phpmyadmin/libraries/navigation/Nodes/Node_Table.class.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Functionality for the navigation tree
   5  *
   6  * @package PhpMyAdmin-Navigation
   7  */
   8 if (! defined('PHPMYADMIN')) {
   9     exit;
  10 }
  11
  12 /**
  13  * Represents a columns node in the navigation tree
  14  *
  15  * @package PhpMyAdmin-Navigation
  16  */
  17 class Node_Table extends Node
  18 {
  19     /**
  20      * Initialises the class
  21      *
  22      * @param string $name     An identifier for the new node
  23      * @param int    $type     Type of node, may be one of CONTAINER or OBJECT
  24      * @param bool   $is_group Whether this object has been created
  25      *                         while grouping nodes
  26      *
  27      * @return Node_Table
  28      */
  29     public function __construct($name, $type = Node::OBJECT, $is_group = false)
  30     {
  31         parent::__construct($name, $type, $is_group);
  32         $this->icon  = PMA_Util::getImage('b_browse.png');
  33         $this->links = array(
  34             'text' => 'sql.php?server=' . $GLOBALS['server']
  35                     . '&amp;db=%2$s&amp;table=%1$s'
  36                     . '&amp;pos=0&amp;token=' . $GLOBALS['token'],
  37             'icon' => $GLOBALS['cfg']['NavigationTreeDefaultTabTable']
  38                     . '?server=' . $GLOBALS['server']
  39                     . '&amp;db=%2$s&amp;table=%1$s&amp;token=' . $GLOBALS['token']
  40         );
  41     }
  42
  43     /**
  44      * Returns the number of children of type $type present inside this container
  45      * This method is overridden by the Node_Database and Node_Table classes
  46      *
  47      * @param string $type         The type of item we are looking for
  48      *                             ('columns' or 'indexes')
  49      * @param string $searchClause A string used to filter the results of the query
  50      *
  51      * @return int
  52      */
  53     public function getPresence($type = '', $searchClause = '')
  54     {
  55         $retval = 0;
  56         $db     = $this->realParent()->real_name;
  57         $table  = $this->real_name;
  58         switch ($type) {
  59         case 'columns':
  60             if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
  61                 $db     = PMA_Util::sqlAddSlashes($db);
  62                 $table  = PMA_Util::sqlAddSlashes($table);
  63                 $query  = "SELECT COUNT(*) ";
  64                 $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
  65                 $query .= "WHERE `TABLE_NAME`='$table' ";
  66                 $query .= "AND `TABLE_SCHEMA`='$db'";
  67                 $retval = (int)PMA_DBI_fetch_value($query);
  68             } else {
  69                 $db     = PMA_Util::backquote($db);
  70                 $table  = PMA_Util::backquote($table);
  71                 $query  = "SHOW COLUMNS FROM $table FROM $db";
  72                 $retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
  73             }
  74             break;
  75         case 'indexes':
  76             $db     = PMA_Util::backquote($db);
  77             $table  = PMA_Util::backquote($table);
  78             $query  = "SHOW INDEXES FROM $table FROM $db";
  79             $retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
  80             break;
  81         case 'triggers':
  82             if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
  83                 $db     = PMA_Util::sqlAddSlashes($db);
  84                 $table  = PMA_Util::sqlAddSlashes($table);
  85                 $query  = "SELECT COUNT(*) ";
  86                 $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
  87                 $query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
  88                 $query .= "AND `EVENT_OBJECT_TABLE`='$table'";
  89                 $retval = (int)PMA_DBI_fetch_value($query);
  90             } else {
  91                 $db     = PMA_Util::backquote($db);
  92                 $table  = PMA_Util::sqlAddSlashes($table);
  93                 $query  = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
  94                 $retval = (int)PMA_DBI_num_rows(PMA_DBI_try_query($query));
  95             }
  96             break;
  97         default:
  98             break;
  99         }
 100         return $retval;
 101     }
 102
 103     /**
 104      * Returns the names of children of type $type present inside this container
 105      * This method is overridden by the Node_Database and Node_Table classes
 106      *
 107      * @param string $type         The type of item we are looking for
 108      *                             ('tables', 'views', etc)
 109      * @param int    $pos          The offset of the list within the results
 110      * @param string $searchClause A string used to filter the results of the query
 111      *
 112      * @return array
 113      */
 114     public function getData($type, $pos, $searchClause = '')
 115     {
 116         $maxItems = $GLOBALS['cfg']['MaxNavigationItems'];
 117         $retval   = array();
 118         $db       = $this->realParent()->real_name;
 119         $table    = $this->real_name;
 120         switch ($type) {
 121         case 'columns':
 122             if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
 123                 $db     = PMA_Util::sqlAddSlashes($db);
 124                 $table  = PMA_Util::sqlAddSlashes($table);
 125                 $query  = "SELECT `COLUMN_NAME` AS `name` ";
 126                 $query .= "FROM `INFORMATION_SCHEMA`.`COLUMNS` ";
 127                 $query .= "WHERE `TABLE_NAME`='$table' ";
 128                 $query .= "AND `TABLE_SCHEMA`='$db' ";
 129                 $query .= "ORDER BY `COLUMN_NAME` ASC ";
 130                 $query .= "LIMIT " . intval($pos) . ", $maxItems";
 131                 $retval = PMA_DBI_fetch_result($query);
 132             } else {
 133                 $db     = PMA_Util::backquote($db);
 134                 $table  = PMA_Util::backquote($table);
 135                 $query  = "SHOW COLUMNS FROM $table FROM $db";
 136                 $handle = PMA_DBI_try_query($query);
 137                 if ($handle !== false) {
 138                     $count = 0;
 139                     while ($arr = PMA_DBI_fetch_array($handle)) {
 140                         if ($pos <= 0 && $count < $maxItems) {
 141                             $retval[] = $arr['Field'];
 142                             $count++;
 143                         }
 144                         $pos--;
 145                     }
 146                 }
 147             }
 148             break;
 149         case 'indexes':
 150             $db     = PMA_Util::backquote($db);
 151             $table  = PMA_Util::backquote($table);
 152             $query  = "SHOW INDEXES FROM $table FROM $db";
 153             $handle = PMA_DBI_try_query($query);
 154             if ($handle !== false) {
 155                 $count = 0;
 156                 while ($arr = PMA_DBI_fetch_array($handle)) {
 157                     if (! in_array($arr['Key_name'], $retval)) {
 158                         if ($pos <= 0 && $count < $maxItems) {
 159                             $retval[] = $arr['Key_name'];
 160                             $count++;
 161                         }
 162                         $pos--;
 163                     }
 164                 }
 165             }
 166             break;
 167         case 'triggers':
 168             if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
 169                 $db     = PMA_Util::sqlAddSlashes($db);
 170                 $table  = PMA_Util::sqlAddSlashes($table);
 171                 $query  = "SELECT `TRIGGER_NAME` AS `name` ";
 172                 $query .= "FROM `INFORMATION_SCHEMA`.`TRIGGERS` ";
 173                 $query .= "WHERE `EVENT_OBJECT_SCHEMA`='$db' ";
 174                 $query .= "AND `EVENT_OBJECT_TABLE`='$table' ";
 175                 $query .= "ORDER BY `TRIGGER_NAME` ASC ";
 176                 $query .= "LIMIT " . intval($pos) . ", $maxItems";
 177                 $retval = PMA_DBI_fetch_result($query);
 178             } else {
 179                 $db     = PMA_Util::backquote($db);
 180                 $table  = PMA_Util::sqlAddSlashes($table);
 181                 $query  = "SHOW TRIGGERS FROM $db WHERE `Table` = '$table'";
 182                 $handle = PMA_DBI_try_query($query);
 183                 if ($handle !== false) {
 184                     $count = 0;
 185                     while ($arr = PMA_DBI_fetch_array($handle)) {
 186                         if ($pos <= 0 && $count < $maxItems) {
 187                             $retval[] = $arr['Trigger'];
 188                             $count++;
 189                         }
 190                         $pos--;
 191                     }
 192                 }
 193             }
 194             break;
 195         default:
 196             break;
 197         }
 198         return $retval;
 199     }
 200
 201     /**
 202      * Returns the comment associated with node
 203      * This method should be overridden by specific type of nodes
 204      *
 205      * @return string
 206      */
 207     public function getComment()
 208     {
 209         $db    = $this->realParent()->real_name;
 210         $table = PMA_Util::sqlAddSlashes($this->real_name);
 211         if (! $GLOBALS['cfg']['Servers'][$GLOBALS['server']]['DisableIS']) {
 212             $db     = PMA_Util::sqlAddSlashes($db);
 213             $query  = "SELECT `TABLE_COMMENT` ";
 214             $query .= "FROM `INFORMATION_SCHEMA`.`TABLES` ";
 215             $query .= "WHERE `TABLE_SCHEMA`='$db' ";
 216             $query .= "AND `TABLE_NAME`='$table' ";
 217             $retval = PMA_DBI_fetch_value($query);
 218         } else {
 219             $db     = PMA_Util::backquote($db);
 220             $query  = "SHOW TABLE STATUS FROM $db ";
 221             $query .= "WHERE Name = '$table'";
 222             $arr = PMA_DBI_fetch_assoc(PMA_DBI_try_query($query));
 223             $retval = $arr['Comment'];
 224         }
 225         return $retval;
 226     }
 227 }
 228
 229 ?>