280 lines
10 KiB
PHP
280 lines
10 KiB
PHP
<?php
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/**
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* Functionality for the navigation tree
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*/
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declare(strict_types=1);
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namespace PhpMyAdmin\Navigation\Nodes;
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use PhpMyAdmin\Config;
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use PhpMyAdmin\ConfigStorage\RelationParameters;
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use PhpMyAdmin\Dbal\DatabaseInterface;
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use PhpMyAdmin\UserPrivileges;
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use PhpMyAdmin\Util;
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use function __;
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use function in_array;
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/**
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* Represents a columns node in the navigation tree
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*/
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class NodeTable extends NodeDatabaseChild
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{
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/**
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* For the second IMG tag, used when rendering the node.
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*/
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public Icon|null $secondIcon = null;
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/** @param string $name An identifier for the new node */
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public function __construct(Config $config, string $name)
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{
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parent::__construct($config, $name);
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$icon = $this->addIcon(
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$this->config->settings['NavigationTreeDefaultTabTable'],
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['db' => null, 'table' => null],
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);
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if ($icon !== null) {
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$this->icon = $icon;
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}
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$this->secondIcon = $this->addIcon(
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$this->config->settings['NavigationTreeDefaultTabTable2'],
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['db' => null, 'table' => null],
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);
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$this->title = Util::getTitleForTarget($this->config->settings['DefaultTabTable']);
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$this->links = [
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'text' => [
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'route' => $this->config->settings['DefaultTabTable'],
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'params' => ['pos' => 0, 'db' => null, 'table' => null],
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],
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'title' => $this->title,
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];
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$this->classes = 'nav_node_table';
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$this->urlParamName = 'table';
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}
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/**
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* Returns the number of children of type $type present inside this container
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* This method is overridden by the PhpMyAdmin\Navigation\Nodes\NodeDatabase
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* and PhpMyAdmin\Navigation\Nodes\NodeTable classes
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*
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* @param string $type The type of item we are looking for
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* ('columns' or 'indexes')
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* @param string $searchClause A string used to filter the results of the query
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*/
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public function getPresence(UserPrivileges $userPrivileges, string $type = '', string $searchClause = ''): int
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{
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$retval = 0;
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$db = $this->getRealParent()->realName;
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$table = $this->realName;
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$dbi = DatabaseInterface::getInstance();
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switch ($type) {
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case 'columns':
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if (! $this->config->selectedServer['DisableIS']) {
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$query = 'SELECT COUNT(*) ';
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$query .= 'FROM `INFORMATION_SCHEMA`.`COLUMNS` ';
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$query .= 'WHERE `TABLE_NAME`=' . $dbi->quoteString($table) . ' ';
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$query .= 'AND `TABLE_SCHEMA`=' . $dbi->quoteString($db);
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$retval = (int) $dbi->fetchValue($query);
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} else {
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$db = Util::backquote($db);
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$table = Util::backquote($table);
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$query = 'SHOW COLUMNS FROM ' . $table . ' FROM ' . $db;
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$retval = $this->queryAndGetNumRows($query);
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}
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break;
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case 'indexes':
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$db = Util::backquote($db);
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$table = Util::backquote($table);
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$query = 'SHOW INDEXES FROM ' . $table . ' FROM ' . $db;
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$retval = $this->queryAndGetNumRows($query);
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break;
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case 'triggers':
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if (! $this->config->selectedServer['DisableIS']) {
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$query = 'SELECT COUNT(*) ';
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$query .= 'FROM `INFORMATION_SCHEMA`.`TRIGGERS` ';
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$query .= 'WHERE `EVENT_OBJECT_SCHEMA` '
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. Util::getCollateForIS() . '=' . $dbi->quoteString($db) . ' ';
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$query .= 'AND `EVENT_OBJECT_TABLE` '
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. Util::getCollateForIS() . '=' . $dbi->quoteString($table);
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$retval = (int) $dbi->fetchValue($query);
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} else {
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$db = Util::backquote($db);
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$query = 'SHOW TRIGGERS FROM ' . $db . ' WHERE `Table` = ' . $dbi->quoteString($table);
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$retval = $this->queryAndGetNumRows($query);
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}
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break;
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default:
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break;
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}
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return $retval;
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}
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/**
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* Returns the names of children of type $type present inside this container
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* This method is overridden by the PhpMyAdmin\Navigation\Nodes\NodeDatabase
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* and PhpMyAdmin\Navigation\Nodes\NodeTable classes
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*
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* @param string $type The type of item we are looking for
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* ('tables', 'views', etc)
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* @param int $pos The offset of the list within the results
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* @param string $searchClause A string used to filter the results of the query
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*
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* @return mixed[]
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*/
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public function getData(
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UserPrivileges $userPrivileges,
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RelationParameters $relationParameters,
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string $type,
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int $pos,
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string $searchClause = '',
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): array {
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$maxItems = $this->config->settings['MaxNavigationItems'];
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$retval = [];
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$db = $this->getRealParent()->realName;
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$table = $this->realName;
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$dbi = DatabaseInterface::getInstance();
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switch ($type) {
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case 'columns':
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if (! $this->config->selectedServer['DisableIS']) {
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$query = 'SELECT `COLUMN_NAME` AS `name` ';
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$query .= ',`COLUMN_KEY` AS `key` ';
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$query .= ',`DATA_TYPE` AS `type` ';
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$query .= ',`COLUMN_DEFAULT` AS `default` ';
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$query .= ",IF (`IS_NULLABLE` = 'NO', '', 'nullable') AS `nullable` ";
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$query .= 'FROM `INFORMATION_SCHEMA`.`COLUMNS` ';
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$query .= 'WHERE `TABLE_NAME`=' . $dbi->quoteString($table) . ' ';
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$query .= 'AND `TABLE_SCHEMA`=' . $dbi->quoteString($db) . ' ';
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$query .= 'ORDER BY `COLUMN_NAME` ASC ';
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$query .= 'LIMIT ' . $pos . ', ' . $maxItems;
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$retval = $dbi->fetchResultSimple($query);
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break;
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}
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$db = Util::backquote($db);
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$table = Util::backquote($table);
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$query = 'SHOW COLUMNS FROM ' . $table . ' FROM ' . $db;
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$handle = $dbi->tryQuery($query);
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if ($handle === false) {
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break;
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}
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$count = 0;
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if ($handle->seek($pos)) {
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while ($arr = $handle->fetchAssoc()) {
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if ($count >= $maxItems) {
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break;
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}
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$retval[] = [
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'name' => $arr['Field'],
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'key' => $arr['Key'],
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'type' => Util::extractColumnSpec($arr['Type'])['type'],
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'default' => $arr['Default'],
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'nullable' => $arr['Null'] === 'NO' ? '' : 'nullable',
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];
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$count++;
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}
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}
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break;
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case 'indexes':
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$db = Util::backquote($db);
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$table = Util::backquote($table);
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$query = 'SHOW INDEXES FROM ' . $table . ' FROM ' . $db;
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$handle = $dbi->tryQuery($query);
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if ($handle === false) {
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break;
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}
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$count = 0;
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foreach ($handle as $arr) {
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if (in_array($arr['Key_name'], $retval)) {
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continue;
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}
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if ($pos <= 0 && $count < $maxItems) {
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$retval[] = $arr['Key_name'];
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$count++;
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}
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$pos--;
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}
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break;
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case 'triggers':
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if (! $this->config->selectedServer['DisableIS']) {
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$query = 'SELECT `TRIGGER_NAME` AS `name` ';
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$query .= 'FROM `INFORMATION_SCHEMA`.`TRIGGERS` ';
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$query .= 'WHERE `EVENT_OBJECT_SCHEMA` '
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. Util::getCollateForIS() . '=' . $dbi->quoteString($db) . ' ';
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$query .= 'AND `EVENT_OBJECT_TABLE` '
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. Util::getCollateForIS() . '=' . $dbi->quoteString($table) . ' ';
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$query .= 'ORDER BY `TRIGGER_NAME` ASC ';
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$query .= 'LIMIT ' . $pos . ', ' . $maxItems;
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$retval = $dbi->fetchSingleColumn($query);
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break;
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}
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$db = Util::backquote($db);
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$query = 'SHOW TRIGGERS FROM ' . $db . ' WHERE `Table` = ' . $dbi->quoteString($table);
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$handle = $dbi->tryQuery($query);
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if ($handle === false) {
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break;
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}
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$count = 0;
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if ($handle->seek($pos)) {
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while ($arr = $handle->fetchAssoc()) {
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if ($count >= $maxItems) {
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break;
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}
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$retval[] = $arr['Trigger'];
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$count++;
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}
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}
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break;
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default:
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break;
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}
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return $retval;
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}
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/**
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* Returns the type of the item represented by the node.
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*
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* @return string type of the item
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*/
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protected function getItemType(): string
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{
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return 'table';
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}
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/**
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* Add an icon to navigation tree
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*
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* @param '/table/sql'|'/table/search'|'/table/change'|'/sql'|'/table/structure'|'' $page Page name to redirect
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* @param array<string, mixed> $params
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*/
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private function addIcon(string $page, array $params): Icon|null
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{
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return match ($page) {
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'/table/structure' => new Icon('b_props', __('Structure'), $page, $params),
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'/table/search' => new Icon('b_search', __('Search'), $page, $params),
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'/table/change' => new Icon('b_insrow', __('Insert'), $page, $params),
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'/table/sql' => new Icon('b_sql', __('SQL'), $page, $params),
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'/sql' => new Icon('b_browse', __('Browse'), $page, $params),
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default => null,
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};
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}
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}
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