Re: Stored Procedure call using JDBC is failing

Execute stored procedures from JDBC is not supperted per discussion of the
CALL behavior:
https://www.postgresql.org/message-id/4285.1537201440%40sss.pgh.pa.us

People will need to realize that CALL behavior is still a work in
> progress. That may mean that JDBC etc shouldn't try to support it
> yet, which isn't great, but none of the above options would have
> led to near-term support of CALL in JDBC ...
>



On Mon, Oct 22, 2018 at 6:03 PM Kalyan Koka <[email protected]>
wrote:

> Hi,
>
> Stored procedure execution using JDBC is failing.
>
> JDBC driver build number: 42.2.5
> Server version: PostgreSQL 11
>
>
> Exact error message and stacktrace:
> org.postgresql.util.PSQLException: ERROR: testproc(integer, integer,
> character varying) is a procedure
>   Hint: To call a procedure, use CALL.
>   Position: 15
>  at
> org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:2440)
>  at
> org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:2183)
>  at
> org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:308)
>  at org.postgresql.jdbc.PgStatement.executeInternal(PgStatement.java:441)
>  at org.postgresql.jdbc.PgStatement.execute(PgStatement.java:365)
>  at
> org.postgresql.jdbc.PgPreparedStatement.executeWithFlags(PgPreparedStatement.java:143)
>  at
> org.postgresql.jdbc.PgCallableStatement.executeWithFlags(PgCallableStatement.java:77)
>  at
> org.postgresql.jdbc.PgPreparedStatement.execute(PgPreparedStatement.java:132)
>  at StoredProcedureTest.properCase(StoredProcedureTest.java:42)
>  at StoredProcedureTest.main(StoredProcedureTest.java:65)
>
>
>
> What you were doing, ideally in code form:
>
>
> CREATE OR REPLACE PROCEDURE public.testproc(
>  batchcount bigint DEFAULT 100000,
>  INOUT outcount bigint DEFAULT 0,
>  INOUT errormsg character varying  DEFAULT ' ')
> ..............................
>
> Java code:
>
> String commandText = "{ call testproc(?,?,?) }";
> CallableStatement stmt = conn.prepareCall(commandText);
>
> stmt.setInt(1, new Integer("10000"));
> stmt.setInt(2, new Integer("0"));
> stmt.setString(3, new String("Start"));
> stmt.registerOutParameter(2, Types.INTEGER);
> stmt.registerOutParameter(3, Types.VARCHAR);
>
>
> stmt.execute();
>
>
>
>
> Regards,
> Kalyan Koka
>