[eclipselink-users] using mysql functions in queries

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[eclipselink-users] using mysql functions in queries

From: Derek Knapp <derek@xxxxxxxxxxxxxx>
Date: Fri, 23 Oct 2009 14:09:05 -0400
Comment: DomainKeys? See http://domainkeys.sourceforge.net/
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is it possible to do something like

select t from Tasklist t where t.userid = :user and t.taskstatus = 'open' and cast(t.duetime as date) = :today order by t.duetime

this is the exception I get when I try. I assume cast is mysql specific?

Exception Description: Syntax error parsing the query [select t from Tasklist t where t.userid = :user and t.taskstatus = 'open' and cast(t.duetime as date) = :today order by t.duetime], line 1, column 78: unexpected token [cast].
Internal Exception: NoViableAltException(66!=[792:1: arithmeticPrimary returns [Object node] : ({...}?n= aggregateExpression | n= variableAccess | n= stateFieldPathExpression | n= functionsReturningNumerics | n= functionsReturningDatetime | n= functionsReturningStrings | n= inputParameter | n= literalNumeric | n= literalString | n= literalBoolean | LEFT_ROUND_BRACKET n= simpleArithmeticExpression RIGHT_ROUND_BRACKET );])
        at org.eclipse.persistence.exceptions.JPQLException.unexpectedToken(JPQLException.java:365)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.JPQLParser.handleRecognitionException(JPQLParser.java:319)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.JPQLParser.addError(JPQLParser.java:245)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.JPQLParser.reportError(JPQLParser.java:362)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.arithmeticPrimary(JPQLParser.java:8904)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.arithmeticFactor(JPQLParser.java:8620)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.arithmeticTerm(JPQLParser.java:8444)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.simpleArithmeticExpression(JPQLParser.java:8351)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.arithmeticExpression(JPQLParser.java:8292)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.simpleConditionalExpression(JPQLParser.java:7039)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.conditionalPrimary(JPQLParser.java:6997)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.conditionalFactor(JPQLParser.java:2989)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.conditionalTerm(JPQLParser.java:2903)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.conditionalExpression(JPQLParser.java:2805)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.whereClause(JPQLParser.java:2762)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.selectStatement(JPQLParser.java:356)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.document(JPQLParser.java:261)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.JPQLParser.parse(JPQLParser.java:133)
        at org.eclipse.persistence.internal.jpa.parsing.jpql.JPQLParser.buildParseTree(JPQLParser.java:94)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:203)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:170)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:134)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:95)
        at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:80)
        at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createQuery(EntityManagerImpl.java:740)
        ... 96 more
Caused by: NoViableAltException(66!=[792:1: arithmeticPrimary returns [Object node] : ({...}?n= aggregateExpression | n= variableAccess | n= stateFieldPathExpression | n= functionsReturningNumerics | n= functionsReturningDatetime | n= functionsReturningStrings | n= inputParameter | n= literalNumeric | n= literalString | n= literalBoolean | LEFT_ROUND_BRACKET n= simpleArithmeticExpression RIGHT_ROUND_BRACKET );])
        at org.eclipse.persistence.internal.jpa.parsing.jpql.antlr.JPQLParser.arithmeticPrimary(JPQLParser.java:8678)
        ... 116 more

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