On Tue, Jan 10, 2012 at 6:48 PM, Michael P. Soulier
<michael_soulier@xxxxxxxxx> wrote:
> res = PQexec(conn, "BEGIN");
> if (PQresultStatus(res) != PGRES_COMMAND_OK)
> {
> fprintf(stderr, "DB: BEGIN command failed: %s", PQerrorMessage(conn));
> PQclear(res);
> exit_nicely(conn);
> }
>
> res = PQexec(conn, commandbuf);
> if (PQresultStatus(res) != PGRES_COMMAND_OK)
> {
> fprintf(stderr, "DB: UPDATE command failed: %s", PQerrorMessage(conn));
> PQclear(res);
> exit_nicely(conn);
> }
>
> /* end the transaction */
> res = PQexec(conn, "END");
> PQclear(res);
You're missing 2 PQclear() calls on success.
http://www.postgresql.org/docs/devel/static/libpq-exec.html#LIBPQ-EXEC-MAIN
PQclear
Frees the storage associated with a PGresult. Every command result
should be freed via PQclear when it is no longer needed.
void PQclear(PGresult *res);
You can keep a PGresult object around for as long as you need it;
it does not go away when you issue a new command, nor even if you
close the connection. To get rid of it, you must call PQclear. Failure
to do this will result in memory leaks in your application.
--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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