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Diffstat (limited to 'system/database/DB_query_builder.php')
| -rw-r--r-- | system/database/DB_query_builder.php | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index 7a0ea0c30..3ed556212 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -1475,6 +1475,24 @@ abstract class CI_DB_query_builder extends CI_DB_driver { // -------------------------------------------------------------------- /** + * From Tables + * + * This public function implicitly groups FROM tables so there is no confusion + * about operator precedence in harmony with SQL standards + * + * @param array + * @return string + */ + protected function _from_tables($tables) + { + is_array($tables) OR $tables = array($tables); + + return (count($tables) === 1) ? $tables[0] : '('.implode(', ', $tables).')'; + } + + // -------------------------------------------------------------------- + + /** * Get UPDATE query string * * Compiles an update query and returns the sql |