd before update on migtest_e_history for each row begin
     insert into migtest_e_history_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
@@ -115,17 +141,53 @@ delimiter $$
 create trigger migtest_e_history_history_del before delete on migtest_e_history for each row begin
     insert into migtest_e_history_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
 end$$
+lock tables migtest_e_history2 write, migtest_e_history3 write, migtest_e_history4 write, migtest_e_history5 write;
 -- changes: [add test_string2, add test_string3]
-lock tables migtest_e_history2 write;
 drop trigger migtest_e_history2_history_upd;
 drop trigger migtest_e_history2_history_del;
 delimiter $$
 create trigger migtest_e_history2_history_upd before update on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string2, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string2, OLD.test_string3);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string3, obsolete_string1, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string3, OLD.obsolete_string1, OLD.obsolete_string2);
     set NEW.sys_period_start = now(6);
 end$$
 delimiter $$
 create trigger migtest_e_history2_history_del before delete on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string2, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string2, OLD.test_string3);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string3, obsolete_string1, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string3, OLD.obsolete_string1, OLD.obsolete_string2);
+end$$
+-- changes: [exclude test_string]
+drop trigger migtest_e_history3_history_upd;
+drop trigger migtest_e_history3_history_del;
+delimiter $$
+create trigger migtest_e_history3_history_upd before update on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id) values (OLD.sys_period_start, now(6),OLD.id);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history3_history_del before delete on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id) values (OLD.sys_period_start, now(6),OLD.id);
+end$$
+-- changes: [alter test_number]
+drop trigger migtest_e_history4_history_upd;
+drop trigger migtest_e_history4_history_del;
+delimiter $$
+create trigger migtest_e_history4_history_upd before update on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history4_history_del before delete on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+end$$
+-- changes: [add test_boolean]
+drop trigger migtest_e_history5_history_upd;
+drop trigger migtest_e_history5_history_del;
+delimiter $$
+create trigger migtest_e_history5_history_upd before update on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number, test_boolean) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number, OLD.test_boolean);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history5_history_del before delete on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number, test_boolean) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number, OLD.test_boolean);
 end$$
 unlock tables;

src/test/resources/dbmigration/migrationtest/mysql/1.2__dropsFor_1.1.sql

@@ -1,4 +1,7 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+
 -- apply changes
 alter table migtest_e_basic drop column old_boolean;
 
@@ -6,4 +9,26 @@ alter table migtest_e_basic drop column old_boolean2;
 
 alter table migtest_e_basic drop column eref_id;
 
+alter table migtest_e_history2 drop column obsolete_string1;
+alter table migtest_e_history2_history drop column obsolete_string1;
+
+alter table migtest_e_history2 drop column obsolete_string2;
+alter table migtest_e_history2_history drop column obsolete_string2;
+
 drop table if exists migtest_e_ref;
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+lock tables migtest_e_history2 write;
+-- changes: [drop obsolete_string1, drop obsolete_string2]
+drop trigger migtest_e_history2_history_upd;
+drop trigger migtest_e_history2_history_del;
+delimiter $$
+create trigger migtest_e_history2_history_upd before update on migtest_e_history2 for each row begin
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string3);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history2_history_del before delete on migtest_e_history2 for each row begin
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.test_string3);
+end$$
+unlock tables;

src/test/resources/dbmigration/migrationtest/mysql/1.3.sql

@@ -1,4 +1,9 @@
 -- Migrationscripts for ebean unittest
+-- drop dependencies
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history3_with_history;
+drop view if exists migtest_e_history4_with_history;
+
 -- apply changes
 create table migtest_e_ref (
   id                            integer auto_increment not null,
@@ -35,6 +40,19 @@ alter table migtest_e_basic add constraint uq_migtest_e_basic_indextest2 unique
 alter table migtest_e_basic add constraint uq_migtest_e_basic_indextest6 unique  (indextest6);
 alter table migtest_e_history comment = '';
 alter table migtest_e_history2 alter test_string drop default;
+alter table migtest_e_history2 add column obsolete_string1 varchar(255);
+alter table migtest_e_history2 add column obsolete_string2 varchar(255);
+alter table migtest_e_history2_history add column obsolete_string1 varchar(255);
+alter table migtest_e_history2_history add column obsolete_string2 varchar(255);
+
+alter table migtest_e_history4 modify test_number integer;
+alter table migtest_e_history4_history modify test_number integer;
+alter table migtest_e_history6 alter test_number1 drop default;
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number2 = 7 where test_number2 is null;
+alter table migtest_e_history6 alter test_number2 set default 7;
+alter table migtest_e_history6 modify test_number2 integer not null;
 create index ix_migtest_e_basic_indextest1 on migtest_e_basic (indextest1);
 create index ix_migtest_e_basic_indextest5 on migtest_e_basic (indextest5);
 drop index ix_migtest_e_basic_indextest3 on migtest_e_basic;
@@ -42,3 +60,47 @@ drop index ix_migtest_e_basic_indextest6 on migtest_e_basic;
 create index ix_migtest_e_basic_eref_id on migtest_e_basic (eref_id);
 alter table migtest_e_basic add constraint fk_migtest_e_basic_eref_id foreign key (eref_id) references migtest_e_ref (id) on delete restrict on update restrict;
 
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+lock tables migtest_e_history2 write, migtest_e_history3 write, migtest_e_history4 write;
+-- changes: [add obsolete_string1, add obsolete_string2]
+drop trigger migtest_e_history2_history_upd;
+drop trigger migtest_e_history2_history_del;
+delimiter $$
+create trigger migtest_e_history2_history_upd before update on migtest_e_history2 for each row begin
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2, test_string2, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2, OLD.test_string2, OLD.test_string3);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history2_history_del before delete on migtest_e_history2 for each row begin
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2, test_string2, test_string3) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2, OLD.test_string2, OLD.test_string3);
+end$$
+-- changes: [include test_string]
+drop trigger migtest_e_history3_history_upd;
+drop trigger migtest_e_history3_history_del;
+delimiter $$
+create trigger migtest_e_history3_history_upd before update on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history3_history_del before delete on migtest_e_history3 for each row begin
+    insert into migtest_e_history3_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+end$$
+-- changes: [alter test_number]
+drop trigger migtest_e_history4_history_upd;
+drop trigger migtest_e_history4_history_del;
+delimiter $$
+create trigger migtest_e_history4_history_upd before update on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history4_history_del before delete on migtest_e_history4 for each row begin
+    insert into migtest_e_history4_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+end$$
+unlock tables;

src/test/resources/dbmigration/migrationtest/mysql/1.4__dropsFor_1.3.sql

@@ -7,6 +7,8 @@ alter table migtest_e_history drop column sys_period_start;
 alter table migtest_e_history drop column sys_period_end;
 drop table migtest_e_history_history;
 
+drop view if exists migtest_e_history2_with_history;
+drop view if exists migtest_e_history5_with_history;
 
 -- apply changes
 alter table migtest_ckey_detail drop column one_key;
@@ -31,6 +33,9 @@ alter table migtest_e_history2_history drop column test_string2;
 alter table migtest_e_history2 drop column test_string3;
 alter table migtest_e_history2_history drop column test_string3;
 
+alter table migtest_e_history5 drop column test_boolean;
+alter table migtest_e_history5_history drop column test_boolean;
+
 alter table migtest_e_softdelete drop column deleted;
 
 alter table migtest_oto_child drop column master_id;
@@ -38,17 +43,33 @@ alter table migtest_oto_child drop column master_id;
 drop table if exists migtest_e_user;
 drop table if exists migtest_mtm_c_migtest_mtm_m;
 drop table if exists migtest_mtm_m_migtest_mtm_c;
+create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
+
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
+lock tables migtest_e_history2 write, migtest_e_history5 write;
 -- changes: [drop test_string2, drop test_string3]
-lock tables migtest_e_history2 write;
 drop trigger migtest_e_history2_history_upd;
 drop trigger migtest_e_history2_history_del;
 delimiter $$
 create trigger migtest_e_history2_history_upd before update on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2);
     set NEW.sys_period_start = now(6);
 end$$
 delimiter $$
 create trigger migtest_e_history2_history_del before delete on migtest_e_history2 for each row begin
-    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period_start,sys_period_end,id, test_string, obsolete_string2) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_string, OLD.obsolete_string2);
+end$$
+-- changes: [drop test_boolean]
+drop trigger migtest_e_history5_history_upd;
+drop trigger migtest_e_history5_history_del;
+delimiter $$
+create trigger migtest_e_history5_history_upd before update on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
+    set NEW.sys_period_start = now(6);
+end$$
+delimiter $$
+create trigger migtest_e_history5_history_del before delete on migtest_e_history5 for each row begin
+    insert into migtest_e_history5_history (sys_period_start,sys_period_end,id, test_number) values (OLD.sys_period_start, now(6),OLD.id, OLD.test_number);
 end$$
 unlock tables;

src/test/resources/dbmigration/migrationtest/oracle/1.0__initial.sql

@@ -95,10 +95,41 @@ create sequence migtest_e_history_seq;
 create table migtest_e_history2 (
   id                            number(10) not null,
   test_string                   varchar2(255),
+  obsolete_string1              varchar2(255),
+  obsolete_string2              varchar2(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 create sequence migtest_e_history2_seq;
 
+create table migtest_e_history3 (
+  id                            number(10) not null,
+  test_string                   varchar2(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+create sequence migtest_e_history3_seq;
+
+create table migtest_e_history4 (
+  id                            number(10) not null,
+  test_number                   number(10),
+  constraint pk_migtest_e_history4 primary key (id)
+);
+create sequence migtest_e_history4_seq;
+
+create table migtest_e_history5 (
+  id                            number(10) not null,
+  test_number                   number(10),
+  constraint pk_migtest_e_history5 primary key (id)
+);
+create sequence migtest_e_history5_seq;
+
+create table migtest_e_history6 (
+  id                            number(10) not null,
+  test_number1                  number(10),
+  test_number2                  number(10) not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+create sequence migtest_e_history6_seq;
+
 create table migtest_e_ref (
   id                            number(10) not null,
   name                          varchar2(127) not null,

src/test/resources/dbmigration/migrationtest/oracle/1.1.sql

@@ -66,12 +66,22 @@ comment on column migtest_e_history.test_string is 'Column altered to long now';
 alter table migtest_e_history modify test_string number(19);
 comment on table migtest_e_history is 'We have history now';
 
+-- NOTE: table has @History - special migration may be necessary
 update migtest_e_history2 set test_string = 'unknown' where test_string is null;
 alter table migtest_e_history2 modify test_string default 'unknown';
 alter table migtest_e_history2 modify test_string not null;
 alter table migtest_e_history2 add column test_string2 varchar2(255);
 alter table migtest_e_history2 add column test_string3 varchar2(255) default 'unknown' not null;
 
+alter table migtest_e_history4 modify test_number number(19);
+alter table migtest_e_history5 add column test_boolean number(1) default 0 not null;
+
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number1 = 42 where test_number1 is null;
+alter table migtest_e_history6 modify test_number1 default 42;
+alter table migtest_e_history6 modify test_number1 not null;
+alter table migtest_e_history6 modify test_number2 null;
 alter table migtest_e_softdelete add column deleted number(1) default 0 not null;
 
 alter table migtest_oto_child add column master_id number(19);

src/test/resources/dbmigration/migrationtest/oracle/1.2__dropsFor_1.1.sql

@@ -6,5 +6,9 @@ alter table migtest_e_basic drop column old_boolean2;
 
 alter table migtest_e_basic drop column eref_id;
 
+alter table migtest_e_history2 drop column obsolete_string1;
+
+alter table migtest_e_history2 drop column obsolete_string2;
+
 drop table migtest_e_ref cascade constraints purge;
 drop sequence migtest_e_ref_seq;

src/test/resources/dbmigration/migrationtest/oracle/1.3.sql

@@ -41,6 +41,17 @@ comment on column migtest_e_history.test_string is '';
 comment on table migtest_e_history is '';
 alter table migtest_e_history2 modify test_string drop default;
 alter table migtest_e_history2 modify test_string null;
+alter table migtest_e_history2 add column obsolete_string1 varchar2(255);
+alter table migtest_e_history2 add column obsolete_string2 varchar2(255);
+
+alter table migtest_e_history4 modify test_number number(10);
+alter table migtest_e_history6 modify test_number1 drop default;
+alter table migtest_e_history6 modify test_number1 null;
+
+-- NOTE: table has @History - special migration may be necessary
+update migtest_e_history6 set test_number2 = 7 where test_number2 is null;
+alter table migtest_e_history6 modify test_number2 default 7;
+alter table migtest_e_history6 modify test_number2 not null;
 create index ix_migtest_e_basic_indextest1 on migtest_e_basic (indextest1);
 create index ix_migtest_e_basic_indextest5 on migtest_e_basic (indextest5);
 drop index ix_migtest_e_basic_indextest3;

src/test/resources/dbmigration/migrationtest/oracle/1.4__dropsFor_1.3.sql

@@ -20,6 +20,8 @@ alter table migtest_e_history2 drop column test_string2;
 
 alter table migtest_e_history2 drop column test_string3;
 
+alter table migtest_e_history5 drop column test_boolean;
+
 alter table migtest_e_softdelete drop column deleted;
 
 alter table migtest_oto_child drop column master_id;

src/test/resources/dbmigration/migrationtest/postgres/1.0__initial.sql

@@ -85,9 +85,36 @@ create table migtest_e_history (
 create table migtest_e_history2 (
   id                            serial not null,
   test_string                   varchar(255),
+  obsolete_string1              varchar(255),
+  obsolete_string2              varchar(255),
   constraint pk_migtest_e_history2 primary key (id)
 );
 
+create table migtest_e_history3 (
+  id                            serial not null,
+  test_string                   varchar(255),
+  constraint pk_migtest_e_history3 primary key (id)
+);
+
+create table migtest_e_history4 (
+  id                            serial not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history4 primary key (id)
+);
+
+create table migtest_e_history5 (
+  id                            serial not null,
+  test_number                   integer,
+  constraint pk_migtest_e_history5 primary key (id)
+);
+
+create table migtest_e_history6 (
+  id                            serial not null,
+  test_number1                  integer,
+  test_number2                  integer not null,
+  constraint pk_migtest_e_history6 primary key (id)
+);
+
 create table migtest_e_ref (
   id                            serial not null,
   name                          varchar(127) not null,
@@ -140,14 +167,30 @@ alter table migtest_e_history2 add column sys_period tstzrange not null default
 create table migtest_e_history2_history(like migtest_e_history2);
 create view migtest_e_history2_with_history as select * from migtest_e_history2 union all select * from migtest_e_history2_history;
 
+alter table migtest_e_history3 add column sys_period tstzrange not null default tstzrange(current_timestamp, null);
+create table migtest_e_history3_history(like migtest_e_history3);
+create view migtest_e_history3_with_history as select * from migtest_e_history3 union all select * from migtest_e_history3_history;
+
+alter table migtest_e_history4 add column sys_period tstzrange not null default tstzrange(current_timestamp, null);
+create table migtest_e_history4_history(like migtest_e_history4);
+create view migtest_e_history4_with_history as select * from migtest_e_history4 union all select * from migtest_e_history4_history;
+
+alter table migtest_e_history5 add column sys_period tstzrange not null default tstzrange(current_timestamp, null);
+create table migtest_e_history5_history(like migtest_e_history5);
+create view migtest_e_history5_with_history as select * from migtest_e_history5 union all select * from migtest_e_history5_history;
+
+alter table migtest_e_history6 add column sys_period tstzrange not null default tstzrange(current_timestamp, null);
+create table migtest_e_history6_history(like migtest_e_history6);
+create view migtest_e_history6_with_history as select * from migtest_e_history6 union all select * from migtest_e_history6_history;
+
 create or replace function migtest_e_history2_history_version() returns trigger as $$
 begin
   if (TG_OP = 'UPDATE') then
-    insert into migtest_e_history2_history (sys_period,id, test_string) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period,id, test_string, obsolete_string2) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string, OLD.obsolete_string2);
     NEW.sys_period = tstzrange(current_timestamp,null);
     return new;
   elsif (TG_OP = 'DELETE') then
-    insert into migtest_e_history2_history (sys_period,id, test_string) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string);
+    insert into migtest_e_history2_history (sys_period,id, test_string, obsolete_string2) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string, OLD.obsolete_string2);
     return old;
   end if;
 end;
@@ -157,3 +200,71 @@ create trigger migtest_e_history2_history_upd
   before update or delete on migtest_e_history2
   for each row execute procedure migtest_e_history2_history_version();
 
+create or replace function migtest_e_history3_history_version() returns trigger as $$
+begin
+  if (TG_OP = 'UPDATE') then
+    insert into migtest_e_history3_history (sys_period,id, test_string) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string);
+    NEW.sys_period = tstzrange(current_timestamp,null);
+    return new;
+  elsif (TG_OP = 'DELETE') then
+    insert into migtest_e_history3_history (sys_period,id, test_string) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_string);
+    return old;
+  end if;
+end;
+$$ LANGUAGE plpgsql;
+
+create trigger migtest_e_history3_history_upd
+  before update or delete on migtest_e_history3
+  for each row execute procedure migtest_e_history3_history_version();
+
+create or replace function migtest_e_history4_history_version() returns trigger as $$
+begin
+  if (TG_OP = 'UPDATE') then
+    insert into migtest_e_history4_history (sys_period,id, test_number) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number);
+    NEW.sys_period = tstzrange(current_timestamp,null);
+    return new;
+  elsif (TG_OP = 'DELETE') then
+    insert into migtest_e_history4_history (sys_period,id, test_number) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number);
+    return old;
+  end if;
+end;
+$$ LANGUAGE plpgsql;
+
+create trigger migtest_e_history4_history_upd
+  before update or delete on migtest_e_history4
+  for each row execute procedure migtest_e_history4_history_version();
+
+create or replace function migtest_e_history5_history_version() returns trigger as $$
+begin
+  if (TG_OP = 'UPDATE') then
+    insert into migtest_e_history5_history (sys_period,id, test_number) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number);
+    NEW.sys_period = tstzrange(current_timestamp,null);
+    return new;
+  elsif (TG_OP = 'DELETE') then
+    insert into migtest_e_history5_history (sys_period,id, test_number) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number);
+    return old;
+  end if;
+end;
+$$ LANGUAGE plpgsql;
+
+create trigger migtest_e_history5_history_upd
+  before update or delete on migtest_e_history5
+  for each row execute procedure migtest_e_history5_history_version();
+
+create or replace function migtest_e_history6_history_version() returns trigger as $$
+begin
+  if (TG_OP = 'UPDATE') then
+    insert into migtest_e_history6_history (sys_period,id, test_number1, test_number2) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number1, OLD.test_number2);
+    NEW.sys_period = tstzrange(current_timestamp,null);
+    return new;
+  elsif (TG_OP = 'DELETE') then
+    insert into migtest_e_history6_history (sys_period,id, test_number1, test_number2) values (tstzrange(lower(OLD.sys_period), current_timestamp), OLD.id, OLD.test_number1, OLD.test_number2);
+    return old;
+  end if;
+end;
+$$ LANGUAGE plpgsql;
+
+create trigger migtest_e_history6_history_upd
+  before update or delete on migtest_e_history6
+  for each row execute procedure migtest_e_history6_history_version();
+