[hibernate-issues] [Hibernate-JIRA] Moved: (HHH-5729) Only one check constraint is generated when @Min and @Max annotation is used on a single field

[Hardy Ferentschik (JIRA)]

     [ http://opensource.atlassian.com/projects/hibernate/browse/HHH-5729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hardy Ferentschik moved HV-361 to HHH-5729:
-------------------------------------------

    Affects Version/s:     (was: 4.1.0.Final)
                       4.0.0.Alpha1
                       3.6.0
        Fix Version/s:     (was: 4.2.0)
                       4.0.0.Alpha1
                       3.6.1
          Component/s:     (was: engine)
                       core
                  Key: HHH-5729  (was: HV-361)
              Project: Hibernate Core  (was: Hibernate Validator)

> Only one check constraint is generated when @Min and @Max annotation is used on a single field
> ----------------------------------------------------------------------------------------------
>
>                 Key: HHH-5729
>                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-5729
>             Project: Hibernate Core
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 3.6.0, 4.0.0.Alpha1
>         Environment: Hibernate Core 3.5.5-Final; Hibernate Annotation 3.5.5-Final; Oracle10gDialect
>            Reporter: Jens Schauder
>            Assignee: Hardy Ferentschik
>             Fix For: 3.6.1, 4.0.0.Alpha1
>
>         Attachments: checkConstraintTest.zip
>
>
> When generating DDL create scripts fields which have a @Max and @Min annotation only get check constraints for the @Max constraint.
> Example entity class:
> {noformat}
> import javax.persistence.Entity;
> import javax.persistence.Id;
> import javax.validation.constraints.Max;
> import javax.validation.constraints.Min;
> @Entity
> public class TestClass {
> 	@Id
> 	private Long id;
> 	@Max(10)
> 	@Min(2)
> 	private Integer min2Max10;
> 	@Max(99999)
> 	@Min(0)
> 	private Integer min0max99;
> }
> {noformat}
> Code used for generating the DDL script:
> {noformat}
> 	public static void main(String[] args) {
> 		AnnotationConfiguration config = new AnnotationConfiguration()
> 				.addAnnotatedClass(TestClass.class);
> 		final String[] script = config
> 				.generateSchemaCreationScript(new Oracle10gDialect());
> 		for (String string : script) {
> 			System.out.println(string);
> 		}
> 	}
> {noformat}
> Resulting output:
> {noformat}
> create table TestClass (id number(19,0) not null, min0max99 number(10,0) check (min0max99>=0), min2Max10 number(10,0) check (min2Max10>=2), primary key (id))
> {noformat}
> I tried to locate the problem in the hibernate source code. It might be in the {{applyConstraints}} Method of the {{TypeSafeActivator}} class. It seems that it just *sets* constraints on a column and doesn't make an attempt to merge a min-constraint and a max-constraint into one check constraint.
> There is also a related Forum thread regarding this issue: https://forum.hibernate.org/viewtopic.php?f=9&t=1006740
> Find the zipped sources for a little test project attached

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