JPQL with MAX and SIZE together throws an error on MS SQLserver
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Key: OPENJPA-997
URL: https://issues.apache.org/jira/browse/OPENJPA-997
Project: OpenJPA
Issue Type: Bug
Components: query, sql
Affects Versions: 2.0.0
Environment: MS SQL Version: SQL Server 2000 SP3
JDBC driver : Microsoft SQL Server 2000 Driver for JDBC
Reporter: Ravi P Palacherla
Run the JPQL "SELECT MAX(SIZE(d.slist)) FROM Department d" on SQLServer fail
with error.
But it works fine on other database like Oracle.
Here is the error:
Caused by: org.apache.openjpa.lib.jdbc.ReportingSQLException: Cannot perform an
aggregate function on an expression containing an aggregate or a subquery.
{prep
stmnt 8926039 SELECT MAX((SELECT COUNT(*) FROM STUD_DEP WHERE STUD_DEP.DEP_ID =
t0.id)) FROM Department t0} [code=130, state=S1000]
at
org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.wrap(LoggingCo
nnectionDecorator.java:193)
at
org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator.access$700(Log
gingConnectionDecorator.java:58)
at
org.apache.openjpa.lib.jdbc.LoggingConnectionDecorator$LoggingConnect
ion$LoggingPreparedStatement.executeQuery(LoggingConnectionDecorator.java:967)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(
DelegatingPreparedStatement.java:262)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager$CancelPreparedStateme
nt.executeQuery(JDBCStoreManager.java:1542)
at
org.apache.openjpa.lib.jdbc.DelegatingPreparedStatement.executeQuery(
DelegatingPreparedStatement.java:252)
at
org.apache.openjpa.jdbc.sql.SelectImpl.executeQuery(SelectImpl.java:4
69)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:382)
at org.apache.openjpa.jdbc.sql.SelectImpl.execute(SelectImpl.java:350)
at
org.apache.openjpa.jdbc.sql.LogicalUnion$UnionSelect.execute(LogicalU
nion.java:426)
at
org.apache.openjpa.jdbc.sql.LogicalUnion.execute(LogicalUnion.java:22
9)
at
org.apache.openjpa.jdbc.sql.LogicalUnion.execute(LogicalUnion.java:21
9)
at
org.apache.openjpa.jdbc.kernel.SelectResultObjectProvider.open(Select
ResultObjectProvider.java:94)
at
org.apache.openjpa.kernel.QueryImpl$PackingResultObjectProvider.open(
QueryImpl.java:1999)
at
org.apache.openjpa.kernel.QueryImpl.singleResult(QueryImpl.java:1283)
at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1220)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:989)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:848)
... 33 more
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