[jboss-jira] [JBoss JIRA] (HIBERNATE-167) Map with Enum as key value generates two need unnecessary update statements

[ https://issues.jboss.org/browse/HIBERNATE-167?page=com.atlassian.jira.plu... ] nimo stephan updated HIBERNATE-167: ----------------------------------- Description: Having this within an Entity class: {code:java} public class User { @Column(name = "test") private String test; // this makes trouble (but the taskConverter works as expected) // only the persisting makes two needless update statements each time a new User is created @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<Task, String> tasks; } {code} where Task is an Enum: {code:java} public enum Task{ TASK_START, TASK_END } {code} and creating a new Entity {code:java} User user = new User(); user.setName("test"); // this generates two unnecessary updates: user.setTasks(Map.of(Task.TASK_START, "hello")); {code} creates at first the entity: {code:java} /* insert my.User 11:54:43,848 INFO [stdout] */ insert 11:54:43,848 INFO [stdout] into 11:54:43,848 INFO [stdout] user 11:54:43,855 INFO [stdout] (test, tasks) 11:54:43,855 INFO [stdout] values 11:54:43,855 INFO [stdout] (?, ?) {code} *and produces afterwards within the same session two entity updates (which are needless):* {code:java} /* update 11:54:44,100 INFO [stdout] my.User*/ update 11:54:44,100 INFO [stdout] user 11:54:44,100 INFO [stdout] set 11:54:44,100 INFO [stdout] tasks=? 11:54:44,100 INFO [stdout] where 11:54:44,100 INFO [stdout] id_user=? ... 11:54:44,157 INFO [stdout] /* update 11:54:44,157 INFO [stdout] my.User */ update 11:54:44,157 INFO [stdout] user 11:54:44,157 INFO [stdout] set 11:54:44,157 INFO [stdout] tasks=? 11:54:44,158 INFO [stdout] where 11:54:44,158 INFO [stdout] id_user=? {code} *If I replace this:* {code:java} @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<Task, String> tasks; {code} *with this (using string instead of enum as key):* {code:java} @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<String, String> tasks; {code} then all works AND no two needless update statements are produces. was: Having this within an Entity class: {code:java} public enum Task{ TASK_START, TASK_END } public class User { @Column(name = "test") private String test; // this makes trouble (but the taskConverter works as expected) // only the persisting makes two needless update statements each time a new User is created @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<Task, String> tasks; } {code} and creating a new Entity {code:java} User user = new User(); user.setName("test"); // this generates two unnecessary updates: user.setTasks(Map.of(Task.TASK_START, "hello")); {code} creates at first the entity: {code:java} /* insert my.User 11:54:43,848 INFO [stdout] */ insert 11:54:43,848 INFO [stdout] into 11:54:43,848 INFO [stdout] user 11:54:43,855 INFO [stdout] (test, tasks) 11:54:43,855 INFO [stdout] values 11:54:43,855 INFO [stdout] (?, ?) {code} *and produces afterwards within the same session two entity updates (which are needless):* {code:java} /* update 11:54:44,100 INFO [stdout] my.User*/ update 11:54:44,100 INFO [stdout] user 11:54:44,100 INFO [stdout] set 11:54:44,100 INFO [stdout] tasks=? 11:54:44,100 INFO [stdout] where 11:54:44,100 INFO [stdout] id_user=? ... 11:54:44,157 INFO [stdout] /* update 11:54:44,157 INFO [stdout] my.User */ update 11:54:44,157 INFO [stdout] user 11:54:44,157 INFO [stdout] set 11:54:44,157 INFO [stdout] tasks=? 11:54:44,158 INFO [stdout] where 11:54:44,158 INFO [stdout] id_user=? {code} *If I replace this:* {code:java} @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<Task, String> tasks; {code} *with this (using string instead of enum as key):* {code:java} @Column(name = "tasks") @Convert(converter = TasksConverter.class) private Map<String, String> tasks; {code} then all works AND no two needless update statements are produces. -- This message was sent by Atlassian Jira (v7.12.1#712002)