[maven-release-plugin] prepare release ebean-parent-12.15.1

[DDL-Cockroach] Fixes for Cockroach platform

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+
+name: Build
+
+on: [push, pull_request]
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [8]
+        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: Maven single test
+#      run: mvn --batch-mode clean verify -Dtest="io.ebeaninternal.server.core.DefaultServer_getReferenceTest" -DfailIfNoTests=false
+    - name: Build with Maven
+      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

@@ -0,0 +1,39 @@
+
+name: JDK 18-ea
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '30 6 * * 1,3,5'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [18-ea]
+        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: Build with Maven
+      run: mvn package
+

.github/workflows/mariadb.yml

@@ -0,0 +1,38 @@
+
+name: MariaDB
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 7 * * 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: ${{ matrix.java_version }}
+        distribution: 'adopt'
+    - name: Maven cache
+      uses: actions/cache@v2
+      env:
+        cache-name: maven-cache
+      with:
+        path:
+          ~/.m2
+        key: build-${{ env.cache-name }}
+    - name: mariadb 10.6
+      run: mvn clean test -Dprops.file=testconfig/ebean-mariadb.properties

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

@@ -0,0 +1,51 @@
+
+name: Multi-database platform
+
+on: [workflow_dispatch]
+
+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: 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: 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/multi-jdk-build.yml

@@ -0,0 +1,39 @@
+
+name: Multi-JDK Build
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '30 6 * * *'
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    permissions:
+      contents: read
+      packages: write
+    strategy:
+      fail-fast: false
+      matrix:
+        java_version: [8.0.192, 8, 11.0.3, 11, 17]
+        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: Build with Maven
+      run: mvn package
+

.github/workflows/mysql.yml

@@ -0,0 +1,38 @@
+
+name: MySql
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '20 6 * * *'
+
+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: mysql
+      run: mvn clean test -Dprops.file=testconfig/ebean-mysql.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/postgres.yml

@@ -0,0 +1,38 @@
+
+name: Postgres
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 6 * * *'
+
+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: postgres
+      run: mvn clean test -Dprops.file=testconfig/ebean-postgres.properties

.github/workflows/sqlserver-2019.yml

@@ -0,0 +1,35 @@
+
+name: SqlServer 2019
+
+on: [workflow_dispatch]
+
+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: sqlserver 2019 latest
+      run: mvn clean test -Dprops.file=testconfig/ebean-sqlserver19.properties

.github/workflows/sqlserver.yml

@@ -0,0 +1,38 @@
+
+name: SqlServer
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron: '10 7 * * 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: 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 @@
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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

@@ -1,5 +1,15 @@
-[![Build Status](https://travis-ci.org/ebean-orm/ebean.svg?branch=master)](https://travis-ci.org/ebean-orm/ebean)
+[![Build](https://github.com/ebean-orm/ebean/actions/workflows/build.yml/badge.svg)](https://github.com/ebean-orm/ebean/actions/workflows/build.yml)
 [![Maven Central : ebean](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.ebean/ebean)
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://github.com/ebean-orm/ebean/blob/master/LICENSE)
+[![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.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>
@@ -41,6 +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>12.12.3</version>
+    <version>12.15.1</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>
 

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

@@ -2,6 +2,8 @@ package io.ebean;
 
 import io.avaje.lang.NonNullApi;
 import io.avaje.lang.Nullable;
+
+import java.util.Collection;
 import java.util.List;
 import java.util.Optional;
 import java.util.function.Consumer;
@@ -127,6 +129,13 @@ public interface DtoQuery<T> extends CancelableQuery {
    */
   DtoQuery<T> setParameter(String name, Object value);
 
+  /**
+   * Bind the named multi-value array parameter which we would use with Postgres ANY.
+   * <p>
+   * For Postgres this binds an ARRAY rather than expands into multiple bind values.
+   */
+  DtoQuery<T> setArrayParameter(String name, Collection<?> values);
+
   /**
    * Bind the parameter by its index position (1 based like JDBC).
    */

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/SqlUpdate.java

@@ -1,5 +1,7 @@
 package io.ebean;
 
+import java.util.Collection;
+
 /**
  * A SqlUpdate for executing insert update or delete statements.
  * <p>
@@ -324,6 +326,13 @@ public interface SqlUpdate {
    */
   SqlUpdate setParameter(String name, Object param);
 
+  /**
+   * Bind the named multi-value array parameter which we would use with Postgres ANY.
+   * <p>
+   * For Postgres this binds an ARRAY rather than expands into multiple bind values.
+   */
+  SqlUpdate setArrayParameter(String name, Collection<?> values);
+
   /**
    * Set a named parameter that has a null value. Exactly the same as
    * {@link #setNullParameter(String, int)}.

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;
   }
 
   /**

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.
    */
@@ -2019,6 +2046,20 @@ 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.
@@ -2888,6 +2929,7 @@ 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/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) {
@@ -378,7 +396,7 @@ public class PlatformConfig {
     BINARY(false, true, false),
 
     /**
-     * Store using DB BINARY(16).
+     * Store using DB BINARY(16) with optimized packing.
      */
     BINARY_OPTIMIZED(false, true, true);
 

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/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;
@@ -15,19 +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;
-    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
@@ -43,7 +42,6 @@ public class DB2Platform extends DatabasePlatform {
     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/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/sqlite/SQLitePlatform.java

@@ -24,6 +24,7 @@ public class SQLitePlatform extends DatabasePlatform {
     this.dbDefaultValue.setFalse("0");
     this.dbDefaultValue.setTrue("1");
     this.dbDefaultValue.setNow("CURRENT_TIMESTAMP");
+    this.supportsResultSetConcurrencyModeUpdatable = false;
 
     dbTypeMap.put(DbType.BIT, new DbPlatformType("int"));
     dbTypeMap.put(DbType.BOOLEAN, new DbPlatformType("int"));

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/event/BeanPersistRequest.java

@@ -43,6 +43,12 @@ public interface BeanPersistRequest<T> {
     return transaction();
   }
 
+  /**
+   * Return true if this request is due to cascading persist.
+   * False implies this is a "top level" request.
+   */
+  boolean isCascade();
+
   /**
    * For an update or delete of a partially populated bean this is the set of
    * loaded properties and otherwise returns null.

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

@@ -2,6 +2,7 @@ package io.ebean.util;
 
 import java.lang.annotation.Annotation;
 import java.lang.reflect.AnnotatedElement;
+import java.util.Collections;
 import java.util.HashSet;
 import java.util.LinkedHashSet;
 import java.util.Set;
@@ -57,10 +58,8 @@ public class AnnotationUtil {
 
   private static <A extends Annotation> void typeGetAllCollect(Class<?> clazz, Class<A> annotationType, Set<A> result) {
     while (clazz != null && clazz != Object.class) {
-      final A val = clazz.getAnnotation(annotationType);
-      if (val != null) {
-        result.add(val);
-      }
+      final A[] annotations = clazz.getAnnotationsByType(annotationType);
+      Collections.addAll(result, annotations);
       clazz = clazz.getSuperclass();
     }
   }
@@ -72,6 +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

@@ -0,0 +1,27 @@
+package io.ebean.util;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+
+import io.ebean.annotation.Formula;
+
+public class TestAnnotationUtil {
+
+  @Formula(select = "x")
+  @Formula(select = "y")
+  private static class TestObject {
+
+  }
+
+  @Test
+  public void testRepeatableAnnotation() {
+
+    Set<Formula> list = AnnotationUtil.typeGetAll(TestObject.class, Formula.class);
+    assertThat(list).hasSize(2);
+
+  }
+
+}

ebean-autotune/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.12.3</version>
+    <version>12.15.1</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-12.12.3</tag>
+    <tag>ebean-parent-12.15.1</tag>
   </scm>
 
   <name>ebean autotune</name>
@@ -26,7 +26,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-core</artifactId>
-      <version>12.12.3</version>
+      <version>12.15.1</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>
 
@@ -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-bom/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.12.3</version>
+    <version>12.15.1</version>
   </parent>
 
   <name>ebean bom</name>
@@ -71,88 +71,88 @@
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-api</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-core</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-core-type</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-ddl-generator</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-externalmapping-api</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-externalmapping-xml</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-autotune</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-querybean</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>querybean-generator</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
         <scope>provided</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>kotlin-querybean-generator</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
         <scope>provided</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-test</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
         <scope>test</scope>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-postgis</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
       <dependency>
         <groupId>io.ebean</groupId>
         <artifactId>ebean-redis</artifactId>
-        <version>12.12.3</version>
+        <version>12.15.1</version>
       </dependency>
 
     </dependencies>

ebean-core-type/pom.xml

@@ -4,7 +4,7 @@
   <parent>
     <artifactId>ebean-parent</artifactId>
     <groupId>io.ebean</groupId>
-    <version>12.12.3</version>
+    <version>12.15.1</version>
   </parent>
 
   <artifactId>ebean-core-type</artifactId>
@@ -16,7 +16,7 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-api</artifactId>
-      <version>12.12.3</version>
+      <version>12.15.1</version>
     </dependency>
 
     <dependency>

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>12.12.3</version>
+    <version>12.15.1</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-12.12.3</tag>
+    <tag>ebean-parent-12.15.1</tag>
   </scm>
 
   <dependencies>
@@ -41,19 +41,19 @@
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-api</artifactId>
-      <version>12.12.3</version>
+      <version>12.15.1</version>
     </dependency>
 
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-core-type</artifactId>
-      <version>12.12.3</version>
+      <version>12.15.1</version>
     </dependency>
 
     <dependency>
       <groupId>io.ebean</groupId>
       <artifactId>ebean-externalmapping-api</artifactId>
-      <version>12.12.3</version>
+      <version>12.15.1</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>
 

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
@@ -218,11 +219,21 @@ 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;
   }
 
+  /**
+   * Set a named In parameter that is multi-valued.
+   */
+  public Param setArrayParameter(String name, Collection<?> value) {
+    Param p = getParam(name);
+    p.setInValue(new MultiValueWrapper(value));
+    return p;
+  }
+
   /**
    * Set an encryption key as a bind value.
    * <p>

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/SpiQuery.java

@@ -24,6 +24,7 @@ import io.ebeaninternal.server.querydefn.OrmUpdateProperties;
 import io.ebeaninternal.server.rawsql.SpiRawSql;
 
 import java.sql.Timestamp;
+import java.util.Collection;
 import java.util.List;
 import java.util.Set;
 
@@ -399,6 +400,11 @@ public interface SpiQuery<T> extends Query<T>, SpiQueryFetch, TxnProfileEventCod
 
   List<String> getSoftDeletePredicates();
 
+  /**
+   * Bind the named multi-value array parameter which we would use with Postgres ANY.
+   */
+  void setArrayParameter(String name, Collection<?> values);
+
   /**
    * Return a copy of the query.
    */

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);
     }
@@ -84,10 +100,9 @@ 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);
@@ -109,7 +124,6 @@ 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/DefaultServer.java

@@ -613,6 +613,10 @@ 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/DefaultSqlUpdate.java

@@ -331,6 +331,12 @@ public final class DefaultSqlUpdate implements Serializable, SpiSqlUpdate {
     return this;
   }
 
+  @Override
+  public SqlUpdate setArrayParameter(String name, Collection<?> values) {
+    bindParams.setArrayParameter(name, values);
+    return this;
+  }
+
   @Override
   public SqlUpdate setNull(String name, int jdbcType) {
     bindParams.setNullParameter(name, jdbcType);

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/OrmQueryRequest.java

@@ -36,7 +36,6 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
   private final Boolean readOnly;
   private LoadContext loadContext;
   private PersistenceContext persistenceContext;
-  private JsonReadOptions jsonRead;
   private HashQuery cacheKey;
   private CQueryPlanKey queryPlanKey;
   private SpiQuerySecondary secondaryQueries;
@@ -259,7 +258,7 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
     if (query.getPersistenceContext() == null) {
       query.setPersistenceContext(persistenceContext);
     }
-    jsonRead = new JsonReadOptions();
+    JsonReadOptions jsonRead = new JsonReadOptions();
     jsonRead.setPersistenceContext(persistenceContext);
     if (!query.isDisableLazyLoading()) {
       loadContext = new DLoadContext(this, secondaryQueries);
@@ -534,7 +533,7 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
 
   @SuppressWarnings({"rawtypes"})
   private void mergeCacheHitsToMap(BeanCollection<T> result) {
-    BeanMap map = (BeanMap)result;
+    BeanMap map = (BeanMap) result;
     ElPropertyValue property = mapProperty();
     for (T bean : cacheBeans) {
       map.internalPut(property.pathGet(bean), bean);
@@ -562,17 +561,18 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
   @SuppressWarnings("unchecked")
   private <K> Map<K, T> cacheBeansToMap() {
     ElPropertyValue property = mapProperty();
-    Map<K,T> map = new LinkedHashMap<>();
+    Map<K, T> map = new LinkedHashMap<>();
     for (T bean : cacheBeans) {
-      map.put((K)property.pathGet(bean), bean);
+      map.put((K) property.pathGet(bean), bean);
     }
     return map;
   }
 
   private ElPropertyValue mapProperty() {
-    ElPropertyValue property = beanDescriptor.elGetValue(query.getMapKey());
+    final String key = query.getMapKey();
+    final ElPropertyValue property = key == null ? beanDescriptor.idProperty() : beanDescriptor.elGetValue(key);
     if (property == null) {
-      throw new IllegalStateException("Unknown map key property " + query.getMapKey());
+      throw new IllegalStateException("Unknown map key property " + key);
     }
     return property;
   }
@@ -634,7 +634,7 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
     if (cached != null && isAuditReads() && readAuditQueryType()) {
       if (cached instanceof BeanCollection) {
         // raw sql can't use L2 cache so normal queries only in here
-        Collection<T> actualDetails = ((BeanCollection<T>)cached).getActualDetails();
+        Collection<T> actualDetails = ((BeanCollection<T>) cached).getActualDetails();
         List<Object> ids = new ArrayList<>(actualDetails.size());
         for (T bean : actualDetails) {
           ids.add(beanDescriptor.idForJson(bean));
@@ -645,13 +645,13 @@ public final class OrmQueryRequest<T> extends BeanRequest implements SpiOrmQuery
     if (Boolean.FALSE.equals(query.isReadOnly())) {
       // return shallow copies if readonly is explicitly set to false
       if (cached instanceof BeanCollection) {
-        cached = ((BeanCollection<?>)cached).getShallowCopy();
+        cached = ((BeanCollection<?>) cached).getShallowCopy();
       } else if (cached instanceof List) {
-        cached = new CopyOnFirstWriteList<>((List<?>)cached);
+        cached = new CopyOnFirstWriteList<>((List<?>) cached);
       } else if (cached instanceof Set) {
-        cached = new LinkedHashSet<>((Set<?>)cached);
+        cached = new LinkedHashSet<>((Set<?>) cached);
       } else if (cached instanceof Map) {
-        cached = new LinkedHashMap<>((Map<?,?>)cached);
+        cached = new LinkedHashMap<>((Map<?, ?>) cached);
       }
     }
     return cached;

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/core/PersistRequestBean.java

@@ -213,6 +213,11 @@ public final class PersistRequestBean<T> extends PersistRequest implements BeanP
     return beanDescriptor.docStoreMode(type, txnMode);
   }
 
+  @Override
+  public boolean isCascade() {
+    return Flags.isRecurse(flags);
+  }
+
   /**
    * Return true if the draftDirty property should be set to true for this request.
    */

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

@@ -31,7 +31,12 @@ final class AssocOneHelpRefInherit extends AssocOneHelp {
   Object read(DbReadContext ctx) throws SQLException {
     // read discriminator to determine the type
     InheritInfo rowInheritInfo = inherit.readType(ctx);
-    if (rowInheritInfo == null) {
+    BeanDescriptor<?> desc;
+    if (rowInheritInfo != null) {
+      desc = rowInheritInfo.desc();
+    } else if (!inherit.hasChildren()) {
+      desc = inherit.desc();
+    } else {
       // ignore the id property
       property.targetIdBinder.loadIgnore(ctx);
       return null;
@@ -42,7 +47,6 @@ final class AssocOneHelpRefInherit extends AssocOneHelp {
     }
     // check transaction context to see if it already exists
     PersistenceContext pc = ctx.getPersistenceContext();
-    BeanDescriptor<?> desc = rowInheritInfo.desc();
     Object existing = desc.contextGet(pc, id);
     if (existing != null) {
       return existing;

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;
@@ -208,6 +210,7 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
   private final EntityBean prototypeEntityBean;
 
   private final IdBinder idBinder;
+  private final String idSelect;
   private String idBinderInLHSSql;
   private String idBinderIdSql;
   private String deleteByIdSql;
@@ -349,6 +352,23 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
         propertiesIndex[i] = propMap.get(ebi.getProperty(i));
       }
     }
+    idSelect = initIdSelect();
+  }
+
+  String initIdSelect() {
+    if (idProperty != null && !idProperty.name().equals("_idClass")) {
+      return idProperty.name();
+    } else if (entityType == EntityType.EMBEDDED) {
+      return null;
+    } else {
+      StringJoiner sj = new StringJoiner(",");
+      for (BeanProperty prop : propertiesNonMany) {
+        if (prop.isImportedPrimaryKey()) {
+          sj.add(prop.name());
+        }
+      }
+      return sj.toString().intern();
+    }
   }
 
   public boolean isJacksonCorePresent() {
@@ -2757,6 +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);
@@ -3011,6 +3047,10 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
     return idProperty;
   }
 
+  public String idSelect() {
+    return idSelect;
+  }
+
   /**
    * Return true if this bean should be inserted rather than updated.
    *
@@ -3055,6 +3095,12 @@ public class BeanDescriptor<T> implements BeanType<T>, STreeType, SpiBeanType {
     return versionPropertyIndex > -1 && ebi.isLoadedProperty(versionPropertyIndex);
   }
 
+  void setReferenceIfIdOnly(EntityBeanIntercept ebi) {
+    if (referenceIdPropertyOnly(ebi)) {
+      ebi.setReference(idPropertyIndex);
+    }
+  }
+
   /**
    * Set the version value returning it in primitive long form.
    */

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

@@ -23,6 +23,11 @@ abstract class BeanDescriptorElement<T> extends BeanDescriptor<T> {
     this.elementHelp = elementHelp;
   }
 
+  @Override
+  String initIdSelect() {
+    return null;
+  }
+
   private String shortName(String name) {
     int pos = name.lastIndexOf('.');
     if (pos > 1) {

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

@@ -152,6 +152,9 @@ final class BeanDescriptorJsonHelp<T> {
     }
     if (contextBean == null) {
       readJson.beanVisitor(bean, unmappedProperties);
+      if (!isNullOrZero(id)) {
+        desc.setReferenceIfIdOnly(bean._ebean_getIntercept());
+      }
     }
     if (path != null) {
       readJson.popPath();

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/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

@@ -35,8 +35,7 @@ public final class ImportedIdEmbedded implements ImportedId {
     BeanProperty[] embeddedProps = foreignAssocOne.properties();
     for (int i = 0; i < imported.length; i++) {
       String n = name + "." + foreignAssocOne.name() + "." + embeddedProps[i].name();
-      BeanFkeyProperty fkey = new BeanFkeyProperty(n, imported[i].localDbColumn, foreignAssocOne.deployOrder());
-      owner.descriptor().add(fkey);
+      owner.descriptor().add(new BeanFkeyProperty(n, imported[i].localDbColumn, foreignAssocOne.deployOrder()));
     }
   }
 
@@ -86,6 +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

@@ -88,8 +88,7 @@ public final class ImportedIdSimple implements ImportedId, Comparable<ImportedId
 
   @Override
   public void addFkeys(String name) {
-    BeanFkeyProperty fkey = new BeanFkeyProperty(name + "." + foreignProperty.name(), localDbColumn, owner.deployOrder());
-    owner.descriptor().add(fkey);
+    owner.descriptor().add(new BeanFkeyProperty(name + "." + foreignProperty.name(), localDbColumn, owner.deployOrder()));
   }
 
   @Override
@@ -152,6 +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/DeployCreateProperties.java

@@ -5,7 +5,6 @@ import io.ebean.annotation.*;
 import io.ebean.core.type.ScalarType;
 import io.ebean.util.AnnotationUtil;
 import io.ebeaninternal.api.CoreLog;
-import io.ebeaninternal.server.deploy.DetermineManyType;
 import io.ebeaninternal.server.deploy.ManyType;
 import io.ebeaninternal.server.deploy.meta.*;
 import io.ebeaninternal.server.type.TypeManager;

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/deploy/parse/DeployUtil.java

@@ -172,7 +172,7 @@ public final class DeployUtil {
    */
   void setDbArray(DeployBeanProperty prop, DbArray dbArray) {
     Class<?> type = prop.getPropertyType();
-    ScalarType<?> scalarType = typeManager.getArrayScalarType(type, dbArray, prop.getGenericType(), prop.isNullable());
+    ScalarType<?> scalarType = typeManager.getArrayScalarType(type, prop.getGenericType(), prop.isNullable());
     if (scalarType == null) {
       throw new RuntimeException("No ScalarType for @DbArray type for [" + prop.getFullBeanName() + "]");
     }

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

@@ -1,4 +1,6 @@
-package io.ebeaninternal.server.deploy;
+package io.ebeaninternal.server.deploy.parse;
+
+import io.ebeaninternal.server.deploy.ManyType;
 
 import java.util.List;
 import java.util.Map;
@@ -7,9 +9,9 @@ import java.util.Set;
 /**
  * Determine the Many Type for a property.
  */
-public final class DetermineManyType {
+final class DetermineManyType {
 
-  public ManyType getManyType(Class<?> type) {
+  ManyType getManyType(Class<?> type) {
     if (type.equals(List.class)) {
       return ManyType.LIST;
     }

ebean-core/src/main/java/io/ebeaninternal/server/dto/DtoMetaBuilder.java

@@ -37,8 +37,7 @@ final class DtoMetaBuilder {
       if (includeMethod(method)) {
         try {
           final String name = propertyName(method.getName());
-          final Class<?> propertyType = propertyType(method);
-          properties.add(new DtoMetaProperty(typeManager, dtoType, method, name, propertyType));
+          properties.add(new DtoMetaProperty(typeManager, dtoType, method, name));
         } catch (Exception e) {
           CoreLog.log.debug("exclude on " + dtoType + " method " + method, e);
         }
@@ -46,10 +45,6 @@ final class DtoMetaBuilder {
     }
   }
 
-  static Class<?> propertyType(Method method) {
-    return method.getParameterTypes()[0];
-  }
-
   static String propertyName(String methodName) {
     final String name = methodName.substring(3);
     return Character.toLowerCase(name.charAt(0)) + name.substring(1);

ebean-core/src/main/java/io/ebeaninternal/server/dto/DtoMetaProperty.java

@@ -8,6 +8,7 @@ import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
 import java.lang.reflect.Method;
+import java.lang.reflect.Type;
 import java.sql.SQLException;
 
 final class DtoMetaProperty implements DtoReadSet {
@@ -19,18 +20,30 @@ final class DtoMetaProperty implements DtoReadSet {
   private final MethodHandle setter;
   private final ScalarType<?> scalarType;
 
-  DtoMetaProperty(TypeManager typeManager, Class<?> dtoType, Method writeMethod, String name, Class<?> propertyType) throws IllegalAccessException, NoSuchMethodException {
+  DtoMetaProperty(TypeManager typeManager, Class<?> dtoType, Method writeMethod, String name) throws IllegalAccessException, NoSuchMethodException {
     this.dtoType = dtoType;
     this.name = name;
     if (writeMethod != null) {
-      this.setter = LOOKUP.findVirtual(dtoType, writeMethod.getName(), MethodType.methodType(void.class, propertyType));
-      this.scalarType = typeManager.getScalarType(propertyType);
+      this.setter = lookupMethodHandle(dtoType, writeMethod);
+      this.scalarType = typeManager.getScalarType(propertyType(writeMethod), propertyClass(writeMethod));
     } else {
       this.scalarType = null;
       this.setter = null;
     }
   }
 
+  private static MethodHandle lookupMethodHandle(Class<?> dtoType, Method method) throws NoSuchMethodException, IllegalAccessException {
+    return LOOKUP.findVirtual(dtoType, method.getName(), MethodType.methodType(method.getReturnType(), method.getParameterTypes()));
+  }
+
+  static Type propertyType(Method method) {
+    return method.getParameters()[0].getParameterizedType();
+  }
+
+  static Class<?> propertyClass(Method method) {
+    return method.getParameterTypes()[0];
+  }
+
   String getName() {
     return name;
   }

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/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";
+    }
   }
 
   /**

ebean-core/src/main/java/io/ebeaninternal/server/query/CQuery.java

@@ -193,7 +193,7 @@ public final class CQuery<T> implements DbReadContext, CancelableQuery, SpiProfi
     // set the generated sql back to the query
     // so its available to the user...
     query.setGeneratedSql(queryPlan.getSql());
-    SqlTree sqlTree = queryPlan.getSqlTree();
+    SqlTreePlan sqlTree = queryPlan.getSqlTree();
     this.rootNode = sqlTree.getRootNode();
     this.manyProperty = sqlTree.getManyProperty();
     this.sql = queryPlan.getSql();
@@ -581,20 +581,17 @@ public final class CQuery<T> implements DbReadContext, CancelableQuery, SpiProfi
 
   @Override
   public void registerBeanInherit(BeanPropertyAssocOne<?> property, EntityBeanIntercept ebi) {
-    String path = getPath(property.name());
-    request.loadContext().register(path, ebi, property);
+    request.loadContext().register(path(property.name()), ebi, property);
   }
 
   @Override
   public void register(String path, EntityBeanIntercept ebi) {
-    path = getPath(path);
-    request.loadContext().register(path, ebi);
+    request.loadContext().register(path(path), ebi);
   }
 
   @Override
   public void register(BeanPropertyAssocMany<?> many, BeanCollection<?> bc) {
-    String path = getPath(many.name());
-    request.loadContext().register(path, many, bc);
+    request.loadContext().register(path(many.name()), many, bc);
   }
 
   /**
@@ -663,18 +660,14 @@ public final class CQuery<T> implements DbReadContext, CancelableQuery, SpiProfi
     return autoTuneProfiling && query.isUsageProfiling();
   }
 
-  private String getPath(String propertyName) {
+  private String path(String propertyName) {
     if (currentPrefix == null) {
       return propertyName;
     } else if (propertyName == null) {
       return currentPrefix;
     }
     String path = currentPathMap.get(propertyName);
-    if (path != null) {
-      return path;
-    } else {
-      return currentPrefix + "." + propertyName;
-    }
+    return path != null ? path : currentPrefix + "." + propertyName;
   }
 
   @Override