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https://issues.apache.org/jira/browse/OPENJPA-573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12589782#action_12589782
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Catalina Wei commented on OPENJPA-573:
--------------------------------------
An easy fix is on this line (line# 1253) in JPQL.jjt:
input_parameter() | string_literal()
changed the above line to add parenthesis around it as the following,
(input_parameter() | string_literal())
Catalina
> JPQL: The combination LIKE ESCAPE does not accept parameters
> ------------------------------------------------------------
>
> Key: OPENJPA-573
> URL: https://issues.apache.org/jira/browse/OPENJPA-573
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 1.0.2, 1.1.0
> Environment: SUN JDK 1.6.0.6 (AMD64) for Linux
> Reporter: Georgi Naplatanov
>
> If i use constants like this :
> SELECT object FROM MyObject object WHERE object.path LIKE '%|_%' ESCAPE '|'
> all is ok, but if I want to use parameters - exception is thrown.
> Example:
> @Entity
> @Table(name="simple_object")
> public class MySimpleObject {
> @Id
> String Id ;
>
> @Basic
> @Column(name="value", nullable=false, length=36)
> String value ;
> .....................
> .......................
> EntityManager em = emf.createEntityManager() ;
> Query q = em.createQuery("SELECT x FROM MySimpleObject x WHERE x.value LIKE
> ?1 ESCAPE '|'") ;
> q.setParameter(1, "%|_%") ;
> List<MySimpleObject> res = q.getResultList() ;
> Exception in thread "main" <openjpa-1.1.0-SNAPSHOT-r422266:648359 nonfatal
> user error> org.apache.openjpa.persistence.ArgumentException: Encountered
> "ESCAPE" at character 54, but expected: ["AND", "GROUP", "HAVING", "OR",
> "ORDER", <EOF>].
> at
> org.apache.openjpa.kernel.jpql.JPQL.generateParseException(JPQL.java:9499)
> at org.apache.openjpa.kernel.jpql.JPQL.jj_consume_token(JPQL.java:9376)
> at org.apache.openjpa.kernel.jpql.JPQL.parseQuery(JPQL.java:75)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.parse(JPQLExpressionBuilder.java:1733)
> at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.<init>(JPQLExpressionBuilder.java:1720)
> at org.apache.openjpa.kernel.jpql.JPQLParser.parse(JPQLParser.java:48)
> at
> org.apache.openjpa.kernel.ExpressionStoreQuery.newCompilation(ExpressionStoreQuery.java:149)
> at
> org.apache.openjpa.datacache.QueryCacheStoreQuery.newCompilation(QueryCacheStoreQuery.java:239)
> at
> org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:656)
> at
> org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:638)
> at
> org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:604)
> at
> org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:666)
> at org.apache.openjpa.kernel.QueryImpl.getOperation(QueryImpl.java:1486)
> at
> org.apache.openjpa.kernel.DelegatingQuery.getOperation(DelegatingQuery.java:123)
> at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:227)
> at
> org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:277)
> at Tester.testEscape(Tester.java:75)
> at Tester.main(Tester.java:93)
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