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<td class="page-title-pattern-first-line " style="padding: 0px; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-10143" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-94e344b9-a893-4d2e-adbf-c7595bc23eff" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-10143" style="color: #3b73af; text-decoration: none">HHH-10143</a>
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<td style="vertical-align: top;; padding: 0px; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-10143" style="color: #3b73af; text-decoration: none">Derby Criteria Case with Enum fails without explicit cast </a> </span>
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Change By:
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="dreab8" id="email_dreab8" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=dreab8" style="color:#6c797f;; color: #3b73af; text-decoration: none">Andrea Boriero</a>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">SelectCaseTest <br />{code:java}<br />public class SelectCaseTest</span> <span class="diffaddedchars" style="background-color:#ddfade;"> extends BaseEntityManagerFunctionalTestCase</span> <span class="diffcontext">{</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br /></span> <span class="diffaddedchars" style="background-color:#ddfade;"> <br /></span> <span class="diffcontext">....<br />@Test<br /> public void selectCaseWithValuesShouldWork() {<br /> EntityManager entityManager = getOrCreateEntityManager();<br /> CriteriaBuilder cb = entityManager.getCriteriaBuilder();<br /><br /> CriteriaBuilder.Case<EnumValue> selectCase = cb.selectCase();<br /> Predicate somePredicate = cb.equal( cb.literal( 1 ), 1 );<br /> selectCase.when( somePredicate, EnumValue.VALUE_1 );<br /> selectCase.otherwise( EnumValue.VALUE_2 );<br /><br /> CriteriaQuery<Entity> query = cb.createQuery( Entity.class );<br /> Root<Entity> from = query.from( Entity.class );<br /> query.select( from ).where( cb.equal( from.get( "value" ), selectCase ) );<br /><br /> entityManager.createQuery( query ).getResultList();<br /> }<br /></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br /> public static class Entity</span> <span class="diffcontext">{</span> <span class="diffaddedchars" style="background-color:#ddfade;"><br /><br /> @Id<br /> private Long id;<br /><br /> @Enumerated(EnumType.STRING)<br /> private EnumValue value;<br /> }<br /><br /> public enum EnumValue {<br /> VALUE_1,<br /> VALUE_2;<br /> }<br /><br />}<br />{</span> <span class="diffcontext">code}<br /><br />fails with error<br /><br />{code:java}<br />Caused by: java.sql.SQLSyntaxErrorException: Comparisons between 'VARCHAR (UCS_BASIC)' and 'VARCHAR () FOR BIT DATA' are not supported. Types must be comparable. String types must also have matching collation. If collation does not match, a possible solution is to cast operands to force them to the default collation (e.g. SELECT tablename FROM sys.systables WHERE CAST(tablename AS VARCHAR(128)) = 'T1')<br />{code}<br /><br />the test<br />{code:java}<br />selectCaseWithCastedTypeValuesShouldWork<br />{code}<br /><br />adds an explicit cast<br />{code:java}<br /> query.select( from ).where( cb.equal( from.get( "value" ), selectCase.as( String.class ) ) );<br />{code}<br /><br />and it works.<br /><br /><br /><br /><br /></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br /><br /></span>
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