From 3751f9362b731f5f3d2e63176c364d6281fdf415 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Sun, 17 Jun 2012 18:07:48 +0300 Subject: Add join() USING support --- system/database/DB_query_builder.php | 14 +++++++++++--- user_guide_src/source/changelog.rst | 1 + 2 files changed, 12 insertions(+), 3 deletions(-) diff --git a/system/database/DB_query_builder.php b/system/database/DB_query_builder.php index 27f9f363b..4c54b1c0a 100644 --- a/system/database/DB_query_builder.php +++ b/system/database/DB_query_builder.php @@ -368,12 +368,20 @@ abstract class CI_DB_query_builder extends CI_DB_driver { $newcond .= $m[0][$i][0]; } - $cond = $newcond; + $cond = ' ON '.$newcond; } // Split apart the condition and protect the identifiers elseif ($escape === TRUE && preg_match('/([\[\w\.-]+)([\W\s]+)(.+)/i', $cond, $match)) { - $cond = $this->protect_identifiers($match[1]).$match[2].$this->protect_identifiers($match[3]); + $cond = ' ON '.$this->protect_identifiers($match[1]).$match[2].$this->protect_identifiers($match[3]); + } + elseif ( ! $this->_has_operator($cond)) + { + $cond = ' USING ('.($escape ? $this->escape_identifiers($cond) : $cond).')'; + } + else + { + $cond = ' ON '.$cond; } // Do we want to escape the table name? @@ -383,7 +391,7 @@ abstract class CI_DB_query_builder extends CI_DB_driver { } // Assemble the JOIN statement - $this->qb_join[] = $join = $type.'JOIN '.$table.' ON '.$cond; + $this->qb_join[] = $join = $type.'JOIN '.$table.$cond; if ($this->qb_caching === TRUE) { diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst index 4054a04ff..b39d43b1a 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -79,6 +79,7 @@ Release Date: Not Released - Added new methods that return the SQL string of queries without executing them: get_compiled_select(), get_compiled_insert(), get_compiled_update(), get_compiled_delete(). - Added an optional parameter that allows to disable escaping (useful for custom fields) for methods join(), order_by(), where_in(), or_where_in(), where_not_in(), or_where_not_in(). - Added support for join() with multiple conditions. + - Added support for USING in join(). - Improved support for the MySQLi driver, including: - OOP style of the PHP extension is now used, instead of the procedural aliases. - Server version checking is now done via ``mysqli::$server_info`` instead of running an SQL query. -- cgit v1.2.3-24-g4f1b