When not having a condition you can pass a empty string or '*'
Change-Id: Id1bb6cf6e6bd89ad2df492e7441253d06fcf2a2d
*
* @param string|array $table Table name
* @param string|array $vars Field names
*
* @param string|array $table Table name
* @param string|array $vars Field names
- * @param array $conds Conditions
+ * @param string|array $conds Conditions
* @param string $fname Caller function name
* @param string|array $options Query options
* @param array|string $join_conds Join conditions
* @param string $fname Caller function name
* @param string|array $options Query options
* @param array|string $join_conds Join conditions