Merge pull request #2801 from ebean-orm/feature/drop-feature-OnQueryOnly

Remove the OnQueryOnly (rollback) feature

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

@@ -22,23 +22,6 @@ public class DatabasePlatform {
 
   private static final System.Logger log = EbeanVersion.log;
 
-  /**
-   * Behavior used when ending a query only transaction (at read committed isolation level).
-   */
-  public enum OnQueryOnly {
-
-    /**
-     * Rollback the transaction.
-     */
-    ROLLBACK,
-
-    /**
-     * Commit the transaction
-     */
-    COMMIT
-  }
-
-
   /**
    * Set to true for MySql, no other jdbc drivers need this workaround.
    */
@@ -59,11 +42,6 @@ public class DatabasePlatform {
    */
   protected boolean supportsNativeJavaTime = true;
 
-  /**
-   * The behaviour used when ending a read only transaction at read committed isolation level.
-   */
-  protected OnQueryOnly onQueryOnly = OnQueryOnly.COMMIT;
-
   /**
    * The open quote used by quoted identifiers.
    */
@@ -409,20 +387,6 @@ public class DatabasePlatform {
     return null;
   }
 
-  /**
-   * Return the behaviour to use when ending a read only transaction.
-   */
-  public OnQueryOnly getOnQueryOnly() {
-    return onQueryOnly;
-  }
-
-  /**
-   * Set the behaviour to use when ending a read only transaction.
-   */
-  public void setOnQueryOnly(OnQueryOnly onQueryOnly) {
-    this.onQueryOnly = onQueryOnly;
-  }
-
   /**
    * Return the DbEncrypt handler for this DB platform.
    */