Use PG_EVENT_WRITE status for PgSQL

lib/Base_Thread.cpp

@@ -349,8 +349,13 @@ void Base_Thread::configure_pollout(DS * myds, unsigned int n) {
 	} else {
 		if (myds->DSS > STATE_MARIADB_BEGIN && myds->DSS < STATE_MARIADB_END) {
 			thr->mypolls.fds[n].events = POLLIN;
-			if (thr->mypolls.myds[n]->myconn->async_exit_status & MYSQL_WAIT_WRITE)
-				thr->mypolls.fds[n].events |= POLLOUT;
+			if constexpr (std::is_same_v<T, PgSQL_Thread>) {
+				if (thr->mypolls.myds[n]->myconn->async_exit_status & PG_EVENT_WRITE)
+					thr->mypolls.fds[n].events |= POLLOUT;
+			} else if constexpr (std::is_same_v<T, MySQL_Thread>) {
+				if (thr->mypolls.myds[n]->myconn->async_exit_status & MYSQL_WAIT_WRITE)
+					thr->mypolls.fds[n].events |= POLLOUT;
+			}
 		} else {
 			myds->set_pollout();
 		}