#1457 - Issue with @ManyToOne with @EmbeddedId where only some columns are insertable or updatable

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

@@ -357,14 +357,34 @@ public abstract class BeanPropertyAssoc<T> extends BeanProperty implements STree
    * Return true if this association is updateable.
    */
   public boolean isUpdateable() {
-    return tableJoin.columns().length <= 0 || tableJoin.columns()[0].isUpdateable();
+    TableJoinColumn[] columns = tableJoin.columns();
+    if (columns.length <= 0) {
+      return true;
+    }
+    for (TableJoinColumn column : columns) {
+      if (column.isUpdateable()) {
+        // at least 1 is updatable
+        return true;
+      }
+    }
+    return false;
   }
 
   /**
    * Return true if this association is insertable.
    */
   public boolean isInsertable() {
-    return tableJoin.columns().length <= 0 || tableJoin.columns()[0].isInsertable();
+    TableJoinColumn[] columns = tableJoin.columns();
+    if (columns.length <= 0) {
+      return true;
+    }
+    for (TableJoinColumn column : columns) {
+      if (column.isInsertable()) {
+        // at least 1 is insertable
+        return true;
+      }
+    }
+    return false;
   }
 
   /**
@@ -443,16 +463,18 @@ public abstract class BeanPropertyAssoc<T> extends BeanProperty implements STree
     String matchColumn = col.getForeignDbColumn();
     String localColumn = col.getLocalDbColumn();
     String localSqlFormula = col.getLocalSqlFormula();
+    boolean insertable = col.isInsertable();
+    boolean updateable = col.isUpdateable();
 
     for (int j = 0; j < props.length; j++) {
       if (props[j].getDbColumn().equalsIgnoreCase(matchColumn)) {
-        return new ImportedIdSimple(owner, localColumn, localSqlFormula, props[j], j);
+        return new ImportedIdSimple(owner, localColumn, localSqlFormula, props[j], j, insertable, updateable);
       }
     }
 
     for (int j = 0; j < others.length; j++) {
       if (others[j].getDbColumn().equalsIgnoreCase(matchColumn)) {
-        return new ImportedIdSimple(owner, localColumn, localSqlFormula, others[j], j + props.length);
+        return new ImportedIdSimple(owner, localColumn, localSqlFormula, others[j], j + props.length, insertable, updateable);
       }
     }
 

src/main/java/io/ebeaninternal/server/deploy/id/ImportedIdEmbedded.java

@@ -64,8 +64,11 @@ public class ImportedIdEmbedded implements ImportedId {
   @Override
   public void dmlAppend(GenerateDmlRequest request) {
 
+    boolean update = request.isUpdate();
     for (ImportedIdSimple anImported : imported) {
-      request.appendColumn(anImported.localDbColumn);
+      if (anImported.isInclude(update)) {
+        request.appendColumn(anImported.localDbColumn);
+      }
     }
   }
 
@@ -100,30 +103,28 @@ public class ImportedIdEmbedded implements ImportedId {
   @Override
   public Object bind(BindableRequest request, EntityBean bean) throws SQLException {
 
-    Object embeddedId = null;
-
-    if (bean != null) {
-      embeddedId = foreignAssocOne.getValue(bean);
-    }
+    Object embeddedId = (bean == null) ? null : foreignAssocOne.getValue(bean);
 
+    boolean update = request.isUpdate();
     if (embeddedId == null) {
       for (ImportedIdSimple anImported : imported) {
-        if (anImported.owner.isUpdateable()) {
+        if (anImported.isInclude(update)) {
           request.bind(null, anImported.foreignProperty);
         }
       }
+      // return anything non-null to skip a derived relationship update
+      return Object.class;
 
     } else {
       EntityBean embedded = (EntityBean) embeddedId;
       for (ImportedIdSimple anImported : imported) {
-        if (anImported.owner.isUpdateable()) {
+        if (anImported.isInclude(update)) {
           Object scalarValue = anImported.foreignProperty.getValue(embedded);
           request.bind(scalarValue, anImported.foreignProperty);
         }
       }
+      return embedded;
     }
-    // hmmm, not worrying about this just yet
-    return null;
   }
 
   @Override

src/main/java/io/ebeaninternal/server/deploy/id/ImportedIdSimple.java

@@ -47,15 +47,32 @@ public final class ImportedIdSimple implements ImportedId, Comparable<ImportedId
 
   protected final int position;
 
-  public ImportedIdSimple(BeanPropertyAssoc<?> owner, String localDbColumn, String localSqlFormula, BeanProperty foreignProperty, int position) {
+  /**
+   * If true include in insert.
+   */
+  private final boolean insertable;
+
+  /**
+   * If true include in update.
+   */
+  private final boolean updateable;
+
+  public ImportedIdSimple(BeanPropertyAssoc<?> owner, String localDbColumn, String localSqlFormula, BeanProperty foreignProperty, int position,
+                          boolean insertable, boolean updateable) {
     this.owner = owner;
     this.localDbColumn = InternString.intern(localDbColumn);
     this.localSqlFormula = InternString.intern(localSqlFormula);
     this.foreignProperty = foreignProperty;
     this.position = position;
+    this.insertable = insertable;
+    this.updateable = updateable;
     this.logicalName = InternString.intern(owner.getName() + "." + foreignProperty.getName());
   }
 
+  public ImportedIdSimple(BeanPropertyAssoc<?> owner, String localDbColumn, String localSqlFormula, BeanProperty foreignProperty, int position) {
+    this(owner, localDbColumn, localSqlFormula, foreignProperty, position, true, true);
+  }
+
   /**
    * Return the list as an array sorted into the same order as the Bean Properties.
    */
@@ -68,6 +85,13 @@ public final class ImportedIdSimple implements ImportedId, Comparable<ImportedId
     return importedIds;
   }
 
+  /**
+   * Return true if it should be included in the update (or insert).
+   */
+  public boolean isInclude(boolean update) {
+    return (update) ? updateable : insertable;
+  }
+
   @Override
   public boolean equals(Object obj) {
     // remove FindBugs warning

src/main/java/io/ebeaninternal/server/persist/dml/DeleteHandler.java

@@ -19,6 +19,11 @@ public class DeleteHandler extends DmlHandler {
     this.meta = meta;
   }
 
+  @Override
+  public boolean isUpdate() {
+    return false;
+  }
+
   /**
    * Generate and bind the delete statement.
    */

src/main/java/io/ebeaninternal/server/persist/dml/GenerateDmlRequest.java

@@ -29,10 +29,6 @@ public class GenerateDmlRequest {
     return this;
   }
 
-  public void appendColumnIsNull(String column) {
-    appendColumn(column, IS_NULL);
-  }
-
   public void appendColumn(String column) {
     //String bind = (insertMode > 0) ? "?" : "=?";
     appendColumn(column, "?");
@@ -91,4 +87,7 @@ public class GenerateDmlRequest {
     this.prefix2 = ", ";
   }
 
+  public boolean isUpdate() {
+    return insertMode == 0;
+  }
 }

src/main/java/io/ebeaninternal/server/persist/dml/InsertHandler.java

@@ -50,6 +50,11 @@ public class InsertHandler extends DmlHandler {
     this.concatinatedKey = meta.isConcatenatedKey();
   }
 
+  @Override
+  public boolean isUpdate() {
+    return false;
+  }
+
   /**
    * Generate and bind the insert statement.
    */

src/main/java/io/ebeaninternal/server/persist/dml/UpdateHandler.java

@@ -22,6 +22,11 @@ public class UpdateHandler extends DmlHandler {
     this.meta = meta;
   }
 
+  @Override
+  public boolean isUpdate() {
+    return true;
+  }
+
   /**
    * Generate and bind the update statement.
    */

src/main/java/io/ebeaninternal/server/persist/dmlbind/BindableRequest.java

@@ -59,4 +59,8 @@ public interface BindableRequest {
    */
   long now();
 
+  /**
+   * Return true if this is an update request.
+   */
+  boolean isUpdate();
 }

src/main/java/io/ebeaninternal/server/persist/dmlbind/FactoryAssocOnes.java

@@ -19,9 +19,7 @@ public class FactoryAssocOnes {
    */
   public void create(List<Bindable> list, BeanDescriptor<?> desc, DmlMode mode) {
 
-    BeanPropertyAssocOne<?>[] ones = desc.propertiesOneImported();
-
-    for (BeanPropertyAssocOne<?> one : ones) {
+    for (BeanPropertyAssocOne<?> one : desc.propertiesOneImported()) {
       if (!one.isImportedPrimaryKey()) {
         switch (mode) {
           case INSERT: