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From "Georgi Naplatanov (JIRA)" <j...@apache.org>
Subject [jira] Created: (OPENJPA-573) JPQL: The combination LIKE ESCAPE does not accept parameters
Date Wed, 16 Apr 2008 22:21:21 GMT
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
         Environment: SUN JDK 1.6.0.6 (AMD64) for Linux
            Reporter: Georgi Naplatanov
             Fix For: 1.1.0


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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