From c01d31685ad365c6bf3e833c03d7f8a3402c0ec7 Mon Sep 17 00:00:00 2001 From: Andrey Andreev Date: Mon, 9 Apr 2012 12:55:11 +0300 Subject: Added a default _delete() method to CI_DB_active_record --- system/database/DB_active_rec.php | 25 ++++++++++++++++ system/database/drivers/cubrid/cubrid_driver.php | 33 --------------------- .../drivers/interbase/interbase_driver.php | 20 ++++--------- system/database/drivers/mysql/mysql_driver.php | 30 ------------------- system/database/drivers/mysqli/mysqli_driver.php | 29 ------------------ system/database/drivers/oci8/oci8_driver.php | 2 +- system/database/drivers/odbc/odbc_driver.php | 33 --------------------- system/database/drivers/pdo/pdo_driver.php | 34 ---------------------- system/database/drivers/postgre/postgre_driver.php | 21 ++++--------- system/database/drivers/sqlite/sqlite_driver.php | 33 --------------------- system/database/drivers/sqlite3/sqlite3_driver.php | 29 ------------------ 11 files changed, 38 insertions(+), 251 deletions(-) (limited to 'system') diff --git a/system/database/DB_active_rec.php b/system/database/DB_active_rec.php index f92110732..a5df7f31a 100644 --- a/system/database/DB_active_rec.php +++ b/system/database/DB_active_rec.php @@ -1872,6 +1872,31 @@ abstract class CI_DB_active_record extends CI_DB_driver { // -------------------------------------------------------------------- + /** + * Delete statement + * + * Generates a platform-specific delete string from the supplied data + * + * @param string the table name + * @param array the where clause + * @param array the like clause + * @param string the limit clause + * @return string + */ + protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + { + $conditions = array(); + + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); + + return 'DELETE FROM '.$table + .(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : '') + .($limit ? ' LIMIT '.$limit : ''); + } + + // -------------------------------------------------------------------- + /** * DB Prefix * diff --git a/system/database/drivers/cubrid/cubrid_driver.php b/system/database/drivers/cubrid/cubrid_driver.php index 74d1a850a..7a5c048f9 100644 --- a/system/database/drivers/cubrid/cubrid_driver.php +++ b/system/database/drivers/cubrid/cubrid_driver.php @@ -509,39 +509,6 @@ class CI_DB_cubrid_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } - - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/interbase/interbase_driver.php b/system/database/drivers/interbase/interbase_driver.php index 854473723..cc5267d8a 100644 --- a/system/database/drivers/interbase/interbase_driver.php +++ b/system/database/drivers/interbase/interbase_driver.php @@ -424,25 +424,17 @@ class CI_DB_interbase_driver extends CI_DB { * * @param string the table name * @param array the where clause - * @param string the limit clause + * @param array the like clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array()) { - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $where) - .((count($where) > 0 && count($like) > 0) ? ' AND ' : '') - .implode("\n", $like); - } - else - { - $conditions = ''; - } + $conditions = array(); - //$limit = ( ! $limit) ? '' : ' LIMIT '.$limit; + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); - return 'DELETE FROM '.$table.' '.$conditions; + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index e189dd814..c2fccc1f7 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -500,36 +500,6 @@ class CI_DB_mysql_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 50e213641..a690682be 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -502,35 +502,6 @@ class CI_DB_mysqli_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/oci8/oci8_driver.php b/system/database/drivers/oci8/oci8_driver.php index a452d51ed..1b66178c6 100644 --- a/system/database/drivers/oci8/oci8_driver.php +++ b/system/database/drivers/oci8/oci8_driver.php @@ -644,7 +644,7 @@ class CI_DB_oci8_driver extends CI_DB { empty($like) OR $conditions[] = implode(' ', $like); empty($limit) OR $conditions[] = 'rownum <= '.$limit; - return 'DELETE FROM '.$table.(empty($conditions) ? '' : ' WHERE '.implode(' AND ', $conditions)); + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/odbc/odbc_driver.php b/system/database/drivers/odbc/odbc_driver.php index d1a5f774b..38416cf90 100644 --- a/system/database/drivers/odbc/odbc_driver.php +++ b/system/database/drivers/odbc/odbc_driver.php @@ -381,39 +381,6 @@ class CI_DB_odbc_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } - - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index 5ba0cf8be..45f8cc1fb 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -640,40 +640,6 @@ class CI_DB_pdo_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - - $conditions .= implode("\n", $like); - } - - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return 'DELETE FROM '.$table.$conditions.$limit; - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index c15417f65..b85049d04 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -516,26 +516,17 @@ class CI_DB_postgre_driver extends CI_DB { * * @param string the table name * @param array the where clause - * @param string the limit clause + * @param array the like clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table, $where = array(), $like = array()) { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); + $conditions = array(); - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } + empty($where) OR $conditions[] = implode(' ', $where); + empty($like) OR $conditions[] = implode(' ', $like); - return "DELETE FROM ".$table.$conditions; + return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/sqlite/sqlite_driver.php b/system/database/drivers/sqlite/sqlite_driver.php index 3a986d0a8..5021deb63 100644 --- a/system/database/drivers/sqlite/sqlite_driver.php +++ b/system/database/drivers/sqlite/sqlite_driver.php @@ -421,39 +421,6 @@ class CI_DB_sqlite_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - - if (count($where) > 0 OR count($like) > 0) - { - $conditions = "\nWHERE "; - $conditions .= implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= " AND "; - } - $conditions .= implode("\n", $like); - } - - $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; - - return "DELETE FROM ".$table.$conditions.$limit; - } - - // -------------------------------------------------------------------- - /** * Limit string * diff --git a/system/database/drivers/sqlite3/sqlite3_driver.php b/system/database/drivers/sqlite3/sqlite3_driver.php index 12354e1bc..49cfbe7ec 100644 --- a/system/database/drivers/sqlite3/sqlite3_driver.php +++ b/system/database/drivers/sqlite3/sqlite3_driver.php @@ -397,35 +397,6 @@ class CI_DB_sqlite3_driver extends CI_DB { // -------------------------------------------------------------------- - /** - * Delete statement - * - * Generates a platform-specific delete string from the supplied data - * - * @param string the table name - * @param array the where clause - * @param string the limit clause - * @return string - */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) - { - $conditions = ''; - if (count($where) > 0 OR count($like) > 0) - { - $conditions .= "\nWHERE ".implode("\n", $this->ar_where); - - if (count($where) > 0 && count($like) > 0) - { - $conditions .= ' AND '; - } - $conditions .= implode("\n", $like); - } - - return 'DELETE FROM '.$table.$conditions.( ! $limit ? '' : ' LIMIT '.$limit); - } - - // -------------------------------------------------------------------- - /** * Limit string * -- cgit v1.2.3-24-g4f1b