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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Functionality for the navigation tree
*
* @package PhpMyAdmin-Navigation
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* Represents a columns node in the navigation tree
*
* @package PhpMyAdmin-Navigation
*/
class Node_Table extends Node
{
/**
* Initialises the class
*
* @param string $name An identifier for the new node
* @param int $type Type of node, may be one of CONTAINER or OBJECT
* @param bool $is_group Whether this object has been created
* while grouping nodes
*
* @return Node_Table
*/
public function __construct($name, $type = Node::OBJECT, $is_group = false)
{
parent::__construct($name, $type, $is_group);
switch ($GLOBALS['cfg']['NavigationTreeDefaultTabTable']) {
case 'tbl_structure.php':
$title = __('Structure');
break;
case 'tbl_sql.php':
$title = __('SQL');
break;
case 'tbl_select.php':
$title = __('Search');
break;
case 'tbl_change.php':
$title = __('Insert');
break;
case 'sql.php':
$title = __('Browse');
break;
}
$this->icon = PMA_Util::getImage('b_browse.png', $title);
$this->links = array(
'text' => $GLOBALS['cfg']['DefaultTabTable']
. '?server=' . $GLOBALS['server']
. '&db=%2$s&table=%1$s'
. '&pos=0&token=' . $GLOBALS['token'],
'icon' => $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
. '?server=' . $GLOBALS['server']
. '&db=%2$s&table=%1$s&token=' . $GLOBALS['token']
);
$this->classes = 'table';
}
/**
* Returns the number of children of type $type present inside this container
* This method is overridden by the Node_Database and Node_Table classes
*
* @param string $type The type of item we are looking for
* ('columns' or 'indexes')
* @param string $searchClause A string used to filter the results of the query
*
* @return int
*/
public function getPresence($type = '', $searchClause = '')
{
$retval = 0;
$db = $this->realParent()->real_name;
$table = $this->real_name;
switch ($type) {
case 'columns':
if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
$db = PMA_Util::sqlAddSlashes($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SELECT COUNT(*) ";
$query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
$query .= "WHERE `TABLE_NAME`='$table' ";
$query .= "AND `TABLE_SCHEMA`='$db'";
$retval = (int)PMA_DBI_fetch_value($query);
} else {
$db = PMA_Util::backquote($db);
$table = PMA_Util::backquote($table);
$query = "SHOW COLUMNS FROM $table FROM $db";
$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
}
break;
case 'indexes':
$db = PMA_Util::backquote($db);
$table = PMA_Util::backquote($table);
$query = "SHOW INDEXES FROM $table FROM $db";
$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
break;
case 'triggers':
if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
$db = PMA_Util::sqlAddSlashes($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SELECT COUNT(*) ";
$query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
$query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
$query .= "AND `EVENT_OBJECT_TABLE`='$table'";
$retval = (int)PMA_DBI_fetch_value($query);
} else {
$db = PMA_Util::backquote($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
$retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
}
break;
default:
break;
}
return $retval;
}
/**
* Returns the names of children of type $type present inside this container
* This method is overridden by the Node_Database and Node_Table classes
*
* @param string $type The type of item we are looking for
* ('tables', 'views', etc)
* @param int $pos The offset of the list within the results
* @param string $searchClause A string used to filter the results of the query
*
* @return array
*/
public function getData($type, $pos, $searchClause = '')
{
$maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
$retval = array();
$db = $this->realParent()->real_name;
$table = $this->real_name;
switch ($type) {
case 'columns':
if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
$db = PMA_Util::sqlAddSlashes($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SELECT `COLUMN_NAME` AS `name` ";
$query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
$query .= "WHERE `TABLE_NAME`='$table' ";
$query .= "AND `TABLE_SCHEMA`='$db' ";
$query .= "ORDER BY `COLUMN_NAME` ASC ";
$query .= "LIMIT " . intval($pos) . ", $maxItems";
$retval = PMA_DBI_fetch_result($query);
} else {
$db = PMA_Util::backquote($db);
$table = PMA_Util::backquote($table);
$query = "SHOW COLUMNS FROM $table FROM $db";
$handle = PMA_DBI_try_query($query);
if ($handle !== false) {
$count = 0;
while ($arr = PMA_DBI_fetch_array($handle)) {
if ($pos <= 0 && $count < $maxItems) {
$retval[] = $arr['Field'];
$count++;
}
$pos--;
}
}
}
break;
case 'indexes':
$db = PMA_Util::backquote($db);
$table = PMA_Util::backquote($table);
$query = "SHOW INDEXES FROM $table FROM $db";
$handle = PMA_DBI_try_query($query);
if ($handle !== false) {
$count = 0;
while ($arr = PMA_DBI_fetch_array($handle)) {
if (! in_array($arr['Key_name'], $retval)) {
if ($pos <= 0 && $count < $maxItems) {
$retval[] = $arr['Key_name'];
$count++;
}
$pos--;
}
}
}
break;
case 'triggers':
if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
$db = PMA_Util::sqlAddSlashes($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SELECT `TRIGGER_NAME` AS `name` ";
$query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
$query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
$query .= "AND `EVENT_OBJECT_TABLE`='$table' ";
$query .= "ORDER BY `TRIGGER_NAME` ASC ";
$query .= "LIMIT " . intval($pos) . ", $maxItems";
$retval = PMA_DBI_fetch_result($query);
} else {
$db = PMA_Util::backquote($db);
$table = PMA_Util::sqlAddSlashes($table);
$query = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
$handle = PMA_DBI_try_query($query);
if ($handle !== false) {
$count = 0;
while ($arr = PMA_DBI_fetch_array($handle)) {
if ($pos <= 0 && $count < $maxItems) {
$retval[] = $arr['Trigger'];
$count++;
}
$pos--;
}
}
}
break;
default:
break;
}
return $retval;
}
}
?>
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