postgresql plugin: Let the read callback fail if all queries failed.

diff --git a/src/postgresql.c b/src/postgresql.c
index 99e40fe..d390abd 100644 (file)
--- a/src/postgresql.c
+++ b/src/postgresql.c
@@ -463,6 +463,8 @@ static int c_psql_exec_query (c_psql_database_t *db, udb_query_t *q,
 static int c_psql_read (user_data_t *ud)
 {
        c_psql_database_t *db;
+
+       int success = 0;
        int i;
 
        if ((ud == NULL) || (ud->data == NULL)) {
@@ -489,8 +491,12 @@ static int c_psql_read (user_data_t *ud)
                                && (udb_query_check_version (q, db->server_version) <= 0))
                        continue;
 
-               c_psql_exec_query (db, q, prep_area);
+               if (0 == c_psql_exec_query (db, q, prep_area))
+                       success = 1;
        }
+
+       if (! success)
+               return -1;
        return 0;
 } /* c_psql_read */