I realize for the following code :
PGconn *connection = this->connection.getConnection();
PGresult *res = PQexec(connection, "DELETE FROM measurement_statistic WHERE
fk_lot_id = 47");
// status always false??
const bool status = (PQresultStatus(res) == PGRES_TUPLES_OK);
status will always remain false, although the actual row in database had been
delete.
I execute the above statement (DELETE FROM measurement_statistic WHERE
fk_lot_id = 47) through pgadmin. It works fine.
May I know why PGRES_TUPLES_OK is not being returned when I use DELETE? When I
try to execute SELECT statement, PGRES_TUPLES_OK can be returned.
Thanks and Regards
Yan Cheng CHEOK
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