OpenJPA not supporting count(*) syntax
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Key: OPENJPA-566
URL: https://issues.apache.org/jira/browse/OPENJPA-566
Project: OpenJPA
Issue Type: Bug
Components: query
Affects Versions: 1.0.2
Environment: Spring 2.5.3, JDK 1.5.
Reporter: Mathias Bogaert
Priority: Blocker
When executing a simple query using the (assumingly) valid count(*) syntax,
accepted by Hibernate, OpenJPA throws an exception.
Caused by: <openjpa-1.0.2-r420667:627158 nonfatal user error>
org.apache.openjpa.persistence.ArgumentException: An error occurred while
parsing the query filter 'SELECT count(*) FROM Order instance'. Error message:
<openjpa-1.0.2-r420667:627158 nonfatal user error>
org.apache.openjpa.kernel.jpql.ParseException: Encountered "*" at character 14,
but expected: ["(", "+", "-", ":", "?", "ABS", "AVG", "COUNT", "DISTINCT",
"LENGTH", "LOCATE", "MAX", "MIN", "MOD", "SELECT", "SIZE", "SQRT", "SUM",
<DECIMAL_LITERAL>, <IDENTIFIER>, <INTEGER_LITERAL>].
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
com.toyota.tme.jpapoc.dao.GenericDaoJpa$7.doInJpa(GenericDaoJpa.java:416)
at org.springframework.orm.jpa.JpaTemplate.execute(JpaTemplate.java:184)
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