SQL - improve CAST('field' AS CHAR(n))

joomla · Oct 15, 2016 · 05b7858 · 05b7858
1 parent 57e81ec
commit 05b7858
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/libraries/joomla/database/query/postgresql.php b/libraries/joomla/database/query/postgresql.php
@@ -261,16 +261,26 @@ public function clear($clause = null)
 	 *
 	 * Usage:
 	 * $query->select($query->castAsChar('a'));
+	 * $query->select($query->castAsChar('a', 40));
 	 *
 	 * @param   string  $value  The value to cast as a char.
 	 *
+	 * @param   string  $len    The lenght of the char.
+	 *
 	 * @return  string  Returns the cast value.
 	 *
 	 * @since   11.3
 	 */
-	public function castAsChar($value)
+	public function castAsChar($value, $len = null)
 	{
-		return $value . '::text';
+		if (!$len)
+		{
+			return $value . '::text';
+		}
+		else
+		{
+			return ' CAST(' . $value . ' AS CHAR(' . $len . '))';
+		}
 	}
 
 	/**