Executing native queries with Firebird
--------------------------------------

                 Key: OPENJPA-774
                 URL: https://issues.apache.org/jira/browse/OPENJPA-774
             Project: OpenJPA
          Issue Type: Bug
          Components: sql
    Affects Versions: 1.2.0, 1.1.0
         Environment: Tomcat 5.5, OpenJPA 1.1.0, Firebird 2.1
            Reporter: Alexey Ousov


Native queries cannot be executed with Firebird database. The following 
exception occur:
DEBUG - Log4JLogFactory$LogAdapter.trace(72) | Executing query: [insert into 
ANAGRAFICHE (COD_TITOLARE, NOME, CODICE_FISCALE, DATA_NASCITA) values (?, ?, ?, 
?)] with parameters: {2=xz0FEdrz92sd, 0=43, 3=Tue Aug 30 00:00:00 UTC 1644, 
1=B95JHSkDV}
WARN - GeronimoConnectionEventListener.connectionErrorOccurred(88) | 
connectionErrorOccurred called with null
org.firebirdsql.jdbc.FBSQLException: You cannot set value of an non-existing 
parameter.
        at 
org.firebirdsql.jdbc.FBProcedureCall$NullParam.setValue(FBProcedureCall.java:424)
        at 
org.firebirdsql.jdbc.AbstractCallableStatement.setLong(AbstractCallableStatement.java:1094)
        at 
org.tranql.connector.jdbc.PreparedStatementHandle.setLong(PreparedStatementHandle.java:247)
        at 
org.apache.ode.utils.LoggingStatementWrapper.setLong(LoggingStatementWrapper.java:495)
        at 
org.apache.openjpa.lib.jdbc.DelegatingCallableStatement.setLong(DelegatingCallableStatement.java:299)
        at 
org.apache.openjpa.jdbc.sql.DBDictionary.setLong(DBDictionary.java:998)
        at 
org.apache.openjpa.jdbc.sql.DBDictionary.setUnknown(DBDictionary.java:1283)
        at 
org.apache.openjpa.jdbc.sql.SQLBuffer.setParameters(SQLBuffer.java:568)
        at 
org.apache.openjpa.jdbc.kernel.SQLStoreQuery$SQLExecutor.executeUpdate(SQLStoreQuery.java:231)
        at org.apache.openjpa.kernel.QueryImpl.update(QueryImpl.java:1038)
        at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:808)
        at org.apache.openjpa.kernel.QueryImpl.updateAll(QueryImpl.java:883)
        at 
org.apache.openjpa.kernel.DelegatingQuery.updateAll(DelegatingQuery.java:573)
        at 
org.apache.openjpa.persistence.QueryImpl.executeUpdate(QueryImpl.java:319)

Exception is thrown because for "insert" statement prepareCall is executed 
instead of prepareStatement. For other databases it is the same, but Firebird's 
FBProcedureCall is not the same as FBPreparedStatement. Patch for issue follows.

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