diff options
Diffstat (limited to 'system/database/drivers/pdo')
12 files changed, 97 insertions, 286 deletions
diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index b36a3d927..a6e2a6264 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -360,14 +360,12 @@ class CI_DB_pdo_driver extends CI_DB { * * @param string the table name * @param array the update data - * @param array the where clause + * @param string the where key * @return string */ - protected function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index) { $ids = array(); - $where = ($where !== '' && count($where) >=1) ? implode(" ", $where).' AND ' : ''; - foreach ($values as $key => $val) { $ids[] = $val[$index]; @@ -381,9 +379,7 @@ class CI_DB_pdo_driver extends CI_DB { } } - $sql = 'UPDATE '.$table.' SET '; $cases = ''; - foreach ($final as $k => $v) { $cases .= $k.' = CASE '."\n"; @@ -396,10 +392,9 @@ class CI_DB_pdo_driver extends CI_DB { $cases .= 'ELSE '.$k.' END, '; } - $sql .= substr($cases, 0, -2); - $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; + $this->where($index.' IN('.implode(',', $ids).')', NULL, FALSE); - return $sql; + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_where(); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php index e287f5c63..014112401 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_4d_driver.php @@ -152,27 +152,13 @@ class CI_DB_pdo_4d_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -183,21 +169,12 @@ class CI_DB_pdo_4d_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause (ignored) * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; - - return 'DELETE FROM '.$table.$conditions; + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php index 05eeacfe6..be85c8644 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_cubrid_driver.php @@ -133,10 +133,10 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause + * @param string the where key * @return string */ - protected function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index) { $ids = array(); foreach ($values as $key => $val) @@ -160,9 +160,9 @@ class CI_DB_pdo_cubrid_driver extends CI_DB_pdo_driver { .'ELSE '.$k.' END), '; } - return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') - .$index.' IN('.implode(',', $ids).')'; + $this->where($index.' IN('.implode(',', $ids).')', NULL, FALSE); + + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_where(); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php index 7060c9eb9..6df9cc638 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_dblib_driver.php @@ -175,27 +175,13 @@ class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -206,23 +192,16 @@ class CI_DB_pdo_dblib_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; + if ($this->qb_limit) + { + return 'WITH ci_delete AS (SELECT TOP '.(int) $this->qb_limit.' * FROM '.$table.$this->_compile_where().') DELETE FROM ci_delete'; + } - return ($limit) - ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete' - : 'DELETE FROM '.$table.$conditions; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php index c074a9a78..ee21ed22f 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_firebird_driver.php @@ -161,29 +161,12 @@ class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr) - .$where - .(count($orderby) > 0 ? ' ORDER BY '.implode(', ', $orderby) : ''); + $this->qb_limit = FALSE; + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -212,19 +195,12 @@ class CI_DB_pdo_firebird_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause (ignored) * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php index 832c03c96..7563a42d6 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_ibm_driver.php @@ -187,27 +187,13 @@ class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -218,21 +204,12 @@ class CI_DB_pdo_ibm_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause (ignored) * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; - - return 'DELETE FROM '.$table.$conditions; + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php index a3efc63dc..a6869a7d2 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_informix_driver.php @@ -181,27 +181,13 @@ class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -230,21 +216,12 @@ class CI_DB_pdo_informix_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause (ignored) * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; - - return 'DELETE FROM '.$table.$conditions; + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php index 78afe246c..e10a84545 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_mysql_driver.php @@ -161,10 +161,10 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause + * @param string the where key * @return string */ - protected function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index) { $ids = array(); foreach ($values as $key => $val) @@ -188,9 +188,9 @@ class CI_DB_pdo_mysql_driver extends CI_DB_pdo_driver { .'ELSE '.$k.' END), '; } - return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') - .$index.' IN('.implode(',', $ids).')'; + $this->where($index.' IN('.implode(',', $ids).')', NULL, FALSE); + + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_where(); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php index 56ec1bce1..494d82c3f 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_oci_driver.php @@ -190,20 +190,17 @@ class CI_DB_pdo_oci_driver extends CI_DB_pdo_driver { * 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(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - empty($limit) OR $conditions[] = 'rownum <= '.$limit; + if ($this->qb_limit) + { + $this->where('rownum <= ', (int) $this->qb_limit, FALSE); + $this->qb_limit = FALSE; + } - return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php index 392754ff7..722acad89 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_odbc_driver.php @@ -179,27 +179,13 @@ class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -228,21 +214,12 @@ class CI_DB_pdo_odbc_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; - - return 'DELETE FROM '.$table.$conditions; + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- diff --git a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php index 9a476f143..d2afd1d71 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_pgsql_driver.php @@ -164,27 +164,13 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -196,10 +182,10 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause + * @param string the where key * @return string */ - protected function _update_batch($table, $values, $index, $where = NULL) + protected function _update_batch($table, $values, $index) { $ids = array(); foreach ($values as $key => $val) @@ -218,14 +204,14 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { $cases = ''; foreach ($final as $k => $v) { - $cases .= $k.' = (CASE '.$k."\n" + $cases .= $k.' = (CASE '.$index."\n" .implode("\n", $v)."\n" .'ELSE '.$k.' END), '; } - return 'UPDATE '.$table.' SET '.substr($cases, 0, -2) - .' WHERE '.(($where !== '' && count($where) > 0) ? implode(' ', $where).' AND ' : '') - .$index.' IN('.implode(',', $ids).')'; + $this->where($index.' IN('.implode(',', $ids).')', NULL, FALSE); + + return 'UPDATE '.$table.' SET '.substr($cases, 0, -2).$this->_compile_where(); } // -------------------------------------------------------------------- @@ -236,19 +222,12 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { * 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 (ignored) * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - return 'DELETE FROM '.$table.(count($conditions) > 0 ? ' WHERE '.implode(' AND ', $conditions) : ''); + $this->qb_limit = FALSE; + return parent::_delete($table); } // -------------------------------------------------------------------- @@ -273,11 +252,12 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { /** * Where * - * Called by where() or or_where() + * Called by where(), or_where() * * @param mixed * @param mixed * @param string + * @param bool * @return object */ protected function _where($key, $value = NULL, $type = 'AND ', $escape = NULL) @@ -296,10 +276,6 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { ? $this->_group_get_type('') : $this->_group_get_type($type); - $k = (($op = $this->_get_operator($k)) !== FALSE) - ? $this->protect_identifiers(substr($k, 0, strpos($k, $op)), FALSE, $escape).strstr($k, $op) - : $this->protect_identifiers($k, FALSE, $escape); - if (is_null($v) && ! $this->_has_operator($k)) { // value appears not to have been set, assign the test to IS NULL @@ -308,13 +284,13 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { if ( ! is_null($v)) { - if ($escape === TRUE) + if (is_bool($v)) { - $v = ' '.$this->escape($v); + $v = ' '.($v ? 'TRUE' : 'FALSE'); } - elseif (is_bool($v)) + elseif ($escape === TRUE) { - $v = ($v ? ' TRUE' : ' FALSE'); + $v = ' '.(is_int($v) ? $v : $this->escape($v)); } if ( ! $this->_has_operator($k)) @@ -323,10 +299,11 @@ class CI_DB_pdo_pgsql_driver extends CI_DB_pdo_driver { } } - $this->qb_where[] = $prefix.$k.$v; + $this->qb_where[] = array('condition' => $prefix.$k.$v, 'escape' => $escape); if ($this->qb_caching === TRUE) { - $this->qb_cache_where[] = $prefix.$k.$v; + // check this shit + $this->qb_cache_where[] = array('condition' => $prefix.$k.$v, 'escape' => $escape); $this->qb_cache_exists[] = 'where'; } diff --git a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php index f125b8f50..1896225f0 100644 --- a/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php +++ b/system/database/drivers/pdo/subdrivers/pdo_sqlsrv_driver.php @@ -204,27 +204,13 @@ class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver { * * @param string the table name * @param array the update data - * @param array the where clause - * @param array the orderby clause (ignored) - * @param array the limit clause (ignored) - * @param array the like clause * @return string */ - protected function _update($table, $values, $where, $orderby = array(), $limit = FALSE, $like = array()) + protected function _update($table, $values) { - foreach ($values as $key => $val) - { - $valstr[] = $key.' = '.$val; - } - - $where = empty($where) ? '' : ' WHERE '.implode(' ', $where); - - if ( ! empty($like)) - { - $where .= ($where === '' ? ' WHERE ' : ' AND ').implode(' ', $like); - } - - return 'UPDATE '.$table.' SET '.implode(', ', $valstr).$where; + $this->qb_limit = FALSE; + $this->qb_orderby = array(); + return parent::_update($table, $values); } // -------------------------------------------------------------------- @@ -235,23 +221,16 @@ class CI_DB_pdo_sqlsrv_driver extends CI_DB_pdo_driver { * Generates a platform-specific delete string from the supplied data * * @param string the table name - * @param array the where clause - * @param array the like clause - * @param string the limit clause * @return string */ - protected function _delete($table, $where = array(), $like = array(), $limit = FALSE) + protected function _delete($table) { - $conditions = array(); - - empty($where) OR $conditions[] = implode(' ', $where); - empty($like) OR $conditions[] = implode(' ', $like); - - $conditions = (count($conditions) > 0) ? ' WHERE '.implode(' AND ', $conditions) : ''; + if ($this->qb_limit) + { + return 'WITH ci_delete AS (SELECT TOP '.(int) $this->qb_limit.' * FROM '.$table.$this->_compile_where().') DELETE FROM ci_delete'; + } - return ($limit) - ? 'WITH ci_delete AS (SELECT TOP '.$limit.' * FROM '.$table.$conditions.') DELETE FROM ci_delete' - : 'DELETE FROM '.$table.$conditions; + return parent::_delete($table); } // -------------------------------------------------------------------- |