1023 lines
31 KiB
PHP
1023 lines
31 KiB
PHP
<?php
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$drivers = array("server" => "MySQL") + $drivers;
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if (!defined("DRIVER")) {
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$possible_drivers = array("MySQLi", "MySQL", "PDO_MySQL");
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define("DRIVER", "server"); // server - backwards compatibility
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// MySQLi supports everything, MySQL doesn't support multiple result sets, PDO_MySQL doesn't support orgtable
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if (extension_loaded("mysqli")) {
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class Min_DB extends MySQLi {
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var $extension = "MySQLi";
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function Min_DB() {
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parent::init();
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}
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function connect($server, $username, $password) {
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mysqli_report(MYSQLI_REPORT_OFF); // stays between requests, not required since PHP 5.3.4
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list($host, $port) = explode(":", $server, 2); // part after : is used for port or socket
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$return = @$this->real_connect(
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($server != "" ? $host : ini_get("mysqli.default_host")),
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($server . $username != "" ? $username : ini_get("mysqli.default_user")),
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($server . $username . $password != "" ? $password : ini_get("mysqli.default_pw")),
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null,
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(is_numeric($port) ? $port : ini_get("mysqli.default_port")),
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(!is_numeric($port) ? $port : null)
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);
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if ($return) {
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if (method_exists($this, 'set_charset')) {
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$this->set_charset("utf8");
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} else {
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$this->query("SET NAMES utf8");
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}
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}
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return $return;
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}
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function result($query, $field = 0) {
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$result = $this->query($query);
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if (!$result) {
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return false;
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}
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$row = $result->fetch_array();
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return $row[$field];
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}
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function quote($string) {
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return "'" . $this->escape_string($string) . "'";
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}
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}
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} elseif (extension_loaded("mysql") && !(ini_get("sql.safe_mode") && extension_loaded("pdo_mysql"))) {
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class Min_DB {
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var
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$extension = "MySQL", ///< @var string extension name
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$server_info, ///< @var string server version
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$affected_rows, ///< @var int number of affected rows
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$errno, ///< @var int last error code
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$error, ///< @var string last error message
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$_link, $_result ///< @access private
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;
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/** Connect to server
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* @param string
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* @param string
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* @param string
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* @return bool
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*/
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function connect($server, $username, $password) {
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$this->_link = @mysql_connect(
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($server != "" ? $server : ini_get("mysql.default_host")),
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("$server$username" != "" ? $username : ini_get("mysql.default_user")),
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("$server$username$password" != "" ? $password : ini_get("mysql.default_password")),
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true,
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131072 // CLIENT_MULTI_RESULTS for CALL
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);
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if ($this->_link) {
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$this->server_info = mysql_get_server_info($this->_link);
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if (function_exists('mysql_set_charset')) {
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mysql_set_charset("utf8", $this->_link);
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} else {
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$this->query("SET NAMES utf8");
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}
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} else {
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$this->error = mysql_error();
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}
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return (bool) $this->_link;
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}
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/** Quote string to use in SQL
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* @param string
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* @return string escaped string enclosed in '
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*/
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function quote($string) {
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return "'" . mysql_real_escape_string($string, $this->_link) . "'";
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}
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/** Select database
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* @param string
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* @return bool
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*/
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function select_db($database) {
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return mysql_select_db($database, $this->_link);
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}
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/** Send query
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* @param string
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* @param bool
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* @return mixed bool or Min_Result
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*/
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function query($query, $unbuffered = false) {
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$result = @($unbuffered ? mysql_unbuffered_query($query, $this->_link) : mysql_query($query, $this->_link)); // @ - mute mysql.trace_mode
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$this->error = "";
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if (!$result) {
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$this->errno = mysql_errno($this->_link);
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$this->error = mysql_error($this->_link);
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return false;
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}
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if ($result === true) {
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$this->affected_rows = mysql_affected_rows($this->_link);
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$this->info = mysql_info($this->_link);
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return true;
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}
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return new Min_Result($result);
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}
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/** Send query with more resultsets
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* @param string
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* @return bool
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*/
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function multi_query($query) {
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return $this->_result = $this->query($query);
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}
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/** Get current resultset
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* @return Min_Result
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*/
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function store_result() {
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return $this->_result;
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}
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/** Fetch next resultset
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* @return bool
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*/
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function next_result() {
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// MySQL extension doesn't support multiple results
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return false;
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}
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/** Get single field from result
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* @param string
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* @param int
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* @return string
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*/
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function result($query, $field = 0) {
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$result = $this->query($query);
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if (!$result || !$result->num_rows) {
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return false;
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}
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return mysql_result($result->_result, 0, $field);
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}
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}
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class Min_Result {
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var
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$num_rows, ///< @var int number of rows in the result
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$_result, $_offset = 0 ///< @access private
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;
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/** Constructor
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* @param resource
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*/
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function Min_Result($result) {
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$this->_result = $result;
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$this->num_rows = mysql_num_rows($result);
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}
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/** Fetch next row as associative array
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* @return array
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*/
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function fetch_assoc() {
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return mysql_fetch_assoc($this->_result);
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}
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/** Fetch next row as numbered array
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* @return array
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*/
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function fetch_row() {
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return mysql_fetch_row($this->_result);
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}
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/** Fetch next field
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* @return object properties: name, type, orgtable, orgname, charsetnr
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*/
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function fetch_field() {
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$return = mysql_fetch_field($this->_result, $this->_offset++); // offset required under certain conditions
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$return->orgtable = $return->table;
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$return->orgname = $return->name;
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$return->charsetnr = ($return->blob ? 63 : 0);
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return $return;
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}
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/** Free result set
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*/
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function __destruct() {
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mysql_free_result($this->_result); //! not called in PHP 4 which is a problem with mysql.trace_mode
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}
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}
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} elseif (extension_loaded("pdo_mysql")) {
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class Min_DB extends Min_PDO {
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var $extension = "PDO_MySQL";
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function connect($server, $username, $password) {
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$this->dsn("mysql:host=" . str_replace(":", ";unix_socket=", preg_replace('~:(\\d)~', ';port=\\1', $server)), $username, $password);
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$this->query("SET NAMES utf8"); // charset in DSN is ignored
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return true;
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}
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function select_db($database) {
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// database selection is separated from the connection so dbname in DSN can't be used
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return $this->query("USE " . idf_escape($database));
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}
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function query($query, $unbuffered = false) {
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$this->setAttribute(1000, !$unbuffered); // 1000 - PDO::MYSQL_ATTR_USE_BUFFERED_QUERY
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return parent::query($query, $unbuffered);
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}
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}
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}
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/** Escape database identifier
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* @param string
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* @return string
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*/
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function idf_escape($idf) {
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return "`" . str_replace("`", "``", $idf) . "`";
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}
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/** Get escaped table name
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* @param string
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* @return string
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*/
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function table($idf) {
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return idf_escape($idf);
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}
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/** Connect to the database
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* @return mixed Min_DB or string for error
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*/
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function connect() {
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global $adminer;
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$connection = new Min_DB;
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$credentials = $adminer->credentials();
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if ($connection->connect($credentials[0], $credentials[1], $credentials[2])) {
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$connection->query("SET sql_quote_show_create = 1, autocommit = 1");
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return $connection;
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}
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$return = $connection->error;
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if (function_exists('iconv') && !is_utf8($return) && strlen($s = iconv("windows-1250", "utf-8", $return)) > strlen($return)) { // windows-1250 - most common Windows encoding
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$return = $s;
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}
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return $return;
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}
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/** Get cached list of databases
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* @param bool
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* @return array
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*/
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function get_databases($flush) {
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global $connection;
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// SHOW DATABASES can take a very long time so it is cached
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$return = get_session("dbs");
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if ($return === null) {
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$query = ($connection->server_info >= 5
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? "SELECT SCHEMA_NAME FROM information_schema.SCHEMATA"
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: "SHOW DATABASES"
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); // SHOW DATABASES can be disabled by skip_show_database
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$return = ($flush ? slow_query($query) : get_vals($query));
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restart_session();
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set_session("dbs", $return);
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stop_session();
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}
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return $return;
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}
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/** Formulate SQL query with limit
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* @param string everything after SELECT
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* @param string including WHERE
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* @param int
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* @param int
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* @param string
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* @return string
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*/
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function limit($query, $where, $limit, $offset = 0, $separator = " ") {
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return " $query$where" . ($limit !== null ? $separator . "LIMIT $limit" . ($offset ? " OFFSET $offset" : "") : "");
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}
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/** Formulate SQL modification query with limit 1
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* @param string everything after UPDATE or DELETE
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* @param string
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* @return string
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*/
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function limit1($query, $where) {
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return limit($query, $where, 1);
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}
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/** Get database collation
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* @param string
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* @param array result of collations()
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* @return string
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*/
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function db_collation($db, $collations) {
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global $connection;
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$return = null;
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$create = $connection->result("SHOW CREATE DATABASE " . idf_escape($db), 1);
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if (preg_match('~ COLLATE ([^ ]+)~', $create, $match)) {
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$return = $match[1];
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} elseif (preg_match('~ CHARACTER SET ([^ ]+)~', $create, $match)) {
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// default collation
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$return = $collations[$match[1]][-1];
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}
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return $return;
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}
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/** Get supported engines
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* @return array
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*/
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function engines() {
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$return = array();
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foreach (get_rows("SHOW ENGINES") as $row) {
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if (ereg("YES|DEFAULT", $row["Support"])) {
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$return[] = $row["Engine"];
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}
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}
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return $return;
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}
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/** Get logged user
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* @return string
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*/
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function logged_user() {
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global $connection;
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return $connection->result("SELECT USER()");
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}
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/** Get tables list
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* @return array array($name => $type)
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*/
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function tables_list() {
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global $connection;
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return get_key_vals("SHOW" . ($connection->server_info >= 5 ? " FULL" : "") . " TABLES");
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}
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/** Count tables in all databases
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* @param array
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* @return array array($db => $tables)
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*/
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function count_tables($databases) {
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$return = array();
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foreach ($databases as $db) {
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$return[$db] = count(get_vals("SHOW TABLES IN " . idf_escape($db)));
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}
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return $return;
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}
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/** Get table status
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* @param string
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* @return array array($name => array("Name" => , "Engine" => , "Comment" => , "Oid" => , "Rows" => , "Collation" => , "Auto_increment" => , "Data_length" => , "Index_length" => , "Data_free" => )) or only inner array with $name
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*/
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function table_status($name = "") {
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$return = array();
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foreach (get_rows("SHOW TABLE STATUS" . ($name != "" ? " LIKE " . q(addcslashes($name, "%_")) : "")) as $row) {
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if ($row["Engine"] == "InnoDB") {
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// ignore internal comment, unnecessary since MySQL 5.1.21
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$row["Comment"] = preg_replace('~(?:(.+); )?InnoDB free: .*~', '\\1', $row["Comment"]);
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}
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if (!isset($row["Rows"])) {
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$row["Comment"] = "";
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}
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if ($name != "") {
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return $row;
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}
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$return[$row["Name"]] = $row;
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}
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return $return;
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}
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/** Find out whether the identifier is view
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* @param array
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* @return bool
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*/
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function is_view($table_status) {
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return !isset($table_status["Rows"]);
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}
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/** Check if table supports foreign keys
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* @param array result of table_status
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* @return bool
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*/
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function fk_support($table_status) {
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return eregi("InnoDB|IBMDB2I", $table_status["Engine"]);
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}
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/** Get information about fields
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* @param string
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* @return array array($name => array("field" => , "full_type" => , "type" => , "length" => , "unsigned" => , "default" => , "null" => , "auto_increment" => , "on_update" => , "collation" => , "privileges" => , "comment" => , "primary" => ))
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*/
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function fields($table) {
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$return = array();
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foreach (get_rows("SHOW FULL COLUMNS FROM " . table($table)) as $row) {
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preg_match('~^([^( ]+)(?:\\((.+)\\))?( unsigned)?( zerofill)?$~', $row["Type"], $match);
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$return[$row["Field"]] = array(
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"field" => $row["Field"],
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"full_type" => $row["Type"],
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"type" => $match[1],
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"length" => $match[2],
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"unsigned" => ltrim($match[3] . $match[4]),
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"default" => ($row["Default"] != "" || ereg("char|set", $match[1]) ? $row["Default"] : null),
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"null" => ($row["Null"] == "YES"),
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"auto_increment" => ($row["Extra"] == "auto_increment"),
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"on_update" => (eregi('^on update (.+)', $row["Extra"], $match) ? $match[1] : ""), //! available since MySQL 5.1.23
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"collation" => $row["Collation"],
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"privileges" => array_flip(explode(",", $row["Privileges"])),
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"comment" => $row["Comment"],
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"primary" => ($row["Key"] == "PRI"),
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);
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}
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return $return;
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}
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/** Get table indexes
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* @param string
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* @param string Min_DB to use
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* @return array array($key_name => array("type" => , "columns" => array(), "lengths" => array()))
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*/
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function indexes($table, $connection2 = null) {
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$return = array();
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foreach (get_rows("SHOW INDEX FROM " . table($table), $connection2) as $row) {
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$return[$row["Key_name"]]["type"] = ($row["Key_name"] == "PRIMARY" ? "PRIMARY" : ($row["Index_type"] == "FULLTEXT" ? "FULLTEXT" : ($row["Non_unique"] ? "INDEX" : "UNIQUE")));
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$return[$row["Key_name"]]["columns"][] = $row["Column_name"];
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$return[$row["Key_name"]]["lengths"][] = $row["Sub_part"];
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}
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return $return;
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}
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|
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/** Get foreign keys in table
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* @param string
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* @return array array($name => array("db" => , "ns" => , "table" => , "source" => array(), "target" => array(), "on_delete" => , "on_update" => ))
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*/
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function foreign_keys($table) {
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global $connection, $on_actions;
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static $pattern = '`(?:[^`]|``)+`';
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$return = array();
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$create_table = $connection->result("SHOW CREATE TABLE " . table($table), 1);
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if ($create_table) {
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preg_match_all("~CONSTRAINT ($pattern) FOREIGN KEY \\(((?:$pattern,? ?)+)\\) REFERENCES ($pattern)(?:\\.($pattern))? \\(((?:$pattern,? ?)+)\\)(?: ON DELETE ($on_actions))?(?: ON UPDATE ($on_actions))?~", $create_table, $matches, PREG_SET_ORDER);
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foreach ($matches as $match) {
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preg_match_all("~$pattern~", $match[2], $source);
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preg_match_all("~$pattern~", $match[5], $target);
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$return[idf_unescape($match[1])] = array(
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"db" => idf_unescape($match[4] != "" ? $match[3] : $match[4]),
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"table" => idf_unescape($match[4] != "" ? $match[4] : $match[3]),
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"source" => array_map('idf_unescape', $source[0]),
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"target" => array_map('idf_unescape', $target[0]),
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"on_delete" => ($match[6] ? $match[6] : "RESTRICT"),
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"on_update" => ($match[7] ? $match[7] : "RESTRICT"),
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);
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}
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}
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return $return;
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}
|
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|
|
/** Get view SELECT
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|
* @param string
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* @return array array("select" => )
|
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*/
|
|
function view($name) {
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global $connection;
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return array("select" => preg_replace('~^(?:[^`]|`[^`]*`)*\\s+AS\\s+~isU', '', $connection->result("SHOW CREATE VIEW " . table($name), 1)));
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}
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|
|
/** Get sorted grouped list of collations
|
|
* @return array
|
|
*/
|
|
function collations() {
|
|
$return = array();
|
|
foreach (get_rows("SHOW COLLATION") as $row) {
|
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if ($row["Default"]) {
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$return[$row["Charset"]][-1] = $row["Collation"];
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} else {
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$return[$row["Charset"]][] = $row["Collation"];
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}
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}
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ksort($return);
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foreach ($return as $key => $val) {
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asort($return[$key]);
|
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}
|
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return $return;
|
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}
|
|
|
|
/** Find out if database is information_schema
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function information_schema($db) {
|
|
global $connection;
|
|
return ($connection->server_info >= 5 && $db == "information_schema")
|
|
|| ($connection->server_info >= 5.5 && $db == "performance_schema");
|
|
}
|
|
|
|
/** Get escaped error message
|
|
* @return string
|
|
*/
|
|
function error() {
|
|
global $connection;
|
|
return h(preg_replace('~^You have an error.*syntax to use~U', "Syntax error", $connection->error));
|
|
}
|
|
|
|
/** Get line of error
|
|
* @return int 0 for first line
|
|
*/
|
|
function error_line() {
|
|
global $connection;
|
|
if (ereg(' at line ([0-9]+)$', $connection->error, $regs)) {
|
|
return $regs[1] - 1;
|
|
}
|
|
}
|
|
|
|
/** Return expression for binary comparison
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function exact_value($val) {
|
|
return q($val) . " COLLATE utf8_bin";
|
|
}
|
|
|
|
/** Create database
|
|
* @param string
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function create_database($db, $collation) {
|
|
set_session("dbs", null);
|
|
return queries("CREATE DATABASE " . idf_escape($db) . ($collation ? " COLLATE " . q($collation) : ""));
|
|
}
|
|
|
|
/** Drop databases
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function drop_databases($databases) {
|
|
restart_session();
|
|
set_session("dbs", null);
|
|
return apply_queries("DROP DATABASE", $databases, 'idf_escape');
|
|
}
|
|
|
|
/** Rename database from DB
|
|
* @param string new name
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function rename_database($name, $collation) {
|
|
if (create_database($name, $collation)) {
|
|
//! move triggers
|
|
$rename = array();
|
|
foreach (tables_list() as $table => $type) {
|
|
$rename[] = table($table) . " TO " . idf_escape($name) . "." . table($table);
|
|
}
|
|
if (!$rename || queries("RENAME TABLE " . implode(", ", $rename))) {
|
|
queries("DROP DATABASE " . idf_escape(DB));
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/** Generate modifier for auto increment column
|
|
* @return string
|
|
*/
|
|
function auto_increment() {
|
|
$auto_increment_index = " PRIMARY KEY";
|
|
// don't overwrite primary key by auto_increment
|
|
if ($_GET["create"] != "" && $_POST["auto_increment_col"]) {
|
|
foreach (indexes($_GET["create"]) as $index) {
|
|
if (in_array($_POST["fields"][$_POST["auto_increment_col"]]["orig"], $index["columns"], true)) {
|
|
$auto_increment_index = "";
|
|
break;
|
|
}
|
|
if ($index["type"] == "PRIMARY") {
|
|
$auto_increment_index = " UNIQUE";
|
|
}
|
|
}
|
|
}
|
|
return " AUTO_INCREMENT$auto_increment_index";
|
|
}
|
|
|
|
/** Run commands to create or alter table
|
|
* @param string "" to create
|
|
* @param string new name
|
|
* @param array of array($orig, $process_field, $after)
|
|
* @param array of strings
|
|
* @param string
|
|
* @param string
|
|
* @param string
|
|
* @param int
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function alter_table($table, $name, $fields, $foreign, $comment, $engine, $collation, $auto_increment, $partitioning) {
|
|
$alter = array();
|
|
foreach ($fields as $field) {
|
|
$alter[] = ($field[1]
|
|
? ($table != "" ? ($field[0] != "" ? "CHANGE " . idf_escape($field[0]) : "ADD") : " ") . " " . implode($field[1]) . ($table != "" ? $field[2] : "")
|
|
: "DROP " . idf_escape($field[0])
|
|
);
|
|
}
|
|
$alter = array_merge($alter, $foreign);
|
|
$status = "COMMENT=" . q($comment)
|
|
. ($engine ? " ENGINE=" . q($engine) : "")
|
|
. ($collation ? " COLLATE " . q($collation) : "")
|
|
. ($auto_increment != "" ? " AUTO_INCREMENT=$auto_increment" : "")
|
|
. $partitioning
|
|
;
|
|
if ($table == "") {
|
|
return queries("CREATE TABLE " . table($name) . " (\n" . implode(",\n", $alter) . "\n) $status");
|
|
}
|
|
if ($table != $name) {
|
|
$alter[] = "RENAME TO " . table($name);
|
|
}
|
|
$alter[] = $status;
|
|
return queries("ALTER TABLE " . table($table) . "\n" . implode(",\n", $alter));
|
|
}
|
|
|
|
/** Run commands to alter indexes
|
|
* @param string escaped table name
|
|
* @param array of array("index type", "name", "(columns definition)") or array("index type", "name", "DROP")
|
|
* @return bool
|
|
*/
|
|
function alter_indexes($table, $alter) {
|
|
foreach ($alter as $key => $val) {
|
|
$alter[$key] = ($val[2] == "DROP"
|
|
? "\nDROP INDEX " . idf_escape($val[1])
|
|
: "\nADD $val[0] " . ($val[0] == "PRIMARY" ? "KEY " : "") . ($val[1] != "" ? idf_escape($val[1]) . " " : "") . $val[2]
|
|
);
|
|
}
|
|
return queries("ALTER TABLE " . table($table) . implode(",", $alter));
|
|
}
|
|
|
|
/** Run commands to truncate tables
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function truncate_tables($tables) {
|
|
return apply_queries("TRUNCATE TABLE", $tables);
|
|
}
|
|
|
|
/** Drop views
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function drop_views($views) {
|
|
return queries("DROP VIEW " . implode(", ", array_map('table', $views)));
|
|
}
|
|
|
|
/** Drop tables
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function drop_tables($tables) {
|
|
return queries("DROP TABLE " . implode(", ", array_map('table', $tables)));
|
|
}
|
|
|
|
/** Move tables to other schema
|
|
* @param array
|
|
* @param array
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function move_tables($tables, $views, $target) {
|
|
$rename = array();
|
|
foreach (array_merge($tables, $views) as $table) { // views will report SQL error
|
|
$rename[] = table($table) . " TO " . idf_escape($target) . "." . table($table);
|
|
}
|
|
return queries("RENAME TABLE " . implode(", ", $rename));
|
|
//! move triggers
|
|
}
|
|
|
|
/** Copy tables to other schema
|
|
* @param array
|
|
* @param array
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function copy_tables($tables, $views, $target) {
|
|
queries("SET sql_mode = 'NO_AUTO_VALUE_ON_ZERO'");
|
|
foreach ($tables as $table) {
|
|
$name = ($target == DB ? table("copy_$table") : idf_escape($target) . "." . table($table));
|
|
if (!queries("DROP TABLE IF EXISTS $name")
|
|
|| !queries("CREATE TABLE $name LIKE " . table($table))
|
|
|| !queries("INSERT INTO $name SELECT * FROM " . table($table))
|
|
) {
|
|
return false;
|
|
}
|
|
}
|
|
foreach ($views as $table) {
|
|
$name = ($target == DB ? table("copy_$table") : idf_escape($target) . "." . table($table));
|
|
$view = view($table);
|
|
if (!queries("DROP VIEW IF EXISTS $name")
|
|
|| !queries("CREATE VIEW $name AS $view[select]") //! USE to avoid db.table
|
|
) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/** Get information about trigger
|
|
* @param string trigger name
|
|
* @return array array("Trigger" => , "Timing" => , "Event" => , "Type" => , "Statement" => )
|
|
*/
|
|
function trigger($name) {
|
|
if ($name == "") {
|
|
return array();
|
|
}
|
|
$rows = get_rows("SHOW TRIGGERS WHERE `Trigger` = " . q($name));
|
|
return reset($rows);
|
|
}
|
|
|
|
/** Get defined triggers
|
|
* @param string
|
|
* @return array array($name => array($timing, $event))
|
|
*/
|
|
function triggers($table) {
|
|
$return = array();
|
|
foreach (get_rows("SHOW TRIGGERS LIKE " . q(addcslashes($table, "%_"))) as $row) {
|
|
$return[$row["Trigger"]] = array($row["Timing"], $row["Event"]);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get trigger options
|
|
* @return array ("Timing" => array(), "Type" => array())
|
|
*/
|
|
function trigger_options() {
|
|
return array(
|
|
"Timing" => array("BEFORE", "AFTER"),
|
|
// Event is always INSERT, UPDATE, DELETE
|
|
"Type" => array("FOR EACH ROW"),
|
|
);
|
|
}
|
|
|
|
/** Get information about stored routine
|
|
* @param string
|
|
* @param string "FUNCTION" or "PROCEDURE"
|
|
* @return array ("fields" => array("field" => , "type" => , "length" => , "unsigned" => , "inout" => , "collation" => ), "returns" => , "definition" => , "language" => )
|
|
*/
|
|
function routine($name, $type) {
|
|
global $connection, $enum_length, $inout, $types;
|
|
$aliases = array("bool", "boolean", "integer", "double precision", "real", "dec", "numeric", "fixed", "national char", "national varchar");
|
|
$type_pattern = "((" . implode("|", array_merge(array_keys($types), $aliases)) . ")\\b(?:\\s*\\(((?:[^'\")]*|$enum_length)+)\\))?\\s*(zerofill\\s*)?(unsigned(?:\\s+zerofill)?)?)(?:\\s*(?:CHARSET|CHARACTER\\s+SET)\\s*['\"]?([^'\"\\s]+)['\"]?)?";
|
|
$pattern = "\\s*(" . ($type == "FUNCTION" ? "" : $inout) . ")?\\s*(?:`((?:[^`]|``)*)`\\s*|\\b(\\S+)\\s+)$type_pattern";
|
|
$create = $connection->result("SHOW CREATE $type " . idf_escape($name), 2);
|
|
preg_match("~\\(((?:$pattern\\s*,?)*)\\)\\s*" . ($type == "FUNCTION" ? "RETURNS\\s+$type_pattern\\s+" : "") . "(.*)~is", $create, $match);
|
|
$fields = array();
|
|
preg_match_all("~$pattern\\s*,?~is", $match[1], $matches, PREG_SET_ORDER);
|
|
foreach ($matches as $param) {
|
|
$name = str_replace("``", "`", $param[2]) . $param[3];
|
|
$fields[] = array(
|
|
"field" => $name,
|
|
"type" => strtolower($param[5]),
|
|
"length" => preg_replace_callback("~$enum_length~s", 'normalize_enum', $param[6]),
|
|
"unsigned" => strtolower(preg_replace('~\\s+~', ' ', trim("$param[8] $param[7]"))),
|
|
"null" => 1,
|
|
"full_type" => $param[4],
|
|
"inout" => strtoupper($param[1]),
|
|
"collation" => strtolower($param[9]),
|
|
);
|
|
}
|
|
if ($type != "FUNCTION") {
|
|
return array("fields" => $fields, "definition" => $match[11]);
|
|
}
|
|
return array(
|
|
"fields" => $fields,
|
|
"returns" => array("type" => $match[12], "length" => $match[13], "unsigned" => $match[15], "collation" => $match[16]),
|
|
"definition" => $match[17],
|
|
"language" => "SQL", // available in information_schema.ROUTINES.PARAMETER_STYLE
|
|
);
|
|
}
|
|
|
|
/** Get list of routines
|
|
* @return array ("ROUTINE_TYPE" => , "ROUTINE_NAME" => , "DTD_IDENTIFIER" => )
|
|
*/
|
|
function routines() {
|
|
return get_rows("SELECT * FROM information_schema.ROUTINES WHERE ROUTINE_SCHEMA = " . q(DB));
|
|
}
|
|
|
|
/** Get list of available routine languages
|
|
* @return array
|
|
*/
|
|
function routine_languages() {
|
|
return array(); // "SQL" not required
|
|
}
|
|
|
|
/** Begin transaction
|
|
* @return bool
|
|
*/
|
|
function begin() {
|
|
return queries("BEGIN");
|
|
}
|
|
|
|
/** Insert data into table
|
|
* @param string
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function insert_into($table, $set) {
|
|
return queries("INSERT INTO " . table($table) . " (" . implode(", ", array_keys($set)) . ")\nVALUES (" . implode(", ", $set) . ")");
|
|
}
|
|
|
|
/** Insert or update data in the table
|
|
* @param string
|
|
* @param array
|
|
* @param array columns in keys
|
|
* @return bool
|
|
*/
|
|
function insert_update($table, $set, $primary) {
|
|
foreach ($set as $key => $val) {
|
|
$set[$key] = "$key = $val";
|
|
}
|
|
$update = implode(", ", $set);
|
|
return queries("INSERT INTO " . table($table) . " SET $update ON DUPLICATE KEY UPDATE $update");
|
|
}
|
|
|
|
/** Get last auto increment ID
|
|
* @return string
|
|
*/
|
|
function last_id() {
|
|
global $connection;
|
|
return $connection->result("SELECT LAST_INSERT_ID()"); // mysql_insert_id() truncates bigint
|
|
}
|
|
|
|
/** Explain select
|
|
* @param Min_DB
|
|
* @param string
|
|
* @return Min_Result
|
|
*/
|
|
function explain($connection, $query) {
|
|
return $connection->query("EXPLAIN " . ($connection->server_info ? "PARTITIONS " : "") . $query);
|
|
}
|
|
|
|
/** Get approximate number of rows
|
|
* @param array
|
|
* @param array
|
|
* @return int or null if approximate number can't be retrieved
|
|
*/
|
|
function found_rows($table_status, $where) {
|
|
return ($where || $table_status["Engine"] != "InnoDB" ? null : $table_status["Rows"]);
|
|
}
|
|
|
|
/** Get user defined types
|
|
* @return array
|
|
*/
|
|
function types() {
|
|
return array();
|
|
}
|
|
|
|
/** Get existing schemas
|
|
* @return array
|
|
*/
|
|
function schemas() {
|
|
return array();
|
|
}
|
|
|
|
/** Get current schema
|
|
* @return string
|
|
*/
|
|
function get_schema() {
|
|
return "";
|
|
}
|
|
|
|
/** Set current schema
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function set_schema($schema) {
|
|
return true;
|
|
}
|
|
|
|
/** Get SQL command to create table
|
|
* @param string
|
|
* @param bool
|
|
* @return string
|
|
*/
|
|
function create_sql($table, $auto_increment) {
|
|
global $connection;
|
|
$return = $connection->result("SHOW CREATE TABLE " . table($table), 1);
|
|
if (!$auto_increment) {
|
|
$return = preg_replace('~ AUTO_INCREMENT=\\d+~', '', $return); //! skip comments
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get SQL command to truncate table
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function truncate_sql($table) {
|
|
return "TRUNCATE " . table($table);
|
|
}
|
|
|
|
/** Get SQL command to change database
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function use_sql($database) {
|
|
return "USE " . idf_escape($database);
|
|
}
|
|
|
|
/** Get SQL commands to create triggers
|
|
* @param string
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function trigger_sql($table, $style) {
|
|
$return = "";
|
|
foreach (get_rows("SHOW TRIGGERS LIKE " . q(addcslashes($table, "%_")), null, "-- ") as $row) {
|
|
$return .= "\n" . ($style == 'CREATE+ALTER' ? "DROP TRIGGER IF EXISTS " . idf_escape($row["Trigger"]) . ";;\n" : "")
|
|
. "CREATE TRIGGER " . idf_escape($row["Trigger"]) . " $row[Timing] $row[Event] ON " . table($row["Table"]) . " FOR EACH ROW\n$row[Statement];;\n";
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get server variables
|
|
* @return array ($name => $value)
|
|
*/
|
|
function show_variables() {
|
|
return get_key_vals("SHOW VARIABLES");
|
|
}
|
|
|
|
/** Get process list
|
|
* @return array ($row)
|
|
*/
|
|
function process_list() {
|
|
return get_rows("SHOW FULL PROCESSLIST");
|
|
}
|
|
|
|
/** Get status variables
|
|
* @return array ($name => $value)
|
|
*/
|
|
function show_status() {
|
|
return get_key_vals("SHOW STATUS");
|
|
}
|
|
|
|
/** Convert field in select and edit
|
|
* @param array one element from fields()
|
|
* @return string
|
|
*/
|
|
function convert_field($field) {
|
|
if (ereg("binary", $field["type"])) {
|
|
return "HEX(" . idf_escape($field["field"]) . ")";
|
|
}
|
|
if (ereg("geometry|point|linestring|polygon", $field["type"])) {
|
|
return "AsWKT(" . idf_escape($field["field"]) . ")";
|
|
}
|
|
}
|
|
|
|
/** Convert value in edit after applying functions back
|
|
* @param array one element from fields()
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function unconvert_field($field, $return) {
|
|
if (ereg("binary", $field["type"])) {
|
|
$return = "UNHEX($return)";
|
|
}
|
|
if (ereg("geometry|point|linestring|polygon", $field["type"])) {
|
|
$return = "GeomFromText($return)";
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Check whether a feature is supported
|
|
* @param string "comment", "copy", "drop_col", "dump", "event", "kill", "partitioning", "privileges", "procedure", "processlist", "routine", "scheme", "sequence", "status", "trigger", "type", "variables", "view"
|
|
* @return bool
|
|
*/
|
|
function support($feature) {
|
|
global $connection;
|
|
return !ereg("scheme|sequence|type" . ($connection->server_info < 5.1 ? "|event|partitioning" . ($connection->server_info < 5 ? "|view|routine|trigger" : "") : ""), $feature);
|
|
}
|
|
|
|
$jush = "sql"; ///< @var string JUSH identifier
|
|
$types = array(); ///< @var array ($type => $maximum_unsigned_length, ...)
|
|
$structured_types = array(); ///< @var array ($description => array($type, ...), ...)
|
|
foreach (array(
|
|
lang('Numbers') => array("tinyint" => 3, "smallint" => 5, "mediumint" => 8, "int" => 10, "bigint" => 20, "decimal" => 66, "float" => 12, "double" => 21),
|
|
lang('Date and time') => array("date" => 10, "datetime" => 19, "timestamp" => 19, "time" => 10, "year" => 4),
|
|
lang('Strings') => array("char" => 255, "varchar" => 65535, "tinytext" => 255, "text" => 65535, "mediumtext" => 16777215, "longtext" => 4294967295),
|
|
lang('Lists') => array("enum" => 65535, "set" => 64),
|
|
lang('Binary') => array("bit" => 20, "binary" => 255, "varbinary" => 65535, "tinyblob" => 255, "blob" => 65535, "mediumblob" => 16777215, "longblob" => 4294967295),
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|
lang('Geometry') => array("geometry" => 0, "point" => 0, "linestring" => 0, "polygon" => 0, "multipoint" => 0, "multilinestring" => 0, "multipolygon" => 0, "geometrycollection" => 0),
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|
) as $key => $val) {
|
|
$types += $val;
|
|
$structured_types[$key] = array_keys($val);
|
|
}
|
|
$unsigned = array("unsigned", "zerofill", "unsigned zerofill"); ///< @var array number variants
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|
$operators = array("=", "<", ">", "<=", ">=", "!=", "LIKE", "LIKE %%", "REGEXP", "IN", "IS NULL", "NOT LIKE", "NOT REGEXP", "NOT IN", "IS NOT NULL", "SQL"); ///< @var array operators used in select
|
|
$functions = array("char_length", "date", "from_unixtime", "lower", "round", "sec_to_time", "time_to_sec", "upper"); ///< @var array functions used in select
|
|
$grouping = array("avg", "count", "count distinct", "group_concat", "max", "min", "sum"); ///< @var array grouping functions used in select
|
|
$edit_functions = array( ///< @var array of array("$type|$type2" => "$function/$function2") functions used in editing, [0] - edit and insert, [1] - edit only
|
|
array(
|
|
"char" => "md5/sha1/password/encrypt/uuid", //! JavaScript for disabling maxlength
|
|
"binary" => "md5/sha1",
|
|
"date|time" => "now",
|
|
), array(
|
|
"(^|[^o])int|float|double|decimal" => "+/-", // not point
|
|
"date" => "+ interval/- interval",
|
|
"time" => "addtime/subtime",
|
|
"char|text" => "concat",
|
|
)
|
|
);
|
|
}
|