2848 lines
96 KiB
PHP
2848 lines
96 KiB
PHP
<?php
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declare(strict_types=1);
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namespace PhpMyAdmin;
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use PhpMyAdmin\Html\Generator;
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use PhpMyAdmin\Html\MySQLDocumentation;
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use PhpMyAdmin\Plugins\Export\ExportSql;
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use PhpMyAdmin\Query\Generator as QueryGenerator;
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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\AlterStatement;
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use PhpMyAdmin\SqlParser\Statements\CreateStatement;
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use PhpMyAdmin\SqlParser\Statements\DropStatement;
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use PhpMyAdmin\SqlParser\Utils\Table as TableUtils;
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use const E_USER_WARNING;
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use function array_key_exists;
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use function array_map;
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use function count;
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use function end;
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use function explode;
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use function htmlspecialchars;
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use function implode;
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use function in_array;
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use function is_array;
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use function json_decode;
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use function json_encode;
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use function mb_stripos;
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use function mb_strlen;
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use function mb_substr;
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use function preg_match;
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use function preg_replace;
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use function rtrim;
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use function sprintf;
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use function str_replace;
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use function stripos;
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use function strlen;
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use function strpos;
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use function strtolower;
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use function strtoupper;
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use function substr;
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use function substr_compare;
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use function trigger_error;
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use function trim;
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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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*/
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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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public const PROP_SORTED_COLUMN = 'sorted_col';
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public const PROP_COLUMN_ORDER = 'col_order';
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public const PROP_COLUMN_VISIB = 'col_visib';
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/** @var string engine (innodb, myisam, bdb, ...) */
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public $engine = '';
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/** @var string type (view, base table, system view) */
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public $type = '';
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/** @var array UI preferences */
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public $uiprefs;
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/** @var array errors occurred */
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public $errors = [];
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/** @var array messages */
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public $messages = [];
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/** @var string table name */
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protected $name = '';
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/** @var string database name */
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protected $dbName = '';
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/** @var DatabaseInterface */
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protected $dbi;
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/** @var Relation */
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private $relation;
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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|null $dbi database interface for the table
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*/
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public function __construct($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->dbName = $db_name;
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$this->relation = new Relation($this->dbi);
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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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*
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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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* Table getter
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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|null $dbi database interface for the table
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*
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* @return Table
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*/
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public static function get($table_name, $db_name, ?DatabaseInterface $dbi = null)
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{
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return new Table($table_name, $db_name, $dbi);
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}
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/**
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* return the last error
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*
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* @return string the last error
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*/
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public function getLastError()
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{
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return end($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 bool $backquoted whether to quote name with backticks ``
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*
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* @return string table name
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*/
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public function getName($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 bool $backquoted whether to quote name with backticks ``
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*
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* @return string database name for this table
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*/
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public function getDbName($backquoted = false)
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{
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if ($backquoted) {
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return Util::backquote($this->dbName);
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}
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return $this->dbName;
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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 bool $backquoted whether to quote name with backticks ``
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*
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* @return string
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*/
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public function getFullName($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|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 = $this->getStorageEngine();
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if (is_array($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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}
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return $tbl_storage_engine == $engine;
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}
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/**
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* returns whether the table is actually a view
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*
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* @return bool whether the given is a view
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*/
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public function isView()
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{
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$db = $this->dbName;
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$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->getCache()->getCachedTableContent([$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 = \'' . $this->dbi->escapeString((string) $db) . '\''
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. ' AND TABLE_NAME = \'' . $this->dbi->escapeString((string) $table) . '\''
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);
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return (bool) $result;
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}
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/**
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* Returns whether the table is actually an updatable view
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*
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* @return bool whether the given is an updatable view
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*/
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public function isUpdatableView()
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{
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if (empty($this->dbName) || 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 = \'' . $this->dbi->escapeString($this->dbName) . '\''
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. ' AND TABLE_NAME = \'' . $this->dbi->escapeString($this->name) . '\''
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. ' AND IS_UPDATABLE = \'YES\''
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);
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return (bool) $result;
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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 bool 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(['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 bool $force_read read new rather than serving from cache
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* @param bool $disable_error if true, disables error message
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*
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* @return mixed
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*
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* @todo DatabaseInterface::getTablesFull needs to be merged
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* somehow into this class or at least better documented
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*/
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public function getStatusInfo(
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$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 = $this->dbName;
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$table = $this->name;
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if (! empty($_SESSION['is_multi_query'])) {
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$disable_error = true;
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}
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$cachedResult = $this->dbi->getCache()->getCachedTableContent([$db, $table]);
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// sometimes there is only one entry (ExactRows) so
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// we have to get the table's details
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if ($cachedResult === null
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|| $force_read
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|| count($cachedResult) === 1
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) {
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$this->dbi->getTablesFull($db, $table);
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$cachedResult = $this->dbi->getCache()->getCachedTableContent([$db, $table]);
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}
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if ($cachedResult === 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 $table === 'TABLE_NAMES' after the user tried SHOW TABLES
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return '';
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}
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if ($info === null) {
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return $cachedResult;
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}
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// array_key_exists allows for null values
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if (! array_key_exists(
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$info,
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$cachedResult
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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 $this->dbi->getCache()->getCachedTableContent([$db, $table, $info]);
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}
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/**
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* Returns the Table storage Engine for current table.
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*
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* @return string Return storage engine info if it is set for
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* the selected table else return blank.
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*/
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public function getStorageEngine(): string
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{
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$table_storage_engine = $this->getStatusInfo('ENGINE', false, true);
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if ($table_storage_engine === false) {
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return '';
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}
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return strtoupper((string) $table_storage_engine);
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}
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/**
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* Returns the comments for current table.
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*
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* @return string Return comment info if it is set for the selected table or return blank.
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*/
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public function getComment()
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{
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$table_comment = $this->getStatusInfo('TABLE_COMMENT', false, true);
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if ($table_comment === false) {
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return '';
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}
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return $table_comment;
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}
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/**
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* Returns the collation for current table.
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*
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* @return string Return blank if collation is empty else return the collation info from table info.
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*/
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public function getCollation()
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{
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$table_collation = $this->getStatusInfo('TABLE_COLLATION', false, true);
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if ($table_collation === false) {
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return '';
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}
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return $table_collation;
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}
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/**
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* Returns the info about no of rows for current table.
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*
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* @return int Return no of rows info if it is not null for the selected table or return 0.
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*/
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public function getNumRows()
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{
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$table_num_row_info = $this->getStatusInfo('TABLE_ROWS', false, true);
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if ($table_num_row_info === false) {
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$table_num_row_info = $this->dbi->getTable($this->dbName, $GLOBALS['showtable']['Name'])
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->countRecords(true);
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}
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return $table_num_row_info ?: 0;
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}
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/**
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* Returns the Row format for current table.
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*
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* @return string Return table row format info if it is set for the selected table or return blank.
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*/
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public function getRowFormat()
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{
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$table_row_format = $this->getStatusInfo('ROW_FORMAT', false, true);
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if ($table_row_format === false) {
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return '';
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}
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return $table_row_format;
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}
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/**
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* Returns the auto increment option for current table.
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*
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* @return int Return auto increment info if it is set for the selected table or return blank.
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*/
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public function getAutoIncrement()
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{
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$table_auto_increment = $this->getStatusInfo('AUTO_INCREMENT', false, true);
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return $table_auto_increment ?? '';
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}
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/**
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* Returns the array for CREATE statement for current table.
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*
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* @return array Return options array info if it is set for the selected table or return blank.
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*/
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public function getCreateOptions()
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{
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$table_options = $this->getStatusInfo('CREATE_OPTIONS', false, true);
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$create_options_tmp = empty($table_options) ? [] : explode(' ', $table_options);
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$create_options = [];
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// export create options by its name as variables into global namespace
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// f.e. pack_keys=1 becomes available as $pack_keys with value of '1'
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// unset($pack_keys);
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foreach ($create_options_tmp as $each_create_option) {
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$each_create_option = explode('=', $each_create_option);
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if (! isset($each_create_option[1])) {
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continue;
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}
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// ensure there is no ambiguity for PHP 5 and 7
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$create_options[$each_create_option[0]] = $each_create_option[1];
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}
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// we need explicit DEFAULT value here (different from '0')
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$hasPackKeys = isset($create_options['pack_keys']) && strlen($create_options['pack_keys']) > 0;
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$create_options['pack_keys'] = $hasPackKeys ? $create_options['pack_keys'] : 'DEFAULT';
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return $create_options;
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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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* @param array $columns_with_index Fields having PRIMARY or UNIQUE KEY indexes
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* @param string $oldColumnName Old column name
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*
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* @return string field specification
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*
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* @todo move into class PMA_Column
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* @todo on the interface, some js to clear the default value when the
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* default current_timestamp is checked
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*/
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public static function generateFieldSpec(
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$name,
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$type,
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$length = '',
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$attribute = '',
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$collation = '',
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$null = false,
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$default_type = 'USER_DEFINED',
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$default_value = '',
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$extra = '',
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$comment = '',
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$virtuality = '',
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$expression = '',
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$move_to = '',
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$columns_with_index = null,
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$oldColumnName = null
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) {
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global $dbi;
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$is_timestamp = mb_stripos($type, 'TIMESTAMP') !== false;
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$query = Util::backquote($name) . ' ' . $type;
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// allow the possibility of a length for TIME, DATETIME and TIMESTAMP
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// (will work on MySQL >= 5.6.4)
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//
|
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// MySQL permits a non-standard syntax for FLOAT and DOUBLE,
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// see https://dev.mysql.com/doc/refman/5.5/en/floating-point-types.html
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$pattern = '@^(DATE|TINYBLOB|TINYTEXT|BLOB|TEXT|'
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. 'MEDIUMBLOB|MEDIUMTEXT|LONGBLOB|LONGTEXT|SERIAL|BOOLEAN|UUID|JSON)$@i';
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if (strlen($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 .= ' ' . $attribute;
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|
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if ($is_timestamp
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&& stripos($attribute, 'TIMESTAMP') !== false
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&& strlen($length) !== 0
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&& $length !== 0
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) {
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$query .= '(' . $length . ')';
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}
|
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}
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|
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// if column is virtual, check if server type is Mysql as only Mysql server
|
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// supports extra column properties
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$isVirtualColMysql = $virtuality && in_array(Util::getServerType(), ['MySQL', 'Percona Server']);
|
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// if column is virtual, check if server type is MariaDB as MariaDB server
|
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// supports no extra virtual column properties except CHARACTER SET for text column types
|
|
$isVirtualColMariaDB = $virtuality && Util::getServerType() === 'MariaDB';
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|
|
|
$matches = preg_match(
|
|
'@^(TINYTEXT|TEXT|MEDIUMTEXT|LONGTEXT|VARCHAR|CHAR|ENUM|SET)$@i',
|
|
$type
|
|
);
|
|
if (! empty($collation) && $collation !== 'NULL' && $matches) {
|
|
$query .= Util::getCharsetQueryPart(
|
|
$isVirtualColMariaDB ? (string) preg_replace('~_.+~s', '', $collation) : $collation,
|
|
true
|
|
);
|
|
}
|
|
|
|
if ($virtuality) {
|
|
$query .= ' AS (' . $expression . ') ' . $virtuality;
|
|
}
|
|
|
|
if (! $virtuality || $isVirtualColMysql) {
|
|
if ($null !== false) {
|
|
if ($null === 'YES') {
|
|
$query .= ' NULL';
|
|
} else {
|
|
$query .= ' NOT NULL';
|
|
}
|
|
}
|
|
|
|
if (! $virtuality) {
|
|
switch ($default_type) {
|
|
case 'USER_DEFINED':
|
|
if ($is_timestamp && $default_value === '0') {
|
|
// a TIMESTAMP does not accept DEFAULT '0'
|
|
// but DEFAULT 0 works
|
|
$query .= ' DEFAULT 0';
|
|
} elseif ($is_timestamp
|
|
&& preg_match(
|
|
'/^\'\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d(\.\d{1,6})?\'$/',
|
|
(string) $default_value
|
|
)
|
|
) {
|
|
$query .= ' DEFAULT ' . (string) $default_value;
|
|
} elseif ($type === 'BIT') {
|
|
$query .= ' DEFAULT b\''
|
|
. preg_replace('/[^01]/', '0', (string) $default_value)
|
|
. '\'';
|
|
} elseif ($type === 'BOOLEAN') {
|
|
if (preg_match('/^1|T|TRUE|YES$/i', (string) $default_value)) {
|
|
$query .= ' DEFAULT TRUE';
|
|
} elseif (preg_match('/^0|F|FALSE|NO$/i', $default_value)) {
|
|
$query .= ' DEFAULT FALSE';
|
|
} else {
|
|
// Invalid BOOLEAN value
|
|
$query .= ' DEFAULT \''
|
|
. $dbi->escapeString($default_value) . '\'';
|
|
}
|
|
} elseif ($type === 'BINARY' || $type === 'VARBINARY') {
|
|
$query .= ' DEFAULT 0x' . $default_value;
|
|
} else {
|
|
$query .= ' DEFAULT \''
|
|
. $dbi->escapeString((string) $default_value) . '\'';
|
|
}
|
|
break;
|
|
/** @noinspection PhpMissingBreakStatementInspection */
|
|
case 'NULL':
|
|
// If user uncheck null checkbox and not change default value null,
|
|
// default value will be ignored.
|
|
if ($null !== false && $null !== 'YES') {
|
|
break;
|
|
}
|
|
// else fall-through intended, no break here
|
|
case 'CURRENT_TIMESTAMP':
|
|
case 'current_timestamp()':
|
|
$query .= ' DEFAULT ' . $default_type;
|
|
|
|
if (strlen($length) !== 0
|
|
&& $length !== 0
|
|
&& $is_timestamp
|
|
&& $default_type !== 'NULL' // Not to be added in case of NULL
|
|
) {
|
|
$query .= '(' . $length . ')';
|
|
}
|
|
break;
|
|
case 'NONE':
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (! empty($extra)) {
|
|
if ($virtuality) {
|
|
$extra = trim((string) preg_replace('~^\s*AUTO_INCREMENT\s*~is', ' ', $extra));
|
|
}
|
|
|
|
$query .= ' ' . $extra;
|
|
}
|
|
}
|
|
|
|
if (! empty($comment)) {
|
|
$query .= " COMMENT '" . $dbi->escapeString($comment) . "'";
|
|
}
|
|
|
|
// move column
|
|
if ($move_to === '-first') { // dash can't appear as part of column name
|
|
$query .= ' FIRST';
|
|
} elseif ($move_to != '') {
|
|
$query .= ' AFTER ' . Util::backquote($move_to);
|
|
}
|
|
if (! $virtuality && ! empty($extra)) {
|
|
if ($oldColumnName === null) {
|
|
if (is_array($columns_with_index) && ! in_array($name, $columns_with_index)) {
|
|
$query .= ', add PRIMARY KEY (' . Util::backquote($name) . ')';
|
|
}
|
|
} else {
|
|
if (is_array($columns_with_index) && ! in_array($oldColumnName, $columns_with_index)) {
|
|
$query .= ', add PRIMARY KEY (' . Util::backquote($name) . ')';
|
|
}
|
|
}
|
|
}
|
|
|
|
return $query;
|
|
}
|
|
|
|
/**
|
|
* Checks if the number of records in a table is at least equal to
|
|
* $min_records
|
|
*
|
|
* @param int $min_records Number of records to check for in a table
|
|
*
|
|
* @return bool True, if at least $min_records exist, False otherwise.
|
|
*/
|
|
public function checkIfMinRecordsExist($min_records = 0)
|
|
{
|
|
$check_query = 'SELECT ';
|
|
$fieldsToSelect = '';
|
|
|
|
$uniqueFields = $this->getUniqueColumns(true, false);
|
|
if (count($uniqueFields) > 0) {
|
|
$fieldsToSelect = implode(', ', $uniqueFields);
|
|
} else {
|
|
$indexedCols = $this->getIndexedColumns(true, false);
|
|
if (count($indexedCols) > 0) {
|
|
$fieldsToSelect = implode(', ', $indexedCols);
|
|
} else {
|
|
$fieldsToSelect = '*';
|
|
}
|
|
}
|
|
|
|
$check_query .= $fieldsToSelect
|
|
. ' FROM ' . $this->getFullName(true)
|
|
. ' LIMIT ' . $min_records;
|
|
|
|
$res = $this->dbi->tryQuery(
|
|
$check_query
|
|
);
|
|
|
|
if ($res !== false) {
|
|
$num_records = $this->dbi->numRows($res);
|
|
if ($num_records >= $min_records) {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Counts and returns (or displays) the number of records in a table
|
|
*
|
|
* @param bool $force_exact whether to force an exact count
|
|
*
|
|
* @return mixed the number of records if "retain" param is true,
|
|
* otherwise true
|
|
*/
|
|
public function countRecords($force_exact = false)
|
|
{
|
|
$is_view = $this->isView();
|
|
$db = $this->dbName;
|
|
$table = $this->name;
|
|
|
|
if ($this->dbi->getCache()->getCachedTableContent([$db, $table, 'ExactRows']) != null) {
|
|
return $this->dbi->getCache()->getCachedTableContent(
|
|
[
|
|
$db,
|
|
$table,
|
|
'ExactRows',
|
|
]
|
|
);
|
|
}
|
|
$row_count = false;
|
|
|
|
if (! $force_exact) {
|
|
if (($this->dbi->getCache()->getCachedTableContent([$db, $table, 'Rows']) == null)
|
|
&& ! $is_view
|
|
) {
|
|
$tmp_tables = $this->dbi->getTablesFull($db, $table);
|
|
if (isset($tmp_tables[$table])) {
|
|
$this->dbi->getCache()->cacheTableContent(
|
|
[
|
|
$db,
|
|
$table,
|
|
],
|
|
$tmp_tables[$table]
|
|
);
|
|
}
|
|
}
|
|
if ($this->dbi->getCache()->getCachedTableContent([$db, $table, 'Rows']) != null) {
|
|
$row_count = $this->dbi->getCache()->getCachedTableContent(
|
|
[
|
|
$db,
|
|
$table,
|
|
'Rows',
|
|
]
|
|
);
|
|
} else {
|
|
$row_count = false;
|
|
}
|
|
}
|
|
// for a VIEW, $row_count is always false at this point
|
|
if ($row_count !== false
|
|
&& $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'],
|
|
DatabaseInterface::CONNECT_USER,
|
|
DatabaseInterface::QUERY_STORE
|
|
);
|
|
if (! $this->dbi->getError()) {
|
|
$row_count = $this->dbi->numRows($result);
|
|
$this->dbi->freeResult($result);
|
|
}
|
|
}
|
|
}
|
|
if ($row_count) {
|
|
$this->dbi->getCache()->cacheTableContent([$db, $table, 'ExactRows'], $row_count);
|
|
}
|
|
|
|
return $row_count;
|
|
}
|
|
|
|
/**
|
|
* Generates column specification for ALTER syntax
|
|
*
|
|
* @see Table::generateFieldSpec()
|
|
*
|
|
* @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
|
|
* @param array $columns_with_index Fields having PRIMARY or UNIQUE KEY indexes
|
|
*
|
|
* @return string field specification
|
|
*/
|
|
public static function generateAlter(
|
|
$oldcol,
|
|
$newcol,
|
|
$type,
|
|
$length,
|
|
$attribute,
|
|
$collation,
|
|
$null,
|
|
$default_type,
|
|
$default_value,
|
|
$extra,
|
|
$comment,
|
|
$virtuality,
|
|
$expression,
|
|
$move_to,
|
|
$columns_with_index = null
|
|
) {
|
|
return Util::backquote($oldcol) . ' '
|
|
. self::generateFieldSpec(
|
|
$newcol,
|
|
$type,
|
|
$length,
|
|
$attribute,
|
|
$collation,
|
|
$null,
|
|
$default_type,
|
|
$default_value,
|
|
$extra,
|
|
$comment,
|
|
$virtuality,
|
|
$expression,
|
|
$move_to,
|
|
$columns_with_index,
|
|
$oldcol
|
|
);
|
|
}
|
|
|
|
/**
|
|
* 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'))
|
|
*
|
|
* @return int|bool
|
|
*/
|
|
public static function duplicateInfo(
|
|
$work,
|
|
$pma_table,
|
|
array $get_fields,
|
|
array $where_fields,
|
|
array $new_fields
|
|
) {
|
|
global $dbi;
|
|
|
|
$relation = new Relation($dbi);
|
|
$last_id = -1;
|
|
|
|
if (! isset($GLOBALS['cfgRelation']) || ! $GLOBALS['cfgRelation'][$work]) {
|
|
return true;
|
|
}
|
|
|
|
$select_parts = [];
|
|
$row_fields = [];
|
|
foreach ($get_fields as $get_field) {
|
|
$select_parts[] = Util::backquote($get_field);
|
|
$row_fields[$get_field] = 'cc';
|
|
}
|
|
|
|
$where_parts = [];
|
|
foreach ($where_fields as $_where => $_value) {
|
|
$where_parts[] = Util::backquote($_where) . ' = \''
|
|
. $dbi->escapeString((string) $_value) . '\'';
|
|
}
|
|
|
|
$new_parts = [];
|
|
$new_value_parts = [];
|
|
foreach ($new_fields as $_where => $_value) {
|
|
$new_parts[] = Util::backquote($_where);
|
|
$new_value_parts[] = $dbi->escapeString((string) $_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 = $relation->queryAsControlUser(
|
|
$table_copy_query,
|
|
true,
|
|
DatabaseInterface::QUERY_STORE
|
|
);
|
|
|
|
while ($table_copy_row = @$dbi->fetchAssoc($table_copy_rs)) {
|
|
$value_parts = [];
|
|
foreach ($table_copy_row as $_key => $_val) {
|
|
if (! isset($row_fields[$_key]) || $row_fields[$_key] != 'cc') {
|
|
continue;
|
|
}
|
|
|
|
$value_parts[] = $dbi->escapeString($_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) . '\')';
|
|
|
|
$relation->queryAsControlUser($new_table_query);
|
|
$last_id = $dbi->insertId();
|
|
}
|
|
|
|
$dbi->freeResult($table_copy_rs);
|
|
|
|
return $last_id;
|
|
}
|
|
|
|
/**
|
|
* Copies or renames table
|
|
*
|
|
* @param string $source_db source database
|
|
* @param string $source_table source table
|
|
* @param string|null $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
|
|
*/
|
|
public static function moveCopy(
|
|
$source_db,
|
|
$source_table,
|
|
?string $target_db,
|
|
$target_table,
|
|
$what,
|
|
$move,
|
|
$mode
|
|
) {
|
|
global $err_url, $dbi;
|
|
|
|
$relation = new Relation($dbi);
|
|
|
|
// 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((string) $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.
|
|
$dbi->selectDb($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') {
|
|
/**
|
|
* Instance used for exporting the current structure of the table.
|
|
*
|
|
* @var ExportSql $export_sql_plugin
|
|
*/
|
|
$export_sql_plugin = Plugins::getPlugin(
|
|
'export',
|
|
'sql',
|
|
'libraries/classes/Plugins/Export/',
|
|
[
|
|
'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(
|
|
$dbi->fetchValue('SELECT @@sql_mode')
|
|
);
|
|
|
|
// -----------------------------------------------------------------
|
|
// Phase 1: Dropping existent element of the same name (if exists
|
|
// and required).
|
|
|
|
if (isset($_POST['drop_if_exists'])
|
|
&& $_POST['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(
|
|
[
|
|
$tbl->isView() ? 'VIEW' : 'TABLE',
|
|
'IF EXISTS',
|
|
]
|
|
);
|
|
|
|
$statement->fields = [$destination];
|
|
|
|
// Building the query.
|
|
$drop_query = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
$dbi->query($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 CreateStatement $statement
|
|
*/
|
|
$statement = $parser->statements[0];
|
|
|
|
// Changing the destination.
|
|
$statement->name = $destination;
|
|
|
|
// Building back the query.
|
|
$sql_structure = $statement->build() . ';';
|
|
|
|
// This is to avoid some issues when renaming databases with views
|
|
// See: https://github.com/phpmyadmin/phpmyadmin/issues/16422
|
|
if ($move) {
|
|
$dbi->selectDb($target_db);
|
|
}
|
|
|
|
// Executing it
|
|
$dbi->query($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 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')) {
|
|
continue;
|
|
}
|
|
|
|
$altered->field = null;
|
|
}
|
|
|
|
// Building back the query.
|
|
$GLOBALS['sql_constraints_query'] = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
if ($mode === 'one_table') {
|
|
$dbi->query($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 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')) {
|
|
continue;
|
|
}
|
|
|
|
$altered->field = null;
|
|
}
|
|
|
|
// Building back the query.
|
|
$sql_index = $statement->build() . ';';
|
|
|
|
// Executing it.
|
|
if ($mode === 'one_table' || $mode === 'db_copy') {
|
|
$dbi->query($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 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.
|
|
$dbi->query($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'";
|
|
$dbi->query($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;
|
|
|
|
$dbi->query($sql_insert_data);
|
|
$GLOBALS['sql_query'] .= "\n\n" . $sql_insert_data . ';';
|
|
}
|
|
}
|
|
|
|
$relation->getRelationsParam();
|
|
|
|
// Drops old table if the user has requested to move it
|
|
if ($move) {
|
|
// This could avoid some problems with replicated databases, when
|
|
// moving table from replicated one to not replicated one
|
|
$dbi->selectDb($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;
|
|
$dbi->query($sql_drop_query);
|
|
|
|
// Rename table in configuration storage
|
|
$relation->renameTable(
|
|
$source_db,
|
|
$target_db,
|
|
$source_table,
|
|
$target_table
|
|
);
|
|
|
|
$GLOBALS['sql_query'] .= "\n\n" . $sql_drop_query . ';';
|
|
|
|
return true;
|
|
}
|
|
|
|
// we are copying
|
|
// Create new entries as duplicates from old PMA DBs
|
|
if ($what === 'dataonly' || isset($maintain_relations)) {
|
|
return true;
|
|
}
|
|
|
|
if ($GLOBALS['cfgRelation']['commwork']) {
|
|
// Get all comments and MIME-Types for current table
|
|
$comments_copy_rs = $relation->queryAsControlUser(
|
|
'SELECT column_name, comment'
|
|
. ($GLOBALS['cfgRelation']['mimework']
|
|
? ', mimetype, transformation, transformation_options'
|
|
: '')
|
|
. ' FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.'
|
|
. Util::backquote($GLOBALS['cfgRelation']['column_info'])
|
|
. ' WHERE '
|
|
. ' db_name = \''
|
|
. $dbi->escapeString($source_db) . '\''
|
|
. ' AND '
|
|
. ' table_name = \''
|
|
. $dbi->escapeString((string) $source_table) . '\''
|
|
);
|
|
|
|
// Write every comment as new copied entry. [MIME]
|
|
while ($comments_copy_row = $dbi->fetchAssoc($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(\'' . $dbi->escapeString($target_db)
|
|
. '\',\'' . $dbi->escapeString($target_table) . '\',\''
|
|
. $dbi->escapeString($comments_copy_row['column_name'])
|
|
. '\',\''
|
|
. $dbi->escapeString($comments_copy_row['comment'])
|
|
. '\''
|
|
. ($GLOBALS['cfgRelation']['mimework']
|
|
? ',\'' . $dbi->escapeString(
|
|
$comments_copy_row['mimetype']
|
|
)
|
|
. '\',\'' . $dbi->escapeString(
|
|
$comments_copy_row['transformation']
|
|
)
|
|
. '\',\'' . $dbi->escapeString(
|
|
$comments_copy_row['transformation_options']
|
|
)
|
|
. '\''
|
|
: '')
|
|
. ')';
|
|
$relation->queryAsControlUser($new_comment_query);
|
|
}
|
|
$dbi->freeResult($comments_copy_rs);
|
|
unset($comments_copy_rs);
|
|
}
|
|
|
|
// duplicating the bookmarks must not be done here, but
|
|
// just once per db
|
|
|
|
$get_fields = ['display_field'];
|
|
$where_fields = [
|
|
'db_name' => $source_db,
|
|
'table_name' => $source_table,
|
|
];
|
|
$new_fields = [
|
|
'db_name' => $target_db,
|
|
'table_name' => $target_table,
|
|
];
|
|
self::duplicateInfo(
|
|
'displaywork',
|
|
'table_info',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
/**
|
|
* @todo revise this code when we support cross-db relations
|
|
*/
|
|
$get_fields = [
|
|
'master_field',
|
|
'foreign_table',
|
|
'foreign_field',
|
|
];
|
|
$where_fields = [
|
|
'master_db' => $source_db,
|
|
'master_table' => $source_table,
|
|
];
|
|
$new_fields = [
|
|
'master_db' => $target_db,
|
|
'foreign_db' => $target_db,
|
|
'master_table' => $target_table,
|
|
];
|
|
self::duplicateInfo(
|
|
'relwork',
|
|
'relation',
|
|
$get_fields,
|
|
$where_fields,
|
|
$new_fields
|
|
);
|
|
|
|
$get_fields = [
|
|
'foreign_field',
|
|
'master_table',
|
|
'master_field',
|
|
];
|
|
$where_fields = [
|
|
'foreign_db' => $source_db,
|
|
'foreign_table' => $source_table,
|
|
];
|
|
$new_fields = [
|
|
'master_db' => $target_db,
|
|
'foreign_db' => $target_db,
|
|
'foreign_table' => $target_table,
|
|
];
|
|
self::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 = self::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
|
|
);
|
|
self::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 '\'
|
|
*
|
|
* @see https://dev.mysql.com/doc/refman/5.0/en/legal-names.html
|
|
*
|
|
* @param string $table_name name to check
|
|
* @param bool $is_backquoted whether this name is used inside backquotes or not
|
|
*
|
|
* @return bool whether the string is valid or not
|
|
*
|
|
* @todo add check for valid chars in filename on current system/os
|
|
*/
|
|
public static function isValidName($table_name, $is_backquoted = false)
|
|
{
|
|
if ($table_name !== rtrim((string) $table_name)) {
|
|
// trailing spaces not allowed even in backquotes
|
|
return false;
|
|
}
|
|
|
|
if (strlen($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;
|
|
}
|
|
|
|
// If backquoted, all characters should be allowed (except w/ trailing spaces).
|
|
return $is_backquoted;
|
|
}
|
|
|
|
/**
|
|
* renames table
|
|
*
|
|
* @param string $new_name new table name
|
|
* @param string $new_db new database name
|
|
*
|
|
* @return bool success
|
|
*/
|
|
public function rename($new_name, $new_db = null)
|
|
{
|
|
if ($this->dbi->getLowerCaseNames() === '1') {
|
|
$new_name = strtolower($new_name);
|
|
}
|
|
|
|
if ($new_db !== null && $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 $backquoted in getting the fullName of table
|
|
// below to be used in the query
|
|
if (! self::isValidName($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->dbName = $new_db;
|
|
|
|
// Rename table in configuration storage
|
|
$this->relation->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 = QueryGenerator::getTableIndexesSql(
|
|
$this->getDbName(),
|
|
$this->getName(),
|
|
'Non_unique = 0'
|
|
);
|
|
$uniques = $this->dbi->fetchResult(
|
|
$sql,
|
|
[
|
|
'Key_name',
|
|
null,
|
|
],
|
|
'Column_name'
|
|
);
|
|
|
|
$return = [];
|
|
foreach ($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)) {
|
|
continue;
|
|
}
|
|
|
|
$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(array $indexed, $backquoted, $fullName)
|
|
{
|
|
$return = [];
|
|
foreach ($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 = QueryGenerator::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->dbName),
|
|
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);
|
|
}
|
|
|
|
// unsure how to reproduce but it was seen on the reporting server
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* 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 = [];
|
|
|
|
$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 contains GENERATED or VIRTUAL and does not contain DEFAULT_GENERATED
|
|
if ((
|
|
strpos($column['Extra'], 'GENERATED') !== false
|
|
|| strpos($column['Extra'], 'VIRTUAL') !== false
|
|
) && strpos($column['Extra'], 'DEFAULT_GENERATED') === false
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
$ret[] = $value;
|
|
}
|
|
}
|
|
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Return UI preferences for this table from phpMyAdmin database.
|
|
*
|
|
* @return array
|
|
*/
|
|
protected function getUiPrefsFromDb()
|
|
{
|
|
$cfgRelation = $this->relation->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` = '" . $this->dbi->escapeString($GLOBALS['cfg']['Server']['user']) . "'"
|
|
. " AND `db_name` = '" . $this->dbi->escapeString($this->dbName) . "'"
|
|
. " AND `table_name` = '" . $this->dbi->escapeString($this->name) . "'";
|
|
|
|
$row = $this->dbi->fetchArray($this->relation->queryAsControlUser($sql_query));
|
|
if (isset($row[0])) {
|
|
return json_decode($row[0], true);
|
|
}
|
|
|
|
return [];
|
|
}
|
|
|
|
/**
|
|
* Save this table's UI preferences into phpMyAdmin database.
|
|
*
|
|
* @return true|Message
|
|
*/
|
|
protected function saveUiPrefsToDb()
|
|
{
|
|
$cfgRelation = $this->relation->getRelationsParam();
|
|
$pma_table = Util::backquote($cfgRelation['db']) . '.'
|
|
. Util::backquote($cfgRelation['table_uiprefs']);
|
|
|
|
$secureDbName = $this->dbi->escapeString($this->dbName);
|
|
|
|
$username = $GLOBALS['cfg']['Server']['user'];
|
|
$sql_query = ' REPLACE INTO ' . $pma_table
|
|
. " (username, db_name, table_name, prefs) VALUES ('"
|
|
. $this->dbi->escapeString($username) . "', '" . $secureDbName
|
|
. "', '" . $this->dbi->escapeString($this->name) . "', '"
|
|
. $this->dbi->escapeString(json_encode($this->uiprefs)) . "')";
|
|
|
|
$success = $this->dbi->tryQuery($sql_query, DatabaseInterface::CONNECT_CONTROL);
|
|
|
|
if (! $success) {
|
|
$message = Message::error(
|
|
__('Could not save table UI preferences!')
|
|
);
|
|
$message->addMessage(
|
|
Message::rawError(
|
|
(string) $this->dbi->getError(DatabaseInterface::CONNECT_CONTROL)
|
|
),
|
|
'<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,
|
|
DatabaseInterface::CONNECT_CONTROL
|
|
);
|
|
|
|
if (! $success) {
|
|
$message = Message::error(
|
|
sprintf(
|
|
__(
|
|
'Failed to cleanup table UI preferences (see ' .
|
|
'$cfg[\'Servers\'][$i][\'MaxTableUiprefs\'] %s)'
|
|
),
|
|
MySQLDocumentation::showDocumentation('config', 'cfg_Servers_MaxTableUiprefs')
|
|
)
|
|
);
|
|
$message->addMessage(
|
|
Message::rawError(
|
|
(string) $this->dbi->getError(DatabaseInterface::CONNECT_CONTROL)
|
|
),
|
|
'<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 = $this->relation->getRelationsParam();
|
|
$server_id = $GLOBALS['server'];
|
|
|
|
// set session variable if it's still undefined
|
|
if (! isset($_SESSION['tmpval']['table_uiprefs'][$server_id][$this->dbName][$this->name])) {
|
|
// check whether we can get from pmadb
|
|
$uiPrefs = $cfgRelation['uiprefswork'] ? $this->getUiPrefsFromDb() : [];
|
|
$_SESSION['tmpval']['table_uiprefs'][$server_id][$this->dbName][$this->name] = $uiPrefs;
|
|
}
|
|
$this->uiprefs =& $_SESSION['tmpval']['table_uiprefs'][$server_id][$this->dbName][$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($_POST['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
|
|
$this->removeUiProp($property);
|
|
|
|
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 array_map('intval', $this->uiprefs[$property]);
|
|
}
|
|
|
|
// remove the property, since the table has been modified
|
|
$this->removeUiProp($property);
|
|
|
|
return false;
|
|
}
|
|
|
|
// default behaviour for other property:
|
|
return $this->uiprefs[$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 $table_create_time Needed for PROP_COLUMN_ORDER
|
|
* and PROP_COLUMN_VISIB
|
|
*
|
|
* @return bool|Message
|
|
*/
|
|
public function setUiProp($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
|
|
) {
|
|
// 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
|
|
)
|
|
);
|
|
}
|
|
|
|
$this->uiprefs['CREATE_TIME'] = $curr_create_time;
|
|
}
|
|
// save the value
|
|
$this->uiprefs[$property] = $value;
|
|
|
|
// check if pmadb is set
|
|
$cfgRelation = $this->relation->getRelationsParam();
|
|
if ($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 = $this->relation->getRelationsParam();
|
|
if ($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);
|
|
$return = [];
|
|
foreach ($columns as $column) {
|
|
$temp = explode('.', $column);
|
|
$column_name = $temp[2];
|
|
if (! Context::isKeyword($column_name, true)) {
|
|
continue;
|
|
}
|
|
|
|
$return[] = $column_name;
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
|
|
/**
|
|
* Function to get the name and type of the columns of a table
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getNameAndTypeOfTheColumns()
|
|
{
|
|
$columns = [];
|
|
foreach ($this->dbi->getColumnsFull(
|
|
$this->dbName,
|
|
$this->name
|
|
) as $row) {
|
|
if (preg_match('@^(set|enum)\((.+)\)$@i', $row['Type'], $tmp)) {
|
|
$tmp[2] = mb_substr(
|
|
(string) 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->dbName, $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->dbName),
|
|
Util::backquote($this->name)
|
|
);
|
|
|
|
// Drops the old index
|
|
if (! empty($_POST['old_index'])) {
|
|
$oldIndex = is_array($_POST['old_index']) ? $_POST['old_index']['Key_name'] : $_POST['old_index'];
|
|
if ($oldIndex === 'PRIMARY') {
|
|
$sql_query .= ' DROP PRIMARY KEY,';
|
|
} else {
|
|
$sql_query .= sprintf(
|
|
' DROP INDEX %s,',
|
|
Util::backquote($oldIndex)
|
|
);
|
|
}
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
$index_fields = [];
|
|
foreach ($index->getColumns() as $key => $column) {
|
|
$index_fields[$key] = Util::backquote($column->getName());
|
|
if (! $column->getSubPart()) {
|
|
continue;
|
|
}
|
|
|
|
$index_fields[$key] .= '(' . $column->getSubPart() . ')';
|
|
}
|
|
|
|
if (empty($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 = %s',
|
|
$this->dbi->escapeString($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(['TOKUDB'])
|
|
) {
|
|
$sql_query .= ' USING ' . $type;
|
|
}
|
|
|
|
$parser = $index->getParser();
|
|
if ($index->getChoice() === 'FULLTEXT' && ! empty($parser)) {
|
|
$sql_query .= ' WITH PARSER ' . $this->dbi->escapeString($parser);
|
|
}
|
|
|
|
$comment = $index->getComment();
|
|
if (! empty($comment)) {
|
|
$sql_query .= sprintf(
|
|
" COMMENT '%s'",
|
|
$this->dbi->escapeString($comment)
|
|
);
|
|
}
|
|
|
|
$sql_query .= ';';
|
|
|
|
return $sql_query;
|
|
}
|
|
|
|
/**
|
|
* Function to handle update for display field
|
|
*
|
|
* @param string $display_field display field
|
|
* @param array $cfgRelation configuration relation
|
|
*
|
|
* @return bool True on update succeed or False on failure
|
|
*/
|
|
public function updateDisplayField($display_field, array $cfgRelation)
|
|
{
|
|
$upd_query = false;
|
|
if ($display_field == '') {
|
|
$upd_query = 'DELETE FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['table_info'])
|
|
. ' WHERE db_name = \''
|
|
. $this->dbi->escapeString($this->dbName) . '\''
|
|
. ' AND table_name = \''
|
|
. $this->dbi->escapeString($this->name) . '\'';
|
|
} else {
|
|
$upd_query = 'REPLACE INTO '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['table_info'])
|
|
. '(db_name, table_name, display_field) VALUES('
|
|
. '\'' . $this->dbi->escapeString($this->dbName) . '\','
|
|
. '\'' . $this->dbi->escapeString($this->name) . '\','
|
|
. '\'' . $this->dbi->escapeString($display_field) . '\')';
|
|
}
|
|
|
|
if ($upd_query) {
|
|
$this->dbi->query(
|
|
$upd_query,
|
|
DatabaseInterface::CONNECT_CONTROL,
|
|
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 bool
|
|
*/
|
|
public function updateInternalRelations(
|
|
array $multi_edit_columns_name,
|
|
array $destination_db,
|
|
array $destination_table,
|
|
array $destination_column,
|
|
array $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('
|
|
. '\'' . $this->dbi->escapeString($this->dbName) . '\', '
|
|
. '\'' . $this->dbi->escapeString($this->name) . '\', '
|
|
. '\'' . $this->dbi->escapeString($master_field) . '\', '
|
|
. '\'' . $this->dbi->escapeString($foreign_db) . '\', '
|
|
. '\'' . $this->dbi->escapeString($foreign_table) . '\','
|
|
. '\'' . $this->dbi->escapeString($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 = \''
|
|
. $this->dbi->escapeString($foreign_db) . '\', '
|
|
. ' foreign_table = \''
|
|
. $this->dbi->escapeString($foreign_table) . '\', '
|
|
. ' foreign_field = \''
|
|
. $this->dbi->escapeString($foreign_field) . '\' '
|
|
. ' WHERE master_db = \''
|
|
. $this->dbi->escapeString($this->dbName) . '\''
|
|
. ' AND master_table = \''
|
|
. $this->dbi->escapeString($this->name) . '\''
|
|
. ' AND master_field = \''
|
|
. $this->dbi->escapeString($master_field) . '\'';
|
|
}
|
|
} elseif (isset($existrel[$master_field])) {
|
|
$upd_query = 'DELETE FROM '
|
|
. Util::backquote($GLOBALS['cfgRelation']['db'])
|
|
. '.' . Util::backquote($cfgRelation['relation'])
|
|
. ' WHERE master_db = \''
|
|
. $this->dbi->escapeString($this->dbName) . '\''
|
|
. ' AND master_table = \''
|
|
. $this->dbi->escapeString($this->name) . '\''
|
|
. ' AND master_field = \''
|
|
. $this->dbi->escapeString($master_field) . '\'';
|
|
}
|
|
|
|
if (! isset($upd_query)) {
|
|
continue;
|
|
}
|
|
|
|
$this->dbi->query(
|
|
$upd_query,
|
|
DatabaseInterface::CONNECT_CONTROL,
|
|
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(
|
|
array $destination_foreign_db,
|
|
array $multi_edit_columns_name,
|
|
array $destination_foreign_table,
|
|
array $destination_foreign_column,
|
|
array $options_array,
|
|
$table,
|
|
array $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])) {
|
|
continue;
|
|
}
|
|
|
|
unset($master_field[$key], $foreign_field[$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
|
|
|| $_POST['constraint_name'][$master_field_md5] != $constraint_name
|
|
|| ($_POST['on_delete'][$master_field_md5] != $on_delete)
|
|
|| ($_POST['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;
|
|
}
|
|
} else {
|
|
// no key defined for this field(s)
|
|
$create = true;
|
|
}
|
|
} elseif (isset($existrel_foreign[$master_field_md5])) {
|
|
$drop = true;
|
|
}
|
|
|
|
$tmp_error_drop = false;
|
|
if ($drop) {
|
|
$drop_query = 'ALTER TABLE ' . Util::backquote($table)
|
|
. ' DROP FOREIGN KEY '
|
|
. Util::backquote(
|
|
$existrel_foreign[$master_field_md5]['constraint']
|
|
)
|
|
. ';';
|
|
|
|
if (! isset($_POST['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 .= Generator::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,
|
|
$_POST['constraint_name'][$master_field_md5],
|
|
$options_array[$_POST['on_delete'][$master_field_md5]],
|
|
$options_array[$_POST['on_update'][$master_field_md5]]
|
|
);
|
|
|
|
if (! isset($_POST['preview_sql'])) {
|
|
$display_query .= $create_query . "\n";
|
|
$this->dbi->tryQuery($create_query);
|
|
$tmp_error_create = (string) $this->dbi->getError();
|
|
if (! empty($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 .= Generator::mysqlDie(
|
|
$tmp_error_create,
|
|
$create_query,
|
|
false,
|
|
'',
|
|
false
|
|
);
|
|
}
|
|
$html_output .= MySQLDocumentation::show(
|
|
'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 (! $drop || ! empty($tmp_error_drop)
|
|
|| empty($tmp_error_create)
|
|
) {
|
|
continue;
|
|
}
|
|
|
|
// 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'] ?? ''] ?? null,
|
|
$options_array[$existrel_foreign[$master_field_md5]['on_update'] ?? ''] ?? null
|
|
);
|
|
if (! isset($_POST['preview_sql'])) {
|
|
$display_query .= $sql_query_recreate . "\n";
|
|
$this->dbi->tryQuery($sql_query_recreate);
|
|
} else {
|
|
$preview_sql_data .= $sql_query_recreate;
|
|
}
|
|
}
|
|
|
|
return [
|
|
$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,
|
|
array $field,
|
|
$foreignDb,
|
|
$foreignTable,
|
|
array $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->dbName != $foreignDb
|
|
? Util::backquote($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 $column name of the column
|
|
*
|
|
* @return array|bool associative array of column name and their expressions
|
|
* or false on failure
|
|
*/
|
|
public function getColumnGenerationExpression($column = null)
|
|
{
|
|
if (in_array(Util::getServerType(), ['MySQL', 'Percona Server'])
|
|
&& $this->dbi->getVersion() > 50705
|
|
&& ! $GLOBALS['cfg']['Server']['DisableIS']
|
|
) {
|
|
$sql
|
|
= "SELECT
|
|
`COLUMN_NAME` AS `Field`,
|
|
`GENERATION_EXPRESSION` AS `Expression`
|
|
FROM
|
|
`information_schema`.`COLUMNS`
|
|
WHERE
|
|
`TABLE_SCHEMA` = '" . $this->dbi->escapeString($this->dbName) . "'
|
|
AND `TABLE_NAME` = '" . $this->dbi->escapeString($this->name) . "'";
|
|
if ($column != null) {
|
|
$sql .= " AND `COLUMN_NAME` = '" . $this->dbi->escapeString($column)
|
|
. "'";
|
|
}
|
|
|
|
return $this->dbi->fetchResult($sql, 'Field', 'Expression');
|
|
}
|
|
|
|
$createTable = $this->showCreate();
|
|
if (! $createTable) {
|
|
return false;
|
|
}
|
|
|
|
$parser = new Parser($createTable);
|
|
/**
|
|
* @var CreateStatement $stmt
|
|
*/
|
|
$stmt = $parser->statements[0];
|
|
$fields = TableUtils::getFields($stmt);
|
|
if ($column != null) {
|
|
$expression = isset($fields[$column]['expr']) ?
|
|
substr($fields[$column]['expr'], 1, -1) : '';
|
|
|
|
return [$column => $expression];
|
|
}
|
|
|
|
$ret = [];
|
|
foreach ($fields as $field => $options) {
|
|
if (! isset($options['expr'])) {
|
|
continue;
|
|
}
|
|
|
|
$ret[$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->dbName) . '.'
|
|
. Util::backquote($this->name),
|
|
0,
|
|
1
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Returns the real row count for a table
|
|
*/
|
|
public function getRealRowCountTable(): ?int
|
|
{
|
|
// 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->dbName),
|
|
Util::backquote($this->name)
|
|
)
|
|
);
|
|
|
|
if (! is_array($result)) {
|
|
return null;
|
|
}
|
|
|
|
return (int) $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 = [];
|
|
foreach (Index::getFromTableByChoice(
|
|
$this->name,
|
|
$this->dbName,
|
|
$types
|
|
) as $index) {
|
|
$columns = $index->getColumns();
|
|
foreach ($columns as $column_name => $dummy) {
|
|
$columns_with_index[] = $column_name;
|
|
}
|
|
}
|
|
|
|
return $columns_with_index;
|
|
}
|
|
}
|