From: Florian Forster <octo@leeloo.lan.home.verplant.org>
Date: Tue, 3 Feb 2009 20:35:01 +0000 (+0100)
Subject: dbi plugin: Use the server version to only use appropriate queries.
X-Git-Tag: collectd-4.6.0~74
X-Git-Url: https://git.octo.it/?p=collectd.git;a=commitdiff_plain;h=a1aa2b8813ff52e017e9686034010c045aea59fe

dbi plugin: Use the server version to only use appropriate queries.
---

diff --git a/src/dbi.c b/src/dbi.c
index ee436023..a542df32 100644
--- a/src/dbi.c
+++ b/src/dbi.c
@@ -712,14 +712,25 @@ static int cdbi_read_database (cdbi_database_t *db) /* {{{ */
   int success;
   int status;
 
+  unsigned int db_version;
+
   status = cdbi_connect_database (db);
   if (status != 0)
     return (status);
   assert (db->connection != NULL);
 
+  db_version = dbi_conn_get_engine_version (db->connection);
+  /* TODO: Complain if `db_version == 0' */
+
   success = 0;
   for (i = 0; i < db->queries_num; i++)
   {
+    /* Check if we know the database's version and if so, if this query applies
+     * to that version. */
+    if ((db_version != 0)
+        && (udb_query_check_version (db->queries[i], db_version) == 0))
+      continue;
+
     status = cdbi_read_database_query (db, db->queries[i]);
     if (status == 0)
       success++;