mirror of
https://github.com/cytopia/devilbox.git
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2514 lines
88 KiB
PHP
2514 lines
88 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Holds the Table class
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*
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* @package PhpMyAdmin
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*/
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namespace PMA\libraries;
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use PMA\libraries\plugins\export\ExportSql;
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use PhpMyAdmin\SqlParser\Components\Expression;
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use PhpMyAdmin\SqlParser\Components\OptionsArray;
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use PhpMyAdmin\SqlParser\Context;
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use PhpMyAdmin\SqlParser\Parser;
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use PhpMyAdmin\SqlParser\Statements\DropStatement;
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/**
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* Handles everything related to tables
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*
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* @todo make use of Message and Error
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* @package PhpMyAdmin
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*/
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class Table
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{
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/**
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* UI preferences properties
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*/
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const PROP_SORTED_COLUMN = 'sorted_col';
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const PROP_COLUMN_ORDER = 'col_order';
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const PROP_COLUMN_VISIB = 'col_visib';
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/**
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* @var string engine (innodb, myisam, bdb, ...)
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*/
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var $engine = '';
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/**
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* @var string type (view, base table, system view)
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*/
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var $type = '';
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/**
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* @var array UI preferences
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*/
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var $uiprefs;
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/**
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* @var array errors occurred
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*/
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var $errors = array();
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/**
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* @var array messages
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*/
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var $messages = array();
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/**
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* @var string table name
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*/
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protected $_name = '';
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/**
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* @var string database name
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*/
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protected $_db_name = '';
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/**
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* @var DatabaseInterface
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*/
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protected $_dbi;
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/**
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* Constructor
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*
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* @param string $table_name table name
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* @param string $db_name database name
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* @param DatabaseInterface $dbi database interface for the table
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*/
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public function __construct($table_name, $db_name, DatabaseInterface $dbi = null)
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{
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if (empty($dbi)) {
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$dbi = $GLOBALS['dbi'];
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}
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$this->_dbi = $dbi;
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$this->_name = $table_name;
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$this->_db_name = $db_name;
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}
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/**
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* returns table name
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*
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* @see Table::getName()
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* @return string table name
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*/
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public function __toString()
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{
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return $this->getName();
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}
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/**
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* return the last error
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*
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* @return string the last error
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*/
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public function getLastError()
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{
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return end($this->errors);
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}
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/**
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* return the last message
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*
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* @return string the last message
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*/
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public function getLastMessage()
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{
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return end($this->messages);
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}
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/**
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* returns table name
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*
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* @param boolean $backquoted whether to quote name with backticks ``
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*
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* @return string table name
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*/
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public function getName($backquoted = false)
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{
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if ($backquoted) {
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return Util::backquote($this->_name);
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}
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return $this->_name;
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}
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/**
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* returns database name for this table
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*
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* @param boolean $backquoted whether to quote name with backticks ``
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*
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* @return string database name for this table
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*/
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public function getDbName($backquoted = false)
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{
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if ($backquoted) {
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return Util::backquote($this->_db_name);
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}
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return $this->_db_name;
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}
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/**
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* returns full name for table, including database name
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*
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* @param boolean $backquoted whether to quote name with backticks ``
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*
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* @return string
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*/
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public function getFullName($backquoted = false)
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{
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return $this->getDbName($backquoted) . '.'
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. $this->getName($backquoted);
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}
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/**
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* Checks the storage engine used to create table
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*
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* @param array or string $engine Checks the table engine against an
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* array of engine strings or a single string, should be uppercase
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*
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* @return bool True, if $engine matches the storage engine for the table,
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* False otherwise.
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*/
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public function isEngine($engine)
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{
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$tbl_storage_engine = strtoupper(
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$this->getStatusInfo('ENGINE', null, true)
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);
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if (is_array($engine)){
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foreach($engine as $e){
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if($e == $tbl_storage_engine){
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return true;
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}
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}
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return false;
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}else{
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return $tbl_storage_engine == $engine;
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}
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}
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/**
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* returns whether the table is actually a view
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*
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* @return boolean whether the given is a view
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*/
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public function isView()
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{
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$db = $this->_db_name;
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$table = $this->_name;
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if (empty($db) || empty($table)) {
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return false;
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}
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// use cached data or load information with SHOW command
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if ($this->_dbi->getCachedTableContent(array($db, $table)) != null
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|| $GLOBALS['cfg']['Server']['DisableIS']
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) {
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$type = $this->getStatusInfo('TABLE_TYPE');
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return $type == 'VIEW' || $type == 'SYSTEM VIEW';
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}
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// information_schema tables are 'SYSTEM VIEW's
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if ($db == 'information_schema') {
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return true;
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}
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// query information_schema
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$result = $this->_dbi->fetchResult(
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"SELECT TABLE_NAME
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FROM information_schema.VIEWS
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WHERE TABLE_SCHEMA = '" . $GLOBALS['dbi']->escapeString($db) . "'
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AND TABLE_NAME = '" . $GLOBALS['dbi']->escapeString($table) . "'"
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);
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return $result ? true : false;
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}
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/**
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* Returns whether the table is actually an updatable view
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*
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* @return boolean whether the given is an updatable view
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*/
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public function isUpdatableView()
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{
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if (empty($this->_db_name) || empty($this->_name)) {
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return false;
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}
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$result = $this->_dbi->fetchResult(
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"SELECT TABLE_NAME
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FROM information_schema.VIEWS
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WHERE TABLE_SCHEMA = '" . $GLOBALS['dbi']->escapeString($this->_db_name) . "'
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AND TABLE_NAME = '" . $GLOBALS['dbi']->escapeString($this->_name) . "'
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AND IS_UPDATABLE = 'YES'"
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);
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return $result ? true : false;
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}
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/**
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* Checks if this is a merge table
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*
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* If the ENGINE of the table is MERGE or MRG_MYISAM (alias),
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* this is a merge table.
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*
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* @return boolean true if it is a merge table
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*/
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public function isMerge()
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{
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return $this->isEngine(array('MERGE', 'MRG_MYISAM'));
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}
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/**
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* Returns full table status info, or specific if $info provided
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* this info is collected from information_schema
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*
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* @param string $info specific information to be fetched
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* @param boolean $force_read read new rather than serving from cache
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* @param boolean $disable_error if true, disables error message
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*
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* @todo DatabaseInterface::getTablesFull needs to be merged
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* somehow into this class or at least better documented
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*
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* @return mixed
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*/
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public function getStatusInfo(
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$info = null,
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$force_read = false,
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$disable_error = false
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) {
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$db = $this->_db_name;
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$table = $this->_name;
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if (! empty($_SESSION['is_multi_query'])) {
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$disable_error = true;
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}
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// sometimes there is only one entry (ExactRows) so
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// we have to get the table's details
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if ($this->_dbi->getCachedTableContent(array($db, $table)) == null
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|| $force_read
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|| count($this->_dbi->getCachedTableContent(array($db, $table))) == 1
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) {
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$this->_dbi->getTablesFull($db, $table);
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}
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if ($this->_dbi->getCachedTableContent(array($db, $table)) == null) {
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// happens when we enter the table creation dialog
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// or when we really did not get any status info, for example
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// when $table == 'TABLE_NAMES' after the user tried SHOW TABLES
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return '';
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}
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if (null === $info) {
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return $this->_dbi->getCachedTableContent(array($db, $table));
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}
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// array_key_exists allows for null values
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if (!array_key_exists(
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$info, $this->_dbi->getCachedTableContent(array($db, $table))
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)
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) {
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if (! $disable_error) {
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trigger_error(
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__('Unknown table status:') . ' ' . $info,
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E_USER_WARNING
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);
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}
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return false;
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}
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return $this->_dbi->getCachedTableContent(array($db, $table, $info));
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}
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/**
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* generates column specification for ALTER or CREATE TABLE syntax
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*
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* @param string $name name
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* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
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* @param string $length length ('2', '5,2', '', ...)
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* @param string $attribute attribute
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* @param string $collation collation
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* @param bool|string $null with 'NULL' or 'NOT NULL'
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* @param string $default_type whether default is CURRENT_TIMESTAMP,
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* NULL, NONE, USER_DEFINED
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* @param string $default_value default value for USER_DEFINED
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* default type
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* @param string $extra 'AUTO_INCREMENT'
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* @param string $comment field comment
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* @param string $virtuality virtuality of the column
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* @param string $expression expression for the virtual column
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* @param string $move_to new position for column
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*
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* @todo move into class PMA_Column
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* @todo on the interface, some js to clear the default value when the
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* default current_timestamp is checked
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*
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* @return string field specification
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*/
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static function generateFieldSpec($name, $type, $length = '',
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$attribute = '', $collation = '', $null = false,
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$default_type = 'USER_DEFINED', $default_value = '', $extra = '',
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$comment = '', $virtuality = '', $expression = '', $move_to = ''
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) {
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$is_timestamp = mb_strpos(
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mb_strtoupper($type),
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'TIMESTAMP'
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) !== false;
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$query = Util::backquote($name) . ' ' . $type;
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// allow the possibility of a length for TIME, DATETIME and TIMESTAMP
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// (will work on MySQL >= 5.6.4)
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//
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// MySQL permits a non-standard syntax for FLOAT and DOUBLE,
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// see https://dev.mysql.com/doc/refman/5.5/en/floating-point-types.html
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//
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$pattern = '@^(DATE|TINYBLOB|TINYTEXT|BLOB|TEXT|'
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. 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID)$@i';
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if (strlen($length) !== 0 && ! preg_match($pattern, $type)) {
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// Note: The variable $length here can contain several other things
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// besides length - ENUM/SET value or length of DECIMAL (eg. 12,3)
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// so we can't just convert it to integer
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$query .= '(' . $length . ')';
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}
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if ($attribute != '') {
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$query .= ' ' . $attribute;
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if ($is_timestamp
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&& preg_match('/TIMESTAMP/i', $attribute)
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&& strlen($length) !== 0
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&& $length !== 0
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) {
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$query .= '(' . $length . ')';
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}
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}
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if ($virtuality) {
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$query .= ' AS (' . $expression . ') ' . $virtuality;
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} else {
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$matches = preg_match(
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'@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i',
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$type
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);
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if (! empty($collation) && $collation != 'NULL' && $matches) {
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$query .= Util::getCharsetQueryPart($collation, true);
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}
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if ($null !== false) {
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if ($null == 'NULL') {
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$query .= ' NULL';
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} else {
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$query .= ' NOT NULL';
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}
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}
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switch ($default_type) {
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case 'USER_DEFINED' :
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if ($is_timestamp && $default_value === '0') {
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// a TIMESTAMP does not accept DEFAULT '0'
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// but DEFAULT 0 works
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$query .= ' DEFAULT 0';
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} elseif ($type == 'BIT') {
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$query .= ' DEFAULT b\''
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. preg_replace('/[^01]/', '0', $default_value)
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. '\'';
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} elseif ($type == 'BOOLEAN') {
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if (preg_match('/^1|T|TRUE|YES$/i', $default_value)) {
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$query .= ' DEFAULT TRUE';
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} elseif (preg_match('/^0|F|FALSE|NO$/i', $default_value)) {
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$query .= ' DEFAULT FALSE';
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} else {
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// Invalid BOOLEAN value
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$query .= ' DEFAULT \''
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. $GLOBALS['dbi']->escapeString($default_value) . '\'';
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}
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} elseif ($type == 'BINARY' || $type == 'VARBINARY') {
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$query .= ' DEFAULT 0x' . $default_value;
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} else {
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$query .= ' DEFAULT \''
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. $GLOBALS['dbi']->escapeString($default_value) . '\'';
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}
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break;
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/** @noinspection PhpMissingBreakStatementInspection */
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case 'NULL' :
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// If user uncheck null checkbox and not change default value null,
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// default value will be ignored.
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if ($null !== false && $null !== 'NULL') {
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break;
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}
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// else fall-through intended, no break here
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case 'CURRENT_TIMESTAMP' :
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$query .= ' DEFAULT ' . $default_type;
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if (strlen($length) !== 0
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&& $length !== 0
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&& $is_timestamp
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&& $default_type !== 'NULL' // Not to be added in case of NULL
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) {
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$query .= '(' . $length . ')';
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}
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break;
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case 'NONE' :
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default :
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break;
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}
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if (!empty($extra)) {
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$query .= ' ' . $extra;
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}
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}
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if (!empty($comment)) {
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$query .= " COMMENT '" . $GLOBALS['dbi']->escapeString($comment) . "'";
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}
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// move column
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if ($move_to == '-first') { // dash can't appear as part of column name
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$query .= ' FIRST';
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} elseif ($move_to != '') {
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$query .= ' AFTER ' . Util::backquote($move_to);
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}
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return $query;
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} // end function
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|
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/**
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* Checks if the number of records in a table is at least equal to
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* $min_records
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*
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* @param int $min_records Number of records to check for in a table
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*
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* @return bool True, if at least $min_records exist, False otherwise.
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*/
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public function checkIfMinRecordsExist($min_records = 0)
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{
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$check_query = 'SELECT ';
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$fieldsToSelect = '';
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$uniqueFields = $this->getUniqueColumns(true, false);
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if (count($uniqueFields) > 0) {
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$fieldsToSelect = implode(', ', $uniqueFields);
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} else {
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$indexedCols = $this->getIndexedColumns(true, false);
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if (count($indexedCols) > 0) {
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$fieldsToSelect = implode(', ', $indexedCols);
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} else {
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$fieldsToSelect = '*';
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}
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}
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|
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$check_query .= $fieldsToSelect
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. ' FROM ' . $this->getFullName(true)
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. ' LIMIT ' . $min_records;
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$res = $GLOBALS['dbi']->tryQuery(
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$check_query
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);
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if ($res !== false) {
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$num_records = $GLOBALS['dbi']->numRows($res);
|
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if ($num_records >= $min_records) {
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return true;
|
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}
|
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}
|
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|
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return false;
|
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}
|
|
|
|
/**
|
|
* Counts and returns (or displays) the number of records in a table
|
|
*
|
|
* @param bool $force_exact whether to force an exact count
|
|
*
|
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* @return mixed the number of records if "retain" param is true,
|
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* otherwise true
|
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*/
|
|
public function countRecords($force_exact = false)
|
|
{
|
|
$is_view = $this->isView();
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$db = $this->_db_name;
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$table = $this->_name;
|
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|
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if ($this->_dbi->getCachedTableContent(array($db, $table, 'ExactRows')) != null) {
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$row_count = $this->_dbi->getCachedTableContent(
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array($db, $table, 'ExactRows')
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);
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return $row_count;
|
|
}
|
|
$row_count = false;
|
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|
|
if (! $force_exact) {
|
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if (($this->_dbi->getCachedTableContent(array($db, $table, 'Rows')) == null)
|
|
&& !$is_view
|
|
) {
|
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$tmp_tables = $this->_dbi->getTablesFull($db, $table);
|
|
if (isset($tmp_tables[$table])) {
|
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$this->_dbi->cacheTableContent(
|
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array($db, $table),
|
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$tmp_tables[$table]
|
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);
|
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}
|
|
}
|
|
if ($this->_dbi->getCachedTableContent(array($db, $table, 'Rows')) != null) {
|
|
$row_count = $this->_dbi->getCachedTableContent(
|
|
array($db, $table, 'Rows')
|
|
);
|
|
} else {
|
|
$row_count = false;
|
|
}
|
|
}
|
|
// for a VIEW, $row_count is always false at this point
|
|
if (false !== $row_count
|
|
&& $row_count >= $GLOBALS['cfg']['MaxExactCount']
|
|
) {
|
|
return $row_count;
|
|
}
|
|
|
|
if (! $is_view) {
|
|
$row_count = $this->_dbi->fetchValue(
|
|
'SELECT COUNT(*) FROM ' . Util::backquote($db) . '.'
|
|
. Util::backquote($table)
|
|
);
|
|
} else {
|
|
// For complex views, even trying to get a partial record
|
|
// count could bring down a server, so we offer an
|
|
// alternative: setting MaxExactCountViews to 0 will bypass
|
|
// completely the record counting for views
|
|
|
|
if ($GLOBALS['cfg']['MaxExactCountViews'] == 0) {
|
|
$row_count = false;
|
|
} else {
|
|
// Counting all rows of a VIEW could be too long,
|
|
// so use a LIMIT clause.
|
|
// Use try_query because it can fail (when a VIEW is
|
|
// based on a table that no longer exists)
|
|
$result = $this->_dbi->tryQuery(
|
|
'SELECT 1 FROM ' . Util::backquote($db) . '.'
|
|
. Util::backquote($table) . ' LIMIT '
|
|
. $GLOBALS['cfg']['MaxExactCountViews'],
|
|
null,
|
|
DatabaseInterface::QUERY_STORE
|
|
);
|
|
if (!$this->_dbi->getError()) {
|
|
$row_count = $this->_dbi->numRows($result);
|
|
$this->_dbi->freeResult($result);
|
|
}
|
|
}
|
|
}
|
|
if ($row_count) {
|
|
$this->_dbi->cacheTableContent(array($db, $table, 'ExactRows'), $row_count);
|
|
}
|
|
|
|
return $row_count;
|
|
} // end of the 'Table::countRecords()' function
|
|
|
|
/**
|
|
* Generates column specification for ALTER syntax
|
|
*
|
|
* @param string $oldcol old column name
|
|
* @param string $newcol new column name
|
|
* @param string $type type ('INT', 'VARCHAR', 'BIT', ...)
|
|
* @param string $length length ('2', '5,2', '', ...)
|
|
* @param string $attribute attribute
|
|
* @param string $collation collation
|
|
* @param bool|string $null with 'NULL' or 'NOT NULL'
|
|
* @param string $default_type whether default is CURRENT_TIMESTAMP,
|
|
* NULL, NONE, USER_DEFINED
|
|
* @param string $default_value default value for USER_DEFINED default
|
|
* type
|
|
* @param string $extra 'AUTO_INCREMENT'
|
|
* @param string $comment field comment
|
|
* @param string $virtuality virtuality of the column
|
|
* @param string $expression expression for the virtual column
|
|
* @param string $move_to new position for column
|
|
*
|
|
* @see Table::generateFieldSpec()
|
|
*
|
|
* @return string field specification
|
|
*/
|
|
static public function generateAlter($oldcol, $newcol, $type, $length,
|
|
$attribute, $collation, $null, $default_type, $default_value,
|
|
$extra, $comment, $virtuality, $expression, $move_to
|
|
) {
|
|
return Util::backquote($oldcol) . ' '
|
|
. Table::generateFieldSpec(
|
|
$newcol, $type, $length, $attribute,
|
|
$collation, $null, $default_type, $default_value, $extra,
|
|
$comment, $virtuality, $expression, $move_to
|
|
);
|
|
} // end function
|
|
|
|
/**
|
|
* Inserts existing entries in a PMA_* table by reading a value from an old
|
|
* entry
|
|
*
|
|
* @param string $work The array index, which Relation feature to
|
|
* check ('relwork', 'commwork', ...)
|
|
* @param string $pma_table The array index, which PMA-table to update
|
|
* ('bookmark', 'relation', ...)
|
|
* @param array $get_fields Which fields will be SELECT'ed from the old entry
|
|
* @param array $where_fields Which fields will be used for the WHERE query
|
|
* (array('FIELDNAME' => 'FIELDVALUE'))
|
|
* @param array $new_fields Which fields will be used as new VALUES.
|
|
* These are the important keys which differ
|
|
* from the old entry
|
|
* (array('FIELDNAME' => 'NEW FIELDVALUE'))
|
|
*
|
|
* @global relation variable
|
|
*
|
|
* @return int|boolean
|
|
*/
|
|
static public function duplicateInfo($work, $pma_table, $get_fields,
|
|
$where_fields, $new_fields
|
|
) {
|
|
$last_id = -1;
|
|
|
|
if (!isset($GLOBALS['cfgRelation']) || !$GLOBALS['cfgRelation'][$work]) {
|
|
return true;
|
|
}
|
|
|
|
$select_parts = array();
|
|
$row_fields = array();
|
|
foreach ($get_fields as $get_field) {
|
|
$select_parts[] = Util::backquote($get_field);
|
|
$row_fields[$get_field] = 'cc';
|
|
}
|
|
|
|
$where_parts = array();
|
|
foreach ($where_fields as $_where => $_value) {
|
|
$where_parts[] = Util::backquote($_where) . ' = \''
|
|
. $GLOBALS['dbi']->escapeString($_value) . '\'';
|
|
}
|
|
|
|
$new_parts = array();
|
|
$new_value_parts = array();
|
|
foreach ($new_fields as $_where => $_value) {
|
|
$new_parts[] = Util::backquote($_where);
|
|
$new_value_parts[] = $GLOBALS['dbi']->escapeString($_value);
|
|
}
|
|
|
|
$table_copy_query = '
|
|
SELECT ' . implode(', ', $select_parts) . '
|
|
FROM ' . Util::backquote($GLOBALS['cfgRelation']['db']) . '.'
|
|
. Util::backquote($GLOBALS['cfgRelation'][$pma_table]) . '
|
|
WHERE ' . implode(' AND ', $where_parts);
|
|
|
|
// must use DatabaseInterface::QUERY_STORE here, since we execute
|
|
// another query inside the loop
|
|
$table_copy_rs = PMA_queryAsControlUser(
|
|
$table_copy_query, true, DatabaseInterface::QUERY_STORE
|
|
);
|
|
|
|
while ($table_copy_row = @$GLOBALS['dbi']->fetchAssoc($table_copy_rs)) {
|
|
$value_parts = array();
|
|
foreach ($table_copy_row as $_key => $_val) {
|
|
if (isset($row_fields[$_key]) && $row_fields[$_key] == 'cc') {
|
|
$value_parts[] = $GLOBALS['dbi']->escapeString($_val);
|
|
}
|
|
}
|
|
|
|
$new_table_query = 'INSERT IGNORE INTO '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($GLOBALS['cfgRelation'][$pma_table])
|
|
. ' (' . implode(', ', $select_parts) . ', '
|
|
. implode(', ', $new_parts) . ') VALUES (\''
|
|
. implode('\', \'', $value_parts) . '\', \''
|
|
. implode('\', \'', $new_value_parts) . '\')';
|
|
|
|
PMA_queryAsControlUser($new_table_query);
|
|
$last_id = $GLOBALS['dbi']->insertId();
|
|
} // end while
|
|
|
|
$GLOBALS['dbi']->freeResult($table_copy_rs);
|
|
|
|
return $last_id;
|
|
} // end of 'Table::duplicateInfo()' function
|
|
|
|
/**
|
|
* Copies or renames table
|
|
*
|
|
* @param string $source_db source database
|
|
* @param string $source_table source table
|
|
* @param string $target_db target database
|
|
* @param string $target_table target table
|
|
* @param string $what what to be moved or copied (data, dataonly)
|
|
* @param bool $move whether to move
|
|
* @param string $mode mode
|
|
*
|
|
* @return bool true if success, false otherwise
|
|
*/
|
|
static public function moveCopy($source_db, $source_table, $target_db,
|
|
$target_table, $what, $move, $mode
|
|
) {
|
|
|
|
global $err_url;
|
|
|
|
// Try moving the tables directly, using native `RENAME` statement.
|
|
if ($move && $what == 'data') {
|
|
$tbl = new Table($source_table, $source_db);
|
|
if ($tbl->rename($target_table, $target_db)) {
|
|
$GLOBALS['message'] = $tbl->getLastMessage();
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Setting required export settings.
|
|
$GLOBALS['sql_backquotes'] = 1;
|
|
$GLOBALS['asfile'] = 1;
|
|
|
|
// Ensuring the target database is valid.
|
|
if (! $GLOBALS['dblist']->databases->exists($source_db, $target_db)) {
|
|
if (! $GLOBALS['dblist']->databases->exists($source_db)) {
|
|
$GLOBALS['message'] = Message::rawError(
|
|
sprintf(
|
|
__('Source database `%s` was not found!'),
|
|
htmlspecialchars($source_db)
|
|
)
|
|
);
|
|
}
|
|
if (! $GLOBALS['dblist']->databases->exists($target_db)) {
|
|
$GLOBALS['message'] = Message::rawError(
|
|
sprintf(
|
|
__('Target database `%s` was not found!'),
|
|
htmlspecialchars($target_db)
|
|
)
|
|
);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* The full name of source table, quoted.
|
|
* @var string $source
|
|
*/
|
|
$source = Util::backquote($source_db)
|
|
. '.' . Util::backquote($source_table);
|
|
|
|
// If the target database is not specified, the operation is taking
|
|
// place in the same database.
|
|
if (! isset($target_db) || strlen($target_db) === 0) {
|
|
$target_db = $source_db;
|
|
}
|
|
|
|
// Selecting the database could avoid some problems with replicated
|
|
// databases, when moving table from replicated one to not replicated one.
|
|
$GLOBALS['dbi']->selectDb($target_db);
|
|
|
|
/**
|
|
* The full name of target table, quoted.
|
|
* @var string $target
|
|
*/
|
|
$target = Util::backquote($target_db)
|
|
. '.' . Util::backquote($target_table);
|
|
|
|
// No table is created when this is a data-only operation.
|
|
if ($what != 'dataonly') {
|
|
|
|
include_once "libraries/plugin_interface.lib.php";
|
|
|
|
/**
|
|
* Instance used for exporting the current structure of the table.
|
|
*
|
|
* @var \PMA\libraries\plugins\export\ExportSql
|
|
*/
|
|
$export_sql_plugin = PMA_getPlugin(
|
|
"export",
|
|
"sql",
|
|
'libraries/plugins/export/',
|
|
array(
|
|
'export_type' => 'table',
|
|
'single_table' => false,
|
|
)
|
|
);
|
|
|
|
$no_constraints_comments = true;
|
|
$GLOBALS['sql_constraints_query'] = '';
|
|
// set the value of global sql_auto_increment variable
|
|
if (isset($_POST['sql_auto_increment'])) {
|
|
$GLOBALS['sql_auto_increment'] = $_POST['sql_auto_increment'];
|
|
}
|
|
|
|
/**
|
|
* The old structure of the table..
|
|
* @var string $sql_structure
|
|
*/
|
|
$sql_structure = $export_sql_plugin->getTableDef(
|
|
$source_db, $source_table, "\n", $err_url, false, false
|
|
);
|
|
|
|
unset($no_constraints_comments);
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 0: Preparing structures used.
|
|
|
|
/**
|
|
* The destination where the table is moved or copied to.
|
|
* @var Expression
|
|
*/
|
|
$destination = new Expression(
|
|
$target_db, $target_table, ''
|
|
);
|
|
|
|
// Find server's SQL mode so the builder can generate correct
|
|
// queries.
|
|
// One of the options that alters the behaviour is `ANSI_QUOTES`.
|
|
Context::setMode(
|
|
$GLOBALS['dbi']->fetchValue("SELECT @@sql_mode")
|
|
);
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 1: Dropping existent element of the same name (if exists
|
|
// and required).
|
|
|
|
if (isset($_REQUEST['drop_if_exists'])
|
|
&& $_REQUEST['drop_if_exists'] == 'true'
|
|
) {
|
|
|
|
/**
|
|
* Drop statement used for building the query.
|
|
* @var DropStatement $statement
|
|
*/
|
|
$statement = new DropStatement();
|
|
|
|
$tbl = new Table($target_db, $target_table);
|
|
|
|
$statement->options = new OptionsArray(
|
|
array(
|
|
$tbl->isView() ? 'VIEW' : 'TABLE',
|
|
'IF EXISTS',
|
|
)
|
|
);
|
|
|
|
$statement->fields = array($destination);
|
|
|
|
// Building the query.
|
|
$drop_query = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
$GLOBALS['dbi']->query($drop_query);
|
|
$GLOBALS['sql_query'] .= "\n" . $drop_query;
|
|
|
|
// If an existing table gets deleted, maintain any entries for
|
|
// the PMA_* tables.
|
|
$maintain_relations = true;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 2: Generating the new query of this structure.
|
|
|
|
/**
|
|
* The parser responsible for parsing the old queries.
|
|
* @var Parser $parser
|
|
*/
|
|
$parser = new Parser($sql_structure);
|
|
|
|
if (!empty($parser->statements[0])) {
|
|
|
|
/**
|
|
* The CREATE statement of this structure.
|
|
* @var \PhpMyAdmin\SqlParser\Statements\CreateStatement $statement
|
|
*/
|
|
$statement = $parser->statements[0];
|
|
|
|
// Changing the destination.
|
|
$statement->name = $destination;
|
|
|
|
// Building back the query.
|
|
$sql_structure = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
$GLOBALS['dbi']->query($sql_structure);
|
|
$GLOBALS['sql_query'] .= "\n" . $sql_structure;
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 3: Adding constraints.
|
|
// All constraint names are removed because they must be unique.
|
|
|
|
if (($move || isset($GLOBALS['add_constraints']))
|
|
&& !empty($GLOBALS['sql_constraints_query'])
|
|
) {
|
|
|
|
$parser = new Parser($GLOBALS['sql_constraints_query']);
|
|
|
|
/**
|
|
* The ALTER statement that generates the constraints.
|
|
* @var \PhpMyAdmin\SqlParser\Statements\AlterStatement $statement
|
|
*/
|
|
$statement = $parser->statements[0];
|
|
|
|
// Changing the altered table to the destination.
|
|
$statement->table = $destination;
|
|
|
|
// Removing the name of the constraints.
|
|
foreach ($statement->altered as $idx => $altered) {
|
|
// All constraint names are removed because they must be unique.
|
|
if ($altered->options->has('CONSTRAINT')) {
|
|
$altered->field = null;
|
|
}
|
|
}
|
|
|
|
// Building back the query.
|
|
$GLOBALS['sql_constraints_query'] = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
if ($mode == 'one_table') {
|
|
$GLOBALS['dbi']->query($GLOBALS['sql_constraints_query']);
|
|
}
|
|
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_constraints_query'];
|
|
if ($mode == 'one_table') {
|
|
unset($GLOBALS['sql_constraints_query']);
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 4: Adding indexes.
|
|
// View phase 3.
|
|
|
|
if (!empty($GLOBALS['sql_indexes'])) {
|
|
|
|
$parser = new Parser($GLOBALS['sql_indexes']);
|
|
|
|
$GLOBALS['sql_indexes'] = '';
|
|
/**
|
|
* The ALTER statement that generates the indexes.
|
|
* @var \PhpMyAdmin\SqlParser\Statements\AlterStatement $statement
|
|
*/
|
|
foreach ($parser->statements as $statement) {
|
|
|
|
// Changing the altered table to the destination.
|
|
$statement->table = $destination;
|
|
|
|
// Removing the name of the constraints.
|
|
foreach ($statement->altered as $idx => $altered) {
|
|
// All constraint names are removed because they must be unique.
|
|
if ($altered->options->has('CONSTRAINT')) {
|
|
$altered->field = null;
|
|
}
|
|
}
|
|
|
|
// Building back the query.
|
|
$sql_index = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
if ($mode == 'one_table' || $mode == 'db_copy') {
|
|
$GLOBALS['dbi']->query($sql_index);
|
|
}
|
|
|
|
$GLOBALS['sql_indexes'] .= $sql_index;
|
|
}
|
|
|
|
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_indexes'];
|
|
if ($mode == 'one_table' || $mode == 'db_copy') {
|
|
unset($GLOBALS['sql_indexes']);
|
|
}
|
|
}
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 5: Adding AUTO_INCREMENT.
|
|
|
|
if (! empty($GLOBALS['sql_auto_increments'])) {
|
|
if ($mode == 'one_table' || $mode == 'db_copy') {
|
|
|
|
$parser = new Parser($GLOBALS['sql_auto_increments']);
|
|
|
|
/**
|
|
* The ALTER statement that alters the AUTO_INCREMENT value.
|
|
* @var \PhpMyAdmin\SqlParser\Statements\AlterStatement $statement
|
|
*/
|
|
$statement = $parser->statements[0];
|
|
|
|
// Changing the altered table to the destination.
|
|
$statement->table = $destination;
|
|
|
|
// Building back the query.
|
|
$GLOBALS['sql_auto_increments'] = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
$GLOBALS['dbi']->query($GLOBALS['sql_auto_increments']);
|
|
$GLOBALS['sql_query'] .= "\n" . $GLOBALS['sql_auto_increments'];
|
|
unset($GLOBALS['sql_auto_increments']);
|
|
}
|
|
}
|
|
} else {
|
|
$GLOBALS['sql_query'] = '';
|
|
}
|
|
|
|
$_table = new Table($target_table, $target_db);
|
|
// Copy the data unless this is a VIEW
|
|
if (($what == 'data' || $what == 'dataonly')
|
|
&& ! $_table->isView()
|
|
) {
|
|
$sql_set_mode = "SET SQL_MODE='NO_AUTO_VALUE_ON_ZERO'";
|
|
$GLOBALS['dbi']->query($sql_set_mode);
|
|
$GLOBALS['sql_query'] .= "\n\n" . $sql_set_mode . ';';
|
|
|
|
$_old_table = new Table($source_table, $source_db);
|
|
$nonGeneratedCols = $_old_table->getNonGeneratedColumns(true);
|
|
if (count($nonGeneratedCols) > 0) {
|
|
$sql_insert_data = 'INSERT INTO ' . $target . '('
|
|
. implode(', ', $nonGeneratedCols)
|
|
. ') SELECT ' . implode(', ', $nonGeneratedCols)
|
|
. ' FROM ' . $source;
|
|
|
|
$GLOBALS['dbi']->query($sql_insert_data);
|
|
$GLOBALS['sql_query'] .= "\n\n" . $sql_insert_data . ';';
|
|
}
|
|
}
|
|
|
|
PMA_getRelationsParam();
|
|
|
|
// Drops old table if the user has requested to move it
|
|
if ($move) {
|
|
|
|
// This could avoid some problems with replicated databases, when
|
|
// moving table from replicated one to not replicated one
|
|
$GLOBALS['dbi']->selectDb($source_db);
|
|
|
|
$_source_table = new Table($source_table, $source_db);
|
|
if ($_source_table->isView()) {
|
|
$sql_drop_query = 'DROP VIEW';
|
|
} else {
|
|
$sql_drop_query = 'DROP TABLE';
|
|
}
|
|
$sql_drop_query .= ' ' . $source;
|
|
$GLOBALS['dbi']->query($sql_drop_query);
|
|
|
|
// Renable table in configuration storage
|
|
PMA_REL_renameTable(
|
|
$source_db, $target_db,
|
|
$source_table, $target_table
|
|
);
|
|
|
|
$GLOBALS['sql_query'] .= "\n\n" . $sql_drop_query . ';';
|
|
// end if ($move)
|
|
return true;
|
|
}
|
|
|
|
// we are copying
|
|
// Create new entries as duplicates from old PMA DBs
|
|
if ($what == 'dataonly' || isset($maintain_relations)) {
|
|
return true;
|
|
}
|
|
|
|
if ($GLOBALS['cfgRelation']['commwork']) {
|
|
// Get all comments and MIME-Types for current table
|
|
$comments_copy_rs = PMA_queryAsControlUser(
|
|
'SELECT column_name, comment'
|
|
. ($GLOBALS['cfgRelation']['mimework']
|
|
? ', mimetype, transformation, transformation_options'
|
|
: '')
|
|
. ' FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.'
|
|
. Util::backquote($GLOBALS['cfgRelation']['column_info'])
|
|
. ' WHERE '
|
|
. ' db_name = \''
|
|
. $GLOBALS['dbi']->escapeString($source_db) . '\''
|
|
. ' AND '
|
|
. ' table_name = \''
|
|
. $GLOBALS['dbi']->escapeString($source_table) . '\''
|
|
);
|
|
|
|
// Write every comment as new copied entry. [MIME]
|
|
while ($comments_copy_row
|
|
= $GLOBALS['dbi']->fetchAssoc($comments_copy_rs)) {
|
|
$new_comment_query = 'REPLACE INTO '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote(
|
|
$GLOBALS['cfgRelation']['column_info']
|
|
)
|
|
. ' (db_name, table_name, column_name, comment'
|
|
. ($GLOBALS['cfgRelation']['mimework']
|
|
? ', mimetype, transformation, transformation_options'
|
|
: '')
|
|
. ') ' . ' VALUES(' . '\'' . $GLOBALS['dbi']->escapeString($target_db)
|
|
. '\',\'' . $GLOBALS['dbi']->escapeString($target_table) . '\',\''
|
|
. $GLOBALS['dbi']->escapeString($comments_copy_row['column_name'])
|
|
. '\',\'' . $GLOBALS['dbi']->escapeString($target_table) . '\',\''
|
|
. $GLOBALS['dbi']->escapeString($comments_copy_row['comment'])
|
|
. '\''
|
|
. ($GLOBALS['cfgRelation']['mimework']
|
|
? ',\'' . $GLOBALS['dbi']->escapeString(
|
|
$comments_copy_row['mimetype']
|
|
)
|
|
. '\',' . '\'' . $GLOBALS['dbi']->escapeString(
|
|
$comments_copy_row['transformation']
|
|
)
|
|
. '\',' . '\'' . $GLOBALS['dbi']->escapeString(
|
|
$comments_copy_row['transformation_options']
|
|
)
|
|
. '\''
|
|
: '')
|
|
. ')';
|
|
PMA_queryAsControlUser($new_comment_query);
|
|
} // end while
|
|
$GLOBALS['dbi']->freeResult($comments_copy_rs);
|
|
unset($comments_copy_rs);
|
|
}
|
|
|
|
// duplicating the bookmarks must not be done here, but
|
|
// just once per db
|
|
|
|
$get_fields = array('display_field');
|
|
$where_fields = array(
|
|
'db_name' => $source_db,
|
|
'table_name' => $source_table
|
|
);
|
|
$new_fields = array(
|
|
'db_name' => $target_db,
|
|
'table_name' => $target_table
|
|
);
|
|
Table::duplicateInfo(
|
|
'displaywork',
|
|
'table_info',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
/**
|
|
* @todo revise this code when we support cross-db relations
|
|
*/
|
|
$get_fields = array(
|
|
'master_field',
|
|
'foreign_table',
|
|
'foreign_field'
|
|
);
|
|
$where_fields = array(
|
|
'master_db' => $source_db,
|
|
'master_table' => $source_table
|
|
);
|
|
$new_fields = array(
|
|
'master_db' => $target_db,
|
|
'foreign_db' => $target_db,
|
|
'master_table' => $target_table
|
|
);
|
|
Table::duplicateInfo(
|
|
'relwork',
|
|
'relation',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
$get_fields = array(
|
|
'foreign_field',
|
|
'master_table',
|
|
'master_field'
|
|
);
|
|
$where_fields = array(
|
|
'foreign_db' => $source_db,
|
|
'foreign_table' => $source_table
|
|
);
|
|
$new_fields = array(
|
|
'master_db' => $target_db,
|
|
'foreign_db' => $target_db,
|
|
'foreign_table' => $target_table
|
|
);
|
|
Table::duplicateInfo(
|
|
'relwork',
|
|
'relation',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
/**
|
|
* @todo Can't get duplicating PDFs the right way. The
|
|
* page numbers always get screwed up independently from
|
|
* duplication because the numbers do not seem to be stored on a
|
|
* per-database basis. Would the author of pdf support please
|
|
* have a look at it?
|
|
*
|
|
$get_fields = array('page_descr');
|
|
$where_fields = array('db_name' => $source_db);
|
|
$new_fields = array('db_name' => $target_db);
|
|
$last_id = Table::duplicateInfo(
|
|
'pdfwork',
|
|
'pdf_pages',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
if (isset($last_id) && $last_id >= 0) {
|
|
$get_fields = array('x', 'y');
|
|
$where_fields = array(
|
|
'db_name' => $source_db,
|
|
'table_name' => $source_table
|
|
);
|
|
$new_fields = array(
|
|
'db_name' => $target_db,
|
|
'table_name' => $target_table,
|
|
'pdf_page_number' => $last_id
|
|
);
|
|
Table::duplicateInfo(
|
|
'pdfwork',
|
|
'table_coords',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
}
|
|
*/
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* checks if given name is a valid table name,
|
|
* currently if not empty, trailing spaces, '.', '/' and '\'
|
|
*
|
|
* @param string $table_name name to check
|
|
* @param boolean $is_backquoted whether this name is used inside backquotes or not
|
|
*
|
|
* @todo add check for valid chars in filename on current system/os
|
|
* @see https://dev.mysql.com/doc/refman/5.0/en/legal-names.html
|
|
*
|
|
* @return boolean whether the string is valid or not
|
|
*/
|
|
static function isValidName($table_name, $is_backquoted = false)
|
|
{
|
|
if ($table_name !== rtrim($table_name)) {
|
|
// trailing spaces not allowed even in backquotes
|
|
return false;
|
|
}
|
|
|
|
if (strlen($table_name) === 0) {
|
|
// zero length
|
|
return false;
|
|
}
|
|
|
|
if (! $is_backquoted && $table_name !== trim($table_name)) {
|
|
// spaces at the start or in between only allowed inside backquotes
|
|
return false;
|
|
}
|
|
|
|
if (! $is_backquoted && preg_match('/^[a-zA-Z0-9_$]+$/', $table_name)) {
|
|
// only allow the above regex in unquoted identifiers
|
|
// see : https://dev.mysql.com/doc/refman/5.7/en/identifiers.html
|
|
return true;
|
|
} else if ($is_backquoted) {
|
|
// If backquoted, all characters should be allowed (except w/ trailing spaces)
|
|
return true;
|
|
}
|
|
|
|
// If not backquoted and doesn't follow the above regex
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* renames table
|
|
*
|
|
* @param string $new_name new table name
|
|
* @param string $new_db new database name
|
|
*
|
|
* @return bool success
|
|
*/
|
|
public function rename($new_name, $new_db = null)
|
|
{
|
|
if ($GLOBALS['dbi']->getLowerCaseNames() === '1') {
|
|
$new_name = strtolower($new_name);
|
|
}
|
|
|
|
if (null !== $new_db && $new_db !== $this->getDbName()) {
|
|
// Ensure the target is valid
|
|
if (! $GLOBALS['dblist']->databases->exists($new_db)) {
|
|
$this->errors[] = __('Invalid database:') . ' ' . $new_db;
|
|
return false;
|
|
}
|
|
} else {
|
|
$new_db = $this->getDbName();
|
|
}
|
|
|
|
$new_table = new Table($new_name, $new_db);
|
|
|
|
if ($this->getFullName() === $new_table->getFullName()) {
|
|
return true;
|
|
}
|
|
|
|
// Allow whitespaces (not trailing) in $new_name,
|
|
// since we are using $backquoted in getting the fullName of table
|
|
// below to be used in the query
|
|
if (! Table::isValidName($new_name, true)) {
|
|
$this->errors[] = __('Invalid table name:') . ' '
|
|
. $new_table->getFullName();
|
|
return false;
|
|
}
|
|
|
|
// If the table is moved to a different database drop its triggers first
|
|
$triggers = $this->_dbi->getTriggers(
|
|
$this->getDbName(), $this->getName(), ''
|
|
);
|
|
$handle_triggers = $this->getDbName() != $new_db && $triggers;
|
|
if ($handle_triggers) {
|
|
foreach ($triggers as $trigger) {
|
|
$sql = 'DROP TRIGGER IF EXISTS '
|
|
. Util::backquote($this->getDbName())
|
|
. '.' . Util::backquote($trigger['name']) . ';';
|
|
$this->_dbi->query($sql);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* tested also for a view, in MySQL 5.0.92, 5.1.55 and 5.5.13
|
|
*/
|
|
$GLOBALS['sql_query'] = '
|
|
RENAME TABLE ' . $this->getFullName(true) . '
|
|
TO ' . $new_table->getFullName(true) . ';';
|
|
// I don't think a specific error message for views is necessary
|
|
if (! $this->_dbi->query($GLOBALS['sql_query'])) {
|
|
// Restore triggers in the old database
|
|
if ($handle_triggers) {
|
|
$this->_dbi->selectDb($this->getDbName());
|
|
foreach ($triggers as $trigger) {
|
|
$this->_dbi->query($trigger['create']);
|
|
}
|
|
}
|
|
$this->errors[] = sprintf(
|
|
__('Failed to rename table %1$s to %2$s!'),
|
|
$this->getFullName(),
|
|
$new_table->getFullName()
|
|
);
|
|
return false;
|
|
}
|
|
|
|
$old_name = $this->getName();
|
|
$old_db = $this->getDbName();
|
|
$this->_name = $new_name;
|
|
$this->_db_name = $new_db;
|
|
|
|
// Renable table in configuration storage
|
|
PMA_REL_renameTable(
|
|
$old_db, $new_db,
|
|
$old_name, $new_name
|
|
);
|
|
|
|
$this->messages[] = sprintf(
|
|
__('Table %1$s has been renamed to %2$s.'),
|
|
htmlspecialchars($old_name),
|
|
htmlspecialchars($new_name)
|
|
);
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get all unique columns
|
|
*
|
|
* returns an array with all columns with unique content, in fact these are
|
|
* all columns being single indexed in PRIMARY or UNIQUE
|
|
*
|
|
* e.g.
|
|
* - PRIMARY(id) // id
|
|
* - UNIQUE(name) // name
|
|
* - PRIMARY(fk_id1, fk_id2) // NONE
|
|
* - UNIQUE(x,y) // NONE
|
|
*
|
|
* @param bool $backquoted whether to quote name with backticks ``
|
|
* @param bool $fullName whether to include full name of the table as a prefix
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getUniqueColumns($backquoted = true, $fullName = true)
|
|
{
|
|
$sql = $this->_dbi->getTableIndexesSql(
|
|
$this->getDbName(),
|
|
$this->getName(),
|
|
'Non_unique = 0'
|
|
);
|
|
$uniques = $this->_dbi->fetchResult(
|
|
$sql,
|
|
array('Key_name', null),
|
|
'Column_name'
|
|
);
|
|
|
|
$return = array();
|
|
foreach ($uniques as $index) {
|
|
if (count($index) > 1) {
|
|
continue;
|
|
}
|
|
if ($fullName) {
|
|
$possible_column = $this->getFullName($backquoted) . '.';
|
|
} else {
|
|
$possible_column = '';
|
|
}
|
|
if ($backquoted) {
|
|
$possible_column .= Util::backquote($index[0]);
|
|
} else {
|
|
$possible_column .= $index[0];
|
|
}
|
|
// a column might have a primary and an unique index on it
|
|
if (! in_array($possible_column, $return)) {
|
|
$return[] = $possible_column;
|
|
}
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Formats lists of columns
|
|
*
|
|
* returns an array with all columns that make use of an index
|
|
*
|
|
* e.g. index(col1, col2) would return col1, col2
|
|
*
|
|
* @param array $indexed column data
|
|
* @param bool $backquoted whether to quote name with backticks ``
|
|
* @param bool $fullName whether to include full name of the table as a prefix
|
|
*
|
|
* @return array
|
|
*/
|
|
private function _formatColumns($indexed, $backquoted, $fullName)
|
|
{
|
|
$return = array();
|
|
foreach ($indexed as $column) {
|
|
$return[] = ($fullName ? $this->getFullName($backquoted) . '.' : '')
|
|
. ($backquoted ? Util::backquote($column) : $column);
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Get all indexed columns
|
|
*
|
|
* returns an array with all columns that make use of an index
|
|
*
|
|
* e.g. index(col1, col2) would return col1, col2
|
|
*
|
|
* @param bool $backquoted whether to quote name with backticks ``
|
|
* @param bool $fullName whether to include full name of the table as a prefix
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getIndexedColumns($backquoted = true, $fullName = true)
|
|
{
|
|
$sql = $this->_dbi->getTableIndexesSql(
|
|
$this->getDbName(),
|
|
$this->getName(),
|
|
''
|
|
);
|
|
$indexed = $this->_dbi->fetchResult($sql, 'Column_name', 'Column_name');
|
|
|
|
return $this->_formatColumns($indexed, $backquoted, $fullName);
|
|
}
|
|
|
|
/**
|
|
* Get all columns
|
|
*
|
|
* returns an array with all columns
|
|
*
|
|
* @param bool $backquoted whether to quote name with backticks ``
|
|
* @param bool $fullName whether to include full name of the table as a prefix
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getColumns($backquoted = true, $fullName = true)
|
|
{
|
|
$sql = 'SHOW COLUMNS FROM ' . $this->getFullName(true);
|
|
$indexed = $this->_dbi->fetchResult($sql, 'Field', 'Field');
|
|
|
|
return $this->_formatColumns($indexed, $backquoted, $fullName);
|
|
}
|
|
|
|
/**
|
|
* Get meta info for fields in table
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function getColumnsMeta()
|
|
{
|
|
$move_columns_sql_query = sprintf(
|
|
'SELECT * FROM %s.%s LIMIT 1',
|
|
Util::backquote($this->_db_name),
|
|
Util::backquote($this->_name)
|
|
);
|
|
$move_columns_sql_result = $this->_dbi->tryQuery($move_columns_sql_query);
|
|
if ($move_columns_sql_result !== false) {
|
|
return $this->_dbi->getFieldsMeta($move_columns_sql_result);
|
|
} else {
|
|
// unsure how to reproduce but it was seen on the reporting server
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get non-generated columns in table
|
|
*
|
|
* @param bool $backquoted whether to quote name with backticks ``
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getNonGeneratedColumns($backquoted = true)
|
|
{
|
|
$columns_meta_query = 'SHOW COLUMNS FROM ' . $this->getFullName(true);
|
|
$ret = array();
|
|
|
|
$columns_meta_query_result = $this->_dbi->fetchResult(
|
|
$columns_meta_query
|
|
);
|
|
|
|
if ($columns_meta_query_result
|
|
&& $columns_meta_query_result !== false
|
|
) {
|
|
foreach ($columns_meta_query_result as $column) {
|
|
$value = $column['Field'];
|
|
if ($backquoted === true) {
|
|
$value = Util::backquote($value);
|
|
}
|
|
|
|
if (strpos($column['Extra'], 'GENERATED') === false) {
|
|
array_push($ret, $value);
|
|
}
|
|
}
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Return UI preferences for this table from phpMyAdmin database.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getUiPrefsFromDb()
|
|
{
|
|
$cfgRelation = PMA_getRelationsParam();
|
|
$pma_table = Util::backquote($cfgRelation['db']) . "."
|
|
. Util::backquote($cfgRelation['table_uiprefs']);
|
|
|
|
// Read from phpMyAdmin database
|
|
$sql_query = " SELECT `prefs` FROM " . $pma_table
|
|
. " WHERE `username` = '" . $GLOBALS['dbi']->escapeString($GLOBALS['cfg']['Server']['user']) . "'"
|
|
. " AND `db_name` = '" . $GLOBALS['dbi']->escapeString($this->_db_name) . "'"
|
|
. " AND `table_name` = '" . $GLOBALS['dbi']->escapeString($this->_name) . "'";
|
|
|
|
$row = $this->_dbi->fetchArray(PMA_queryAsControlUser($sql_query));
|
|
if (isset($row[0])) {
|
|
return json_decode($row[0], true);
|
|
} else {
|
|
return array();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Save this table's UI preferences into phpMyAdmin database.
|
|
*
|
|
* @return true|Message
|
|
*/
|
|
protected function saveUiPrefsToDb()
|
|
{
|
|
$cfgRelation = PMA_getRelationsParam();
|
|
$pma_table = Util::backquote($cfgRelation['db']) . "."
|
|
. Util::backquote($cfgRelation['table_uiprefs']);
|
|
|
|
$secureDbName = $GLOBALS['dbi']->escapeString($this->_db_name);
|
|
|
|
$username = $GLOBALS['cfg']['Server']['user'];
|
|
$sql_query = " REPLACE INTO " . $pma_table
|
|
. " (username, db_name, table_name, prefs) VALUES ('"
|
|
. $GLOBALS['dbi']->escapeString($username) . "', '" . $secureDbName
|
|
. "', '" . $GLOBALS['dbi']->escapeString($this->_name) . "', '"
|
|
. $GLOBALS['dbi']->escapeString(json_encode($this->uiprefs)) . "')";
|
|
|
|
$success = $this->_dbi->tryQuery($sql_query, $GLOBALS['controllink']);
|
|
|
|
if (!$success) {
|
|
$message = Message::error(
|
|
__('Could not save table UI preferences!')
|
|
);
|
|
$message->addMessage(
|
|
Message::rawError(
|
|
$this->_dbi->getError($GLOBALS['controllink'])
|
|
),
|
|
'<br /><br />'
|
|
);
|
|
return $message;
|
|
}
|
|
|
|
// Remove some old rows in table_uiprefs if it exceeds the configured
|
|
// maximum rows
|
|
$sql_query = 'SELECT COUNT(*) FROM ' . $pma_table;
|
|
$rows_count = $this->_dbi->fetchValue($sql_query);
|
|
$max_rows = $GLOBALS['cfg']['Server']['MaxTableUiprefs'];
|
|
if ($rows_count > $max_rows) {
|
|
$num_rows_to_delete = $rows_count - $max_rows;
|
|
$sql_query
|
|
= ' DELETE FROM ' . $pma_table .
|
|
' ORDER BY last_update ASC' .
|
|
' LIMIT ' . $num_rows_to_delete;
|
|
$success = $this->_dbi->tryQuery(
|
|
$sql_query, $GLOBALS['controllink']
|
|
);
|
|
|
|
if (!$success) {
|
|
$message = Message::error(
|
|
sprintf(
|
|
__(
|
|
'Failed to cleanup table UI preferences (see ' .
|
|
'$cfg[\'Servers\'][$i][\'MaxTableUiprefs\'] %s)'
|
|
),
|
|
Util::showDocu('config', 'cfg_Servers_MaxTableUiprefs')
|
|
)
|
|
);
|
|
$message->addMessage(
|
|
Message::rawError(
|
|
$this->_dbi->getError($GLOBALS['controllink'])
|
|
),
|
|
'<br /><br />'
|
|
);
|
|
return $message;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Loads the UI preferences for this table.
|
|
* If pmadb and table_uiprefs is set, it will load the UI preferences from
|
|
* phpMyAdmin database.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function loadUiPrefs()
|
|
{
|
|
$cfgRelation = PMA_getRelationsParam();
|
|
$server_id = $GLOBALS['server'];
|
|
|
|
// set session variable if it's still undefined
|
|
if (!isset($_SESSION['tmpval']['table_uiprefs'][$server_id][$this->_db_name][$this->_name])) {
|
|
// check whether we can get from pmadb
|
|
$_SESSION['tmpval']['table_uiprefs'][$server_id][$this->_db_name]
|
|
[$this->_name] = $cfgRelation['uiprefswork']
|
|
? $this->getUiPrefsFromDb()
|
|
: array();
|
|
}
|
|
$this->uiprefs =& $_SESSION['tmpval']['table_uiprefs'][$server_id]
|
|
[$this->_db_name][$this->_name];
|
|
}
|
|
|
|
/**
|
|
* Get a property from UI preferences.
|
|
* Return false if the property is not found.
|
|
* Available property:
|
|
* - PROP_SORTED_COLUMN
|
|
* - PROP_COLUMN_ORDER
|
|
* - PROP_COLUMN_VISIB
|
|
*
|
|
* @param string $property property
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function getUiProp($property)
|
|
{
|
|
if (! isset($this->uiprefs)) {
|
|
$this->loadUiPrefs();
|
|
}
|
|
|
|
// do checking based on property
|
|
if ($property == self::PROP_SORTED_COLUMN) {
|
|
if (!isset($this->uiprefs[$property])) {
|
|
return false;
|
|
}
|
|
|
|
if (!isset($_REQUEST['discard_remembered_sort'])) {
|
|
// check if the column name exists in this table
|
|
$tmp = explode(' ', $this->uiprefs[$property]);
|
|
$colname = $tmp[0];
|
|
//remove backquoting from colname
|
|
$colname = str_replace('`', '', $colname);
|
|
//get the available column name without backquoting
|
|
$avail_columns = $this->getColumns(false);
|
|
|
|
foreach ($avail_columns as $each_col) {
|
|
// check if $each_col ends with $colname
|
|
if (substr_compare(
|
|
$each_col,
|
|
$colname,
|
|
mb_strlen($each_col) - mb_strlen($colname)
|
|
) === 0
|
|
) {
|
|
return $this->uiprefs[$property];
|
|
}
|
|
}
|
|
}
|
|
// remove the property, since it no longer exists in database
|
|
$this->removeUiProp(self::PROP_SORTED_COLUMN);
|
|
return false;
|
|
}
|
|
|
|
if ($property == self::PROP_COLUMN_ORDER
|
|
|| $property == self::PROP_COLUMN_VISIB
|
|
) {
|
|
if ($this->isView() || !isset($this->uiprefs[$property])) {
|
|
return false;
|
|
}
|
|
|
|
// check if the table has not been modified
|
|
if ($this->getStatusInfo('Create_time') == $this->uiprefs['CREATE_TIME']
|
|
) {
|
|
return $this->uiprefs[$property];
|
|
}
|
|
|
|
// remove the property, since the table has been modified
|
|
$this->removeUiProp(self::PROP_COLUMN_ORDER);
|
|
return false;
|
|
}
|
|
|
|
// default behaviour for other property:
|
|
return isset($this->uiprefs[$property]) ? $this->uiprefs[$property] : false;
|
|
}
|
|
|
|
/**
|
|
* Set a property from UI preferences.
|
|
* If pmadb and table_uiprefs is set, it will save the UI preferences to
|
|
* phpMyAdmin database.
|
|
* Available property:
|
|
* - PROP_SORTED_COLUMN
|
|
* - PROP_COLUMN_ORDER
|
|
* - PROP_COLUMN_VISIB
|
|
*
|
|
* @param string $property Property
|
|
* @param mixed $value Value for the property
|
|
* @param string $table_create_time Needed for PROP_COLUMN_ORDER
|
|
* and PROP_COLUMN_VISIB
|
|
*
|
|
* @return boolean|Message
|
|
*/
|
|
public function setUiProp($property, $value, $table_create_time = null)
|
|
{
|
|
if (! isset($this->uiprefs)) {
|
|
$this->loadUiPrefs();
|
|
}
|
|
// we want to save the create time if the property is PROP_COLUMN_ORDER
|
|
if (! $this->isView()
|
|
&& ($property == self::PROP_COLUMN_ORDER
|
|
|| $property == self::PROP_COLUMN_VISIB)
|
|
) {
|
|
$curr_create_time = $this->getStatusInfo('CREATE_TIME');
|
|
if (isset($table_create_time)
|
|
&& $table_create_time == $curr_create_time
|
|
) {
|
|
$this->uiprefs['CREATE_TIME'] = $curr_create_time;
|
|
} else {
|
|
// there is no $table_create_time, or
|
|
// supplied $table_create_time is older than current create time,
|
|
// so don't save
|
|
return Message::error(
|
|
sprintf(
|
|
__(
|
|
'Cannot save UI property "%s". The changes made will ' .
|
|
'not be persistent after you refresh this page. ' .
|
|
'Please check if the table structure has been changed.'
|
|
),
|
|
$property
|
|
)
|
|
);
|
|
}
|
|
}
|
|
// save the value
|
|
$this->uiprefs[$property] = $value;
|
|
|
|
// check if pmadb is set
|
|
$cfgRelation = PMA_getRelationsParam();
|
|
if ($cfgRelation['uiprefswork']) {
|
|
return $this->saveUiprefsToDb();
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Remove a property from UI preferences.
|
|
*
|
|
* @param string $property the property
|
|
*
|
|
* @return true|Message
|
|
*/
|
|
public function removeUiProp($property)
|
|
{
|
|
if (! isset($this->uiprefs)) {
|
|
$this->loadUiPrefs();
|
|
}
|
|
if (isset($this->uiprefs[$property])) {
|
|
unset($this->uiprefs[$property]);
|
|
|
|
// check if pmadb is set
|
|
$cfgRelation = PMA_getRelationsParam();
|
|
if ($cfgRelation['uiprefswork']) {
|
|
return $this->saveUiprefsToDb();
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Get all column names which are MySQL reserved words
|
|
*
|
|
* @return array
|
|
* @access public
|
|
*/
|
|
public function getReservedColumnNames()
|
|
{
|
|
$columns = $this->getColumns(false);
|
|
$return = array();
|
|
foreach ($columns as $column) {
|
|
$temp = explode('.', $column);
|
|
$column_name = $temp[2];
|
|
if (Context::isKeyword($column_name, true)) {
|
|
$return[] = $column_name;
|
|
}
|
|
}
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Function to get the name and type of the columns of a table
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getNameAndTypeOfTheColumns()
|
|
{
|
|
$columns = array();
|
|
foreach ($this->_dbi->getColumnsFull(
|
|
$this->_db_name, $this->_name
|
|
) as $row) {
|
|
if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
|
|
$tmp[2] = mb_substr(
|
|
preg_replace('@([^,])\'\'@', '\\1\\\'', ',' . $tmp[2]), 1
|
|
);
|
|
$columns[$row['Field']] = $tmp[1] . '('
|
|
. str_replace(',', ', ', $tmp[2]) . ')';
|
|
} else {
|
|
$columns[$row['Field']] = $row['Type'];
|
|
}
|
|
}
|
|
return $columns;
|
|
}
|
|
|
|
/**
|
|
* Get index with index name
|
|
*
|
|
* @param string $index Index name
|
|
*
|
|
* @return Index
|
|
*/
|
|
public function getIndex($index)
|
|
{
|
|
return Index::singleton($this->_db_name, $this->_name, $index);
|
|
}
|
|
|
|
/**
|
|
* Function to get the sql query for index creation or edit
|
|
*
|
|
* @param Index $index current index
|
|
* @param bool &$error whether error occurred or not
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getSqlQueryForIndexCreateOrEdit($index, &$error)
|
|
{
|
|
// $sql_query is the one displayed in the query box
|
|
$sql_query = sprintf(
|
|
'ALTER TABLE %s.%s',
|
|
Util::backquote($this->_db_name),
|
|
Util::backquote($this->_name)
|
|
);
|
|
|
|
// Drops the old index
|
|
if (! empty($_REQUEST['old_index'])) {
|
|
if ($_REQUEST['old_index'] == 'PRIMARY') {
|
|
$sql_query .= ' DROP PRIMARY KEY,';
|
|
} else {
|
|
$sql_query .= sprintf(
|
|
' DROP INDEX %s,',
|
|
Util::backquote($_REQUEST['old_index'])
|
|
);
|
|
}
|
|
} // end if
|
|
|
|
// Builds the new one
|
|
switch ($index->getChoice()) {
|
|
case 'PRIMARY':
|
|
if ($index->getName() == '') {
|
|
$index->setName('PRIMARY');
|
|
} elseif ($index->getName() != 'PRIMARY') {
|
|
$error = Message::error(
|
|
__('The name of the primary key must be "PRIMARY"!')
|
|
);
|
|
}
|
|
$sql_query .= ' ADD PRIMARY KEY';
|
|
break;
|
|
case 'FULLTEXT':
|
|
case 'UNIQUE':
|
|
case 'INDEX':
|
|
case 'SPATIAL':
|
|
if ($index->getName() == 'PRIMARY') {
|
|
$error = Message::error(
|
|
__('Can\'t rename index to PRIMARY!')
|
|
);
|
|
}
|
|
$sql_query .= sprintf(
|
|
' ADD %s ',
|
|
$index->getChoice()
|
|
);
|
|
if ($index->getName()) {
|
|
$sql_query .= Util::backquote($index->getName());
|
|
}
|
|
break;
|
|
} // end switch
|
|
|
|
$index_fields = array();
|
|
foreach ($index->getColumns() as $key => $column) {
|
|
$index_fields[$key] = Util::backquote($column->getName());
|
|
if ($column->getSubPart()) {
|
|
$index_fields[$key] .= '(' . $column->getSubPart() . ')';
|
|
}
|
|
} // end while
|
|
|
|
if (empty($index_fields)) {
|
|
$error = Message::error(__('No index parts defined!'));
|
|
} else {
|
|
$sql_query .= ' (' . implode(', ', $index_fields) . ')';
|
|
}
|
|
|
|
$keyBlockSizes = $index->getKeyBlockSize();
|
|
if (! empty($keyBlockSizes)) {
|
|
$sql_query .= sprintf(
|
|
' KEY_BLOCK_SIZE = ',
|
|
$GLOBALS['dbi']->escapeString($keyBlockSizes)
|
|
);
|
|
}
|
|
|
|
// specifying index type is allowed only for primary, unique and index only
|
|
// TokuDB is using Fractal Tree, Using Type is not useless
|
|
// Ref: https://mariadb.com/kb/en/mariadb/storage-engine-index-types/
|
|
$type = $index->getType();
|
|
if ($index->getChoice() != 'SPATIAL'
|
|
&& $index->getChoice() != 'FULLTEXT'
|
|
&& in_array($type, Index::getIndexTypes())
|
|
&& ! $this->isEngine(array('TOKUDB'))
|
|
) {
|
|
$sql_query .= ' USING ' . $type;
|
|
}
|
|
|
|
$parser = $index->getParser();
|
|
if ($index->getChoice() == 'FULLTEXT' && ! empty($parser)) {
|
|
$sql_query .= ' WITH PARSER ' . $GLOBALS['dbi']->escapeString($parser);
|
|
}
|
|
|
|
$comment = $index->getComment();
|
|
if (! empty($comment)) {
|
|
$sql_query .= sprintf(
|
|
" COMMENT '%s'",
|
|
$GLOBALS['dbi']->escapeString($comment)
|
|
);
|
|
}
|
|
|
|
$sql_query .= ';';
|
|
|
|
return $sql_query;
|
|
}
|
|
|
|
/**
|
|
* Function to handle update for display field
|
|
*
|
|
* @param string $disp current display field
|
|
* @param string $display_field display field
|
|
* @param array $cfgRelation configuration relation
|
|
*
|
|
* @return boolean True on update succeed or False on failure
|
|
*/
|
|
public function updateDisplayField($disp, $display_field, $cfgRelation)
|
|
{
|
|
$upd_query = false;
|
|
if ($disp) {
|
|
if ($display_field == '') {
|
|
$upd_query = 'DELETE FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['table_info'])
|
|
. ' WHERE db_name = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_db_name) . '\''
|
|
. ' AND table_name = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_name) . '\'';
|
|
} elseif ($disp != $display_field) {
|
|
$upd_query = 'UPDATE '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['table_info'])
|
|
. ' SET display_field = \''
|
|
. $GLOBALS['dbi']->escapeString($display_field) . '\''
|
|
. ' WHERE db_name = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_db_name) . '\''
|
|
. ' AND table_name = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_name) . '\'';
|
|
}
|
|
} elseif ($display_field != '') {
|
|
$upd_query = 'INSERT INTO '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['table_info'])
|
|
. '(db_name, table_name, display_field) VALUES('
|
|
. '\'' . $GLOBALS['dbi']->escapeString($this->_db_name) . '\','
|
|
. '\'' . $GLOBALS['dbi']->escapeString($this->_name) . '\','
|
|
. '\'' . $GLOBALS['dbi']->escapeString($display_field) . '\')';
|
|
}
|
|
|
|
if ($upd_query) {
|
|
$this->_dbi->query(
|
|
$upd_query,
|
|
$GLOBALS['controllink'],
|
|
0,
|
|
false
|
|
);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Function to get update query for updating internal relations
|
|
*
|
|
* @param array $multi_edit_columns_name multi edit column names
|
|
* @param array $destination_db destination tables
|
|
* @param array $destination_table destination tables
|
|
* @param array $destination_column destination columns
|
|
* @param array $cfgRelation configuration relation
|
|
* @param array|null $existrel db, table, column
|
|
*
|
|
* @return boolean
|
|
*/
|
|
public function updateInternalRelations($multi_edit_columns_name,
|
|
$destination_db, $destination_table, $destination_column,
|
|
$cfgRelation, $existrel
|
|
) {
|
|
$updated = false;
|
|
foreach ($destination_db as $master_field_md5 => $foreign_db) {
|
|
$upd_query = null;
|
|
// Map the fieldname's md5 back to its real name
|
|
$master_field = $multi_edit_columns_name[$master_field_md5];
|
|
$foreign_table = $destination_table[$master_field_md5];
|
|
$foreign_field = $destination_column[$master_field_md5];
|
|
if (! empty($foreign_db)
|
|
&& ! empty($foreign_table)
|
|
&& ! empty($foreign_field)
|
|
) {
|
|
if (! isset($existrel[$master_field])) {
|
|
$upd_query = 'INSERT INTO '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['relation'])
|
|
. '(master_db, master_table, master_field, foreign_db,'
|
|
. ' foreign_table, foreign_field)'
|
|
. ' values('
|
|
. '\'' . $GLOBALS['dbi']->escapeString($this->_db_name) . '\', '
|
|
. '\'' . $GLOBALS['dbi']->escapeString($this->_name) . '\', '
|
|
. '\'' . $GLOBALS['dbi']->escapeString($master_field) . '\', '
|
|
. '\'' . $GLOBALS['dbi']->escapeString($foreign_db) . '\', '
|
|
. '\'' . $GLOBALS['dbi']->escapeString($foreign_table) . '\','
|
|
. '\'' . $GLOBALS['dbi']->escapeString($foreign_field) . '\')';
|
|
|
|
} elseif ($existrel[$master_field]['foreign_db'] != $foreign_db
|
|
|| $existrel[$master_field]['foreign_table'] != $foreign_table
|
|
|| $existrel[$master_field]['foreign_field'] != $foreign_field
|
|
) {
|
|
$upd_query = 'UPDATE '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['relation'])
|
|
. ' SET foreign_db = \''
|
|
. $GLOBALS['dbi']->escapeString($foreign_db) . '\', '
|
|
. ' foreign_table = \''
|
|
. $GLOBALS['dbi']->escapeString($foreign_table) . '\', '
|
|
. ' foreign_field = \''
|
|
. $GLOBALS['dbi']->escapeString($foreign_field) . '\' '
|
|
. ' WHERE master_db = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_db_name) . '\''
|
|
. ' AND master_table = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_name) . '\''
|
|
. ' AND master_field = \''
|
|
. $GLOBALS['dbi']->escapeString($master_field) . '\'';
|
|
} // end if... else....
|
|
} elseif (isset($existrel[$master_field])) {
|
|
$upd_query = 'DELETE FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['relation'])
|
|
. ' WHERE master_db = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_db_name) . '\''
|
|
. ' AND master_table = \''
|
|
. $GLOBALS['dbi']->escapeString($this->_name) . '\''
|
|
. ' AND master_field = \''
|
|
. $GLOBALS['dbi']->escapeString($master_field) . '\'';
|
|
} // end if... else....
|
|
|
|
if (isset($upd_query)) {
|
|
$this->_dbi->query(
|
|
$upd_query,
|
|
$GLOBALS['controllink'],
|
|
0,
|
|
false
|
|
);
|
|
$updated = true;
|
|
}
|
|
}
|
|
return $updated;
|
|
}
|
|
|
|
/**
|
|
* Function to handle foreign key updates
|
|
*
|
|
* @param array $destination_foreign_db destination foreign database
|
|
* @param array $multi_edit_columns_name multi edit column names
|
|
* @param array $destination_foreign_table destination foreign table
|
|
* @param array $destination_foreign_column destination foreign column
|
|
* @param array $options_array options array
|
|
* @param string $table current table
|
|
* @param array $existrel_foreign db, table, column
|
|
*
|
|
* @return array
|
|
*/
|
|
public function updateForeignKeys($destination_foreign_db,
|
|
$multi_edit_columns_name, $destination_foreign_table,
|
|
$destination_foreign_column, $options_array, $table, $existrel_foreign
|
|
) {
|
|
$html_output = '';
|
|
$preview_sql_data = '';
|
|
$display_query = '';
|
|
$seen_error = false;
|
|
|
|
foreach ($destination_foreign_db as $master_field_md5 => $foreign_db) {
|
|
$create = false;
|
|
$drop = false;
|
|
|
|
// Map the fieldname's md5 back to its real name
|
|
$master_field = $multi_edit_columns_name[$master_field_md5];
|
|
|
|
$foreign_table = $destination_foreign_table[$master_field_md5];
|
|
$foreign_field = $destination_foreign_column[$master_field_md5];
|
|
|
|
if (isset($existrel_foreign[$master_field_md5]['ref_db_name'])) {
|
|
$ref_db_name = $existrel_foreign[$master_field_md5]['ref_db_name'];
|
|
} else {
|
|
$ref_db_name = $GLOBALS['db'];
|
|
}
|
|
|
|
$empty_fields = false;
|
|
foreach ($master_field as $key => $one_field) {
|
|
if ((! empty($one_field) && empty($foreign_field[$key]))
|
|
|| (empty($one_field) && ! empty($foreign_field[$key]))
|
|
) {
|
|
$empty_fields = true;
|
|
}
|
|
|
|
if (empty($one_field) && empty($foreign_field[$key])) {
|
|
unset($master_field[$key]);
|
|
unset($foreign_field[$key]);
|
|
}
|
|
}
|
|
|
|
if (! empty($foreign_db)
|
|
&& ! empty($foreign_table)
|
|
&& ! $empty_fields
|
|
) {
|
|
if (isset($existrel_foreign[$master_field_md5])) {
|
|
$constraint_name
|
|
= $existrel_foreign[$master_field_md5]['constraint'];
|
|
$on_delete = !empty(
|
|
$existrel_foreign[$master_field_md5]['on_delete']
|
|
)
|
|
? $existrel_foreign[$master_field_md5]['on_delete']
|
|
: 'RESTRICT';
|
|
$on_update = ! empty(
|
|
$existrel_foreign[$master_field_md5]['on_update']
|
|
)
|
|
? $existrel_foreign[$master_field_md5]['on_update']
|
|
: 'RESTRICT';
|
|
|
|
if ($ref_db_name != $foreign_db
|
|
|| $existrel_foreign[$master_field_md5]['ref_table_name'] != $foreign_table
|
|
|| $existrel_foreign[$master_field_md5]['ref_index_list'] != $foreign_field
|
|
|| $existrel_foreign[$master_field_md5]['index_list'] != $master_field
|
|
|| $_REQUEST['constraint_name'][$master_field_md5] != $constraint_name
|
|
|| ($_REQUEST['on_delete'][$master_field_md5] != $on_delete)
|
|
|| ($_REQUEST['on_update'][$master_field_md5] != $on_update)
|
|
) {
|
|
// another foreign key is already defined for this field
|
|
// or an option has been changed for ON DELETE or ON UPDATE
|
|
$drop = true;
|
|
$create = true;
|
|
} // end if... else....
|
|
} else {
|
|
// no key defined for this field(s)
|
|
$create = true;
|
|
}
|
|
} elseif (isset($existrel_foreign[$master_field_md5])) {
|
|
$drop = true;
|
|
} // end if... else....
|
|
|
|
$tmp_error_drop = false;
|
|
if ($drop) {
|
|
$drop_query = 'ALTER TABLE ' . Util::backquote($table)
|
|
. ' DROP FOREIGN KEY '
|
|
. Util::backquote(
|
|
$existrel_foreign[$master_field_md5]['constraint']
|
|
)
|
|
. ';';
|
|
|
|
if (! isset($_REQUEST['preview_sql'])) {
|
|
$display_query .= $drop_query . "\n";
|
|
$this->_dbi->tryQuery($drop_query);
|
|
$tmp_error_drop = $this->_dbi->getError();
|
|
|
|
if (! empty($tmp_error_drop)) {
|
|
$seen_error = true;
|
|
$html_output .= Util::mysqlDie(
|
|
$tmp_error_drop, $drop_query, false, '', false
|
|
);
|
|
continue;
|
|
}
|
|
} else {
|
|
$preview_sql_data .= $drop_query . "\n";
|
|
}
|
|
}
|
|
$tmp_error_create = false;
|
|
if (!$create) {
|
|
continue;
|
|
}
|
|
|
|
$create_query = $this->_getSQLToCreateForeignKey(
|
|
$table, $master_field, $foreign_db, $foreign_table, $foreign_field,
|
|
$_REQUEST['constraint_name'][$master_field_md5],
|
|
$options_array[$_REQUEST['on_delete'][$master_field_md5]],
|
|
$options_array[$_REQUEST['on_update'][$master_field_md5]]
|
|
);
|
|
|
|
if (! isset($_REQUEST['preview_sql'])) {
|
|
$display_query .= $create_query . "\n";
|
|
$this->_dbi->tryQuery($create_query);
|
|
$tmp_error_create = $this->_dbi->getError();
|
|
if (! empty($tmp_error_create)) {
|
|
$seen_error = true;
|
|
|
|
if (substr($tmp_error_create, 1, 4) == '1005') {
|
|
$message = Message::error(
|
|
__(
|
|
'Error creating foreign key on %1$s (check data ' .
|
|
'types)'
|
|
)
|
|
);
|
|
$message->addParam(implode(', ', $master_field));
|
|
$html_output .= $message->getDisplay();
|
|
} else {
|
|
$html_output .= Util::mysqlDie(
|
|
$tmp_error_create, $create_query, false, '', false
|
|
);
|
|
}
|
|
$html_output .= Util::showMySQLDocu(
|
|
'InnoDB_foreign_key_constraints'
|
|
) . "\n";
|
|
}
|
|
} else {
|
|
$preview_sql_data .= $create_query . "\n";
|
|
}
|
|
|
|
// this is an alteration and the old constraint has been dropped
|
|
// without creation of a new one
|
|
if ($drop && $create && empty($tmp_error_drop)
|
|
&& ! empty($tmp_error_create)
|
|
) {
|
|
// a rollback may be better here
|
|
$sql_query_recreate = '# Restoring the dropped constraint...' . "\n";
|
|
$sql_query_recreate .= $this->_getSQLToCreateForeignKey(
|
|
$table,
|
|
$master_field,
|
|
$existrel_foreign[$master_field_md5]['ref_db_name'],
|
|
$existrel_foreign[$master_field_md5]['ref_table_name'],
|
|
$existrel_foreign[$master_field_md5]['ref_index_list'],
|
|
$existrel_foreign[$master_field_md5]['constraint'],
|
|
$options_array[$existrel_foreign[$master_field_md5]['on_delete']],
|
|
$options_array[$existrel_foreign[$master_field_md5]['on_update']]
|
|
);
|
|
if (! isset($_REQUEST['preview_sql'])) {
|
|
$display_query .= $sql_query_recreate . "\n";
|
|
$this->_dbi->tryQuery($sql_query_recreate);
|
|
} else {
|
|
$preview_sql_data .= $sql_query_recreate;
|
|
}
|
|
}
|
|
} // end foreach
|
|
|
|
return array(
|
|
$html_output,
|
|
$preview_sql_data,
|
|
$display_query,
|
|
$seen_error
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the SQL query for foreign key constraint creation
|
|
*
|
|
* @param string $table table name
|
|
* @param array $field field names
|
|
* @param string $foreignDb foreign database name
|
|
* @param string $foreignTable foreign table name
|
|
* @param array $foreignField foreign field names
|
|
* @param string $name name of the constraint
|
|
* @param string $onDelete on delete action
|
|
* @param string $onUpdate on update action
|
|
*
|
|
* @return string SQL query for foreign key constraint creation
|
|
*/
|
|
private function _getSQLToCreateForeignKey(
|
|
$table,
|
|
$field,
|
|
$foreignDb,
|
|
$foreignTable,
|
|
$foreignField,
|
|
$name = null,
|
|
$onDelete = null,
|
|
$onUpdate = null
|
|
) {
|
|
$sql_query = 'ALTER TABLE ' . Util::backquote($table) . ' ADD ';
|
|
// if user entered a constraint name
|
|
if (! empty($name)) {
|
|
$sql_query .= ' CONSTRAINT ' . Util::backquote($name);
|
|
}
|
|
|
|
foreach ($field as $key => $one_field) {
|
|
$field[$key] = Util::backquote($one_field);
|
|
}
|
|
foreach ($foreignField as $key => $one_field) {
|
|
$foreignField[$key] = Util::backquote($one_field);
|
|
}
|
|
$sql_query .= ' FOREIGN KEY (' . implode(', ', $field) . ') REFERENCES '
|
|
. ($this->_db_name != $foreignDb
|
|
? Util::backquote($foreignDb) . '.' : '')
|
|
. Util::backquote($foreignTable)
|
|
. '(' . implode(', ', $foreignField) . ')';
|
|
|
|
if (! empty($onDelete)) {
|
|
$sql_query .= ' ON DELETE ' . $onDelete;
|
|
}
|
|
if (! empty($onUpdate)) {
|
|
$sql_query .= ' ON UPDATE ' . $onUpdate;
|
|
}
|
|
$sql_query .= ';';
|
|
|
|
return $sql_query;
|
|
}
|
|
|
|
/**
|
|
* Returns the generation expression for virtual columns
|
|
*
|
|
* @param string $column name of the column
|
|
*
|
|
* @return array|boolean associative array of column name and their expressions
|
|
* or false on failure
|
|
*/
|
|
public function getColumnGenerationExpression($column = null)
|
|
{
|
|
$serverType = Util::getServerType();
|
|
if ($serverType == 'MySQL'
|
|
&& PMA_MYSQL_INT_VERSION > 50705
|
|
&& ! $GLOBALS['cfg']['Server']['DisableIS']
|
|
) {
|
|
$sql
|
|
= "SELECT
|
|
`COLUMN_NAME` AS `Field`,
|
|
`GENERATION_EXPRESSION` AS `Expression`
|
|
FROM
|
|
`information_schema`.`COLUMNS`
|
|
WHERE
|
|
`TABLE_SCHEMA` = '" . $GLOBALS['dbi']->escapeString($this->_db_name) . "'
|
|
AND `TABLE_NAME` = '" . $GLOBALS['dbi']->escapeString($this->_name) . "'";
|
|
if ($column != null) {
|
|
$sql .= " AND `COLUMN_NAME` = '" . $GLOBALS['dbi']->escapeString($column)
|
|
. "'";
|
|
}
|
|
$columns = $this->_dbi->fetchResult($sql, 'Field', 'Expression');
|
|
return $columns;
|
|
}
|
|
|
|
$createTable = $this->showCreate();
|
|
if (!$createTable) {
|
|
return false;
|
|
}
|
|
|
|
$parser = new Parser($createTable);
|
|
/**
|
|
* @var \PhpMyAdmin\SqlParser\Statements\CreateStatement $stmt
|
|
*/
|
|
$stmt = $parser->statements[0];
|
|
$fields = \PhpMyAdmin\SqlParser\Utils\Table::getFields($stmt);
|
|
if ($column != null) {
|
|
$expression = isset($fields[$column]['expr']) ?
|
|
substr($fields[$column]['expr'], 1, -1) : '';
|
|
return array($column => $expression);
|
|
}
|
|
|
|
$ret = array();
|
|
foreach ($fields as $field => $options) {
|
|
if (isset($options['expr'])) {
|
|
$ret[$field] = substr($options['expr'], 1, -1);
|
|
}
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Returns the CREATE statement for this table
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function showCreate()
|
|
{
|
|
return $this->_dbi->fetchValue(
|
|
'SHOW CREATE TABLE ' . Util::backquote($this->_db_name) . '.'
|
|
. Util::backquote($this->_name),
|
|
0, 1
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the real row count for a table
|
|
*
|
|
* @return number
|
|
*/
|
|
public function getRealRowCountTable()
|
|
{
|
|
// SQL query to get row count for a table.
|
|
$result = $this->_dbi->fetchSingleRow(
|
|
sprintf(
|
|
'SELECT COUNT(*) AS %s FROM %s.%s',
|
|
Util::backquote('row_count'),
|
|
Util::backquote($this->_db_name),
|
|
Util::backquote($this->_name)
|
|
)
|
|
);
|
|
return $result['row_count'];
|
|
}
|
|
|
|
/**
|
|
* Get columns with indexes
|
|
*
|
|
* @param int $types types bitmask
|
|
*
|
|
* @return array an array of columns
|
|
*/
|
|
public function getColumnsWithIndex($types)
|
|
{
|
|
$columns_with_index = array();
|
|
foreach (
|
|
Index::getFromTableByChoice(
|
|
$this->_name,
|
|
$this->_db_name,
|
|
$types
|
|
) as $index
|
|
) {
|
|
$columns = $index->getColumns();
|
|
foreach ($columns as $column_name => $dummy) {
|
|
$columns_with_index[] = $column_name;
|
|
}
|
|
}
|
|
return $columns_with_index;
|
|
}
|
|
}
|