[jira] Closed: (OPENJPA-566) OpenJPA not supporting count(*) syntax

["Pinaki Poddar (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OPENJPA-566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pinaki Poddar closed OPENJPA-566.
---------------------------------

    Resolution: Fixed

count(*) is not supported by JPQL specification. 

> OpenJPA not supporting count(*) syntax
> --------------------------------------
>
>                 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
>            Assignee: Pinaki Poddar
>            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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