&reftitle.constants; &extension.constants; PGSQL_ASSOC (integer) PGSQL_NUM (integer) PGSQL_BOTH (integer) PGSQL_CONNECTION_BAD (integer) PGSQL_CONNECTION_OK (integer) PGSQL_SEEK_SET (integer) PGSQL_SEEK_CUR (integer) PGSQL_SEEK_END (integer) PGSQL_ESCAPE_STRING (integer) PGSQL_ESCAPE_BYTEA (integer) PGSQL_EMPTY_QUERY (integer) PGSQL_COMMAND_OK (integer) PGSQL_TUPLES_OK (integer) PGSQL_COPY_OUT (integer) PGSQL_COPY_IN (integer) PGSQL_BAD_RESPONSE (integer) PGSQL_NONFATAL_ERROR (integer) PGSQL_FATAL_ERROR (integer)