diff options
Diffstat (limited to 'system/database/drivers')
-rw-r--r-- | system/database/drivers/mysql/mysql_driver.php | 6 | ||||
-rw-r--r-- | system/database/drivers/mysqli/mysqli_driver.php | 6 | ||||
-rw-r--r-- | system/database/drivers/oci8/oci8_result.php | 16 | ||||
-rw-r--r-- | system/database/drivers/pdo/pdo_driver.php | 6 | ||||
-rw-r--r-- | system/database/drivers/postgre/postgre_driver.php | 41 | ||||
-rw-r--r-- | system/database/drivers/sqlite3/sqlite3_result.php | 16 | ||||
-rw-r--r-- | system/database/drivers/sqlsrv/sqlsrv_driver.php | 10 |
7 files changed, 72 insertions, 29 deletions
diff --git a/system/database/drivers/mysql/mysql_driver.php b/system/database/drivers/mysql/mysql_driver.php index 161f99541..d801a9aaf 100644 --- a/system/database/drivers/mysql/mysql_driver.php +++ b/system/database/drivers/mysql/mysql_driver.php @@ -47,7 +47,7 @@ class CI_DB_mysql_driver extends CI_DB { // clause and character used for LIKE escape sequences - not used in MySQL protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; + protected $_like_escape_chr = '\\'; /** * The syntax to count rows is slightly different across different @@ -291,7 +291,9 @@ class CI_DB_mysql_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - return str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; diff --git a/system/database/drivers/mysqli/mysqli_driver.php b/system/database/drivers/mysqli/mysqli_driver.php index 9261883f5..61761e0c6 100644 --- a/system/database/drivers/mysqli/mysqli_driver.php +++ b/system/database/drivers/mysqli/mysqli_driver.php @@ -47,7 +47,7 @@ class CI_DB_mysqli_driver extends CI_DB { // clause and character used for LIKE escape sequences - not used in MySQL protected $_like_escape_str = ''; - protected $_like_escape_chr = ''; + protected $_like_escape_chr = '\\'; /** * The syntax to count rows is slightly different across different @@ -291,7 +291,9 @@ class CI_DB_mysqli_driver extends CI_DB { // escape LIKE condition wildcards if ($like === TRUE) { - return str_replace(array('%', '_'), array('\\%', '\\_'), $str); + return str_replace(array($this->_like_escape_chr, '%', '_'), + array($this->_like_escape_chr.$this->_like_escape_chr, $this->_like_escape_chr.'%', $this->_like_escape_chr.'_'), + $str); } return $str; diff --git a/system/database/drivers/oci8/oci8_result.php b/system/database/drivers/oci8/oci8_result.php index 7b05e0a43..6fb6c81f1 100644 --- a/system/database/drivers/oci8/oci8_result.php +++ b/system/database/drivers/oci8/oci8_result.php @@ -419,7 +419,7 @@ class CI_DB_oci8_result extends CI_DB_result { OR $n < $this->current_row) { // No such row exists - return array(); + return NULL; } // Get the next row index that would actually need to be fetched @@ -460,7 +460,7 @@ class CI_DB_oci8_result extends CI_DB_result { $this->num_rows = 0; } - return array(); + return NULL; } $this->current_row = $n; @@ -507,7 +507,7 @@ class CI_DB_oci8_result extends CI_DB_result { return (object) $row; } - return array(); + return NULL; } // -------------------------------------------------------------------- @@ -539,19 +539,19 @@ class CI_DB_oci8_result extends CI_DB_result { } else { - return array(); + return NULL; } } elseif ( ! class_exists($class_name)) // No such class exists { - return array(); + return NULL; } $row = $this->row_array($n); - // An array would mean that the row doesn't exist - if (is_array($row)) + // A non-array would mean that the row doesn't exist + if ( ! is_array($row)) { - return $row; + return NULL; } // Convert to the desired class and return diff --git a/system/database/drivers/pdo/pdo_driver.php b/system/database/drivers/pdo/pdo_driver.php index e38c1145c..4784fc65b 100644 --- a/system/database/drivers/pdo/pdo_driver.php +++ b/system/database/drivers/pdo/pdo_driver.php @@ -79,13 +79,13 @@ class CI_DB_pdo_driver extends CI_DB { // clause and character used for LIKE escape sequences // this one depends on the driver being used - if ($this->pdodriver == 'mysql') + if ($this->pdodriver === 'mysql') { $this->_escape_char = '`'; $this->_like_escape_str = ''; - $this->_like_escape_chr = ''; + $this->_like_escape_chr = '\\'; } - elseif ($this->pdodriver == 'odbc') + elseif ($this->pdodriver === 'odbc') { $this->_like_escape_str = " {escape '%s'} "; } diff --git a/system/database/drivers/postgre/postgre_driver.php b/system/database/drivers/postgre/postgre_driver.php index 0ddfd0abe..30689cc70 100644 --- a/system/database/drivers/postgre/postgre_driver.php +++ b/system/database/drivers/postgre/postgre_driver.php @@ -539,6 +539,47 @@ class CI_DB_postgre_driver extends CI_DB { // -------------------------------------------------------------------- /** + * Update_Batch statement + * + * Generates a platform-specific batch update string from the supplied data + * + * @param string the table name + * @param array the update data + * @param array the where clause + * @return string + */ + protected function _update_batch($table, $values, $index, $where = NULL) + { + $ids = array(); + foreach ($values as $key => $val) + { + $ids[] = $val[$index]; + + foreach (array_keys($val) as $field) + { + if ($field != $index) + { + $final[$field][] = 'WHEN '.$val[$index].' THEN '.$val[$field]; + } + } + } + + $cases = ''; + foreach ($final as $k => $v) + { + $cases .= $k.' = (CASE '.$k."\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(',', $ids).')'; + } + + // -------------------------------------------------------------------- + + /** * Delete statement * * Generates a platform-specific delete string from the supplied data diff --git a/system/database/drivers/sqlite3/sqlite3_result.php b/system/database/drivers/sqlite3/sqlite3_result.php index d83d6b2cd..946b36557 100644 --- a/system/database/drivers/sqlite3/sqlite3_result.php +++ b/system/database/drivers/sqlite3/sqlite3_result.php @@ -386,7 +386,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { OR count($this->result_array) > 0 OR $n < $this->current_row) { // No such row exists - return array(); + return NULL; } // Get the next row index that would actually need to be fetched @@ -427,7 +427,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { $this->num_rows = 0; } - return array(); + return NULL; } $this->current_row = $n; @@ -469,7 +469,7 @@ class CI_DB_sqlite3_result extends CI_DB_result { return (object) $row; } - return array(); + return NULL; } // -------------------------------------------------------------------- @@ -501,19 +501,19 @@ class CI_DB_sqlite3_result extends CI_DB_result { } else { - return array(); + return NULL; } } elseif ( ! class_exists($class_name)) // No such class exists { - return array(); + return NULL; } $row = $this->row_array($n); - // An array would mean that the row doesn't exist - if (is_array($row)) + // A non-array would mean that the row doesn't exist + if ( ! is_array($row)) { - return $row; + return NULL; } // Convert to the desired class and return diff --git a/system/database/drivers/sqlsrv/sqlsrv_driver.php b/system/database/drivers/sqlsrv/sqlsrv_driver.php index 3e9fa7b1a..5a24f5532 100644 --- a/system/database/drivers/sqlsrv/sqlsrv_driver.php +++ b/system/database/drivers/sqlsrv/sqlsrv_driver.php @@ -132,11 +132,9 @@ class CI_DB_sqlsrv_driver extends CI_DB { */ protected function _execute($sql) { - return sqlsrv_query($this->conn_id, - $sql, - NULL, - array('Scrollable'=> SQLSRV_CURSOR_STATIC, 'SendStreamParamsAtExec' => TRUE) - ); + return (is_write_type($sql) && stripos($sql, 'INSERT') === FALSE) + ? sqlsrv_query($this->conn_id, $sql) + : sqlsrv_query($this->conn_id, $sql, NULL, array('Scrollable' => SQLSRV_CURSOR_STATIC)); } // -------------------------------------------------------------------- @@ -237,7 +235,7 @@ class CI_DB_sqlsrv_driver extends CI_DB { */ public function affected_rows() { - return @sqlrv_rows_affected($this->conn_id); + return sqlrv_rows_affected($this->result_id); } // -------------------------------------------------------------------- |