[maven-release-plugin] prepare release ebean-parent-12.16.0

protected not needed on final classes

.github/workflows/build.yml

@@ -31,6 +31,10 @@ jobs:
         path:
           ~/.m2
         key: build-${{ env.cache-name }}
+    - name: Maven version
+      run: mvn --version
+#    - name: Maven single test
+#      run: mvn --batch-mode clean verify -Dtest="io.ebeaninternal.server.core.DefaultServer_getReferenceTest" -DfailIfNoTests=false
     - name: Build with Maven
-      run: mvn package
+      run: mvn clean package
 

.github/workflows/db2luw.yml

@@ -0,0 +1,38 @@
+
+name: DB2 LUW
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 8 * * 2,5'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [11]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Java
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java_version }}
+        distribution: 'adopt'
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: db2
+      run: mvn clean test -Dprops.file=testconfig/ebean-db2.properties

.github/workflows/h2database.yml

@@ -0,0 +1,41 @@
+
+name: H2Database
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 1 * * *'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [11]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Java
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java_version }}
+        distribution: 'zulu'
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: Maven version
+      run: mvn --version
+    - name: H2Database
+      run: mvn clean package
+

.github/workflows/jdk-18-ea.yml

@@ -3,8 +3,8 @@ name: JDK 18-ea
 
 on:
   workflow_dispatch:
-#  schedule:
-#    - cron: '30 6 * * *'
+  schedule:
+    - cron: '30 6 * * 1,3,5'
 
 jobs:
   build:

.github/workflows/jdk-ea.yml

@@ -0,0 +1,39 @@
+
+name: JDK EA
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '39 6 * * 1,3,5'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [17,18,19,loom,valhalla,metropolis,panama]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Java
+      uses: oracle-actions/setup-java@v1
+      with:
+        website: jdk.java.net
+        release: ${{ matrix.java_version }}
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: Build with Maven
+      run: mvn package
+

.github/workflows/mariadb.yml

@@ -1,7 +1,10 @@
 
-name: MariaDB 10.6
+name: MariaDB
 
-on: [workflow_dispatch]
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 7 * * 1,4'
 
 jobs:
   build:

.github/workflows/multi-db-platform.yml

@@ -1,5 +1,5 @@
 
-name: Multi-database platform test
+name: Multi-database platform
 
 on: [workflow_dispatch]
 
@@ -31,15 +31,21 @@ jobs:
         path:
           ~/.m2
         key: build-${{ env.cache-name }}
-    - name: h2
+    - name: h2database
       run: mvn clean test
     - name: postgres
       run: mvn clean test -Dprops.file=testconfig/ebean-postgres.properties
     - name: mysql
       run: mvn clean test -Dprops.file=testconfig/ebean-mysql.properties
-    - name: sqlserver 2019
-      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver19.properties
-    - name: sqlserver 2017
-      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver17.properties
     - name: mariadb
       run: mvn clean test -Dprops.file=testconfig/ebean-mariadb.properties
+    - name: yugabyte
+      run: mvn clean test -Dprops.file=testconfig/ebean-yugabyte.properties
+    - name: sqlserver
+      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver17.properties
+#    - name: sqlserver19
+#      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver19.properties
+#    - name: db2
+#      run: mvn clean test -Dprops.file=testconfig/ebean-db2.properties
+#    - name: oracle
+#      run: mvn clean test -Dprops.file=testconfig/ebean-oracle.properties

.github/workflows/oracle18.yml

@@ -0,0 +1,38 @@
+
+name: Oracle18
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 6 * * 1,4'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [11]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Java
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java_version }}
+        distribution: 'zulu'
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: oracle
+      run: mvn clean test -Dprops.file=testconfig/ebean-oracle.properties

.github/workflows/sqlserver-2019.yml

@@ -1,5 +1,5 @@
 
-name: SqlServer 2019 latest
+name: SqlServer 2019
 
 on: [workflow_dispatch]
 

.github/workflows/sqlserver.yml

@@ -1,7 +1,10 @@
 
-name: SqlServer 2017 latest
+name: SqlServer
 
-on: [workflow_dispatch]
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 7 * * 2,5'
 
 jobs:
   build:
@@ -31,7 +34,5 @@ jobs:
         path:
           ~/.m2
         key: build-${{ env.cache-name }}
-#    - name: sqlserver 2019 latest
-#      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver.properties
-    - name: sqlserver 2017 latest
+    - name: sqlserver 2017
       run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver17.properties

.github/workflows/yugabyte.yml

@@ -0,0 +1,38 @@
+
+name: Yugabyte
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 3 * * *'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [11]
+        os: [ubuntu-latest]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Java
+      uses: actions/setup-java@v2
+      with:
+        java-version: ${{ matrix.java_version }}
+        distribution: 'adopt'
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: yugabyte
+      run: mvn clean test -Dprops.file=testconfig/ebean-yugabyte.properties

LICENSE

@@ -0,0 +1,201 @@
+                                 Apache License
+                           Version 2.0, January 2004
+                        http://www.apache.org/licenses/
+
+   TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
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+      agreed to in writing, Licensor provides the Work (and each
+      Contributor provides its Contributions) on an "AS IS" BASIS,
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+      whether in tort (including negligence), contract, or otherwise,
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+      on Your own behalf and on Your sole responsibility, not on behalf
+      of any other Contributor, and only if You agree to indemnify,
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+      of your accepting any such warranty or additional liability.
+
+   END OF TERMS AND CONDITIONS
+
+   APPENDIX: How to apply the Apache License to your work.
+
+      To apply the Apache License to your work, attach the following
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+   Copyright 2012 Authors
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.

LICENSE.TXT

@@ -1,15 +0,0 @@
-EbeanORM
-
-Copyright 2012 Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.

README.md

@@ -4,10 +4,12 @@
 [![Multi-JDK Build](https://github.com/ebean-orm/ebean/actions/workflows/multi-jdk-build.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/multi-jdk-build.yml)
 [![JDK 18-ea](https://github.com/ebean-orm/ebean/actions/workflows/jdk-18-ea.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/jdk-18-ea.yml)
 
+[![H2Database](https://github.com/ebean-orm/ebean/actions/workflows/h2database.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/h2database.yml)
 [![Postgres](https://github.com/ebean-orm/ebean/actions/workflows/postgres.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/postgres.yml)
 [![MySql](https://github.com/ebean-orm/ebean/actions/workflows/mysql.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/mysql.yml)
-[![MariaDB](https://github.com/ebean-orm/ebean/actions/workflows/mariadb-10.6.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/mariadb-10.6.yml)
-[![SqlServer](https://github.com/ebean-orm/ebean/actions/workflows/sqlserver-2017-latest.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/sqlserver-2017-latest.yml)
+[![MariaDB](https://github.com/ebean-orm/ebean/actions/workflows/mariadb.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/mariadb.yml)
+[![SqlServer](https://github.com/ebean-orm/ebean/actions/workflows/sqlserver.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/sqlserver.yml)
+[![Yugabyte](https://github.com/ebean-orm/ebean/actions/workflows/yugabyte.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/yugabyte.yml)
 
 # Sponsors
 <table>
@@ -49,6 +51,3 @@ Goto [https://ebean.io/docs/](https://ebean.io/docs/)
 
 [Maven central - all related projects](http://search.maven.org/#search%7Cga%7C1%7Cebean "maven central all related projects")
 
-## Other versions
-* [![Maven Central : ebean-agent](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean-agent/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean-agent) - ebean-agent
-* [![Maven Central : ebean-maven-plugin](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean-maven-plugin/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean-maven-plugin) - ebean-maven-plugin

ebean-api/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.13.2</version>
+    <version>12.16.0</version>
   </parent>
 
   <name>ebean api</name>
@@ -27,7 +27,7 @@
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>avaje-config</artifactId>
-      <version>1.5</version>
+      <version>1.7</version>
     </dependency>
 
     <!--
@@ -49,7 +49,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-annotation</artifactId>
-      <version>7.3</version>
+      <version>7.6</version>
     </dependency>
 
     <dependency>
@@ -85,7 +85,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.4.199</version>
+      <version>${h2database.version}</version>
       <optional>true</optional>
     </dependency>
 
@@ -106,7 +106,7 @@
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>junit</artifactId>
-      <version>1.0</version>
+      <version>1.1</version>
       <scope>test</scope>
     </dependency>
 

ebean-api/pom.xml.releaseBackup

@@ -1,130 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>ebean-parent</artifactId>
-    <groupId>io.ebean</groupId>
-    <version>12.13.2-SNAPSHOT</version>
-  </parent>
-
-  <name>ebean api</name>
-  <description>ebean api</description>
-  <artifactId>ebean-api</artifactId>
-
-  <dependencies>
-
-    <!--
-    Projects are expected to explicit depend on version
-    of slf4j that they want to use
-    -->
-    <dependency>
-      <groupId>org.slf4j</groupId>
-      <artifactId>slf4j-api</artifactId>
-      <version>1.7.30</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-config</artifactId>
-      <version>1.5</version>
-    </dependency>
-
-    <!--
-    Class retention Nonnull and Nullable annotations
-    to assist with IDE auto-completion with Ebean API
-    -->
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-lang</artifactId>
-      <version>1.0</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>persistence-api</artifactId>
-      <version>2.2.5</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-annotation</artifactId>
-      <version>7.3</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-types</artifactId>
-      <version>2.2</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-datasource-api</artifactId>
-      <version>${ebean-datasource.version}</version>
-    </dependency>
-
-    <!-- Jackson core used internally by Ebean -->
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-core</artifactId>
-      <version>${jackson.version}</version>
-      <optional>true</optional>
-    </dependency>
-
-    <!-- provided scope for JsonNode support -->
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-databind</artifactId>
-      <version>${jackson.version}</version>
-      <optional>true</optional>
-    </dependency>
-
-    <!-- Provided scope so that the H2HistoryTrigger can live in Ebean core
-     and not require a separate module for it -->
-    <dependency>
-      <groupId>com.h2database</groupId>
-      <artifactId>h2</artifactId>
-      <version>1.4.199</version>
-      <optional>true</optional>
-    </dependency>
-
-    <dependency>
-      <groupId>javax.transaction</groupId>
-      <artifactId>jta</artifactId>
-      <version>1.1</version>
-      <optional>true</optional>
-    </dependency>
-
-    <dependency>
-      <groupId>javax.servlet</groupId>
-      <artifactId>javax.servlet-api</artifactId>
-      <version>3.1.0</version>
-      <optional>true</optional>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>junit</artifactId>
-      <version>1.0</version>
-      <scope>test</scope>
-    </dependency>
-
-  </dependencies>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>io.repaint.maven</groupId>
-        <artifactId>tiles-maven-plugin</artifactId>
-        <version>2.24</version>
-        <extensions>true</extensions>
-        <configuration>
-          <tiles>
-            <tile>io.avaje.tile:moditech-module:1.0</tile>
-          </tiles>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
-</project>

ebean-api/src/main/java/io/ebean/ScriptRunner.java

@@ -1,6 +1,7 @@
 package io.ebean;
 
 import java.net.URL;
+import java.nio.file.Path;
 import java.util.Map;
 
 /**
@@ -23,10 +24,10 @@ public interface ScriptRunner {
   /**
    * Run a script given the resource path (that should start with "/").
    */
-  void run(String path);
+  void run(String resourcePath);
 
   /**
-   * Run a script given the resource path (that should start with "/") and place holders.
+   * Run a script given the resource path (that should start with "/") and place-holders.
    *
    * <pre>{@code
    *
@@ -38,7 +39,7 @@ public interface ScriptRunner {
    *
    * }</pre>
    */
-  void run(String path, Map<String, String> placeholderMap);
+  void run(String resourcePath, Map<String, String> placeholderMap);
 
   /**
    * Run a DDL or SQL script given the resource.
@@ -46,10 +47,20 @@ public interface ScriptRunner {
   void run(URL resource);
 
   /**
-   * Run a DDL or SQL script given the resource and place holders.
+   * Run a DDL or SQL script given the resource and place-holders.
    */
   void run(URL resource, Map<String, String> placeholderMap);
 
+  /**
+   * Run a DDL or SQL script given the file.
+   */
+  void run(Path file);
+
+  /**
+   * Run a DDL or SQL script given the file and place-holders.
+   */
+  void run(Path file, Map<String, String> placeholderMap);
+
   /**
    * Run the raw provided DDL or SQL script.
    *

ebean-api/src/main/java/io/ebean/Version.java

@@ -98,4 +98,14 @@ public class Version<T> {
   public Map<String, ValuePair> getDiff() {
     return diff;
   }
+
+  @Override
+  public String toString() {
+    return "Version{" +
+      "bean=" + bean +
+      ", start=" + start +
+      ", end=" + end +
+      ", diff=" + diff +
+      '}';
+  }
 }

ebean-api/src/main/java/io/ebean/bean/EntityBeanIntercept.java

@@ -360,7 +360,7 @@ public final class EntityBeanIntercept implements Serializable {
    * Return true if the entity should be updated.
    */
   public boolean isUpdate() {
-    return forceUpdate || state == STATE_LOADED;
+    return forceUpdate || state == STATE_LOADED || state == STATE_REFERENCE;
   }
 
   /**
@@ -829,7 +829,7 @@ public final class EntityBeanIntercept implements Serializable {
   /**
    * Load the bean when it is a reference.
    */
-  protected void loadBean(int loadProperty) {
+  void loadBean(int loadProperty) {
     lock.lock();
     try {
       if (beanLoader == null) {
@@ -886,7 +886,7 @@ public final class EntityBeanIntercept implements Serializable {
    * Helper method to check if two objects are equal.
    */
   @SuppressWarnings({"unchecked", "rawtypes"})
-  protected static boolean notEqual(Object obj1, Object obj2) {
+  static boolean notEqual(Object obj1, Object obj2) {
     if (obj1 == null) {
       return (obj2 != null);
     }

ebean-api/src/main/java/io/ebean/config/BackgroundExecutorWrapper.java

@@ -0,0 +1,42 @@
+package io.ebean.config;
+
+import java.util.concurrent.Callable;
+
+/**
+ * BackgroundExecutorWrapper that can be used to wrap tasks that are sent to background (i.e. another thread).
+ * It should copy all necessary thread-local variables. See {@link MdcBackgroundExecutorWrapper} for implementation details.
+ *
+ * @author Roland Praml, FOCONIS AG
+ */
+public interface BackgroundExecutorWrapper {
+
+  /**
+   * Wrap the task with MDC context if defined.
+   */
+  <T> Callable<T> wrap(Callable<T> task);
+
+  /**
+   * Wrap the task with MDC context if defined.
+   */
+  Runnable wrap(Runnable task);
+
+  /**
+   * Combines two wrappers by nesting them.
+   */
+  default BackgroundExecutorWrapper with(BackgroundExecutorWrapper inner) {
+    return new BackgroundExecutorWrapper() {
+
+      @Override
+      public Runnable wrap(Runnable task) {
+        return BackgroundExecutorWrapper.this.wrap(inner.wrap(task));
+      }
+
+      @Override
+      public <T> Callable<T> wrap(Callable<T> task) {
+        return BackgroundExecutorWrapper.this.wrap(inner.wrap(task));
+      }
+    };
+
+  }
+
+}

ebean-api/src/main/java/io/ebean/config/DatabaseConfig.java

@@ -371,6 +371,33 @@ public class DatabaseConfig {
    */
   private String uuidStateFile;
 
+  /**
+   * The node id (=mac address) for Version 1 UUIDs. There are several options:
+   * <ul>
+   * <li><code>null</code> (default) The generator tries to get the hardwarwe MAC
+   * address. If this fails, it will fall back to 'generate' mode.</li>
+   * <li><code>"generate"</code> Hardware detection is skipped. It generates a
+   * random identifier and tries to persist this to the state file. This nodeId
+   * will be reused on next start. If persisting to the state file will fail also,
+   * it will fall back to 'random' mode.<br>
+   * This mode is good, if the MAC address is not reliable, e.g. if you run
+   * multiple ebean instances on the same machine.</li>
+   * <li><code>"random"</code> In this mode, a random node id is generated on each
+   * start. No stateFile is used. it will generate a new nodeId on each
+   * application start.<br>
+   * This mode is good, if you have no write access to save the state file.</li>
+   * <li><code>"xx-xx-xx-xx-xx-xx"</code> When an explicit nodeId is specified,
+   * this one is used.</li>
+   * </ul>
+   * Note: It is possible that multiple servers are sharing the same state file as
+   * long as they are in the <b>same</b> JVM/ClassLoader scope. In this case it is
+   * recommended to use the same uuidNodeId configuration.
+   * 
+   * If you have multiple servers in different JVMs, do <b>not</b> share the state
+   * files!
+   */
+  private String uuidNodeId;
+  
   /**
    * The clock used for setting the timestamps (e.g. @UpdatedTimestamp) on objects.
    */
@@ -418,6 +445,7 @@ public class DatabaseConfig {
 
   private int backgroundExecutorSchedulePoolSize = 1;
   private int backgroundExecutorShutdownSecs = 30;
+  private BackgroundExecutorWrapper backgroundExecutorWrapper = new MdcBackgroundExecutorWrapper();
 
   // defaults for the L2 bean caching
 
@@ -1436,6 +1464,20 @@ public class DatabaseConfig {
     this.backgroundExecutorShutdownSecs = backgroundExecutorShutdownSecs;
   }
 
+  /**
+   * Return the background executor wrapper.
+   */
+  public BackgroundExecutorWrapper getBackgroundExecutorWrapper() {
+    return backgroundExecutorWrapper;
+  }
+
+  /**
+   * Sets the background executor wrapper. The wrapper is used when a task is sent to background and should copy the thread-locals.
+   */
+  public void setBackgroundExecutorWrapper(BackgroundExecutorWrapper backgroundExecutorWrapper) {
+    this.backgroundExecutorWrapper = backgroundExecutorWrapper;
+  }
+
   /**
    * Return the L2 cache default max size.
    */
@@ -2019,6 +2061,20 @@ public class DatabaseConfig {
   public void setUuidStateFile(String uuidStateFile) {
     this.uuidStateFile = uuidStateFile;
   }
+  
+  /**
+   * Returns the V1-UUID-NodeId 
+   */
+  public String getUuidNodeId() {
+    return uuidNodeId;
+  }
+  
+  /**
+   * Sets the V1-UUID-NodeId.
+   */
+  public void setUuidNodeId(String uuidNodeId) {
+    this.uuidNodeId = uuidNodeId;
+  }
 
   /**
    * Return true if LocalTime should be persisted with nanos precision.
@@ -2843,6 +2899,7 @@ public class DatabaseConfig {
 
     backgroundExecutorSchedulePoolSize = p.getInt("backgroundExecutorSchedulePoolSize", backgroundExecutorSchedulePoolSize);
     backgroundExecutorShutdownSecs = p.getInt("backgroundExecutorShutdownSecs", backgroundExecutorShutdownSecs);
+    backgroundExecutorWrapper = p.createInstance(BackgroundExecutorWrapper.class, "backgroundExecutorWrapper", backgroundExecutorWrapper);
     disableClasspathSearch = p.getBoolean("disableClasspathSearch", disableClasspathSearch);
     currentUserProvider = p.createInstance(CurrentUserProvider.class, "currentUserProvider", currentUserProvider);
     databasePlatform = p.createInstance(DatabasePlatform.class, "databasePlatform", databasePlatform);
@@ -2888,6 +2945,7 @@ public class DatabaseConfig {
 
     uuidVersion = p.getEnum(UuidVersion.class, "uuidVersion", uuidVersion);
     uuidStateFile = p.get("uuidStateFile", uuidStateFile);
+    uuidNodeId = p.get("uuidNodeId", uuidNodeId);
 
     localTimeWithNanos = p.getBoolean("localTimeWithNanos", localTimeWithNanos);
     jodaLocalTimeMode = p.get("jodaLocalTimeMode", jodaLocalTimeMode);

ebean-api/src/main/java/io/ebean/config/MdcBackgroundExecutorWrapper.java

@@ -0,0 +1,52 @@
+package io.ebean.config;
+
+import org.slf4j.MDC;
+
+import java.util.Map;
+import java.util.concurrent.Callable;
+
+/**
+ * Propagates MDC context for tasks executed in the background.
+ */
+public final class MdcBackgroundExecutorWrapper implements BackgroundExecutorWrapper {
+
+  /**
+   * Wrap the task with MDC context if defined.
+   */
+  @Override
+  public <T> Callable<T> wrap(Callable<T> task) {
+    final Map<String, String> map = MDC.getCopyOfContextMap();
+    if (map == null) {
+      return task;
+    } else {
+      return () -> {
+        MDC.setContextMap(map);
+        try {
+          return task.call();
+        } finally {
+          MDC.clear();
+        }
+      };
+    }
+  }
+
+  /**
+   * Wrap the task with MDC context if defined.
+   */
+  @Override
+  public Runnable wrap(Runnable task) {
+    final Map<String, String> map = MDC.getCopyOfContextMap();
+    if (map == null) {
+      return task;
+    } else {
+      return () -> {
+        MDC.setContextMap(map);
+        try {
+          task.run();
+        } finally {
+          MDC.clear();
+        }
+      };
+    }
+  }
+}

ebean-api/src/main/java/io/ebean/config/PlatformConfig.java

@@ -66,6 +66,8 @@ public class PlatformConfig {
 
   private boolean caseSensitiveCollation = true;
 
+  private boolean useMigrationStoredProcedures = false;
+
   /**
    * Modify the default mapping of standard types such as default precision for DECIMAL etc.
    */
@@ -90,6 +92,7 @@ public class PlatformConfig {
     this.geometrySRID = platformConfig.geometrySRID;
     this.dbUuid = platformConfig.dbUuid;
     this.caseSensitiveCollation = platformConfig.caseSensitiveCollation;
+    this.useMigrationStoredProcedures = platformConfig.useMigrationStoredProcedures;
     this.allQuotedIdentifiers = platformConfig.allQuotedIdentifiers;
     this.databaseInetAddressVarchar = platformConfig.databaseInetAddressVarchar;
     this.customDbTypeMappings = platformConfig.customDbTypeMappings;
@@ -142,6 +145,20 @@ public class PlatformConfig {
     this.caseSensitiveCollation = caseSensitiveCollation;
   }
 
+  /**
+   * Return true if force use of helper stored procedures for migrations.
+   */
+  public boolean isUseMigrationStoredProcedures() {
+    return useMigrationStoredProcedures;
+  }
+
+  /**
+   * Set true to force use of helper stored procedures for migrations.
+   */
+  public void setUseMigrationStoredProcedures(boolean useMigrationStoredProcedures) {
+    this.useMigrationStoredProcedures = useMigrationStoredProcedures;
+  }
+
   /**
    * Return true if Postgres FOR UPDATE should use the NO KEY option.
    */
@@ -317,6 +334,7 @@ public class PlatformConfig {
     databaseBooleanFalse = p.get("databaseBooleanFalse", databaseBooleanFalse);
     databaseInetAddressVarchar = p.getBoolean("databaseInetAddressVarchar", databaseInetAddressVarchar);
     caseSensitiveCollation = p.getBoolean("caseSensitiveCollation", caseSensitiveCollation);
+    useMigrationStoredProcedures = p.getBoolean("useMigrationStoredProcedures", useMigrationStoredProcedures);
 
     DbUuid dbUuid = p.getEnum(DbUuid.class, "dbuuid", null);
     if (dbUuid != null) {

ebean-api/src/main/java/io/ebean/config/dbplatform/BasicSqlAnsiLimiter.java

@@ -7,13 +7,10 @@ public class BasicSqlAnsiLimiter implements BasicSqlLimiter {
 
   @Override
   public String limit(String dbSql, int firstRow, int maxRows) {
-
     StringBuilder sb = new StringBuilder(50 + dbSql.length());
-
     sb.append(dbSql);
     if (firstRow > 0) {
-      sb.append(" ").append("offset");
-      sb.append(" ").append(firstRow).append(" rows");
+      sb.append(" offset ").append(firstRow).append(" rows");
     }
     if (maxRows > 0) {
       sb.append(" fetch next ").append(maxRows).append(" rows only");

ebean-api/src/main/java/io/ebean/config/dbplatform/DatabasePlatform.java

@@ -15,6 +15,7 @@ import javax.persistence.PersistenceException;
 import javax.sql.DataSource;
 import java.sql.Connection;
 import java.sql.DatabaseMetaData;
+import java.sql.PreparedStatement;
 import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Statement;
@@ -53,6 +54,17 @@ public class DatabasePlatform {
 
   protected boolean supportsSavepointId = true;
 
+  protected boolean useMigrationStoredProcedures = false;
+
+  /**
+   * Can we use native java time API objects in
+   * {@link ResultSet#getObject(int, Class)} and
+   * {@link PreparedStatement#setObject(int, Object)}.
+   *
+   * Not all drivers (DB2 e.g.) will support this.
+   */
+  protected boolean supportsNativeJavaTime = true;
+
   /**
    * The behaviour used when ending a read only transaction at read committed isolation level.
    */
@@ -202,6 +214,8 @@ public class DatabasePlatform {
    */
   protected PersistBatch persistBatchOnCascade = PersistBatch.ALL;
 
+  protected int maxInBinding;
+
   /**
    * The maximum length of table names - used specifically when derived
    * default table names for intersection tables.
@@ -237,6 +251,7 @@ public class DatabasePlatform {
   public void configure(PlatformConfig config) {
     this.sequenceBatchSize = config.getDatabaseSequenceBatchSize();
     this.caseSensitiveCollation = config.isCaseSensitiveCollation();
+    this.useMigrationStoredProcedures = config.isUseMigrationStoredProcedures();
     configureIdType(config.getIdType());
     configure(config, config.isAllQuotedIdentifiers());
   }
@@ -343,6 +358,13 @@ public class DatabasePlatform {
     return supportsSavepointId;
   }
 
+  /**
+   * Return true if migrations should use stored procedures.
+   */
+  public boolean isUseMigrationStoredProcedures() {
+    return useMigrationStoredProcedures;
+  }
+
   /**
    * Return true if the platform supports LIMIT with sql update.
    */
@@ -350,6 +372,13 @@ public class DatabasePlatform {
     return inlineSqlUpdateLimit;
   }
 
+  /**
+   * Return the maximum number of bind values this database platform allows or zero for no limit.
+   */
+  public int getMaxInBinding() {
+    return maxInBinding;
+  }
+
   /**
    * Return the maximum table name length.
    * <p>
@@ -573,11 +602,8 @@ public class DatabasePlatform {
     this.supportsResultSetConcurrencyModeUpdatable = supportsResultSetConcurrencyModeUpdatable;
   }
 
-  /**
-   * Normally not needed - overridden in CockroachPlatform.
-   */
-  public boolean isDdlAutoCommit() {
-    return false;
+  public void setUseMigrationStoredProcedures(final boolean useMigrationStoredProcedures) {
+    this.useMigrationStoredProcedures = useMigrationStoredProcedures;
   }
 
   /**
@@ -813,4 +839,8 @@ public class DatabasePlatform {
   protected void escapeLikeCharacter(char ch, StringBuilder sb) {
     sb.append(likeEscapeChar).append(ch);
   }
+
+  public boolean supportsNativeJavaTime() {
+    return supportsNativeJavaTime;
+  }
 }

ebean-api/src/main/java/io/ebean/config/dbplatform/SqlCodeTranslator.java

@@ -31,14 +31,39 @@ public class SqlCodeTranslator implements SqlExceptionTranslator {
     this.map = Collections.emptyMap();
   }
 
-  @Override
-  public PersistenceException translate(String message, SQLException e) {
-
+  private DataErrorType getErrorType(SQLException e) {
     DataErrorType errorType = map.get(e.getSQLState());
     if (errorType == null) {
       // fall back to error code
       errorType = map.get(String.valueOf(e.getErrorCode()));
     }
+    return errorType;
+  }
+
+  @Override
+  public PersistenceException translate(String message, SQLException e) {
+
+    DataErrorType errorType = getErrorType(e);
+    // for DB2 we must inspect the sql exception chain to determine which
+    // persistence error occurred in a batch execution. We also concatenate
+    // the error messages to improve error analysis.
+    SQLException chain = e.getNextException();
+    if (chain != null) {
+      StringBuilder sb = new StringBuilder(message);
+      int i = 1;
+      while (chain != null && i < 100000) { // prevents from endless loop
+        sb.append("\n\t#").append(i++).append(": ").append(chain.getMessage());
+        if (errorType == null) {
+          errorType = getErrorType(chain);
+          if (errorType != null) {
+            sb.append(" (causing error)"); // mark the line, where we found a matching error code
+          }
+        }
+        chain = chain.getNextException();
+      }
+      message = sb.toString();
+    }
+
     if (errorType != null) {
       switch (errorType) {
         case AcquireLock:

ebean-api/src/main/java/io/ebean/config/dbplatform/clickhouse/ClickHousePlatform.java

@@ -18,6 +18,8 @@ public class ClickHousePlatform extends DatabasePlatform {
     //this.exceptionTranslator =
     this.nativeUuidType = true;
     this.dbDefaultValue.setNow("now()");
+    this.dbDefaultValue.setFalse("0");
+    this.dbDefaultValue.setTrue("1");
 
     this.dbIdentity.setIdType(IdType.IDENTITY);
     this.dbIdentity.setSupportsGetGeneratedKeys(false);

ebean-api/src/main/java/io/ebean/config/dbplatform/cockroach/CockroachPlatform.java

@@ -11,18 +11,7 @@ public class CockroachPlatform extends PostgresPlatform {
   public CockroachPlatform() {
     super();
     this.platform = Platform.COCKROACH;
-    // no like escape clause supported
-    this.likeSpecialCharacters = new char[]{'%', '_'};
-    this.likeClauseRaw = "like ?";
-    this.likeClauseEscaped = "like ?";
-  }
-
-  /**
-   * Needs a commit after create index such that alter table add foreign key ... succeeds.
-   */
-  @Override
-  public boolean isDdlAutoCommit() {
-    return true;
+    this.historySupport = null; // not yet implemented in DDL
   }
 
 }

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/BaseDB2Platform.java

@@ -1,7 +1,6 @@
 package io.ebean.config.dbplatform.db2;
 
 import io.ebean.BackgroundExecutor;
-import io.ebean.annotation.PersistBatch;
 import io.ebean.annotation.Platform;
 import io.ebean.config.dbplatform.DatabasePlatform;
 import io.ebean.config.dbplatform.DbPlatformType;
@@ -15,21 +14,19 @@ import java.sql.Types;
 /**
  * DB2 specific platform.
  */
-public class DB2Platform extends DatabasePlatform {
+public abstract class BaseDB2Platform extends DatabasePlatform {
 
-  public DB2Platform() {
+  public BaseDB2Platform() {
     super();
     this.platform = Platform.DB2;
-    // Note: DB2 (at least LUW supports length up to 128)
-    // TOOD: Check if we need to introduce a new platform (DB2_LUW_11 ?)
-    this.maxTableNameLength = 18;
-    this.maxConstraintNameLength = 18;
+    this.supportsNativeJavaTime = false;
     this.truncateTable = "truncate table %s reuse storage ignore delete triggers immediate";
+    this.likeClauseRaw = "like ?";
     this.sqlLimiter = new Db2SqlLimiter();
 
     this.dbIdentity.setSupportsGetGeneratedKeys(true);
     this.dbIdentity.setSupportsSequence(true);
-
+    this.idInExpandedForm = true; // Db2 does not support (a,b) in ((?,?),(?,?))
     this.exceptionTranslator =
       new SqlErrorCodes()
         .addAcquireLock("40001","57033") // key -911/-913
@@ -39,13 +36,13 @@ public class DB2Platform extends DatabasePlatform {
         .addDataIntegrity("23502","23503","23504","23511","23512","23511","42917","23515")
         .build();
 
+    historySupport = new DB2HistorySupport();
     booleanDbType = Types.BOOLEAN;
     dbTypeMap.put(DbType.TINYINT, new DbPlatformType("smallint", false));
     dbTypeMap.put(DbType.INTEGER, new DbPlatformType("integer", false));
     dbTypeMap.put(DbType.BIGINT, new DbPlatformType("bigint", false));
     dbTypeMap.put(DbType.REAL, new DbPlatformType("real"));
     dbTypeMap.put(DbType.DECIMAL, new DbPlatformType("decimal", 16, 3));
-    persistBatchOnCascade = PersistBatch.NONE;
   }
 
   /**

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2ForIPlatform.java

@@ -0,0 +1,39 @@
+package io.ebean.config.dbplatform.db2;
+
+import io.ebean.annotation.Platform;
+import io.ebean.config.dbplatform.DbPlatformType;
+import io.ebean.config.dbplatform.DbType;
+import io.ebean.config.dbplatform.SqlErrorCodes;
+
+import java.sql.Types;
+
+/**
+ * DB2 specific platform for i Series.
+ * 
+ * @author Cédric Sougné
+ */
+public class DB2ForIPlatform extends BaseDB2Platform {
+
+  public DB2ForIPlatform() {
+    super();
+    this.platform = Platform.DB2FORI;
+    // Note: IBM i from 7.1 allow up to to 128
+    // TODO: Check if we need to introduce older platform (DB2ForI_6 ? but older
+    // documentation is not anymore published on ibm.com),
+    this.maxTableNameLength = 128;
+    this.maxConstraintNameLength = 128;
+
+    this.dbIdentity.setSupportsIdentity(true);
+
+    this.exceptionTranslator = new SqlErrorCodes().addAcquireLock("57033") // key -913
+        .addDuplicateKey("23505") // -803
+        // .addDataIntegrity("-407","-530","-531","-532","-543","-544","-545","-603","-667")
+        // we need SQLState, not code:
+        // https://www.ibm.com/support/knowledgecenter/en/SSEPEK_10.0.0/codes/src/tpc/db2z_n.html
+        .addDataIntegrity("23502", "23503", "23504", "23507", "23511", "23512", "23513", "42917", "23515")
+        .build();
+
+    booleanDbType = Types.SMALLINT;
+    dbTypeMap.put(DbType.BOOLEAN, new DbPlatformType("smallint default 0"));
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2HistorySupport.java

@@ -0,0 +1,30 @@
+package io.ebean.config.dbplatform.db2;
+
+import io.ebean.config.dbplatform.DbStandardHistorySupport;
+
+/**
+ * DB2 based history support.
+ */
+public class DB2HistorySupport extends DbStandardHistorySupport {
+
+  @Override
+  public String getAsOfViewSuffix(String asOfViewSuffix) {
+    return " for system_time as of ?";
+  }
+
+  @Override
+  public String getVersionsBetweenSuffix(String asOfViewSuffix) {
+    return " for system_time between ? and ?";
+  }
+
+  @Override
+  public String getSysPeriodLower(String tableAlias, String sysPeriod) {
+    return tableAlias + "." + sysPeriod + "_start";
+  }
+
+  @Override
+  public String getSysPeriodUpper(String tableAlias, String sysPeriod) {
+    return tableAlias + "." + sysPeriod + "_end";
+  }
+
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2LegacyPlatform.java

@@ -0,0 +1,22 @@
+package io.ebean.config.dbplatform.db2;
+
+import io.ebean.annotation.PersistBatch;
+import io.ebean.annotation.Platform;
+
+/**
+ * DB2 specific platform for older DB2 versions. This platform is here for
+ * compatibility reasons. It uses a length limit of 18 chars for table and
+ * constraint names. Newer DB2 versions will support up to 128. It is strongly
+ * recommended to migrate to db2luw/DB2ForI or db2zos platform.
+ */
+public class DB2LegacyPlatform extends BaseDB2Platform {
+  public DB2LegacyPlatform() {
+    super();
+    this.platform = Platform.DB2;
+    // Note: DB2 (at least LUW supports length up to 128)
+    // TOOD: Check if we need to introduce a new platform (DB2_LUW_11 ?)
+    this.maxTableNameLength = 18;
+    this.maxConstraintNameLength = 18;
+    this.persistBatchOnCascade = PersistBatch.NONE;
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2LuwPlatform.java

@@ -0,0 +1,17 @@
+package io.ebean.config.dbplatform.db2;
+
+import io.ebean.annotation.Platform;
+
+/**
+ * DB2 platform for Linux/Unix/Windows.
+ * @author Roland Praml, FOCONIS AG
+ *
+ */
+public class DB2LuwPlatform extends BaseDB2Platform {
+  public DB2LuwPlatform() {
+    super();
+    this.platform = Platform.DB2LUW;
+    this.maxTableNameLength = 128;
+    this.maxConstraintNameLength = 128;
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2SequenceIdGenerator.java

@@ -19,7 +19,7 @@ public class DB2SequenceIdGenerator extends SequenceBatchIdGenerator {
   public DB2SequenceIdGenerator(BackgroundExecutor be, DataSource ds, String seqName, int batchSize) {
     super(be, ds, seqName, batchSize);
     this.baseSql = "values nextval for " + seqName;
-    this.unionBaseSql = " union " + baseSql;
+    this.unionBaseSql = ", nextval for " + seqName;
   }
 
   @Override

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/DB2ZosPlatform.java

@@ -0,0 +1,18 @@
+package io.ebean.config.dbplatform.db2;
+
+import io.ebean.annotation.Platform;
+
+/**
+ * DB2 platform for z/OS. 
+ * Note: This platform is currently not tested!
+ * @author Roland Praml, FOCONIS AG
+ *
+ */
+public class DB2ZosPlatform extends BaseDB2Platform {
+  public DB2ZosPlatform() {
+    super();
+    this.platform = Platform.DB2ZOS;
+    this.maxTableNameLength = 128;
+    this.maxConstraintNameLength = 128;
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/db2/Db2SqlLimiter.java

@@ -15,10 +15,13 @@ public class Db2SqlLimiter implements SqlLimiter {
       sb.append("distinct ");
     }
     sb.append(request.getDbSql());
-
+    int firstRow = request.getFirstRow();
+    if (firstRow > 0) {
+      sb.append(" offset ").append(firstRow).append(" rows");
+    }
     int maxRows = request.getMaxRows();
     if (maxRows > 0) {
-      sb.append(" ").append(NEW_LINE).append("FETCH FIRST ").append(maxRows).append(" ROWS ONLY");
+      sb.append(" fetch next ").append(maxRows).append(" rows only");
     }
 
     String sql = request.getDbPlatform().completeSql(sb.toString(), request.getOrmQuery());

ebean-api/src/main/java/io/ebean/config/dbplatform/h2/H2HistoryTrigger.java

@@ -5,6 +5,7 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.sql.*;
+import java.time.LocalDateTime;
 import java.util.Arrays;
 
 /**
@@ -76,7 +77,7 @@ public class H2HistoryTrigger implements Trigger {
   public void fire(Connection connection, Object[] oldRow, Object[] newRow) throws SQLException {
     if (oldRow != null) {
       // a delete or update event
-      Timestamp now = new Timestamp(System.currentTimeMillis());
+      LocalDateTime now = LocalDateTime.now();
       oldRow[effectEndPosition] = now;
       if (newRow != null) {
         // update event. Set the effective start timestamp to now.

ebean-api/src/main/java/io/ebean/config/dbplatform/h2/H2Platform.java

@@ -39,6 +39,7 @@ public class H2Platform extends DatabasePlatform {
     this.dbIdentity.setSupportsIdentity(true);
 
     dbTypeMap.put(DbType.UUID, new DbPlatformType("uuid", false));
+    dbTypeMap.put(DbType.INTEGER, new DbPlatformType("integer", false));
   }
 
   /**

ebean-api/src/main/java/io/ebean/config/dbplatform/h2/H2SequenceIdGenerator.java

@@ -18,13 +18,12 @@ public class H2SequenceIdGenerator extends SequenceBatchIdGenerator {
    */
   public H2SequenceIdGenerator(BackgroundExecutor be, DataSource ds, String seqName, int batchSize) {
     super(be, ds, seqName, batchSize);
-    this.baseSql = "select " + seqName + ".nextval";
+    this.baseSql = "select nextval('" + seqName + "')";
     this.unionBaseSql = " union " + baseSql;
   }
 
   @Override
   public String getSql(int batchSize) {
-
     StringBuilder sb = new StringBuilder();
     sb.append(baseSql);
     for (int i = 1; i < batchSize; i++) {

ebean-api/src/main/java/io/ebean/config/dbplatform/hana/HanaPlatform.java

@@ -92,4 +92,8 @@ public class HanaPlatform extends DatabasePlatform {
     }
   }
 
+  @Override
+  public boolean isUseMigrationStoredProcedures() {
+    return true;
+  }
 }

ebean-api/src/main/java/io/ebean/config/dbplatform/mariadb/MariaDbPlatform.java

@@ -1,6 +1,10 @@
 package io.ebean.config.dbplatform.mariadb;
 
+import javax.sql.DataSource;
+
+import io.ebean.BackgroundExecutor;
 import io.ebean.annotation.Platform;
+import io.ebean.config.dbplatform.PlatformIdGenerator;
 import io.ebean.config.dbplatform.mysql.BaseMySqlPlatform;
 
 /**
@@ -11,6 +15,14 @@ public class MariaDbPlatform extends BaseMySqlPlatform {
   public MariaDbPlatform() {
     super();
     this.platform = Platform.MARIADB;
+    this.sequenceBatchMode = false;
     this.historySupport = new MariaDbHistorySupport();
+    this.dbIdentity.setSupportsSequence(true);
   }
+
+  @Override
+  public PlatformIdGenerator createSequenceIdGenerator(BackgroundExecutor be, DataSource ds, int stepSize, String seqName) {
+    return new MariaDbSequence(be, ds, seqName, stepSize);
+  }
+
 }

ebean-api/src/main/java/io/ebean/config/dbplatform/mariadb/MariaDbSequence.java

@@ -0,0 +1,24 @@
+package io.ebean.config.dbplatform.mariadb;
+
+import io.ebean.BackgroundExecutor;
+import io.ebean.config.dbplatform.SequenceStepIdGenerator;
+
+import javax.sql.DataSource;
+
+public class MariaDbSequence extends SequenceStepIdGenerator {
+
+  private final String nextSql;
+
+  /**
+   * Construct where batchSize is the sequence step size.
+   */
+  public MariaDbSequence(BackgroundExecutor be, DataSource ds, String seqName, int stepSize) {
+    super(be, ds, seqName, stepSize);
+    this.nextSql = "select next value for " + seqName;
+  }
+
+  @Override
+  public String getSql(int batchSize) {
+    return nextSql;
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/oracle/Oracle11Platform.java

@@ -11,6 +11,7 @@ public class Oracle11Platform extends OraclePlatform {
   public Oracle11Platform() {
     super();
     this.platform = Platform.ORACLE11;
+    this.columnAliasPrefix = "c";
     this.sqlLimiter = new OracleRownumSqlLimiter();
     this.basicSqlLimiter = new OracleRownumBasicLimiter();
     dbIdentity.setIdType(IdType.SEQUENCE);

ebean-api/src/main/java/io/ebean/config/dbplatform/oracle/Oracle12Platform.java

@@ -0,0 +1,13 @@
+package io.ebean.config.dbplatform.oracle;
+
+/**
+ * Oracle 12 platform using column alias.
+ */
+public class Oracle12Platform extends OraclePlatform {
+
+  public Oracle12Platform() {
+    super();
+    //this.platform = Platform.ORACLE12;
+    this.columnAliasPrefix = "c";
+  }
+}

ebean-api/src/main/java/io/ebean/config/dbplatform/oracle/OraclePlatform.java

@@ -22,8 +22,8 @@ public class OraclePlatform extends DatabasePlatform {
   public OraclePlatform() {
     super();
     this.platform = Platform.ORACLE;
-    this.columnAliasPrefix = "c";
     this.supportsDeleteTableAlias = true;
+    this.maxInBinding = 1000;
     this.maxTableNameLength = 30;
     this.maxConstraintNameLength = 30;
     this.dbEncrypt = new OracleDbEncrypt();
@@ -35,11 +35,9 @@ public class OraclePlatform extends DatabasePlatform {
     dbIdentity.setSupportsSequence(true);
     dbIdentity.setSupportsIdentity(true);
     dbIdentity.setSupportsGetGeneratedKeys(true);
-
     this.dbDefaultValue.setFalse("0");
     this.dbDefaultValue.setTrue("1");
     this.dbDefaultValue.setNow("current_timestamp");
-
     this.treatEmptyStringsAsNull = true;
     this.likeClauseRaw = "like ?";
 
@@ -56,7 +54,6 @@ public class OraclePlatform extends DatabasePlatform {
 
     booleanDbType = Types.INTEGER;
     dbTypeMap.put(DbType.BOOLEAN, new DbPlatformType("number(1)"));
-
     dbTypeMap.put(DbType.INTEGER, new DbPlatformType("number", 10));
     dbTypeMap.put(DbType.BIGINT, new DbPlatformType("number", 19));
     dbTypeMap.put(DbType.REAL, new DbPlatformType("number", 19, 4));
@@ -65,12 +62,10 @@ public class OraclePlatform extends DatabasePlatform {
     dbTypeMap.put(DbType.TINYINT, new DbPlatformType("number", 3));
     dbTypeMap.put(DbType.DECIMAL, new DbPlatformType("number", 16, 3));
     dbTypeMap.put(DbType.VARCHAR, new DbPlatformType("varchar2", 255));
-
     dbTypeMap.put(DbType.LONGVARBINARY, new DbPlatformType("blob"));
     dbTypeMap.put(DbType.LONGVARCHAR, new DbPlatformType("clob"));
     dbTypeMap.put(DbType.VARBINARY, new DbPlatformType("raw", 255));
     dbTypeMap.put(DbType.BINARY, new DbPlatformType("raw", 255));
-
     dbTypeMap.put(DbType.TIME, new DbPlatformType("timestamp"));
   }
 

ebean-api/src/main/java/io/ebean/config/dbplatform/sqlserver/SqlServerBasePlatform.java

@@ -27,6 +27,7 @@ abstract class SqlServerBasePlatform extends DatabasePlatform {
     // SQL Server unless we are using sequences
     this.dbEncrypt = new SqlServerDbEncrypt();
     this.persistBatchOnCascade = PersistBatch.NONE;
+    this.maxInBinding = 2000;
     this.idInExpandedForm = true;
     this.selectCountWithAlias = true;
     this.selectCountWithColumnAlias = true;
@@ -119,4 +120,9 @@ abstract class SqlServerBasePlatform extends DatabasePlatform {
     // for update are hints on from clause of base table
     return sql;
   }
+
+  @Override
+  public boolean isUseMigrationStoredProcedures() {
+    return true;
+  }
 }

ebean-api/src/main/java/io/ebean/config/dbplatform/yugabyte/YugabytePlaform.java

@@ -0,0 +1,12 @@
+package io.ebean.config.dbplatform.yugabyte;
+
+import io.ebean.annotation.Platform;
+import io.ebean.config.dbplatform.postgres.PostgresPlatform;
+
+public class YugabytePlaform extends PostgresPlatform {
+
+  public YugabytePlaform() {
+    super();
+    this.platform = Platform.YUGABYTE;
+  }
+}

ebean-api/src/main/java/io/ebean/plugin/LoadErrorHandler.java

@@ -1,14 +0,0 @@
-package io.ebean.plugin;
-
-import io.ebean.bean.EntityBean;
-
-/**
- * Errorhandler to handle load errors and may be recover correct value.
- *
- * @author Roland Praml, FOCONIS AG
- *
- */
-@FunctionalInterface
-public interface LoadErrorHandler {
-  void handleLoadError(EntityBean bean, Property prop, String fullName, Exception e);
-}

ebean-api/src/main/java/io/ebean/text/csv/CsvReader.java

@@ -18,7 +18,7 @@ import java.util.Locale;
  * try {
  *   File f = new File("src/test/resources/test1.csv");
  *
- *   FileReader reader = new FileReader(f);
+ *   FileReader reader = new FileReader(f, encoding);
  *
  *   CsvReader<Customer> csvReader = DB.createCsvReader(Customer.class);
  *

ebean-api/src/main/java/io/ebean/util/AnnotationUtil.java

@@ -71,6 +71,20 @@ public class AnnotationUtil {
     return typeGet(clazz, annotation) != null;
   }
 
+  /**
+   * Check if an element is annotated with an annotation of given type searching meta-annotations.
+   */
+  public static boolean metaHas(AnnotatedElement element, Class<?> annotationType) {
+    return !metaFindAll(element, annotationType).isEmpty();
+  }
+
+  /**
+   * Find all the annotations of a given type searching meta-annotations.
+   */
+  public static Set<Annotation> metaFindAll(AnnotatedElement element, Class<?> annotationType) {
+    return metaFindAllFor(element, Collections.singleton(annotationType));
+  }
+
   /**
    * Find all the annotations for the filter searching meta-annotations.
    */

ebean-api/src/main/java/io/ebean/util/IOUtils.java

@@ -0,0 +1,48 @@
+package io.ebean.util;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * Utilities for IO. It uses UTF-8 as encoding when reading/writing and uses
+ * buffered IO for better performance.
+ */
+public class IOUtils {
+
+  /**
+   * Read from stream as UTF-8.
+   */
+  public static BufferedReader newReader(InputStream is) {
+    return new BufferedReader(new InputStreamReader(is, StandardCharsets.UTF_8));
+  }
+
+  /**
+   * Read from file as UTF-8.
+   */
+  public static BufferedReader newReader(File file) throws FileNotFoundException {
+    return newReader(new FileInputStream(file));
+  }
+
+  /**
+   * Write to stream as UTF-8
+   */
+  public static BufferedWriter newWriter(OutputStream os) {
+    return new BufferedWriter(new OutputStreamWriter(os, StandardCharsets.UTF_8));
+  }
+
+  /**
+   * Write to file as UTF-8
+   */
+  public static BufferedWriter newWriter(File file) throws FileNotFoundException {
+    return newWriter(new FileOutputStream(file));
+  }
+}

ebean-api/src/test/java/io/ebean/util/TestAnnotationUtil.java

@@ -2,7 +2,6 @@ package io.ebean.util;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-import java.io.File;
 import java.util.Set;
 
 import org.junit.jupiter.api.Test;

ebean-autotune/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.13.2</version>
+    <version>12.16.0</version>
   </parent>
 <!--  <parent>-->
 <!--    <groupId>org.avaje</groupId>-->
@@ -14,7 +14,7 @@
 
   <scm>
     <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>ebean-parent-12.13.2</tag>
+    <tag>ebean-parent-12.16.0</tag>
   </scm>
 
   <name>ebean autotune</name>
@@ -26,7 +26,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-core</artifactId>
-      <version>12.13.2</version>
+      <version>12.16.0</version>
       <scope>provided</scope>
     </dependency>
 
@@ -34,7 +34,7 @@
     <dependency>
       <groupId>org.glassfish.jaxb</groupId>
       <artifactId>jaxb-runtime</artifactId>
-      <version>2.3.2</version>
+      <version>2.3.6</version>
       <scope>provided</scope>
     </dependency>
 
@@ -48,7 +48,7 @@
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>junit</artifactId>
-      <version>1.0</version>
+      <version>1.1</version>
       <scope>test</scope>
     </dependency>
 
@@ -63,7 +63,7 @@
         <extensions>true</extensions>
         <configuration>
           <tiles>
-            <tile>io.ebean.tile:enhancement:12.11.3</tile>
+            <tile>io.ebean.tile:enhancement:12.15.0</tile>
             <tile>io.avaje.tile:moditech-module:1.0</tile>
           </tiles>
         </configuration>

ebean-autotune/pom.xml.releaseBackup

@@ -1,74 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>ebean-parent</artifactId>
-    <groupId>io.ebean</groupId>
-    <version>12.13.2-SNAPSHOT</version>
-  </parent>
-<!--  <parent>-->
-<!--    <groupId>org.avaje</groupId>-->
-<!--    <artifactId>java8-oss</artifactId>-->
-<!--    <version>2.2</version>-->
-<!--  </parent>-->
-
-  <scm>
-    <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>HEAD</tag>
-  </scm>
-
-  <name>ebean autotune</name>
-  <description>ebean automatic query tuning module</description>
-  <artifactId>ebean-autotune</artifactId>
-
-  <dependencies>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-core</artifactId>
-      <version>12.13.2-SNAPSHOT</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <!-- needed for java 11+ -->
-    <dependency>
-      <groupId>org.glassfish.jaxb</groupId>
-      <artifactId>jaxb-runtime</artifactId>
-      <version>2.3.2</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-datasource</artifactId>
-      <version>${ebean-datasource.version}</version>
-      <scope>test</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>junit</artifactId>
-      <version>1.0</version>
-      <scope>test</scope>
-    </dependency>
-
-  </dependencies>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>io.repaint.maven</groupId>
-        <artifactId>tiles-maven-plugin</artifactId>
-        <version>2.24</version>
-        <extensions>true</extensions>
-        <configuration>
-          <tiles>
-            <tile>io.ebean.tile:enhancement:12.11.3</tile>
-            <tile>io.avaje.tile:moditech-module:1.0</tile>
-          </tiles>
-        </configuration>
-      </plugin>
-
-    </plugins>
-  </build>
-</project>

ebean-bom/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.13.2</version>
+    <version>12.16.0</version>
   </parent>
 
   <name>ebean bom</name>
@@ -71,88 +71,88 @@
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-api</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-core</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-core-type</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-ddl-generator</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-externalmapping-api</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-externalmapping-xml</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-autotune</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-querybean</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>querybean-generator</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
         <scope>provided</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>kotlin-querybean-generator</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
         <scope>provided</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-test</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
         <scope>test</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-postgis</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-redis</artifactId>
-        <version>12.13.2</version>
+        <version>12.16.0</version>
       </dependency>
 
     </dependencies>

ebean-bom/pom.xml.releaseBackup

@@ -1,162 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>ebean-parent</artifactId>
-    <groupId>io.ebean</groupId>
-    <version>12.13.2-SNAPSHOT</version>
-  </parent>
-
-  <name>ebean bom</name>
-  <description>ebean bill of materials pom</description>
-  <artifactId>ebean-bom</artifactId>
-  <packaging>pom</packaging>
-
-  <dependencyManagement>
-
-    <dependencies>
-
-      <!-- dependencies external to this ebean.git build -->
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-ddl-runner</artifactId>
-        <version>${ebean-ddl-runner.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-migration-auto</artifactId>
-        <version>${ebean-migration-auto.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-migration</artifactId>
-        <version>${ebean-migration.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-datasource-api</artifactId>
-        <version>${ebean-datasource.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-datasource</artifactId>
-        <version>${ebean-datasource.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-agent</artifactId>
-        <version>${ebean-agent.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-maven-plugin</artifactId>
-        <version>${ebean-maven-plugin.version}</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-test-docker</artifactId>
-        <version>${ebean-test-docker.version}</version>
-      </dependency>
-
-      <!-- modules -->
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-api</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-core</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-core-type</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-ddl-generator</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-externalmapping-api</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-externalmapping-xml</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-autotune</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-querybean</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>querybean-generator</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-        <scope>provided</scope>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>kotlin-querybean-generator</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-        <scope>provided</scope>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-test</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-        <scope>test</scope>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-postgis</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-      <dependency>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-redis</artifactId>
-        <version>12.13.2-SNAPSHOT</version>
-      </dependency>
-
-    </dependencies>
-
-  </dependencyManagement>
-
-</project>

ebean-core-type/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.13.2</version>
+    <version>12.16.0</version>
   </parent>
 
   <artifactId>ebean-core-type</artifactId>
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-api</artifactId>
-      <version>12.13.2</version>
+      <version>12.16.0</version>
     </dependency>
 
     <dependency>

ebean-core-type/pom.xml.releaseBackup

@@ -1,46 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>ebean-parent</artifactId>
-    <groupId>io.ebean</groupId>
-    <version>12.13.2-SNAPSHOT</version>
-  </parent>
-
-  <artifactId>ebean-core-type</artifactId>
-  <name>ebean core type</name>
-  <description>ebean scalar types api</description>
-
-  <dependencies>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-api</artifactId>
-      <version>12.13.2-SNAPSHOT</version>
-    </dependency>
-
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-core</artifactId>
-      <version>${jackson.version}</version>
-      <optional>true</optional>
-    </dependency>
-
-  </dependencies>
-
-  <build>
-    <plugins>
-      <plugin>
-        <groupId>io.repaint.maven</groupId>
-        <artifactId>tiles-maven-plugin</artifactId>
-        <version>2.24</version>
-        <extensions>true</extensions>
-        <configuration>
-          <tiles>
-            <tile>io.avaje.tile:moditech-module:1.0</tile>
-          </tiles>
-        </configuration>
-      </plugin>
-    </plugins>
-  </build>
-</project>

ebean-core-type/src/main/java/io/ebean/core/type/DataReader.java

@@ -47,6 +47,8 @@ public interface DataReader {
 
   Object getObject() throws SQLException;
 
+  <T> T getObject(Class<T> cls) throws SQLException;
+
   InputStream getBinaryStream() throws SQLException;
 
   /**

ebean-core/pom.xml

@@ -3,7 +3,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.13.2</version>
+    <version>12.16.0</version>
   </parent>
 
   <artifactId>ebean-core</artifactId>
@@ -15,7 +15,7 @@
 
   <scm>
     <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>ebean-parent-12.13.2</tag>
+    <tag>ebean-parent-12.16.0</tag>
   </scm>
 
   <dependencies>
@@ -23,7 +23,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-ddl-runner</artifactId>
-      <version>1.2</version>
+      <version>${ebean-ddl-runner.version}</version>
     </dependency>
 
     <dependency>
@@ -35,25 +35,25 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-migration-auto</artifactId>
-      <version>1.1</version>
+      <version>${ebean-migration-auto.version}</version>
     </dependency>
 
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-api</artifactId>
-      <version>12.13.2</version>
+      <version>12.16.0</version>
     </dependency>
 
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-core-type</artifactId>
-      <version>12.13.2</version>
+      <version>12.16.0</version>
     </dependency>
 
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-externalmapping-api</artifactId>
-      <version>12.13.2</version>
+      <version>12.16.0</version>
     </dependency>
 
     <dependency>
@@ -78,7 +78,7 @@
     <dependency>
       <groupId>com.h2database</groupId>
       <artifactId>h2</artifactId>
-      <version>1.4.199</version>
+      <version>${h2database.version}</version>
       <scope>provided</scope>
     </dependency>
 
@@ -136,7 +136,7 @@
     <dependency>
       <groupId>org.postgresql</groupId>
       <artifactId>postgresql</artifactId>
-      <version>42.2.24</version>
+      <version>42.3.3</version>
       <optional>true</optional>
     </dependency>
 
@@ -152,7 +152,7 @@
     <dependency>
       <groupId>io.avaje</groupId>
       <artifactId>junit</artifactId>
-      <version>1.0</version>
+      <version>1.1</version>
       <scope>test</scope>
     </dependency>
 

ebean-core/pom.xml.releaseBackup

@@ -1,247 +0,0 @@
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
-  <modelVersion>4.0.0</modelVersion>
-  <parent>
-    <artifactId>ebean-parent</artifactId>
-    <groupId>io.ebean</groupId>
-    <version>12.13.2-SNAPSHOT</version>
-  </parent>
-
-  <artifactId>ebean-core</artifactId>
-  <packaging>jar</packaging>
-
-  <name>ebean core</name>
-  <description>ebean core module</description>
-  <url>https://ebean.io/</url>
-
-  <scm>
-    <developerConnection>scm:git:git@github.com:ebean-orm/ebean.git</developerConnection>
-    <tag>HEAD</tag>
-  </scm>
-
-  <dependencies>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-ddl-runner</artifactId>
-      <version>1.2</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>classpath-scanner</artifactId>
-      <version>6.2</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-migration-auto</artifactId>
-      <version>1.1</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-api</artifactId>
-      <version>12.13.2-SNAPSHOT</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-core-type</artifactId>
-      <version>12.13.2-SNAPSHOT</version>
-    </dependency>
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-externalmapping-api</artifactId>
-      <version>12.13.2-SNAPSHOT</version>
-    </dependency>
-
-    <dependency>
-      <groupId>org.antlr</groupId>
-      <artifactId>antlr4-runtime</artifactId>
-      <version>4.8-1</version>
-    </dependency>
-
-    <!--
-    Class retention Nonnull and Nullable annotations
-    to assist with IDE auto-completion with Ebean API
-    -->
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>avaje-jsr305-x</artifactId>
-      <version>1.1</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <!-- Provided scope so that the H2HistoryTrigger can live in Ebean core
-         and not require a separate module for it -->
-    <dependency>
-      <groupId>com.h2database</groupId>
-      <artifactId>h2</artifactId>
-      <version>1.4.199</version>
-      <scope>provided</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>javax.transaction</groupId>
-      <artifactId>javax.transaction-api</artifactId>
-      <version>1.3</version>
-      <optional>true</optional>
-    </dependency>
-
-    <!-- validation annotations Size etc -->
-    <dependency>
-      <groupId>javax.validation</groupId>
-      <artifactId>validation-api</artifactId>
-      <version>2.0.1.Final</version>
-      <optional>true</optional>
-    </dependency>
-    <dependency>
-      <groupId>jakarta.validation</groupId>
-      <artifactId>jakarta.validation-api</artifactId>
-      <version>3.0.0</version>
-      <optional>true</optional>
-    </dependency>
-
-    <dependency>
-      <groupId>joda-time</groupId>
-      <artifactId>joda-time</artifactId>
-      <version>2.9.7</version>
-      <optional>true</optional>
-    </dependency>
-
-<!--    <dependency>-->
-<!--      <groupId>javax.annotation</groupId>-->
-<!--      <artifactId>javax.annotation-api</artifactId>-->
-<!--      <version>1.3.2</version>-->
-<!--      <optional>true</optional>-->
-<!--    </dependency>-->
-
-    <!-- Jackson core used internally by Ebean -->
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-core</artifactId>
-      <version>${jackson.version}</version>
-      <optional>true</optional>
-    </dependency>
-
-    <dependency>
-      <groupId>com.fasterxml.jackson.core</groupId>
-      <artifactId>jackson-databind</artifactId>
-      <version>${jackson.version}</version>
-      <optional>true</optional>
-    </dependency>
-
-    <!-- Provided scope for Postgres JSON/JSONB support -->
-    <dependency>
-      <groupId>org.postgresql</groupId>
-      <artifactId>postgresql</artifactId>
-      <version>42.2.24</version>
-      <optional>true</optional>
-    </dependency>
-
-    <!-- Test scope -->
-
-    <dependency>
-      <groupId>io.ebean</groupId>
-      <artifactId>ebean-datasource</artifactId>
-      <version>${ebean-datasource.version}</version>
-      <scope>test</scope>
-    </dependency>
-
-    <dependency>
-      <groupId>io.avaje</groupId>
-      <artifactId>junit</artifactId>
-      <version>1.0</version>
-      <scope>test</scope>
-    </dependency>
-
-  </dependencies>
-
-  <build>
-    <plugins>
-
-      <plugin>
-        <groupId>io.ebean</groupId>
-        <artifactId>ebean-maven-plugin</artifactId>
-        <version>${ebean-maven-plugin.version}</version>
-        <executions>
-          <execution>
-            <id>test</id>
-            <phase>process-test-classes</phase>
-            <configuration>
-              <transformArgs>debug=0</transformArgs>
-            </configuration>
-            <goals>
-              <goal>testEnhance</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-surefire-plugin</artifactId>
-        <version>3.0.0-M4</version>
-        <configuration>
-          <useSystemClassLoader>false</useSystemClassLoader>
-          <trimStackTrace>false</trimStackTrace>
-          <failIfNoTests>false</failIfNoTests>
-          <includes>
-            <include>**/Test*.java</include>
-            <include>**/*Test.java</include>
-            <include>**/*Tests.java</include>
-          </includes>
-          <systemProperties>
-            <property>
-              <!-- transfer datasource.default parameter -->
-              <name>datasource.default</name>
-              <value>${datasource.default}</value>
-            </property>
-            <property>
-              <!-- transfer dbClockDelta parameter -->
-              <name>dbClockDelta</name>
-              <value>${dbClockDelta}</value>
-            </property>
-          </systemProperties>
-        </configuration>
-      </plugin>
-
-      <plugin>
-        <groupId>org.apache.maven.plugins</groupId>
-        <artifactId>maven-javadoc-plugin</artifactId>
-        <version>3.1.1</version>
-        <configuration>
-          <doctitle>Ebean 12</doctitle>
-          <overview>src/main/java/io/ebean/overview.html</overview>
-          <excludePackageNames>io.ebeaninternal.*:io.ebeanservice:io.ebean.common:io.ebean.bean:io.ebean.service:io.ebean.metric:io.ebean.util:io.ebean.config.properties:io.ebean.config.dbplatform</excludePackageNames>
-          <linksource>true</linksource>
-          <overview>src/main/java/com/avaje/ebean/overview.html</overview>
-        </configuration>
-        <executions>
-          <execution>
-            <id>attach-javadocs</id>
-            <goals>
-              <goal>jar</goal>
-            </goals>
-          </execution>
-        </executions>
-      </plugin>
-
-      <plugin>
-        <groupId>io.repaint.maven</groupId>
-        <artifactId>tiles-maven-plugin</artifactId>
-        <version>2.24</version>
-        <extensions>true</extensions>
-        <configuration>
-          <tiles>
-            <tile>io.avaje.tile:moditech-module:1.0</tile>
-          </tiles>
-        </configuration>
-      </plugin>
-
-    </plugins>
-
-  </build>
-
-</project>

ebean-core/src/main/java/io/ebeaninternal/api/BindParams.java

@@ -167,6 +167,7 @@ public final class BindParams implements Serializable {
    */
   @SuppressWarnings("rawtypes")
   public void setParameter(int position, Object value) {
+    assert value != null : "use setNullParameter";
     Param p = getParam(position);
     if (value instanceof Collection) {
       // use of postgres ANY with positioned parameter
@@ -218,6 +219,7 @@ public final class BindParams implements Serializable {
    * Set a named In parameter that is not null.
    */
   public Param setParameter(String name, Object value) {
+    assert value != null : "use setNullParameter";
     Param p = getParam(name);
     p.setInValue(value);
     return p;

ebean-core/src/main/java/io/ebeaninternal/api/LoadBeanBuffer.java

@@ -4,7 +4,7 @@ import io.ebean.bean.EntityBeanIntercept;
 import io.ebean.bean.PersistenceContext;
 import io.ebeaninternal.server.deploy.BeanDescriptor;
 
-import java.util.List;
+import java.util.Set;
 
 /**
  * A buffer of beans for batch lazy loading and secondary query loading.
@@ -13,7 +13,7 @@ public interface LoadBeanBuffer {
 
   int batchSize();
 
-  List<EntityBeanIntercept> batch();
+  Set<EntityBeanIntercept> batch();
 
   BeanDescriptor<?> descriptor();
 

ebean-core/src/main/java/io/ebeaninternal/api/LoadBeanRequest.java

@@ -16,7 +16,7 @@ import java.util.Set;
  */
 public final class LoadBeanRequest extends LoadRequest {
 
-  private final List<EntityBeanIntercept> batch;
+  private final Set<EntityBeanIntercept> batch;
   private final LoadBeanBuffer loadBuffer;
   private final String lazyLoadProperty;
   private final boolean loadCache;
@@ -58,7 +58,7 @@ public final class LoadBeanRequest extends LoadRequest {
   /**
    * Return the batch of beans to actually load.
    */
-  public List<EntityBeanIntercept> batch() {
+  public Set<EntityBeanIntercept> batch() {
     return batch;
   }
 

ebean-core/src/main/java/io/ebeaninternal/api/SpiEbeanServer.java

@@ -3,8 +3,6 @@ package io.ebeaninternal.api;
 import io.ebean.*;
 import io.ebean.bean.BeanCollectionLoader;
 import io.ebean.bean.CallOrigin;
-import io.ebean.config.DatabaseConfig;
-import io.ebean.config.dbplatform.DatabasePlatform;
 import io.ebean.event.readaudit.ReadAuditLogger;
 import io.ebean.event.readaudit.ReadAuditPrepare;
 import io.ebean.meta.MetricVisitor;

ebean-core/src/main/java/io/ebeaninternal/api/SpiQueryBindCapture.java

@@ -1,6 +1,5 @@
 package io.ebeaninternal.api;
 
-import io.ebean.meta.QueryPlanRequest;
 import io.ebeaninternal.server.type.bindcapture.BindCapture;
 
 /**

ebean-core/src/main/java/io/ebeaninternal/server/changelog/ChangeJsonBuilder.java

@@ -5,7 +5,6 @@ import com.fasterxml.jackson.core.JsonGenerator;
 import io.ebean.event.changelog.BeanChange;
 import io.ebean.event.changelog.ChangeSet;
 import io.ebean.event.changelog.ChangeType;
-import io.ebean.text.json.JsonContext;
 
 import java.io.IOException;
 import java.io.Writer;

ebean-core/src/main/java/io/ebeaninternal/server/core/AbstractSqlQueryRequest.java

@@ -15,8 +15,6 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.util.concurrent.locks.ReentrantLock;
 
-import javax.persistence.PersistenceException;
-
 /**
  * Wraps the objects involved in executing a SQL / Relational Query.
  */

ebean-core/src/main/java/io/ebeaninternal/server/core/ClassPathScanners.java

@@ -5,7 +5,6 @@ import io.avaje.classpath.scanner.ClassPathScannerFactory;
 import io.ebean.config.DatabaseConfig;
 
 import java.util.ArrayList;
-import java.util.Iterator;
 import java.util.List;
 import java.util.ServiceLoader;
 

ebean-core/src/main/java/io/ebeaninternal/server/core/DScriptRunner.java

@@ -3,20 +3,20 @@ package io.ebeaninternal.server.core;
 import io.ebean.ScriptRunner;
 import io.ebean.ddlrunner.DdlRunner;
 import io.ebean.ddlrunner.ScriptTransform;
+import io.ebean.util.IOUtils;
 import io.ebeaninternal.api.SpiEbeanServer;
 import io.ebeaninternal.util.UrlHelper;
 
 import javax.persistence.PersistenceException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.LineNumberReader;
-import java.io.Reader;
+import java.io.*;
 import java.net.URL;
+import java.nio.file.Path;
 import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.Map;
 
+import static java.util.Objects.requireNonNull;
+
 final class DScriptRunner implements ScriptRunner {
 
   private static final String NEWLINE = "\n";
@@ -30,8 +30,8 @@ final class DScriptRunner implements ScriptRunner {
   }
 
   @Override
-  public void run(String path) {
-    run(path, null);
+  public void run(String resourcePath) {
+    run(resourcePath, null);
   }
 
   @Override
@@ -49,26 +49,42 @@ final class DScriptRunner implements ScriptRunner {
     run(resource, null, placeholderMap);
   }
 
+  @Override
+  public void run(Path file) {
+    run(file, null);
+  }
+
+  @Override
+  public void run(Path file, Map<String, String> placeholderMap) {
+    requireNonNull(file);
+    String scriptName = file.toFile().getName();
+    String content = fileContent(file);
+    runScript(content, scriptName, placeholderMap, false);
+  }
+
   private void run(URL resource, String scriptName, Map<String, String> placeholderMap) {
-    if (resource == null) {
-      throw new IllegalArgumentException("resource is null?");
-    }
+    requireNonNull(resource);
     if (scriptName == null) {
       scriptName = resource.getFile();
     }
-
     String content = content(resource);
     runScript(content, scriptName, placeholderMap, false);
   }
 
-  private String content(URL resource) {
-    if (resource == null) {
-      throw new IllegalArgumentException("resource is null?");
+  private String fileContent(Path file) {
+    try (InputStream inputStream = new FileInputStream(file.toFile());
+         Reader reader = IOUtils.newReader(inputStream)) {
+      return readContent(reader);
+    } catch (IOException e) {
+      throw new PersistenceException("Failed to read script content", e);
     }
+  }
 
-    try (InputStream inputStream = UrlHelper.openNoCache(resource)) {
-      return readContent(new InputStreamReader(inputStream));
-
+  private String content(URL resource) {
+    requireNonNull(resource);
+    try (InputStream inputStream = UrlHelper.openNoCache(resource);
+         Reader reader = IOUtils.newReader(inputStream)) {
+      return readContent(reader);
     } catch (IOException e) {
       throw new PersistenceException("Failed to read script content", e);
     }
@@ -84,14 +100,15 @@ final class DScriptRunner implements ScriptRunner {
    */
   private void runScript(String content, String scriptName, Map<String, String> placeholderMap, boolean useAutoCommit) {
     try {
-      if (placeholderMap != null) {
+      if (placeholderMap != null && !placeholderMap.isEmpty()) {
         content = ScriptTransform.build(null, placeholderMap).transform(content);
       }
-
       try (Connection connection = obtainConnection()) {
         DdlRunner runner = new DdlRunner(useAutoCommit, scriptName, platformName);
         runner.runAll(content, connection);
-        connection.commit();
+        if (!connection.getAutoCommit()) {
+          connection.commit();
+        }
         runner.runNonTransactional(connection);
       }
 
@@ -109,7 +126,6 @@ final class DScriptRunner implements ScriptRunner {
   }
 
   private String readContent(Reader reader) throws IOException {
-
     StringBuilder buf = new StringBuilder();
     try (LineNumberReader lineReader = new LineNumberReader(reader)) {
       String line;

ebean-core/src/main/java/io/ebeaninternal/server/core/DatabasePlatformFactory.java

@@ -4,7 +4,10 @@ import io.ebean.config.DatabaseConfig;
 import io.ebean.config.dbplatform.DatabasePlatform;
 import io.ebean.config.dbplatform.clickhouse.ClickHousePlatform;
 import io.ebean.config.dbplatform.cockroach.CockroachPlatform;
-import io.ebean.config.dbplatform.db2.DB2Platform;
+import io.ebean.config.dbplatform.db2.DB2ForIPlatform;
+import io.ebean.config.dbplatform.db2.DB2LegacyPlatform;
+import io.ebean.config.dbplatform.db2.DB2LuwPlatform;
+import io.ebean.config.dbplatform.db2.DB2ZosPlatform;
 import io.ebean.config.dbplatform.h2.H2Platform;
 import io.ebean.config.dbplatform.hana.HanaPlatform;
 import io.ebean.config.dbplatform.hsqldb.HsqldbPlatform;
@@ -13,6 +16,7 @@ import io.ebean.config.dbplatform.mysql.MySql55Platform;
 import io.ebean.config.dbplatform.mysql.MySqlPlatform;
 import io.ebean.config.dbplatform.nuodb.NuoDbPlatform;
 import io.ebean.config.dbplatform.oracle.Oracle11Platform;
+import io.ebean.config.dbplatform.oracle.Oracle12Platform;
 import io.ebean.config.dbplatform.oracle.OraclePlatform;
 import io.ebean.config.dbplatform.postgres.Postgres9Platform;
 import io.ebean.config.dbplatform.postgres.PostgresPlatform;
@@ -20,16 +24,14 @@ import io.ebean.config.dbplatform.sqlanywhere.SqlAnywherePlatform;
 import io.ebean.config.dbplatform.sqlite.SQLitePlatform;
 import io.ebean.config.dbplatform.sqlserver.SqlServer16Platform;
 import io.ebean.config.dbplatform.sqlserver.SqlServer17Platform;
+import io.ebean.config.dbplatform.yugabyte.YugabytePlaform;
 import io.ebeaninternal.api.CoreLog;
 import io.ebeaninternal.api.DbOffline;
 
 import javax.persistence.PersistenceException;
 import javax.sql.DataSource;
-import java.sql.Connection;
-import java.sql.DatabaseMetaData;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
+import java.sql.*;
+import java.util.Locale;
 
 /**
  * Create a DatabasePlatform from the configuration.
@@ -87,6 +89,9 @@ public class DatabasePlatformFactory {
     if (dbName.equals("oracle11") || dbName.equals("oracle10") || dbName.equals("oracle9")) {
       return new Oracle11Platform();
     }
+    if (dbName.equals("oracle12")) {
+      return new Oracle12Platform();
+    }
     if (dbName.equals("oracle")) {
       return new OraclePlatform();
     }
@@ -103,7 +108,19 @@ public class DatabasePlatformFactory {
       return new SqlAnywherePlatform();
     }
     if (dbName.equals("db2")) {
-      return new DB2Platform();
+      throw new IllegalArgumentException("Please choose the more specific db2luw/db2zos/db2fori platform. Refer to issue #2514 for details");
+    }
+    if (dbName.equals("db2legacy")) {
+      return new DB2LegacyPlatform();
+    }
+    if (dbName.equals("db2zos")) {
+      return new DB2ZosPlatform();
+    }
+    if (dbName.equals("db2fori")) {
+      return new DB2ForIPlatform();
+    }
+    if (dbName.equals("db2luw")) {
+      return new DB2LuwPlatform();
     }
     if (dbName.equals("clickhouse")) {
       return new ClickHousePlatform();
@@ -149,7 +166,8 @@ public class DatabasePlatformFactory {
     } else if (dbProductName.contains("hsql database engine")) {
       return new HsqldbPlatform();
     } else if (dbProductName.contains("postgres")) {
-      return readPostgres(connection, majorVersion);
+      String productVersion = metaData.getDatabaseProductVersion().toLowerCase(Locale.ENGLISH);
+      return readPostgres(connection, majorVersion, productVersion);
     } else if (dbProductName.contains("mariadb")) {
       return new MariaDbPlatform();
     } else if (dbProductName.contains("mysql")) {
@@ -159,7 +177,7 @@ public class DatabasePlatformFactory {
     } else if (dbProductName.contains("sqlite")) {
       return new SQLitePlatform();
     } else if (dbProductName.contains("db2")) {
-      return new DB2Platform();
+      throw new IllegalArgumentException("For DB2 please explicitly choose either db2legacy/db2luw/db2zos/db2fori platform. Refer to issue #2514 for details");
     } else if (dbProductName.contains("sql anywhere")) {
       return new SqlAnywherePlatform();
     } else if (dbProductName.contains("hdb")) {
@@ -173,7 +191,13 @@ public class DatabasePlatformFactory {
   }
 
   private DatabasePlatform oracleVersion(int majorVersion) {
-    return majorVersion < 12 ? new Oracle11Platform() : new OraclePlatform();
+    if (majorVersion < 12) {
+      return new Oracle11Platform();
+    }
+    if (majorVersion < 13) {
+      return new Oracle12Platform();
+    }
+    return new OraclePlatform();
   }
 
   private DatabasePlatform mysqlVersion(int majorVersion, int minorVersion) {
@@ -186,11 +210,14 @@ public class DatabasePlatformFactory {
   /**
    * Use a select version() query as it could be Postgres or CockroachDB.
    */
-  private static DatabasePlatform readPostgres(Connection connection, int majorVersion) {
+  private static DatabasePlatform readPostgres(Connection connection, int majorVersion, String productVersion) {
+    if (productVersion.contains("-yb-")) {
+      return new YugabytePlaform();
+    }
     try (PreparedStatement statement = connection.prepareStatement("select version() as \"version\"")) {
       try (ResultSet resultSet = statement.executeQuery()) {
         if (resultSet.next()) {
-          String productVersion = resultSet.getString("version").toLowerCase();
+          productVersion = resultSet.getString("version").toLowerCase();
           if (productVersion.contains("cockroach")) {
             return new CockroachPlatform();
           }

ebean-core/src/main/java/io/ebeaninternal/server/core/DefaultBeanLoader.java

@@ -2,7 +2,6 @@ package io.ebeaninternal.server.core;
 
 import io.ebean.CacheMode;
 import io.ebean.ExpressionList;
-import io.ebean.Transaction;
 import io.ebean.bean.BeanCollection;
 import io.ebean.bean.EntityBean;
 import io.ebean.bean.EntityBeanIntercept;
@@ -17,6 +16,7 @@ import org.slf4j.Logger;
 
 import javax.persistence.EntityNotFoundException;
 import java.util.List;
+import java.util.Set;
 
 /**
  * Helper to handle lazy loading and refreshing of beans.
@@ -39,14 +39,14 @@ final class DefaultBeanLoader {
   }
 
   void loadMany(BeanCollection<?> bc, boolean onlyIds) {
-    loadManyInternal(bc.getOwnerBean(), bc.getPropertyName(), null, false, onlyIds);
+    loadManyInternal(bc.getOwnerBean(), bc.getPropertyName(), false, onlyIds);
   }
 
   void refreshMany(EntityBean parentBean, String propertyName) {
-    loadManyInternal(parentBean, propertyName, null, true, false);
+    loadManyInternal(parentBean, propertyName, true, false);
   }
 
-  private void loadManyInternal(EntityBean parentBean, String propertyName, Transaction t, boolean refresh, boolean onlyIds) {
+  private void loadManyInternal(EntityBean parentBean, String propertyName, boolean refresh, boolean onlyIds) {
     EntityBeanIntercept ebi = parentBean._ebean_getIntercept();
     PersistenceContext pc = ebi.getPersistenceContext();
     BeanDescriptor<?> parentDesc = server.descriptor(parentBean.getClass());
@@ -105,7 +105,7 @@ final class DefaultBeanLoader {
       query.setReadOnly(true);
     }
 
-    server.findOne(query, t);
+    server.findOne(query, null);
     if (beanCollection != null) {
       if (beanCollection.checkEmptyLazyLoad()) {
         if (log.isDebugEnabled()) {
@@ -121,7 +121,7 @@ final class DefaultBeanLoader {
    * Load a batch of beans for +query or +lazy loading.
    */
   void loadBean(LoadBeanRequest loadRequest) {
-    List<EntityBeanIntercept> batch = loadRequest.batch();
+    Set<EntityBeanIntercept> batch = loadRequest.batch();
     if (batch.isEmpty()) {
       throw new RuntimeException("Nothing in batch?");
     }
@@ -199,7 +199,7 @@ final class DefaultBeanLoader {
     query.setLazyLoadProperty(ebi.getLazyLoadProperty());
     if (draft) {
       query.asDraft();
-    } else {
+    } else if (mode == SpiQuery.Mode.LAZYLOAD_BEAN) {
       query.setIncludeSoftDeletes();
     }
     if (embeddedOwnerIndex > -1) {

ebean-core/src/main/java/io/ebeaninternal/server/core/DefaultContainer.java

@@ -1,5 +1,6 @@
 package io.ebeaninternal.server.core;
 
+import io.ebean.config.BackgroundExecutorWrapper;
 import io.ebean.config.ContainerConfig;
 import io.ebean.config.DatabaseConfig;
 import io.ebean.config.DatabaseConfigProvider;
@@ -67,7 +68,8 @@ public final class DefaultContainer implements SpiContainer {
     String namePrefix = "ebean-" + config.getName();
     int schedulePoolSize = config.getBackgroundExecutorSchedulePoolSize();
     int shutdownSecs = config.getBackgroundExecutorShutdownSecs();
-    return new DefaultBackgroundExecutor(schedulePoolSize, shutdownSecs, namePrefix);
+    BackgroundExecutorWrapper wrapper = config.getBackgroundExecutorWrapper();
+    return new DefaultBackgroundExecutor(schedulePoolSize, shutdownSecs, namePrefix, wrapper);
   }
 
   /**

ebean-core/src/main/java/io/ebeaninternal/server/core/DefaultServer.java

@@ -373,7 +373,9 @@ public final class DefaultServer implements SpiServer, SpiEbeanServer {
         migrationRunner.setDefaultDbSchema(dbSchema);
       }
       migrationRunner.setName(config.getName());
-      migrationRunner.setPlatform(config.getDatabasePlatform().getPlatform().base().name().toLowerCase());
+      Platform platform = config.getDatabasePlatform().getPlatform();
+      migrationRunner.setBasePlatform(platform.base().name().toLowerCase());
+      migrationRunner.setPlatform(platform.name().toLowerCase());
       migrationRunner.loadProperties(config.getProperties());
       migrationRunner.run(config.getDataSource());
     }
@@ -613,6 +615,10 @@ public final class DefaultServer implements SpiServer, SpiEbeanServer {
     try (Connection connection = dataSource().getConnection()) {
       for (String table : tables) {
         executeSql(connection, databasePlatform.truncateStatement(table));
+        if (databasePlatform.getPlatform().base() == Platform.DB2) {
+          // DB2 requires commit after each truncate statement
+          connection.commit();
+        }
       }
       connection.commit();
     } catch (SQLException e) {

ebean-core/src/main/java/io/ebeaninternal/server/core/InitDataSource.java

@@ -99,7 +99,6 @@ final class InitDataSource {
       if (config.getDatabasePlatformName() == null) {
         throw new PersistenceException("You MUST specify a DatabasePlatformName on DatabaseConfig when offline");
       }
-      return null;
     }
 
     attachAlert(dsConfig);

ebean-core/src/main/java/io/ebeaninternal/server/core/InternalConfiguration.java

@@ -280,7 +280,7 @@ public final class InternalConfiguration {
 
   private MultiValueBind createMultiValueBind(Platform platform) {
     // only Postgres at this stage
-    if (platform.base() == Platform.POSTGRES) {
+    if (platform.base() == Platform.POSTGRES || platform.base() == Platform.YUGABYTE || platform.base() == Platform.COCKROACH) {
       return new PostgresMultiValueBind();
     }
     return new MultiValueBind();

ebean-core/src/main/java/io/ebeaninternal/server/core/PersistDeferredRelationship.java

@@ -40,6 +40,9 @@ public final class PersistDeferredRelationship {
 
     // bind the set clause for the importedId
     int pos = importedId.bind(1, sqlUpdate, assocBean);
+    if (pos == -1) {
+      return; // could not bind: TODO: should we log/throw an error?
+    }
     // bind the where clause for the bean
     Object[] idValues = beanDescriptor.idBinder().getIdValues(bean);
     for (int j = 0; j < idValues.length; j++) {

ebean-core/src/main/java/io/ebeaninternal/server/deploy/AssocOneHelpRefInherit.java

@@ -3,6 +3,7 @@ package io.ebeaninternal.server.deploy;
 import io.ebean.bean.EntityBean;
 import io.ebean.bean.PersistenceContext;
 import io.ebeaninternal.server.query.SqlJoinType;
+import io.ebeaninternal.server.query.SqlTreeJoin;
 
 import java.sql.SQLException;
 
@@ -60,11 +61,28 @@ final class AssocOneHelpRefInherit extends AssocOneHelp {
     return ref;
   }
 
-  @Override
   void appendFrom(DbSqlContext ctx, SqlJoinType joinType) {
     // add join to support the discriminator column
     String relativePrefix = ctx.getRelativePrefix(property.name);
-    property.tableJoin.addJoin(joinType, relativePrefix, ctx);
+    ctx.addExtraJoin(new Extra(relativePrefix, joinType));
+  }
+
+  /**
+   * Extra join to support the discriminator column.
+   */
+  final class Extra implements SqlTreeJoin {
+    final String relativePrefix;
+    final SqlJoinType joinType;
+    Extra(String relativePrefix, SqlJoinType joinType) {
+      this.relativePrefix = relativePrefix;
+      this.joinType = joinType;
+    }
+
+    @Override
+    public void addJoin(DbSqlContext ctx) {
+      // add join to support the discriminator column *IF* join is not already present
+      property.tableJoin.addJoin(joinType, relativePrefix, ctx);
+    }
   }
 
   /**

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanDescriptor.java

@@ -86,6 +86,8 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
   private final ConcurrentHashMap<String, ElPropertyDeploy> elDeployCache = new ConcurrentHashMap<>();
   private final ConcurrentHashMap<String, ElComparator<T>> comparatorCache = new ConcurrentHashMap<>();
   private final ConcurrentHashMap<String, STreeProperty> dynamicProperty = new ConcurrentHashMap<>();
+  private final ConcurrentHashMap<String, Map<String,String>> pathMaps = new ConcurrentHashMap<>();
+
   private final Map<String, SpiRawSql> namedRawSql;
   private final Map<String, String> namedQuery;
   private final boolean multiValueSupported;
@@ -1308,8 +1310,8 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
    * Hit the bean cache trying to load a list/batch of entities.
    * Return the set of entities that were successfully loaded from L2 cache.
    */
-  public Set<EntityBeanIntercept> cacheBeanLoadAll(List<EntityBeanIntercept> list, PersistenceContext persistenceContext, int lazyLoadProperty, String propertyName) {
-    return cacheHelp.beanCacheLoadAll(list, persistenceContext, lazyLoadProperty, propertyName);
+  public Set<EntityBeanIntercept> cacheBeanLoadAll(Set<EntityBeanIntercept> batch, PersistenceContext persistenceContext, int lazyLoadProperty, String propertyName) {
+    return cacheHelp.beanCacheLoadAll(batch, persistenceContext, lazyLoadProperty, propertyName);
   }
 
   /**
@@ -2775,6 +2777,22 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
     return draftableElement;
   }
 
+  @Override
+  public Map<String, String> pathMap(String prefix) {
+    return pathMaps.computeIfAbsent(prefix, s -> {
+      HashMap<String, String> m = new HashMap<>();
+      for (STreePropertyAssocMany many : propsMany()) {
+        String name = many.name();
+        m.put(name, prefix + "." + name);
+      }
+      for (STreePropertyAssocOne one : propsOne()) {
+        String name = one.name();
+        m.put(name, prefix + "." + name);
+      }
+      return m.isEmpty() ? Collections.emptyMap() : m;
+    });
+  }
+
   @Override
   public boolean isEmbeddedPath(String propertyPath) {
     ElPropertyDeploy elProp = elPropertyDeploy(propertyPath);

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanDescriptorCacheHelp.java

@@ -693,9 +693,9 @@ final class BeanDescriptorCacheHelp<T> {
   /**
    * Load a batch of entities from L2 bean cache checking the lazy loaded property is loaded.
    */
-  Set<EntityBeanIntercept> beanCacheLoadAll(List<EntityBeanIntercept> list, PersistenceContext context, int lazyLoadProperty, String propertyName) {
+  Set<EntityBeanIntercept> beanCacheLoadAll(Set<EntityBeanIntercept> batch, PersistenceContext context, int lazyLoadProperty, String propertyName) {
     Map<Object, EntityBeanIntercept> ebis = new HashMap<>();
-    for (EntityBeanIntercept ebi : list) {
+    for (EntityBeanIntercept ebi : batch) {
       ebis.put(desc.cacheKeyForBean(ebi.getOwner()), ebi);
     }
 
@@ -716,7 +716,6 @@ final class BeanDescriptorCacheHelp<T> {
         if (beanLog.isTraceEnabled()) {
           beanLog.trace("   load {}({}) - cache miss on property({})", cacheName, key, propertyName);
         }
-        iterator.remove();
       } else {
         CachedBeanDataToBean.load(desc, ebi.getOwner(), cacheData, context);
         loaded.add(ebi);

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanProperty.java

@@ -992,6 +992,9 @@ public class BeanProperty implements ElPropertyValue, Property, STreeProperty {
    */
   public String renderDbType(DbPlatformType dbType, boolean strict) {
     if (dbColumnDefn != null) {
+      if (dbColumnDefn.endsWith(";")) {
+        return dbColumnDefn + dbType.renderType(dbLength, dbScale, strict);
+      }
       return dbColumnDefn;
     }
     return dbType.renderType(dbLength, dbScale, strict);
@@ -1161,6 +1164,26 @@ public class BeanProperty implements ElPropertyValue, Property, STreeProperty {
     return lob;
   }
 
+  /**
+   * Returns true if this <code>isLob()</code> or the type will effectively map to a lob.
+   */
+  @Override
+  public boolean isDbLob() {
+    if (lob) {
+      return true;
+    }
+    switch (dbType) {
+      case DbPlatformType.JSON:
+      case DbPlatformType.JSONB:
+        return dbLength == 0; // must be analog to DbPlatformTypeMapping.lookup
+      case DbPlatformType.JSONBlob:
+      case DbPlatformType.JSONClob:
+        return true;
+      default:
+        return false;
+    }
+  }
+
   public static boolean isLobType(int type) {
     switch (type) {
       case Types.CLOB:

ebean-core/src/main/java/io/ebeaninternal/server/deploy/BeanPropertyAssocMany.java

@@ -226,7 +226,7 @@ public class BeanPropertyAssocMany<T> extends BeanPropertyAssoc<T> implements ST
    */
   @Override
   public void addBeanToCollectionWithCreate(EntityBean parentBean, EntityBean detailBean, boolean withCheck) {
-    BeanCollection<?> bc = (BeanCollection<?>) super.getValue(parentBean);
+    BeanCollection<?> bc = beanCollection(parentBean);
     if (bc == null) {
       bc = help.createEmpty(parentBean);
       setValue(parentBean, bc);
@@ -234,6 +234,15 @@ public class BeanPropertyAssocMany<T> extends BeanPropertyAssoc<T> implements ST
     help.add(bc, detailBean, withCheck);
   }
 
+  private BeanCollection<?> beanCollection(EntityBean parentBean) {
+    try {
+      return (BeanCollection<?>) super.getValue(parentBean);
+    } catch (ClassCastException e) {
+      // fetching element collection, ok for now
+      return null;
+    }
+  }
+
   /**
    * Return true if this is considered 'empty' from a save perspective.
    */

ebean-core/src/main/java/io/ebeaninternal/server/deploy/DbSqlContext.java

@@ -1,6 +1,7 @@
 package io.ebeaninternal.server.deploy;
 
 import io.ebeaninternal.server.query.SqlJoinType;
+import io.ebeaninternal.server.query.SqlTreeJoin;
 
 /**
  * Used to provide context during sql construction.
@@ -133,4 +134,13 @@ public interface DbSqlContext {
    */
   void appendFromForUpdate();
 
+  /**
+   * Delay adding an extra join to support inheritance discriminator in projection (IF required).
+   */
+  void addExtraJoin(SqlTreeJoin treeJoin);
+
+  /**
+   * Add extra joins *IF* required to support inheritance discriminator in projection.
+   */
+  void flushExtraJoins();
 }

ebean-core/src/main/java/io/ebeaninternal/server/deploy/DynamicPropertyAggregationFormula.java

@@ -62,4 +62,9 @@ class DynamicPropertyAggregationFormula extends DynamicPropertyBase {
     ctx.appendParseSelect(parsedFormula, alias);
   }
 
+  @Override
+  public boolean isDbLob() {
+    return false;
+  }
+
 }

ebean-core/src/main/java/io/ebeaninternal/server/deploy/id/ImportedIdEmbedded.java

@@ -85,6 +85,9 @@ public final class ImportedIdEmbedded implements ImportedId {
     for (ImportedIdSimple anImported : imported) {
       if (anImported.owner.isUpdateable()) {
         Object scalarValue = anImported.foreignProperty.getValue(embedded);
+        if (scalarValue == null) {
+          return -1; // could not bind
+        }
         update.setParameter(pos++, scalarValue);
       }
     }

ebean-core/src/main/java/io/ebeaninternal/server/deploy/id/ImportedIdSimple.java

@@ -151,6 +151,9 @@ public final class ImportedIdSimple implements ImportedId, Comparable<ImportedId
   @Override
   public int bind(int position, SqlUpdate update, EntityBean bean) {
     Object value = getIdValue(bean);
+    if (value == null) {
+      return -1; // could not bind
+    }
     update.setParameter(position, value);
     return ++position;
   }

ebean-core/src/main/java/io/ebeaninternal/server/deploy/meta/DeployBeanDescriptor.java

@@ -775,7 +775,7 @@ public class DeployBeanDescriptor<T> {
       this.identityMode.setIdType(IdType.EXTERNAL);
       switch (config.getUuidVersion()) {
         case VERSION1:
-          this.idGenerator = UuidV1IdGenerator.getInstance(config.getUuidStateFile());
+          this.idGenerator = UuidV1IdGenerator.getInstance(config.getUuidStateFile(), config.getUuidNodeId());
           break;
         case VERSION1RND:
           this.idGenerator = UuidV1RndIdGenerator.INSTANCE;

ebean-core/src/main/java/io/ebeaninternal/server/deploy/parse/AnnotationBase.java

@@ -1,14 +1,9 @@
 package io.ebeaninternal.server.deploy.parse;
 
-import io.ebean.annotation.Aggregation;
-import io.ebean.annotation.Avg;
 import io.ebean.annotation.DbMigration;
 import io.ebean.annotation.Index;
 import io.ebean.annotation.Indices;
-import io.ebean.annotation.Max;
-import io.ebean.annotation.Min;
 import io.ebean.annotation.Platform;
-import io.ebean.annotation.Sum;
 import io.ebean.config.NamingConvention;
 import io.ebean.config.dbplatform.DatabasePlatform;
 import io.ebean.util.AnnotationUtil;
@@ -20,7 +15,6 @@ import javax.persistence.JoinColumns;
 import javax.persistence.NamedQueries;
 import javax.persistence.NamedQuery;
 import java.lang.annotation.Annotation;
-import java.lang.reflect.Field;
 import java.util.Collections;
 import java.util.Set;
 

ebean-core/src/main/java/io/ebeaninternal/server/deploy/parse/DeployInherit.java

@@ -6,6 +6,7 @@ import io.ebeaninternal.server.deploy.InheritInfo;
 import io.ebeaninternal.server.deploy.meta.DeployBeanDescriptor;
 
 import javax.persistence.DiscriminatorColumn;
+import javax.persistence.DiscriminatorType;
 import javax.persistence.DiscriminatorValue;
 import javax.persistence.Inheritance;
 import java.util.LinkedHashMap;
@@ -105,8 +106,11 @@ public final class DeployInherit {
     if (da != null) {
       // lowercase the discriminator column for RawSql and JSON
       info.setColumnName(da.name().toLowerCase());
-      info.setColumnType(da.discriminatorType());
-      info.setColumnLength(da.length());
+      DiscriminatorType discriminatorType = da.discriminatorType();
+      info.setColumnType(discriminatorType);
+      if (discriminatorType == DiscriminatorType.STRING) {
+        info.setColumnLength(da.length());
+      }
       info.setColumnDefn(da.columnDefinition());
     }
     if (!info.isAbstract()) {

ebean-core/src/main/java/io/ebeaninternal/server/executor/DaemonExecutorService.java

@@ -0,0 +1,67 @@
+package io.ebeaninternal.server.executor;
+
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.concurrent.*;
+import java.util.concurrent.locks.ReentrantLock;
+
+/**
+ * A "CachedThreadPool" based on Daemon threads.
+ * <p>
+ * The Threads are created as needed and once idle live for 60 seconds.
+ */
+final class DaemonExecutorService {
+
+  private static final Logger logger = LoggerFactory.getLogger(DaemonExecutorService.class);
+
+  private final ReentrantLock lock = new ReentrantLock(false);
+  private final String namePrefix;
+  private final int shutdownWaitSeconds;
+  private final ExecutorService service;
+
+  DaemonExecutorService(int shutdownWaitSeconds, String namePrefix) {
+    this.service = Executors.newCachedThreadPool(new DaemonThreadFactory(namePrefix));
+    this.shutdownWaitSeconds = shutdownWaitSeconds;
+    this.namePrefix = namePrefix;
+  }
+
+  <T> Future<T> submit(Callable<T> task) {
+    return service.submit(task);
+  }
+
+  Future<?> submit(Runnable task) {
+    return service.submit(task);
+  }
+
+  /**
+   * Shutdown this thread pool nicely if possible.
+   * <p>
+   * This will wait a maximum of 20 seconds before terminating any threads still working.
+   */
+  void shutdown() {
+    lock.lock();
+    try {
+      if (service.isShutdown()) {
+        logger.debug("DaemonExecutorService[{}] already shut down", namePrefix);
+        return;
+      }
+      try {
+        logger.debug("DaemonExecutorService[{}] shutting down...", namePrefix);
+        service.shutdown();
+        if (!service.awaitTermination(shutdownWaitSeconds, TimeUnit.SECONDS)) {
+          logger.info("DaemonExecutorService[{}] shut down timeout exceeded. Terminating running threads.", namePrefix);
+          service.shutdownNow();
+        }
+
+      } catch (Exception e) {
+        logger.error("Error during shutdown of DaemonThreadPool[" + namePrefix + "]", e);
+        e.printStackTrace();
+      }
+    } finally {
+      lock.unlock();
+    }
+  }
+
+}

ebean-core/src/main/java/io/ebeaninternal/server/executor/DefaultBackgroundExecutor.java

@@ -1,15 +1,13 @@
 package io.ebeaninternal.server.executor;
 
 import io.avaje.lang.NonNullApi;
+import io.ebean.config.BackgroundExecutorWrapper;
 import io.ebeaninternal.api.SpiBackgroundExecutor;
-import org.slf4j.MDC;
 
-import java.util.Map;
-import java.util.concurrent.Callable;
-import java.util.concurrent.Future;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
-import java.util.concurrent.TimeUnit;
+import java.util.concurrent.*;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * The default implementation of the BackgroundExecutor.
@@ -17,56 +15,81 @@ import java.util.concurrent.TimeUnit;
 @NonNullApi
 public final class DefaultBackgroundExecutor implements SpiBackgroundExecutor {
 
-  private final ScheduledExecutorService executor;
+  private static final Logger log = LoggerFactory.getLogger("io.ebean.BackgroundExecutor");
+
+  private final ScheduledExecutorService schedulePool;
+  private final DaemonExecutorService pool;
+  private final BackgroundExecutorWrapper wrapper;
 
   /**
    * Construct the default implementation of BackgroundExecutor.
    */
-  public DefaultBackgroundExecutor(int schedulePoolSize, int shutdownWaitSeconds, String namePrefix) {
-    this.executor = new DaemonScheduleThreadPool(schedulePoolSize, shutdownWaitSeconds, namePrefix);
+  public DefaultBackgroundExecutor(int schedulePoolSize, int shutdownWaitSeconds, String namePrefix, BackgroundExecutorWrapper wrapper) {
+    this.schedulePool = new DaemonScheduleThreadPool(schedulePoolSize, shutdownWaitSeconds, namePrefix + "-periodic-");
+    this.pool = new DaemonExecutorService(shutdownWaitSeconds, namePrefix);
+    this.wrapper = wrapper;
+    log.debug("Created backgroundExecutor {} (schedulePoolSize={}, shutdownWaitSeconds={})", namePrefix, schedulePoolSize, shutdownWaitSeconds);
   }
 
   /**
    * Wrap the task with MDC context if defined.
    */
-  <T> Callable<T> wrapMDC(Callable<T> task) {
-    final Map<String, String> map = MDC.getCopyOfContextMap();
-    if (map == null) {
+  <T> Callable<T> wrap(Callable<T> task) {
+    if (wrapper == null) {
       return task;
     } else {
-      return () -> {
-        MDC.setContextMap(map);
-        try {
-          return task.call();
-        } finally {
-          MDC.clear();
-        }
-      };
+      return wrapper.wrap(task);
     }
   }
 
   /**
    * Wrap the task with MDC context if defined.
    */
-  Runnable wrapMDC(Runnable task) {
-    final Map<String, String> map = MDC.getCopyOfContextMap();
-    if (map == null) {
+  Runnable wrap(Runnable task) {
+    if (wrapper == null) {
       return task;
     } else {
-      return () -> {
-        MDC.setContextMap(map);
-        try {
+      return wrapper.wrap(task);
+    }
+  }
+
+
+  /**
+   * Decorates a runnable by adding an exception handler and some timing metrics.
+   * This is used in methods that accepts a <code>Runnable</code> and return
+   * either <code>void</code> or <code>ScheduledFuture</code>, as there is
+   * normally no Future.get() call.
+   *
+   * Note: When submitting a <code>Callable</code>, you must check
+   * <code>Future.get()</code> for exceptions.
+   */
+  private Runnable logExceptions(Runnable task) {
+    long queued = System.nanoTime();
+    log.trace("Queued {}", task);
+    return () -> {
+      try {
+        if (log.isTraceEnabled()) {
+          long start = System.nanoTime();
+          log.trace("Start {} (delay time {} us)", task, (start - queued) / 1000L);
+          task.run();
+          log.trace("Stop {} (exec time {} us)", task, (System.nanoTime() - start) / 1000L);
+        } else {
           task.run();
-        } finally {
-          MDC.clear();
         }
-      };
-    }
+      } catch (Throwable t) {
+        // log any exception here. Note they will not bubble up to the calling user
+        // unless Future.get() is checked. (Which is almost never done on scheduled
+        // background executions)
+        log.error("Error while executing the task {}", task, t);
+        throw t;
+      }
+    };
   }
 
   @Override
   public <T> Future<T> submit(Callable<T> task) {
-    return executor.submit(wrapMDC(task));
+    // Note: No "logExceptions" as we expect Future.get() by the invoker
+    return pool.submit(wrap(task));
   }
 
   /**
@@ -74,47 +97,52 @@ public final class DefaultBackgroundExecutor implements SpiBackgroundExecutor {
    */
   @Override
   public Future<?> submit(Runnable task) {
-    return executor.submit(wrapMDC(task));
+    return pool.submit(wrap(task));
   }
 
+
   @Override
   public void execute(Runnable task) {
-    submit(task);
+    submit(logExceptions(task));
   }
 
   @Override
   public void executePeriodically(Runnable task, long delay, TimeUnit unit) {
-    executor.scheduleWithFixedDelay(wrapMDC(task), delay, delay, unit);
+    schedulePool.scheduleWithFixedDelay(wrap(logExceptions(task)), delay, delay, unit);
   }
 
   @Override
   public void executePeriodically(Runnable task, long initialDelay, long delay, TimeUnit unit) {
-    executor.scheduleWithFixedDelay(wrapMDC(task), initialDelay, delay, unit);
+    schedulePool.scheduleWithFixedDelay(wrap(logExceptions(task)), initialDelay, delay, unit);
   }
 
   @Override
   public ScheduledFuture<?> scheduleWithFixedDelay(Runnable task, long initialDelay, long delay, TimeUnit unit) {
-    return executor.scheduleWithFixedDelay(wrapMDC(task), initialDelay, delay, unit);
+    return schedulePool.scheduleWithFixedDelay(wrap(logExceptions(task)), initialDelay, delay, unit);
   }
 
   @Override
   public ScheduledFuture<?> scheduleAtFixedRate(Runnable task, long initialDelay, long delay, TimeUnit unit) {
-    return executor.scheduleAtFixedRate(wrapMDC(task), initialDelay, delay, unit);
+    return schedulePool.scheduleAtFixedRate(wrap(logExceptions(task)), initialDelay, delay, unit);
   }
 
   @Override
   public ScheduledFuture<?> schedule(Runnable task, long delay, TimeUnit unit) {
-    return executor.schedule(wrapMDC(task), delay, unit);
+    return schedulePool.schedule(wrap(logExceptions(task)), delay, unit);
   }
 
   @Override
   public <V> ScheduledFuture<V> schedule(Callable<V> task, long delay, TimeUnit unit) {
-    return executor.schedule(wrapMDC(task), delay, unit);
+    // Note: No "logExceptions" as we expect Future.get() by the invoker
+    return schedulePool.schedule(wrap(task), delay, unit);
   }
 
   @Override
   public void shutdown() {
-    executor.shutdown();
+    log.trace("BackgroundExecutor shutting down");
+    schedulePool.shutdown();
+    pool.shutdown();
+    log.debug("BackgroundExecutor stopped");
   }
 
 }

ebean-core/src/main/java/io/ebeaninternal/server/expression/platform/Db2DbExpression.java

@@ -0,0 +1,13 @@
+package io.ebeaninternal.server.expression.platform;
+
+/**
+ * DB2 handling of platform specific expressions. ARRAY expressions not supported.
+ */
+final class Db2DbExpression extends BasicDbExpression {
+
+  @Override
+  public String concat(String property0, String separator, String property1, String suffix) {
+    return concatOperator(property0, separator, property1, suffix);
+  }
+
+}

ebean-core/src/main/java/io/ebeaninternal/server/expression/platform/DbExpressionHandlerFactory.java

@@ -10,23 +10,22 @@ public final class DbExpressionHandlerFactory {
    * Create and return the appropriate platform specific handing of expressions.
    */
   public static DbExpressionHandler from(DatabasePlatform databasePlatform) {
-    Platform platform = databasePlatform.getPlatform();
+    Platform platform = databasePlatform.getPlatform().base();
     switch (platform) {
       case H2:
         return new H2DbExpression();
       case POSTGRES:
-      case POSTGRES9:
+      case YUGABYTE:
+      case COCKROACH:
         return new PostgresDbExpression();
       case MARIADB:
         return new MariaDbExpression();
-      case MYSQL55:
       case MYSQL:
         return new MySqlDbExpression();
       case ORACLE:
-      case ORACLE11:
         return new OracleDbExpression();
-      case SQLSERVER16:
-      case SQLSERVER17:
+      case DB2:
+        return new Db2DbExpression();
       case SQLSERVER:
         return new SqlServerDbExpression();
       case HANA:

ebean-core/src/main/java/io/ebeaninternal/server/expression/platform/H2DbExpression.java

@@ -10,6 +10,7 @@ final class H2DbExpression extends BasicDbExpression {
 
   @Override
   public void bitwise(SpiExpressionRequest request, String propName, BitwiseOp operator, long flags, String compare, long match) {
-    bitwiseFunction(request, propName, operator, compare);
+    String funcName = functionName(operator);
+    request.append(funcName).append("(").append(propName).append(", cast(? as long)) ").append(compare).append(" cast(? as long)");
   }
 }

ebean-core/src/main/java/io/ebeaninternal/server/idgen/UuidV1IdGenerator.java

@@ -12,7 +12,8 @@ import java.util.concurrent.ConcurrentHashMap;
  * It extends the UuidV1RndIdGenerator so that it can generate rfc4122 compliant Type 1 UUIDs.
  *
  * This generator produces real Type 1 UUIDs (best for sqlserver) - You should use this generator only,
- * if you can guarantee, that mac addess is uniqe.
+ * if you can guarantee, that mac addess is uniqe or specify 'ebean.uuidNodeId' in your config file.
+ * 
  */
 public class UuidV1IdGenerator extends UuidV1RndIdGenerator {
 
@@ -25,38 +26,36 @@ public class UuidV1IdGenerator extends UuidV1RndIdGenerator {
   /**
    * Returns an instance for given file.
    */
-  public static UuidV1IdGenerator getInstance(String file) {
-    return INSTANCES.computeIfAbsent(new File(file), UuidV1IdGenerator::new);
+  public static UuidV1IdGenerator getInstance(String file, String nodeId) {
+    return getInstance(new File(file), nodeId);
   }
 
   /**
    * Returns an instance for given file.
    */
-  public static UuidV1IdGenerator getInstance(File file) {
-    return INSTANCES.computeIfAbsent(file, UuidV1IdGenerator::new);
+  public static UuidV1IdGenerator getInstance(File file, String nodeId) {
+    return INSTANCES.computeIfAbsent(file, f ->new UuidV1IdGenerator(f, nodeId == null ? null : nodeId.toLowerCase()));
   }
 
   /**
    * Returns an alternative node id - set with the 'ebean.uuid.nodeId' system property.
    */
-  private static byte[] getAlternativeNodeId() {
+  private static byte[] parseAlternativeNodeId(String altNodeId) {
+    String[] components = altNodeId.split("-");
+    if (components.length != 6) {
+      throw new IllegalArgumentException(altNodeId + " is invalid. Expected format: xx-xx-xx-xx-xx-xx");
+    }
     try {
-      String altNodeId = System.getProperty("ebean.uuid.nodeId");
-      if (altNodeId != null) {
-        String[] components = altNodeId.split("-");
-        if (components.length != 5) {
-          throw new IllegalArgumentException("Invalid nodeId string: " + altNodeId);
-        }
-        byte[] nodeId = new byte[6];
-        for (int i=0; i<5; i++) {
-          nodeId[i] = Byte.decode("0x"+components[i]).byteValue();
-        }
-        return nodeId;
+      byte[] nodeId = new byte[6];
+      for (int i = 0; i < 6; i++) {
+        // do not use Byte.parseByte
+        // https://bugs.java.com/bugdatabase/view_bug.do?bug_id=6259307
+        nodeId[i] = (byte) Integer.parseInt(components[i], 16);
       }
-    } catch (SecurityException se) {
-      // ignore
+      return nodeId;
+    } catch (IllegalArgumentException iae) {
+      throw new IllegalArgumentException(altNodeId + " is invalid.", iae);
     }
-    return null;
   }
 
   /**
@@ -108,43 +107,85 @@ public class UuidV1IdGenerator extends UuidV1RndIdGenerator {
    * Creates a new instance of UuidGenerator. Note that there should not be more
    * than one instance per stateFile.
    */
-  private UuidV1IdGenerator(final File stateFile) {
+  private UuidV1IdGenerator(final File stateFile, String altNodeId) {
     super();
     this.stateFile = stateFile;
     try {
-      // See, if there is an alternative MAC address set.
-      nodeId = getAlternativeNodeId();
-      if (nodeId != null) {
-        log.info("Using alternative MAC {} to generate Type 1 UUIDs", getNodeIdentifier());
+      if (altNodeId == null) {
+        // using hardware mode
+        tryHardwareId();
+      } else if (altNodeId.equals("generate")) {
+        tryGenerateMode();
+      } else if (altNodeId.equals("random")) {
+        useRandomMode();
       } else {
-        nodeId = getHardwareId();
-        log.info("Using MAC {} to generate Type 1 UUIDs", getNodeIdentifier());
+        // See, if there is an alternative MAC address set.
+        nodeId = parseAlternativeNodeId(altNodeId);
+        restoreState();
+        log.info("Explicitly using ID {} to generate Type 1 UUIDs", getNodeIdentifier());
       }
-      if (nodeId == null) {
-        canSaveState = false;
-        // RFC 4.5 use random portion for node
-        nodeId = super.getNodeIdBytes();
-        log.error("Have to fall back to random node identifier {} (Reason: No suitable network interface found)", getNodeIdentifier());
+      UUID uuid = nextId(null);
+      long ts = timeStamp.get();
+      ts -= UUID_EPOCH_OFFSET;
+      ts /= MILLIS_TO_UUID;
 
-      } else {
-        boolean flag = restoreState();
-        UUID uuid = nextId(null);
-        long ts = timeStamp.get();
-        ts -= UUID_EPOCH_OFFSET;
-        ts /= MILLIS_TO_UUID;
-
-        saveState();
-        log.debug("RestoreState: {}, ClockSeq {}, Timestamp {}, uuid {}, stateFile: {})", flag, clockSeq.get(),
-            new Date(ts), uuid, stateFile);
-      }
+      saveState();
+      log.debug("Saved state: clockSeq {}, timestamp {}, uuid {}, stateFile: {})", clockSeq.get(), new Date(ts), uuid, stateFile);
     } catch (IOException e) {
-      canSaveState = false;
+      log.error("There was a problem while detecting the nodeId. Falling back to random mode. Try using to specify 'ebean.uuidNodeId' property", e);
+      useRandomMode();
+    }
+  }
+
+  /**
+   * Tries to initialize the generator by retrieving the MAC address from
+   * hardware. If there is no suitable network interface found, it will fall back
+   * to "generate" mode.
+   * 
+   * @throws IOException if state file is not readable or tryGenerateMode also
+   *                     fails.
+   */
+  private void tryHardwareId() throws IOException {
+    try {
+      nodeId = getHardwareId();
+    } catch (IOException e) {
+      log.error("Error while reading MAC address. Fall back to 'generate' mode", e);
+      tryGenerateMode();
+    }
+
+    if (nodeId != null) {
+      restoreState();
+      log.info("Using MAC {} to generate Type 1 UUIDs", getNodeIdentifier());
+      return;
+    }
+    log.warn("No suitable network interface found. Fall back to 'generate' mode");
+    tryGenerateMode();
+  }
+
+  /**
+   * Tries the "generate" mode. A nodeId is generated once and saved to the state
+   * file
+   */
+  private void tryGenerateMode() throws IOException {
+    if (restoreState()) {
+      log.info("Using recently generated nodeId {} to generate Type 1 UUIDs", getNodeIdentifier());
+    } else {
       // RFC 4.5 use random portion for node
       nodeId = super.getNodeIdBytes();
-      log.error("Have to fall back to random node identifier {} (Reason: {} )", getNodeIdentifier(), e.getMessage());
+      log.info("Using a newly generated nodeId {} to generate Type 1 UUIDs", getNodeIdentifier());
     }
   }
 
+  /**
+   * Random mode. A nodeId is generated every start up. no state file is
+   * maintained. This should always work.
+   */
+  private void useRandomMode() {
+    canSaveState = false;
+    nodeId = super.getNodeIdBytes();
+    log.info("Explicitly using a new random ID {} to generate Type 1 UUIDs", getNodeIdentifier());
+  }
+
   /**
    * Returns the Node-identifier (=MAC address) as string
    */
@@ -164,22 +205,38 @@ public class UuidV1IdGenerator extends UuidV1RndIdGenerator {
    */
   private boolean restoreState() throws IOException {
     Properties prop = new Properties();
-    if (stateFile.exists()) {
-      try (InputStream is = new FileInputStream(stateFile)) {
-        prop.load(is);
-      }
+    if (!stateFile.exists()) {
+      log.debug("State file '{}' does not exist", stateFile);
+      return false;
     }
-    if (getNodeIdentifier().equals(prop.getProperty("nodeId"))) {
-      try {
-        Integer seq = Integer.valueOf(prop.getProperty("clockSeq")) & 0x3FFF;
-        Long ts = Long.valueOf(prop.getProperty("timeStamp"));
-        clockSeq.set(seq);
-        timeStamp.set(ts);
-        log.debug("Restored state from '{}'", stateFile);
-        return true;
-      } catch (NumberFormatException nfe) {
-        // nop
+    try (InputStream is = new FileInputStream(stateFile)) {
+      prop.load(is);
+    }
+
+    String propNodeId = prop.getProperty("nodeId");
+    if (propNodeId == null || propNodeId.isEmpty()) {
+      log.warn("State file '{}' is incomplete", stateFile);
+      return false; // we cannot restore
+    }
+    try {
+      if (nodeId == null) {
+        nodeId = parseAlternativeNodeId(propNodeId);
+      } else if (!getNodeIdentifier().equals(propNodeId)) {
+        log.warn(
+            "The nodeId in the state file '{}' has changed from {} to {}. "
+                + "This can happen when MAC address changes or when two containers share the same state file",
+            stateFile, propNodeId, getNodeIdentifier());
+        return false;
       }
+      Integer seq = Integer.valueOf(prop.getProperty("clockSeq")) & 0x3FFF;
+      Long ts = Long.valueOf(prop.getProperty("timeStamp"));
+      clockSeq.set(seq);
+      timeStamp.set(ts);
+      log.debug("State successfully restored: {}", prop);
+      return true;
+      
+    } catch (IllegalArgumentException nfe) {
+      log.error("State file '{}' is corrupt", stateFile, nfe);
     }
     return false;
   }

ebean-core/src/main/java/io/ebeaninternal/server/loadcontext/DLoadBeanContext.java

@@ -15,6 +15,7 @@ import io.ebeaninternal.server.deploy.BeanPropertyAssocMany;
 import io.ebeaninternal.server.querydefn.OrmQueryProperties;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.concurrent.locks.Lock;
@@ -66,7 +67,7 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
     }
   }
 
-  protected void register(EntityBeanIntercept ebi) {
+  void register(EntityBeanIntercept ebi) {
     if (currentBuffer.isFull()) {
       currentBuffer = createBuffer(batchSize);
     }
@@ -91,7 +92,7 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
     try {
       if (bufferList != null) {
         for (LoadBuffer loadBuffer : bufferList) {
-          if (!loadBuffer.list.isEmpty()) {
+          if (!loadBuffer.batch.isEmpty()) {
             parent.getEbeanServer().loadBean(new LoadBeanRequest(loadBuffer, parentRequest));
           }
           if (forEach) {
@@ -115,13 +116,13 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
     private final ReentrantLock bufferLock = new ReentrantLock();
     private final DLoadBeanContext context;
     private final int batchSize;
-    private final List<EntityBeanIntercept> list;
+    private final Set<EntityBeanIntercept> batch;
     private PersistenceContext persistenceContext;
 
     LoadBuffer(DLoadBeanContext context, int batchSize) {
       this.context = context;
       this.batchSize = batchSize;
-      this.list = new ArrayList<>(batchSize);
+      this.batch = new HashSet<>(Math.max((int) (batchSize/.75f) + 1, 16));
     }
 
     @Override
@@ -139,7 +140,7 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
      * Return true if the buffer is full.
      */
     public boolean isFull() {
-      return batchSize == list.size();
+      return batchSize == batch.size();
     }
 
     /**
@@ -150,12 +151,12 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
         // get persistenceContext from first loaded bean into the buffer
         persistenceContext = ebi.getPersistenceContext();
       }
-      list.add(ebi);
+      batch.add(ebi);
     }
 
     @Override
-    public List<EntityBeanIntercept> batch() {
-      return list;
+    public Set<EntityBeanIntercept> batch() {
+      return batch;
     }
 
     @Override
@@ -190,13 +191,13 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
         // lazy load property was a Many
         return;
       }
-      if (list.isEmpty()) {
+      if (!batch.contains(ebi)) {
         // re-add to the batch and lazy load from DB skipping l2 cache
-        list.add(ebi);
+        batch.add(ebi);
       } else if (context.hitCache) {
-        Set<EntityBeanIntercept> hits = context.desc.cacheBeanLoadAll(list, persistenceContext, ebi.getLazyLoadPropertyIndex(), ebi.getLazyLoadProperty());
-        list.removeAll(hits);
-        if (list.isEmpty() || hits.contains(ebi)) {
+        Set<EntityBeanIntercept> hits = context.desc.cacheBeanLoadAll(batch, persistenceContext, ebi.getLazyLoadPropertyIndex(), ebi.getLazyLoadProperty());
+        batch.removeAll(hits);
+        if (batch.isEmpty() || hits.contains(ebi)) {
           // successfully hit the L2 cache so don't invoke DB lazy loading
           return;
         }
@@ -204,7 +205,7 @@ final class DLoadBeanContext extends DLoadBaseContext implements LoadBeanContext
 
       LoadBeanRequest req = new LoadBeanRequest(this, ebi, context.hitCache);
       context.desc.ebeanServer().loadBean(req);
-      list.clear();
+      batch.clear();
     }
   }
 

ebean-core/src/main/java/io/ebeaninternal/server/persist/BatchedPstmt.java

@@ -21,18 +21,12 @@ import java.util.List;
  */
 public final class BatchedPstmt implements SpiProfileTransactionEvent {
 
-  /**
-   * The underlying statement.
-   */
+  private static final DB2GetKeys DB2_HACK = new DB2GetKeys();
+
   private PreparedStatement pstmt;
-
-  /**
-   * True if an insert that uses generated keys.
-   */
   private final boolean isGenKeys;
-
   /**
-   * The list of BatchPostExecute used to perform post processing.
+   * The list of BatchPostExecute used to perform post-processing.
    */
   private final List<BatchPostExecute> list = new ArrayList<>();
   private final String sql;
@@ -170,12 +164,14 @@ public final class BatchedPstmt implements SpiProfileTransactionEvent {
   }
 
   private void getGeneratedKeys() throws SQLException {
+    if (DB2_HACK.getGeneratedKeys(pstmt, list)) {
+      return;
+    }
     int index = 0;
     try (ResultSet rset = pstmt.getGeneratedKeys()) {
       while (rset.next()) {
         Object idValue = rset.getObject(1);
-        list.get(index).setGeneratedKey(idValue);
-        index++;
+        list.get(index++).setGeneratedKey(idValue);
       }
     }
   }

ebean-core/src/main/java/io/ebeaninternal/server/persist/DB2GetKeys.java

@@ -0,0 +1,55 @@
+package io.ebeaninternal.server.persist;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.List;
+
+/**
+ * Horrible DB2 hack.
+ */
+final class DB2GetKeys {
+
+  private static Class<? extends PreparedStatement> DB2_PREPARED_STATEMENT;
+  private static Method GET_DB_GENERATED_KEYS;
+
+  static {
+    try {
+      DB2_PREPARED_STATEMENT = (Class<? extends PreparedStatement>) Class.forName("com.ibm.db2.jcc.DB2PreparedStatement");
+      GET_DB_GENERATED_KEYS = DB2_PREPARED_STATEMENT.getDeclaredMethod("getDBGeneratedKeys");
+    } catch (ClassNotFoundException | NoSuchMethodException | SecurityException cnf) {
+      // NOP
+    }
+  }
+
+  static boolean getGeneratedKeys(PreparedStatement pstmt, List<BatchPostExecute> list) throws SQLException {
+    if (DB2_PREPARED_STATEMENT != null) {
+      PreparedStatement db2Stmt = null;
+      if (DB2_PREPARED_STATEMENT.isInstance(pstmt)) {
+        db2Stmt = pstmt;
+      } else if (pstmt.isWrapperFor(DB2_PREPARED_STATEMENT)) {
+        db2Stmt = pstmt.unwrap(DB2_PREPARED_STATEMENT);
+      }
+      if (db2Stmt != null) {
+        // WTF: https://stackoverflow.com/questions/41725492/how-to-get-auto-generated-keys-of-batch-insert-statement
+        ResultSet[] result;
+        try {
+          result = (ResultSet[]) GET_DB_GENERATED_KEYS.invoke(db2Stmt);
+        } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
+          throw new SQLException("Could not get generated keys for DB2", e);
+        }
+        int index = 0;
+        for (ResultSet resultSet : result) {
+          while (resultSet.next()) {
+            Object idValue = resultSet.getObject(1);
+            list.get(index++).setGeneratedKey(idValue);
+          }
+        }
+        return true;
+      }
+    }
+    return false;
+  }
+}

ebean-core/src/main/java/io/ebeaninternal/server/persist/DefaultPersister.java

@@ -41,15 +41,15 @@ public final class DefaultPersister implements Persister {
    * Actually does the persisting work.
    */
   private final PersistExecute persistExecute;
-
   private final SpiEbeanServer server;
-
   private final BeanDescriptorManager beanDescriptorManager;
+  private final int maxInBinding;
 
   public DefaultPersister(SpiEbeanServer server, Binder binder, BeanDescriptorManager descMgr) {
     this.server = server;
     this.beanDescriptorManager = descMgr;
     this.persistExecute = new DefaultPersistExecute(binder, server.config().getPersistBatchSize());
+    this.maxInBinding = server.databasePlatform().getMaxInBinding();
   }
 
   @Override
@@ -81,8 +81,7 @@ public final class DefaultPersister implements Persister {
       int rc = request.executeOrQueue();
       request.commitTransIfRequired();
       return rc;
-
-    } catch (RuntimeException e) {
+    } catch (Throwable e) {
       request.rollbackTransIfRequired();
       throw e;
     } finally {
@@ -333,6 +332,13 @@ public final class DefaultPersister implements Persister {
    * Recursively delete the bean. This calls back to the EbeanServer.
    */
   private int deleteRecurse(EntityBean detailBean, Transaction t, DeleteMode deleteMode) {
+    return deleteRequest(createDeleteCascade(detailBean, t, deleteMode.persistType()));
+  }
+
+  /**
+   * Delete without being a cascade.
+   */
+  private int delete(EntityBean detailBean, Transaction t, DeleteMode deleteMode) {
     return deleteRequest(createDeleteRequest(detailBean, t, deleteMode.persistType()));
   }
 
@@ -376,8 +382,7 @@ public final class DefaultPersister implements Persister {
       req.resetDepth();
       req.commitTransIfRequired();
       req.flushBatchOnCascade();
-
-    } catch (RuntimeException ex) {
+    } catch (Throwable ex) {
       req.rollbackTransIfRequired();
       throw ex;
     } finally {
@@ -413,8 +418,7 @@ public final class DefaultPersister implements Persister {
       req.resetDepth();
       req.commitTransIfRequired();
       req.flushBatchOnCascade();
-
-    } catch (RuntimeException ex) {
+    } catch (Throwable ex) {
       req.rollbackTransIfRequired();
       throw ex;
     } finally {
@@ -552,7 +556,7 @@ public final class DefaultPersister implements Persister {
       req.flushBatchOnCascade();
       return rows;
 
-    } catch (RuntimeException ex) {
+    } catch (Throwable ex) {
       req.rollbackTransIfRequired();
       throw ex;
     } finally {
@@ -560,7 +564,7 @@ public final class DefaultPersister implements Persister {
     }
   }
 
-  private void deleteList(List<?> beanList, SpiTransaction t, DeleteMode deleteMode, boolean children) {
+  private void deleteCascade(List<?> beanList, SpiTransaction t, DeleteMode deleteMode, boolean children) {
     if (children) {
       t.depth(-1);
       t.checkBatchEscalationOnCollection();
@@ -604,7 +608,7 @@ public final class DefaultPersister implements Persister {
     for (Object id : ids) {
       EntityBean bean = descriptor.createEntityBean();
       descriptor.convertSetId(id, bean);
-      int rowCount = deleteRecurse(bean, transaction, deleteMode);
+      int rowCount = delete(bean, transaction, deleteMode);
       if (rowCount == -1) {
         total = -1;
       } else if (total != -1) {
@@ -642,6 +646,20 @@ public final class DefaultPersister implements Persister {
    * Delete by Id or a List of Id's.
    */
   private int delete(BeanDescriptor<?> descriptor, Object id, List<Object> idList, Transaction transaction, DeleteMode deleteMode) {
+    int rows = 0;
+    if (maxInBinding > 0) {
+      // SqlServer has a 2100 parameter limit, so delete max 2000 ids at once
+      // this gives space up to 100 more query parameters.
+      while (idList != null && idList.size() > maxInBinding) {
+        rows += deleteBatch(descriptor, id, idList.subList(0, maxInBinding), transaction, deleteMode);
+        idList = idList.subList(maxInBinding, idList.size());
+      }
+    }
+    rows += deleteBatch(descriptor, id, idList, transaction, deleteMode);
+    return rows;
+  }
+
+  private int deleteBatch(BeanDescriptor<?> descriptor, Object id, List<Object> idList, Transaction transaction, DeleteMode deleteMode) {
     SpiTransaction t = (SpiTransaction) transaction;
     if (t.isPersistCascade()) {
       BeanPropertyAssocOne<?>[] propImportDelete = descriptor.propertiesOneImportedDelete();
@@ -656,7 +674,7 @@ public final class DefaultPersister implements Persister {
             t.logSummary("-- DeleteById of " + descriptor.name() + " ids[" + idList + "] requires fetch of foreign key values");
           }
           List<?> beanList = server.findList(q, t);
-          deleteList(beanList, t, deleteMode, false);
+          deleteCascade(beanList, t, deleteMode, false);
           return beanList.size();
 
         } else {
@@ -994,6 +1012,8 @@ public final class DefaultPersister implements Persister {
           executeSqlUpdate(sqlDelete, t);
 
         } else {
+          // TODO: Review first checking if many property is loaded and using the loaded beans
+          // ... and only using findIdsByParentId() when the many property isn't loaded
           // Delete recurse using the Id values of the children
           Object parentId = desc.getId(parentBean);
           List<Object> idsByParentId = many.findIdsByParentId(parentId, null, t, excludeDetailIds, deleteMode.isHard());
@@ -1017,7 +1037,7 @@ public final class DefaultPersister implements Persister {
       for (Object id : childIds) {
         refList.add(targetDesc.createReference(id, null));
       }
-      deleteList(refList, t, deleteMode, true);
+      deleteCascade(refList, t, deleteMode, true);
     } else {
       // perform delete by statement if possible
       delete(targetDesc, null, childIds, t, deleteMode);
@@ -1157,6 +1177,10 @@ public final class DefaultPersister implements Persister {
     return createDeleteRequest(bean, t, type, Flags.ZERO);
   }
 
+  private <T> PersistRequestBean<T> createDeleteCascade(EntityBean bean, Transaction t, Type type) {
+    return createDeleteRequest(bean, t, type, Flags.RECURSE);
+  }
+
   @SuppressWarnings({"unchecked"})
   private <T> PersistRequestBean<T> createDeleteRequest(Object bean, Transaction t, PersistRequest.Type type, int flags) {
     BeanManager<T> mgr = beanManager(bean.getClass());
@@ -1167,7 +1191,7 @@ public final class DefaultPersister implements Persister {
       type = Type.DELETE_SOFT;
     }
 
-    PersistRequestBean<T> request =  new PersistRequestBean<>(server, (T)bean, null, mgr, (SpiTransaction) t, persistExecute, type, flags);
+    PersistRequestBean<T> request = new PersistRequestBean<>(server, (T) bean, null, mgr, (SpiTransaction) t, persistExecute, type, flags);
     request.initForSoftDelete();
     return request;
   }
@@ -1186,7 +1210,7 @@ public final class DefaultPersister implements Persister {
    */
   @SuppressWarnings("unchecked")
   private <T> BeanManager<T> beanManager(Class<?> cls) {
-    BeanManager<T> mgr = (BeanManager<T>)beanDescriptorManager.beanManager(cls);
+    BeanManager<T> mgr = (BeanManager<T>) beanDescriptorManager.beanManager(cls);
     if (mgr == null) {
       throw new PersistenceException(errNotRegistered(cls));
     }

ebean-core/src/main/java/io/ebeaninternal/server/persist/dml/InsertMeta.java

@@ -13,11 +13,8 @@ import io.ebeaninternal.server.persist.dmlbind.BindableList;
 
 import java.sql.SQLException;
 
-import static io.ebean.annotation.Platform.MARIADB;
-import static io.ebean.annotation.Platform.MYSQL;
-
 /**
- * Meta data for insert handler. The meta data is for a particular bean type. It
+ * Metadata for insert handler. The metadata is for a particular bean type. It
  * is considered immutable and is thread safe.
  */
 final class InsertMeta {
@@ -153,31 +150,25 @@ final class InsertMeta {
   private String genSql(boolean nullId, String table, boolean draftTable) {
     GenerateDmlRequest request = new GenerateDmlRequest();
     request.setInsertSetMode();
-
     request.append("insert into ").append(table);
     if (nullId && noColumnsForInsert(draftTable)) {
       return request.append(defaultValues()).toString();
     }
-
     request.append(" (");
     if (!nullId) {
       id.dmlAppend(request);
     }
-
     if (shadowFKey != null) {
       shadowFKey.dmlAppend(request);
     }
-
     if (discriminator != null) {
       discriminator.dmlAppend(request);
     }
-
     if (draftTable) {
       all.dmlAppend(request);
     } else {
       allExcludeDraftOnly.dmlAppend(request);
     }
-
     request.append(") values (");
     request.append(request.getInsertBindBuffer());
     request.append(")");
@@ -185,7 +176,16 @@ final class InsertMeta {
   }
 
   private String defaultValues() {
-    return platform.base() == MYSQL || platform.base() == MARIADB ? " values (default)" : " default values";
+    switch (platform.base()) {
+      case MYSQL:
+      case MARIADB:
+      case ORACLE:
+        return " values (default)";
+      case DB2:
+        return " (" + id.getIdentityColumn() + ") values (default)";
+      default:
+        return " default values";
+    }
   }
 
   /**