[hibernate-issues] [Hibernate-JIRA] Closed: (HHH-1247) HQL doesn't allow '$' as the leading character for property names

HQL doesn't allow '$' as the leading character for property names ----------------------------------------------------------------- Key: HHH-1247 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-1247 Project: Hibernate Core Issue Type: Bug Components: core Affects Versions: 3.1 rc3 Environment: Hibernate 3.1-rc3; Windows; JDK1.5.0; SQLSerer2ksp4 Reporter: Dean Arnold Assignee: Joshua Davis HQL Query example: select distinct user.party from com.itf.iceclaims.domain.party.user.UserImpl user inner join user.party.$RelatedWorkgroups relatedWorkgroups where relatedWorkgroups.workgroup.id = :workgroup and relatedWorkgroups.effectiveTime.start <= :datesnow and relatedWorkgroups.effectiveTime.end > :dateenow Stack Trace: Caused by: org.hibernate.QueryException: unexpected char: '$' [select distinct user.party from com.itf.iceclaims.domain.party.user.UserImpl user inner join user.party.$RelatedWorkgroups relatedWorkgroups where relatedWorkgroups.workgroup.id = :workgroup and relatedWorkgroups.effectiveTime.start <= :datesnow and relatedWorkgroups.effectiveTime.end > :dateenow] at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:190) at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:103) at org.hibernate.engine.query.HQLQueryPlan.(HQLQueryPlan.java:72) at org.hibernate.engine.query.HQLQueryPlan.(HQLQueryPlan.java:52) at org.hibernate.engine.query.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:71) at org.hibernate.impl.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:108) at org.hibernate.impl.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:88) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at org.springframework.orm.hibernate3.HibernateTemplate$CloseSuppressingInvocationHandler.invoke(HibernateTemplate.java:1178) at $Proxy195.createQuery(Unknown Source) at com.itf.iceclaims.dao.party.user.UserDaoHibernateImpl$2.doInHibernate(UserDaoHibernateImpl.java:85) at org.springframework.orm.hibernate3.HibernateTemplate.execute(HibernateTemplate.java:365) ... 55 more Caused by: line 1:105: unexpected char: '$' at org.hibernate.hql.antlr.HqlBaseLexer.nextToken(HqlBaseLexer.java:278) at antlr.TokenBuffer.fill(TokenBuffer.java:69) at antlr.TokenBuffer.LA(TokenBuffer.java:80) at antlr.LLkParser.LA(LLkParser.java:52) at org.hibernate.hql.ast.HqlParser.weakKeywords(HqlParser.java:281) at org.hibernate.hql.antlr.HqlBaseParser.path(HqlBaseParser.java:542) at org.hibernate.hql.antlr.HqlBaseParser.fromJoin(HqlBaseParser.java:1705) at org.hibernate.hql.antlr.HqlBaseParser.fromClause(HqlBaseParser.java:1420) at org.hibernate.hql.antlr.HqlBaseParser.selectFrom(HqlBaseParser.java:1130) at org.hibernate.hql.antlr.HqlBaseParser.queryRule(HqlBaseParser.java:702) at org.hibernate.hql.antlr.HqlBaseParser.selectStatement(HqlBaseParser.java:296) at org.hibernate.hql.antlr.HqlBaseParser.statement(HqlBaseParser.java:159) at org.hibernate.hql.ast.QueryTranslatorImpl.parse(QueryTranslatorImpl.java:236) at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:153) ... 69 more Propsed/Working Solution: Update the 'hql.g' grammer file, lines 780 to 792, with the following code fragment. (I have moved the '$' character from the ID_LETTER to the ID_START_LETTER): protected ID_START_LETTER : '_' | 'a'..'z' | '\u0080'..'\ufffe' // HHH-558 : Allow unicode chars in identifiers | '$' ; protected ID_LETTER : ID_START_LETTER | '0'..'9' ;