X-Git-Url: http://git.dj3c1t.com/?a=blobdiff_plain;f=mw%2Fapp%2Fdata%2Fimpl%2Fmw_mysql.php;h=991ac4d6164bd045f6d592ee4c25011c652f3df0;hb=4bc0f6efc262d712b5c6f09375548bf17cd1576d;hp=0cff0c20bf5cccd3d1c6bc4fc0bae891be7c4115;hpb=dd547a56fc147a8a8b482c51a4f241d1ccbb62cb;p=mtweb

diff --git a/mw/app/data/impl/mw_mysql.php b/mw/app/data/impl/mw_mysql.php
index 0cff0c2..991ac4d 100644
--- a/mw/app/data/impl/mw_mysql.php
+++ b/mw/app/data/impl/mw_mysql.php
@@ -48,6 +48,17 @@
       return false;
     }
 
+    function field_exists($table_name, $field_name){
+      if(!$this->link) $this->connect($this->host, $this->base, $this->user, $this->password);
+      $sql = "SHOW COLUMNS FROM `".$table_name."` LIKE ".$field_name;
+      $rst = $this->query($sql);
+      $exists = false;
+      $v_rst = $this->fetch_assoc($rst);
+      if($v_rst) $exists = true;
+      $this->free_result($rst);
+      return $exists;
+    }
+
     function query($query_string){
       if(!$this->link) $this->connect($this->host, $this->base, $this->user, $this->password);
       $result = @mysql_query($query_string, $this->link);