Changed one LIMIT to a cross-db WHERE clause

diff --git a/lib/dmllib.php b/lib/dmllib.php
index 2c9fb5d61ffb1dba15ed2cca2b04a0ab123b93fe..34aee54754c5c3206be4e55af2c0f0bb439599ee 100644 (file)
--- a/lib/dmllib.php
+++ b/lib/dmllib.php
@@ -1352,7 +1352,7 @@ function column_type($table, $column) {
 
     if (defined('MDL_PERFDB')) { global $PERF ; $PERF->dbqueries++; };
 
-    if(!$rs = $db->Execute('SELECT '.$column.' FROM '.$CFG->prefix.$table.' LIMIT 0')) {
+    if(!$rs = $db->Execute('SELECT '.$column.' FROM '.$CFG->prefix.$table.' WHERE 1=2')) {
         return false;
     }