PG_DIAG_SQLSTATE   90 ext/pdo_pgsql/php_pdo_pgsql_int.h #define pdo_pgsql_sqlstate(r) PQresultErrorField(r, PG_DIAG_SQLSTATE)
PG_DIAG_SQLSTATE 1176 ext/pgsql/pgsql.c 	REGISTER_LONG_CONSTANT("PGSQL_DIAG_SQLSTATE", PG_DIAG_SQLSTATE, CONST_CS | CONST_PERSISTENT);
PG_DIAG_SQLSTATE 4663 ext/pgsql/pgsql.c 	if (fieldcode & (PG_DIAG_SEVERITY|PG_DIAG_SQLSTATE|PG_DIAG_MESSAGE_PRIMARY|PG_DIAG_MESSAGE_DETAIL