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From Georgi Naplatanov <go...@oles.biz>
Subject Re: problems with ESCAPE function
Date Tue, 08 Apr 2008 12:22:53 GMT
Hello, I forgot to say that OpenJPA version which  I use is 1.0.2.

Best regards
Georgi

Georgi Naplatanov wrote:
> Hello, everybody.
> 
> I tried to run the following JPQL query:
> SELECT x From MyObject x WHERE x.path LIKE ?1 ESCAPE '|'
> 
> but following exceptions occur:
> 
> <openjpa-1.0.2-r420667:627158 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: An error occurred
> while parsing the query filter 'SELECT x From MyObject x WHERE x.path
> LIKE ?1 ESCAPE '|''. Error message: <openjpa-1.0.2-r420667:627158
> nonfatal user error> org.apache.openjpa.kernel.jpql.ParseException:
> Encountered "ESCAPE" at character 125, but expected: ["AND", "GROUP",
> "HAVING", "OR", "ORDER", <EOF>].
> 	at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.parse(JPQLExpressionBuilder.java:1665)
> 	at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.<init>(JPQLExpressionBuilder.java:1645)
> 	at org.apache.openjpa.kernel.jpql.JPQLParser.parse(JPQLParser.java:47)
> 	at
> org.apache.openjpa.kernel.ExpressionStoreQuery.newCompilation(ExpressionStoreQuery.java:144)
> 	at
> org.apache.openjpa.datacache.QueryCacheStoreQuery.newCompilation(QueryCacheStoreQuery.java:236)
> 	at org.apache.openjpa.kernel.QueryImpl.newCompilation(QueryImpl.java:651)
> 	at
> org.apache.openjpa.kernel.QueryImpl.compilationFromCache(QueryImpl.java:633)
> 	at
> org.apache.openjpa.kernel.QueryImpl.compileForCompilation(QueryImpl.java:599)
> 	at
> org.apache.openjpa.kernel.QueryImpl.compileForExecutor(QueryImpl.java:661)
> 	at org.apache.openjpa.kernel.QueryImpl.getOperation(QueryImpl.java:1487)
> 	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 MainTest.test1(MainTest.java:51)
> 	at MainTest.<init>(MainTest.java:31)
> 	at MainTest.main(MainTest.java:108)
> Caused by: <openjpa-1.0.2-r420667:627158 nonfatal user error>
> org.apache.openjpa.persistence.ArgumentException: Encountered "ESCAPE"
> at character 125, but expected: ["AND", "GROUP", "HAVING", "OR",
> "ORDER", <EOF>].
> 	at
> org.apache.openjpa.kernel.jpql.JPQL.generateParseException(JPQL.java:9285)
> 	at org.apache.openjpa.kernel.jpql.JPQL.jj_consume_token(JPQL.java:9162)
> 	at org.apache.openjpa.kernel.jpql.JPQL.parseQuery(JPQL.java:75)
> 	at
> org.apache.openjpa.kernel.jpql.JPQLExpressionBuilder$ParsedJPQL.parse(JPQLExpressionBuilder.java:1658)
> 	... 15 more
> 
> 
> I don't know where the problem is.
> 
> In case parameter's placeholder (?1) is replaced with string ('mypath%'
> for example) ,  all is fine.
> 
> Best regards
> Georgi


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