230 lines
9.3 KiB
PHP
230 lines
9.3 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Functionality for the navigation tree
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*
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* @package PhpMyAdmin-Navigation
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*/
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if (! defined('PHPMYADMIN')) {
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exit;
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}
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/**
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* Represents a columns node in the navigation tree
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*
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* @package PhpMyAdmin-Navigation
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*/
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class Node_Table extends Node
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{
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/**
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* Initialises the class
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*
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* @param string $name An identifier for the new node
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* @param int $type Type of node, may be one of CONTAINER or OBJECT
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* @param bool $is_group Whether this object has been created
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* while grouping nodes
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*
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* @return Node_Table
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*/
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public function __construct($name, $type = Node::OBJECT, $is_group = false)
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{
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parent::__construct($name, $type, $is_group);
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$this->icon = $this->_commonFunctions->getImage('b_browse.png');
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$this->links = array(
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'text' => 'sql.php?server=' . $GLOBALS['server']
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. '&db=%2$s&table=%1$s'
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. '&pos=0&token=' . $GLOBALS['token'],
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'icon' => $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
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. '?server=' . $GLOBALS['server']
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. '&db=%2$s&table=%1$s&token=' . $GLOBALS['token']
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);
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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 Node_Database and Node_Table 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 $searchClause A string used to filter the results of the query
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*
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* @return int
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*/
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public function getPresence($type = '', $searchClause = '')
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{
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$retval = 0;
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$db = $this->realParent()->real_name;
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$table = $this->real_name;
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switch ($type) {
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case 'columns':
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if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
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$db = $this->_commonFunctions->sqlAddSlashes($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SELECT COUNT(*) ";
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$query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
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$query .= "WHERE `TABLE_NAME`='$table' ";
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$query .= "AND `TABLE_SCHEMA`='$db'";
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$retval = (int)PMA_DBI_fetch_value($query);
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} else {
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->backquote($table);
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$query = "SHOW COLUMNS FROM $table FROM $db";
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$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
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}
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break;
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case 'indexes':
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->backquote($table);
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$query = "SHOW INDEXES FROM $table FROM $db";
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$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
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break;
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case 'triggers':
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if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
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$db = $this->_commonFunctions->sqlAddSlashes($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SELECT COUNT(*) ";
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$query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
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$query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
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$query .= "AND `EVENT_OBJECT_TABLE`='$table'";
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$retval = (int)PMA_DBI_fetch_value($query);
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} else {
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
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$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($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 Node_Database and Node_Table 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 $searchClause A string used to filter the results of the query
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*
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* @return array
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*/
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public function getData($type, $pos, $searchClause = '')
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{
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$maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
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$retval = array();
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$db = $this->realParent()->real_name;
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$table = $this->real_name;
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switch ($type) {
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case 'columns':
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if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
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$db = $this->_commonFunctions->sqlAddSlashes($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SELECT `COLUMN_NAME` AS `name` ";
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$query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
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$query .= "WHERE `TABLE_NAME`='$table' ";
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$query .= "AND `TABLE_SCHEMA`='$db' ";
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$query .= "ORDER BY `COLUMN_NAME` ASC ";
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$query .= "LIMIT $pos, $maxItems";
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$retval = PMA_DBI_fetch_result($query);
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} else {
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->backquote($table);
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$query = "SHOW COLUMNS FROM $table FROM $db";
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$handle = PMA_DBI_try_query($query);
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if ($handle !== false) {
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$count = 0;
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while ($arr = PMA_DBI_fetch_array($handle)) {
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if ($pos <= 0 && $count < $maxItems) {
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$retval[] = $arr['Field'];
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$count++;
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}
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$pos--;
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}
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}
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}
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break;
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case 'indexes':
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->backquote($table);
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$query = "SHOW INDEXES FROM $table FROM $db";
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$handle = PMA_DBI_try_query($query);
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if ($handle !== false) {
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$count = 0;
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while ($arr = PMA_DBI_fetch_array($handle)) {
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if (! in_array($arr['Key_name'], $retval)) {
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if ($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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}
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}
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break;
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case 'triggers':
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if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
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$db = $this->_commonFunctions->sqlAddSlashes($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SELECT `TRIGGER_NAME` AS `name` ";
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$query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
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$query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
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$query .= "AND `EVENT_OBJECT_TABLE`='$table' ";
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$query .= "ORDER BY `TRIGGER_NAME` ASC ";
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$query .= "LIMIT $pos, $maxItems";
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$retval = PMA_DBI_fetch_result($query);
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} else {
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$db = $this->_commonFunctions->backquote($db);
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$table = $this->_commonFunctions->sqlAddSlashes($table);
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$query = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
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$handle = PMA_DBI_try_query($query);
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if ($handle !== false) {
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$count = 0;
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while ($arr = PMA_DBI_fetch_array($handle)) {
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if ($pos <= 0 && $count < $maxItems) {
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$retval[] = $arr['Trigger'];
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$count++;
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}
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$pos--;
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}
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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 $retval;
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}
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/**
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* Returns the comment associated with node
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* This method should be overridden by specific type of nodes
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*
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* @return string
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*/
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public function getComment()
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{
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$db = $this->realParent()->real_name;
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$table = $this->_commonFunctions->sqlAddSlashes($this->real_name);
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if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
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$db = $this->_commonFunctions->sqlAddSlashes($db);
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$query = "SELECT `TABLE_COMMENT` ";
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$query .= "FROM `INFORMATION_SCHEMA`.`TABLES` ";
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$query .= "WHERE `TABLE_SCHEMA`='$db' ";
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$query .= "AND `TABLE_NAME`='$table' ";
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$retval = PMA_DBI_fetch_value($query);
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} else {
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$db = $this->_commonFunctions->backquote($db);
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$query = "SHOW TABLE STATUS FROM $db ";
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$query .= "WHERE Name = '$table'";
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$arr = PMA_DBI_fetch_assoc(PMA_DBI_try_query($query));
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$retval = $arr['Comment'];
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}
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return $retval;
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}
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}
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?>
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