1058 lines
33 KiB
PHP
1058 lines
33 KiB
PHP
<?php
|
|
$drivers = array("server" => "MySQL") + $drivers;
|
|
|
|
if (!defined("DRIVER")) {
|
|
$possible_drivers = array("MySQLi", "MySQL", "PDO_MySQL");
|
|
define("DRIVER", "server"); // server - backwards compatibility
|
|
// MySQLi supports everything, MySQL doesn't support multiple result sets, PDO_MySQL doesn't support orgtable
|
|
if (extension_loaded("mysqli")) {
|
|
class Min_DB extends MySQLi {
|
|
var $extension = "MySQLi";
|
|
|
|
function Min_DB() {
|
|
parent::init();
|
|
}
|
|
|
|
function connect($server, $username, $password) {
|
|
mysqli_report(MYSQLI_REPORT_OFF); // stays between requests, not required since PHP 5.3.4
|
|
list($host, $port) = explode(":", $server, 2); // part after : is used for port or socket
|
|
$return = @$this->real_connect(
|
|
($server != "" ? $host : ini_get("mysqli.default_host")),
|
|
($server . $username != "" ? $username : ini_get("mysqli.default_user")),
|
|
($server . $username . $password != "" ? $password : ini_get("mysqli.default_pw")),
|
|
null,
|
|
(is_numeric($port) ? $port : ini_get("mysqli.default_port")),
|
|
(!is_numeric($port) ? $port : null)
|
|
);
|
|
return $return;
|
|
}
|
|
|
|
function set_charset($charset) {
|
|
if (parent::set_charset($charset)) {
|
|
return true;
|
|
}
|
|
// the client library may not support utf8mb4
|
|
parent::set_charset('utf8');
|
|
return $this->query("SET NAMES $charset");
|
|
}
|
|
|
|
function result($query, $field = 0) {
|
|
$result = $this->query($query);
|
|
if (!$result) {
|
|
return false;
|
|
}
|
|
$row = $result->fetch_array();
|
|
return $row[$field];
|
|
}
|
|
|
|
function quote($string) {
|
|
return "'" . $this->escape_string($string) . "'";
|
|
}
|
|
}
|
|
|
|
} elseif (extension_loaded("mysql") && !(ini_get("sql.safe_mode") && extension_loaded("pdo_mysql"))) {
|
|
class Min_DB {
|
|
var
|
|
$extension = "MySQL", ///< @var string extension name
|
|
$server_info, ///< @var string server version
|
|
$affected_rows, ///< @var int number of affected rows
|
|
$errno, ///< @var int last error code
|
|
$error, ///< @var string last error message
|
|
$_link, $_result ///< @access private
|
|
;
|
|
|
|
/** Connect to server
|
|
* @param string
|
|
* @param string
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function connect($server, $username, $password) {
|
|
$this->_link = @mysql_connect(
|
|
($server != "" ? $server : ini_get("mysql.default_host")),
|
|
("$server$username" != "" ? $username : ini_get("mysql.default_user")),
|
|
("$server$username$password" != "" ? $password : ini_get("mysql.default_password")),
|
|
true,
|
|
131072 // CLIENT_MULTI_RESULTS for CALL
|
|
);
|
|
if ($this->_link) {
|
|
$this->server_info = mysql_get_server_info($this->_link);
|
|
} else {
|
|
$this->error = mysql_error();
|
|
}
|
|
return (bool) $this->_link;
|
|
}
|
|
|
|
/** Sets the client character set
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function set_charset($charset) {
|
|
if (function_exists('mysql_set_charset')) {
|
|
if (mysql_set_charset($charset, $this->_link)) {
|
|
return true;
|
|
}
|
|
// the client library may not support utf8mb4
|
|
mysql_set_charset('utf8', $this->_link);
|
|
}
|
|
return $this->query("SET NAMES $charset");
|
|
}
|
|
|
|
/** Quote string to use in SQL
|
|
* @param string
|
|
* @return string escaped string enclosed in '
|
|
*/
|
|
function quote($string) {
|
|
return "'" . mysql_real_escape_string($string, $this->_link) . "'";
|
|
}
|
|
|
|
/** Select database
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function select_db($database) {
|
|
return mysql_select_db($database, $this->_link);
|
|
}
|
|
|
|
/** Send query
|
|
* @param string
|
|
* @param bool
|
|
* @return mixed bool or Min_Result
|
|
*/
|
|
function query($query, $unbuffered = false) {
|
|
$result = @($unbuffered ? mysql_unbuffered_query($query, $this->_link) : mysql_query($query, $this->_link)); // @ - mute mysql.trace_mode
|
|
$this->error = "";
|
|
if (!$result) {
|
|
$this->errno = mysql_errno($this->_link);
|
|
$this->error = mysql_error($this->_link);
|
|
return false;
|
|
}
|
|
if ($result === true) {
|
|
$this->affected_rows = mysql_affected_rows($this->_link);
|
|
$this->info = mysql_info($this->_link);
|
|
return true;
|
|
}
|
|
return new Min_Result($result);
|
|
}
|
|
|
|
/** Send query with more resultsets
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function multi_query($query) {
|
|
return $this->_result = $this->query($query);
|
|
}
|
|
|
|
/** Get current resultset
|
|
* @return Min_Result
|
|
*/
|
|
function store_result() {
|
|
return $this->_result;
|
|
}
|
|
|
|
/** Fetch next resultset
|
|
* @return bool
|
|
*/
|
|
function next_result() {
|
|
// MySQL extension doesn't support multiple results
|
|
return false;
|
|
}
|
|
|
|
/** Get single field from result
|
|
* @param string
|
|
* @param int
|
|
* @return string
|
|
*/
|
|
function result($query, $field = 0) {
|
|
$result = $this->query($query);
|
|
if (!$result || !$result->num_rows) {
|
|
return false;
|
|
}
|
|
return mysql_result($result->_result, 0, $field);
|
|
}
|
|
}
|
|
|
|
class Min_Result {
|
|
var
|
|
$num_rows, ///< @var int number of rows in the result
|
|
$_result, $_offset = 0 ///< @access private
|
|
;
|
|
|
|
/** Constructor
|
|
* @param resource
|
|
*/
|
|
function Min_Result($result) {
|
|
$this->_result = $result;
|
|
$this->num_rows = mysql_num_rows($result);
|
|
}
|
|
|
|
/** Fetch next row as associative array
|
|
* @return array
|
|
*/
|
|
function fetch_assoc() {
|
|
return mysql_fetch_assoc($this->_result);
|
|
}
|
|
|
|
/** Fetch next row as numbered array
|
|
* @return array
|
|
*/
|
|
function fetch_row() {
|
|
return mysql_fetch_row($this->_result);
|
|
}
|
|
|
|
/** Fetch next field
|
|
* @return object properties: name, type, orgtable, orgname, charsetnr
|
|
*/
|
|
function fetch_field() {
|
|
$return = mysql_fetch_field($this->_result, $this->_offset++); // offset required under certain conditions
|
|
$return->orgtable = $return->table;
|
|
$return->orgname = $return->name;
|
|
$return->charsetnr = ($return->blob ? 63 : 0);
|
|
return $return;
|
|
}
|
|
|
|
/** Free result set
|
|
*/
|
|
function __destruct() {
|
|
mysql_free_result($this->_result);
|
|
}
|
|
}
|
|
|
|
} elseif (extension_loaded("pdo_mysql")) {
|
|
class Min_DB extends Min_PDO {
|
|
var $extension = "PDO_MySQL";
|
|
|
|
function connect($server, $username, $password) {
|
|
$this->dsn("mysql:charset=utf8;host=" . str_replace(":", ";unix_socket=", preg_replace('~:(\\d)~', ';port=\\1', $server)), $username, $password);
|
|
return true;
|
|
}
|
|
|
|
function set_charset($charset) {
|
|
$this->query("SET NAMES $charset"); // charset in DSN is ignored before PHP 5.3.6
|
|
}
|
|
|
|
function select_db($database) {
|
|
// database selection is separated from the connection so dbname in DSN can't be used
|
|
return $this->query("USE " . idf_escape($database));
|
|
}
|
|
|
|
function query($query, $unbuffered = false) {
|
|
$this->setAttribute(1000, !$unbuffered); // 1000 - PDO::MYSQL_ATTR_USE_BUFFERED_QUERY
|
|
return parent::query($query, $unbuffered);
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
class Min_Driver extends Min_SQL {
|
|
|
|
function insert($table, $set) {
|
|
return ($set ? parent::insert($table, $set) : queries("INSERT INTO " . table($table) . " ()\nVALUES ()"));
|
|
}
|
|
|
|
function insertUpdate($table, $rows, $primary) {
|
|
$columns = array_keys(reset($rows));
|
|
$prefix = "INSERT INTO " . table($table) . " (" . implode(", ", $columns) . ") VALUES\n";
|
|
$values = array();
|
|
foreach ($columns as $key) {
|
|
$values[$key] = "$key = VALUES($key)";
|
|
}
|
|
$suffix = "\nON DUPLICATE KEY UPDATE " . implode(", ", $values);
|
|
$values = array();
|
|
$length = 0;
|
|
foreach ($rows as $set) {
|
|
$value = "(" . implode(", ", $set) . ")";
|
|
if ($values && (strlen($prefix) + $length + strlen($value) + strlen($suffix) > 1e6)) { // 1e6 - default max_allowed_packet
|
|
if (!queries($prefix . implode(",\n", $values) . $suffix)) {
|
|
return false;
|
|
}
|
|
$values = array();
|
|
$length = 0;
|
|
}
|
|
$values[] = $value;
|
|
$length += strlen($value) + 2; // 2 - strlen(",\n")
|
|
}
|
|
return queries($prefix . implode(",\n", $values) . $suffix);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/** Escape database identifier
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function idf_escape($idf) {
|
|
return "`" . str_replace("`", "``", $idf) . "`";
|
|
}
|
|
|
|
/** Get escaped table name
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function table($idf) {
|
|
return idf_escape($idf);
|
|
}
|
|
|
|
/** Connect to the database
|
|
* @return mixed Min_DB or string for error
|
|
*/
|
|
function connect() {
|
|
global $adminer;
|
|
$connection = new Min_DB;
|
|
$credentials = $adminer->credentials();
|
|
if ($connection->connect($credentials[0], $credentials[1], $credentials[2])) {
|
|
$connection->set_charset(charset($connection)); // available in MySQLi since PHP 5.0.5
|
|
$connection->query("SET sql_quote_show_create = 1, autocommit = 1");
|
|
return $connection;
|
|
}
|
|
$return = $connection->error;
|
|
if (function_exists('iconv') && !is_utf8($return) && strlen($s = iconv("windows-1250", "utf-8", $return)) > strlen($return)) { // windows-1250 - most common Windows encoding
|
|
$return = $s;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get cached list of databases
|
|
* @param bool
|
|
* @return array
|
|
*/
|
|
function get_databases($flush) {
|
|
global $connection;
|
|
// SHOW DATABASES can take a very long time so it is cached
|
|
$return = get_session("dbs");
|
|
if ($return === null) {
|
|
$query = ($connection->server_info >= 5
|
|
? "SELECT SCHEMA_NAME FROM information_schema.SCHEMATA"
|
|
: "SHOW DATABASES"
|
|
); // SHOW DATABASES can be disabled by skip_show_database
|
|
$return = ($flush ? slow_query($query) : get_vals($query));
|
|
restart_session();
|
|
set_session("dbs", $return);
|
|
stop_session();
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Formulate SQL query with limit
|
|
* @param string everything after SELECT
|
|
* @param string including WHERE
|
|
* @param int
|
|
* @param int
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function limit($query, $where, $limit, $offset = 0, $separator = " ") {
|
|
return " $query$where" . ($limit !== null ? $separator . "LIMIT $limit" . ($offset ? " OFFSET $offset" : "") : "");
|
|
}
|
|
|
|
/** Formulate SQL modification query with limit 1
|
|
* @param string everything after UPDATE or DELETE
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function limit1($query, $where) {
|
|
return limit($query, $where, 1);
|
|
}
|
|
|
|
/** Get database collation
|
|
* @param string
|
|
* @param array result of collations()
|
|
* @return string
|
|
*/
|
|
function db_collation($db, $collations) {
|
|
global $connection;
|
|
$return = null;
|
|
$create = $connection->result("SHOW CREATE DATABASE " . idf_escape($db), 1);
|
|
if (preg_match('~ COLLATE ([^ ]+)~', $create, $match)) {
|
|
$return = $match[1];
|
|
} elseif (preg_match('~ CHARACTER SET ([^ ]+)~', $create, $match)) {
|
|
// default collation
|
|
$return = $collations[$match[1]][-1];
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get supported engines
|
|
* @return array
|
|
*/
|
|
function engines() {
|
|
$return = array();
|
|
foreach (get_rows("SHOW ENGINES") as $row) {
|
|
if (preg_match("~YES|DEFAULT~", $row["Support"])) {
|
|
$return[] = $row["Engine"];
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get logged user
|
|
* @return string
|
|
*/
|
|
function logged_user() {
|
|
global $connection;
|
|
return $connection->result("SELECT USER()");
|
|
}
|
|
|
|
/** Get tables list
|
|
* @return array array($name => $type)
|
|
*/
|
|
function tables_list() {
|
|
global $connection;
|
|
return get_key_vals($connection->server_info >= 5
|
|
? "SELECT TABLE_NAME, TABLE_TYPE FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() ORDER BY TABLE_NAME"
|
|
: "SHOW TABLES"
|
|
);
|
|
}
|
|
|
|
/** Count tables in all databases
|
|
* @param array
|
|
* @return array array($db => $tables)
|
|
*/
|
|
function count_tables($databases) {
|
|
$return = array();
|
|
foreach ($databases as $db) {
|
|
$return[$db] = count(get_vals("SHOW TABLES IN " . idf_escape($db)));
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get table status
|
|
* @param string
|
|
* @param bool return only "Name", "Engine" and "Comment" fields
|
|
* @return array array($name => array("Name" => , "Engine" => , "Comment" => , "Oid" => , "Rows" => , "Collation" => , "Auto_increment" => , "Data_length" => , "Index_length" => , "Data_free" => )) or only inner array with $name
|
|
*/
|
|
function table_status($name = "", $fast = false) {
|
|
global $connection;
|
|
$return = array();
|
|
foreach (get_rows($fast && $connection->server_info >= 5
|
|
? "SELECT TABLE_NAME AS Name, Engine, TABLE_COMMENT AS Comment FROM information_schema.TABLES WHERE TABLE_SCHEMA = DATABASE() " . ($name != "" ? "AND TABLE_NAME = " . q($name) : "ORDER BY Name")
|
|
: "SHOW TABLE STATUS" . ($name != "" ? " LIKE " . q(addcslashes($name, "%_\\")) : "")
|
|
) as $row) {
|
|
if ($row["Engine"] == "InnoDB") {
|
|
// ignore internal comment, unnecessary since MySQL 5.1.21
|
|
$row["Comment"] = preg_replace('~(?:(.+); )?InnoDB free: .*~', '\\1', $row["Comment"]);
|
|
}
|
|
if (!isset($row["Engine"])) {
|
|
$row["Comment"] = "";
|
|
}
|
|
if ($name != "") {
|
|
return $row;
|
|
}
|
|
$return[$row["Name"]] = $row;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Find out whether the identifier is view
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function is_view($table_status) {
|
|
return $table_status["Engine"] === null;
|
|
}
|
|
|
|
/** Check if table supports foreign keys
|
|
* @param array result of table_status
|
|
* @return bool
|
|
*/
|
|
function fk_support($table_status) {
|
|
global $connection;
|
|
return preg_match('~InnoDB|IBMDB2I~i', $table_status["Engine"])
|
|
|| (preg_match('~NDB~i', $table_status["Engine"]) && version_compare($connection->server_info, '5.6') >= 0);
|
|
}
|
|
|
|
/** Get information about fields
|
|
* @param string
|
|
* @return array array($name => array("field" => , "full_type" => , "type" => , "length" => , "unsigned" => , "default" => , "null" => , "auto_increment" => , "on_update" => , "collation" => , "privileges" => , "comment" => , "primary" => ))
|
|
*/
|
|
function fields($table) {
|
|
$return = array();
|
|
foreach (get_rows("SHOW FULL COLUMNS FROM " . table($table)) as $row) {
|
|
preg_match('~^([^( ]+)(?:\\((.+)\\))?( unsigned)?( zerofill)?$~', $row["Type"], $match);
|
|
$return[$row["Field"]] = array(
|
|
"field" => $row["Field"],
|
|
"full_type" => $row["Type"],
|
|
"type" => $match[1],
|
|
"length" => $match[2],
|
|
"unsigned" => ltrim($match[3] . $match[4]),
|
|
"default" => ($row["Default"] != "" || preg_match("~char|set~", $match[1]) ? $row["Default"] : null),
|
|
"null" => ($row["Null"] == "YES"),
|
|
"auto_increment" => ($row["Extra"] == "auto_increment"),
|
|
"on_update" => (preg_match('~^on update (.+)~i', $row["Extra"], $match) ? $match[1] : ""), //! available since MySQL 5.1.23
|
|
"collation" => $row["Collation"],
|
|
"privileges" => array_flip(preg_split('~, *~', $row["Privileges"])),
|
|
"comment" => $row["Comment"],
|
|
"primary" => ($row["Key"] == "PRI"),
|
|
);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get table indexes
|
|
* @param string
|
|
* @param string Min_DB to use
|
|
* @return array array($key_name => array("type" => , "columns" => array(), "lengths" => array(), "descs" => array()))
|
|
*/
|
|
function indexes($table, $connection2 = null) {
|
|
$return = array();
|
|
foreach (get_rows("SHOW INDEX FROM " . table($table), $connection2) as $row) {
|
|
$return[$row["Key_name"]]["type"] = ($row["Key_name"] == "PRIMARY" ? "PRIMARY" : ($row["Index_type"] == "FULLTEXT" ? "FULLTEXT" : ($row["Non_unique"] ? "INDEX" : "UNIQUE")));
|
|
$return[$row["Key_name"]]["columns"][] = $row["Column_name"];
|
|
$return[$row["Key_name"]]["lengths"][] = $row["Sub_part"];
|
|
$return[$row["Key_name"]]["descs"][] = null;
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get foreign keys in table
|
|
* @param string
|
|
* @return array array($name => array("db" => , "ns" => , "table" => , "source" => array(), "target" => array(), "on_delete" => , "on_update" => ))
|
|
*/
|
|
function foreign_keys($table) {
|
|
global $connection, $on_actions;
|
|
static $pattern = '`(?:[^`]|``)+`';
|
|
$return = array();
|
|
$create_table = $connection->result("SHOW CREATE TABLE " . table($table), 1);
|
|
if ($create_table) {
|
|
preg_match_all("~CONSTRAINT ($pattern) FOREIGN KEY ?\\(((?:$pattern,? ?)+)\\) REFERENCES ($pattern)(?:\\.($pattern))? \\(((?:$pattern,? ?)+)\\)(?: ON DELETE ($on_actions))?(?: ON UPDATE ($on_actions))?~", $create_table, $matches, PREG_SET_ORDER);
|
|
foreach ($matches as $match) {
|
|
preg_match_all("~$pattern~", $match[2], $source);
|
|
preg_match_all("~$pattern~", $match[5], $target);
|
|
$return[idf_unescape($match[1])] = array(
|
|
"db" => idf_unescape($match[4] != "" ? $match[3] : $match[4]),
|
|
"table" => idf_unescape($match[4] != "" ? $match[4] : $match[3]),
|
|
"source" => array_map('idf_unescape', $source[0]),
|
|
"target" => array_map('idf_unescape', $target[0]),
|
|
"on_delete" => ($match[6] ? $match[6] : "RESTRICT"),
|
|
"on_update" => ($match[7] ? $match[7] : "RESTRICT"),
|
|
);
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Get view SELECT
|
|
* @param string
|
|
* @return array array("select" => )
|
|
*/
|
|
function view($name) {
|
|
global $connection;
|
|
return array("select" => preg_replace('~^(?:[^`]|`[^`]*`)*\\s+AS\\s+~isU', '', $connection->result("SHOW CREATE VIEW " . table($name), 1)));
|
|
}
|
|
|
|
/** Get sorted grouped list of collations
|
|
* @return array
|
|
*/
|
|
function collations() {
|
|
$return = array();
|
|
foreach (get_rows("SHOW COLLATION") as $row) {
|
|
if ($row["Default"]) {
|
|
$return[$row["Charset"]][-1] = $row["Collation"];
|
|
} else {
|
|
$return[$row["Charset"]][] = $row["Collation"];
|
|
}
|
|
}
|
|
ksort($return);
|
|
foreach ($return as $key => $val) {
|
|
asort($return[$key]);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Find out if database is information_schema
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function information_schema($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 $connection;
|
|
if (preg_match('~ at line ([0-9]+)$~', $connection->error, $regs)) {
|
|
return $regs[1] - 1;
|
|
}
|
|
}
|
|
|
|
/** Create database
|
|
* @param string
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
function create_database($db, $collation) {
|
|
return queries("CREATE DATABASE " . idf_escape($db) . ($collation ? " COLLATE " . q($collation) : ""));
|
|
}
|
|
|
|
/** Drop databases
|
|
* @param array
|
|
* @return bool
|
|
*/
|
|
function drop_databases($databases) {
|
|
$return = apply_queries("DROP DATABASE", $databases, 'idf_escape');
|
|
restart_session();
|
|
set_session("dbs", null);
|
|
return $return;
|
|
}
|
|
|
|
/** Rename database from DB
|
|
* @param string new name
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function rename_database($name, $collation) {
|
|
$return = false;
|
|
if (create_database($name, $collation)) {
|
|
//! move triggers
|
|
$rename = array();
|
|
foreach (tables_list() as $table => $type) {
|
|
$rename[] = table($table) . " TO " . idf_escape($name) . "." . table($table);
|
|
}
|
|
$return = (!$rename || queries("RENAME TABLE " . implode(", ", $rename)));
|
|
if ($return) {
|
|
queries("DROP DATABASE " . idf_escape(DB));
|
|
}
|
|
restart_session();
|
|
set_session("dbs", null);
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** 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, $after)
|
|
* @param array of strings
|
|
* @param string
|
|
* @param string
|
|
* @param string
|
|
* @param string number
|
|
* @param string
|
|
* @return bool
|
|
*/
|
|
function alter_table($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 !== null ? " COMMENT=" . q($comment) : "")
|
|
. ($engine ? " ENGINE=" . q($engine) : "")
|
|
. ($collation ? " COLLATE " . q($collation) : "")
|
|
. ($auto_increment != "" ? " AUTO_INCREMENT=$auto_increment" : "")
|
|
;
|
|
if ($table == "") {
|
|
return queries("CREATE TABLE " . table($name) . " (\n" . implode(",\n", $alter) . "\n)$status$partitioning");
|
|
}
|
|
if ($table != $name) {
|
|
$alter[] = "RENAME TO " . table($name);
|
|
}
|
|
if ($status) {
|
|
$alter[] = ltrim($status);
|
|
}
|
|
return ($alter || $partitioning ? queries("ALTER TABLE " . table($table) . "\n" . implode(",\n", $alter) . $partitioning) : true);
|
|
}
|
|
|
|
/** Run commands to alter indexes
|
|
* @param string escaped table name
|
|
* @param array of array("index type", "name", array("column definition", ...)) or array("index type", "name", "DROP")
|
|
* @return bool
|
|
*/
|
|
function alter_indexes($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]) . " " : "") . "(" . implode(", ", $val[2]) . ")"
|
|
);
|
|
}
|
|
return queries("ALTER TABLE " . table($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("\nDROP 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 $view[select]") //! USE to avoid db.table
|
|
) {
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/** Get information about trigger
|
|
* @param string trigger name
|
|
* @return array array("Trigger" => , "Timing" => , "Event" => , "Of" => , "Type" => , "Statement" => )
|
|
*/
|
|
function trigger($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 $return;
|
|
}
|
|
|
|
/** Get trigger options
|
|
* @return array ("Timing" => array(), "Event" => array(), "Type" => array())
|
|
*/
|
|
function trigger_options() {
|
|
return array(
|
|
"Timing" => array("BEFORE", "AFTER"),
|
|
"Event" => array("INSERT", "UPDATE", "DELETE"),
|
|
"Type" => array("FOR EACH ROW"),
|
|
);
|
|
}
|
|
|
|
/** Get information about stored routine
|
|
* @param string
|
|
* @param string "FUNCTION" or "PROCEDURE"
|
|
* @return array ("fields" => array("field" => , "type" => , "length" => , "unsigned" => , "inout" => , "collation" => ), "returns" => , "definition" => , "language" => )
|
|
*/
|
|
function routine($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 ROUTINE_NAME, ROUTINE_TYPE, DTD_IDENTIFIER 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
|
|
}
|
|
|
|
/** 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 >= 5.1 ? "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 (preg_match("~binary~", $field["type"])) {
|
|
return "HEX(" . idf_escape($field["field"]) . ")";
|
|
}
|
|
if ($field["type"] == "bit") {
|
|
return "BIN(" . idf_escape($field["field"]) . " + 0)"; // + 0 is required outside MySQLnd
|
|
}
|
|
if (preg_match("~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 (preg_match("~binary~", $field["type"])) {
|
|
$return = "UNHEX($return)";
|
|
}
|
|
if ($field["type"] == "bit") {
|
|
$return = "CONV($return, 2, 10) + 0";
|
|
}
|
|
if (preg_match("~geometry|point|linestring|polygon~", $field["type"])) {
|
|
$return = "GeomFromText($return)";
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/** Check whether a feature is supported
|
|
* @param string "comment", "copy", "database", "drop_col", "dump", "event", "kill", "materializedview", "partitioning", "privileges", "procedure", "processlist", "routine", "scheme", "sequence", "status", "table", "trigger", "type", "variables", "view", "view_trigger"
|
|
* @return bool
|
|
*/
|
|
function support($feature) {
|
|
global $connection;
|
|
return !preg_match("~scheme|sequence|type|view_trigger" . ($connection->server_info < 5.1 ? "|event|partitioning" . ($connection->server_info < 5 ? "|routine|trigger|view" : "") : "") . "~", $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),
|
|
lang('Geometry') => array("geometry" => 0, "point" => 0, "linestring" => 0, "polygon" => 0, "multipoint" => 0, "multilinestring" => 0, "multipolygon" => 0, "geometrycollection" => 0),
|
|
) as $key => $val) {
|
|
$types += $val;
|
|
$structured_types[$key] = array_keys($val);
|
|
}
|
|
$unsigned = array("unsigned", "zerofill", "unsigned zerofill"); ///< @var array number variants
|
|
$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",
|
|
)
|
|
);
|
|
}
|