Fix to check the result of connection attempt.

diff --git a/contrib/postgresql_fdw/postgresql_fdw.c b/contrib/postgresql_fdw/postgresql_fdw.c
index 77fc107339ed979bfa32c484cd125debd7cd276d..fce9bcb4634ac1392ff85427fb835ba26d2bbe39 100644 (file)
--- a/contrib/postgresql_fdw/postgresql_fdw.c
+++ b/contrib/postgresql_fdw/postgresql_fdw.c
@@ -125,6 +125,11 @@ pgConnectServer(ForeignServer *server, UserMapping *user)
    /* verify connection parameters and do connect */
    check_conn_params(keywords, values);
    conn = PQconnectdbParams(keywords, values, 0);
+   if (!conn || PQstatus(conn) != CONNECTION_OK)
+       ereport(ERROR,
+               (errcode(ERRCODE_SQLCLIENT_UNABLE_TO_ESTABLISH_SQLCONNECTION),
+                errmsg("could not connect to server"),
+                errdetail("%s", PQerrorMessage(conn))));
    pfree(keywords);
    pfree(values);