libraries/db_info.inc.php

   1 <?php
   2 /* vim: set expandtab sw=4 ts=4 sts=4: */
   3 /**
   4  * Gets the list of the table in the current db and informations about these
   5  * tables if possible
   6  *
   7  * fills tooltip arrays and provides $tables, $num_tables, $is_show_stats
   8  * and $db_is_information_schema
   9  *
  10  * speedup view on locked tables
  11  *
  12  * @package phpMyAdmin
  13  */
  14 if (! defined('PHPMYADMIN')) {
  15     exit;
  16 }
  17
  18 /**
  19  * requirements
  20  */
  21 require_once './libraries/common.inc.php';
  22
  23 /**
  24  * limits for table list
  25  */
  26 if (! isset($_SESSION['tmp_user_values']['table_limit_offset']) || $_SESSION['tmp_user_values']['table_limit_offset_db'] != $db) {
  27     $_SESSION['tmp_user_values']['table_limit_offset'] = 0;
  28     $_SESSION['tmp_user_values']['table_limit_offset_db'] = $db;
  29 }
  30 if (isset($_REQUEST['pos'])) {
  31     $_SESSION['tmp_user_values']['table_limit_offset'] = (int) $_REQUEST['pos'];
  32 }
  33 $pos = $_SESSION['tmp_user_values']['table_limit_offset'];
  34
  35 /**
  36  * fills given tooltip arrays
  37  *
  38  * @param array   $tooltip_truename   tooltip data
  39  * @param array   $tooltip_aliasname  tooltip data
  40  * @param array   $table              tabledata
  41  */
  42 function PMA_fillTooltip(&$tooltip_truename, &$tooltip_aliasname, $table)
  43 {
  44     if (strstr($table['Comment'], '; InnoDB free') === false) {
  45         if (!strstr($table['Comment'], 'InnoDB free') === false) {
  46             // here we have just InnoDB generated part
  47             $table['Comment'] = '';
  48         }
  49     } else {
  50         // remove InnoDB comment from end, just the minimal part (*? is non greedy)
  51         $table['Comment'] = preg_replace('@; InnoDB free:.*?$@', '', $table['Comment']);
  52     }
  53     if (empty($table['Comment'])) {
  54         $table['Comment'] = $table['Name'];
  55     } else {
  56         // why?
  57         $table['Comment'] .= ' ';
  58     }
  59
  60     if ($GLOBALS['cfg']['ShowTooltipAliasTB']
  61      && $GLOBALS['cfg']['ShowTooltipAliasTB'] != 'nested') {
  62         $tooltip_truename[$table['Name']] = $table['Comment'];
  63         $tooltip_aliasname[$table['Name']] = $table['Name'];
  64     } else {
  65         $tooltip_truename[$table['Name']] = $table['Name'];
  66         $tooltip_aliasname[$table['Name']] = $table['Comment'];
  67     }
  68
  69     if (isset($table['Create_time']) && !empty($table['Create_time'])) {
  70         $tooltip_aliasname[$table['Name']] .= ', ' . __('Creation')
  71              . ': ' . PMA_localisedDate(strtotime($table['Create_time']));
  72     }
  73
  74     if (! empty($table['Update_time'])) {
  75         $tooltip_aliasname[$table['Name']] .= ', ' . __('Last update')
  76              . ': ' . PMA_localisedDate(strtotime($table['Update_time']));
  77     }
  78
  79     if (! empty($table['Check_time'])) {
  80         $tooltip_aliasname[$table['Name']] .= ', ' . __('Last check')
  81              . ': ' . PMA_localisedDate(strtotime($table['Check_time']));
  82     }
  83 }
  84
  85 PMA_checkParameters(array('db'));
  86
  87 /**
  88  * @global bool whether to display extended stats
  89  */
  90 $is_show_stats = $cfg['ShowStats'];
  91
  92 /**
  93  * @global bool whether selected db is information_schema
  94  */
  95 $db_is_information_schema = false;
  96
  97 if (PMA_is_system_schema($db)) {
  98     $is_show_stats = false;
  99     $db_is_information_schema = true;
 100 }
 101
 102 /**
 103  * @global array information about tables in db
 104  */
 105 $tables = array();
 106
 107 // When used in Nested table group mode, only show tables matching the given groupname
 108 if (PMA_isValid($tbl_group) && !$cfg['ShowTooltipAliasTB']) {
 109     $tbl_group_sql = ' LIKE "' . PMA_escape_mysql_wildcards($tbl_group) . '%"';
 110 } else {
 111     $tbl_group_sql = '';
 112 }
 113
 114 if ($cfg['ShowTooltip']) {
 115     $tooltip_truename = array();
 116     $tooltip_aliasname = array();
 117 }
 118
 119 // Special speedup for newer MySQL Versions (in 4.0 format changed)
 120 if (true === $cfg['SkipLockedTables']) {
 121     $db_info_result = PMA_DBI_query('SHOW OPEN TABLES FROM ' . PMA_backquote($db) . ';');
 122
 123     // Blending out tables in use
 124     if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 125         while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 126             // if in use memorize tablename
 127             if (preg_match('@in_use=[1-9]+@i', $tmp[1])) {
 128                 $sot_cache[$tmp[0]] = true;
 129             }
 130         }
 131         PMA_DBI_free_result($db_info_result);
 132
 133         if (isset($sot_cache)) {
 134             $db_info_result = PMA_DBI_query(
 135                 'SHOW TABLES FROM ' . PMA_backquote($db) . $tbl_group_sql . ';',
 136                 null, PMA_DBI_QUERY_STORE);
 137             if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 138                 while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 139                     if (! isset($sot_cache[$tmp[0]])) {
 140                         $sts_result  = PMA_DBI_query(
 141                             'SHOW TABLE STATUS FROM ' . PMA_backquote($db)
 142                              . ' LIKE \'' . PMA_sqlAddSlashes($tmp[0], true) . '\';');
 143                         $sts_tmp     = PMA_DBI_fetch_assoc($sts_result);
 144                         PMA_DBI_free_result($sts_result);
 145                         unset($sts_result);
 146
 147                         if (! isset($sts_tmp['Type']) && isset($sts_tmp['Engine'])) {
 148                             $sts_tmp['Type'] =& $sts_tmp['Engine'];
 149                         }
 150
 151                         if (!empty($tbl_group) && $cfg['ShowTooltipAliasTB']
 152                          && !preg_match('@' . preg_quote($tbl_group, '@') . '@i', $sts_tmp['Comment'])) {
 153                             continue;
 154                         }
 155
 156                         if ($cfg['ShowTooltip']) {
 157                             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $sts_tmp);
 158                         }
 159
 160                         $tables[$sts_tmp['Name']]    = $sts_tmp;
 161                     } else { // table in use
 162                         $tables[$tmp[0]]    = array('Name' => $tmp[0]);
 163                     }
 164                 }
 165                 if ($GLOBALS['cfg']['NaturalOrder']) {
 166                     uksort($tables, 'strnatcasecmp');
 167                 }
 168
 169                 $sot_ready = true;
 170             } elseif ($db_info_result) {
 171                 PMA_DBI_free_result($db_info_result);
 172             }
 173             unset($sot_cache);
 174         }
 175         unset($tmp);
 176     } elseif ($db_info_result) {
 177         PMA_DBI_free_result($db_info_result);
 178     }
 179 }
 180
 181 if (! isset($sot_ready)) {
 182
 183     // Set some sorting defaults
 184     $sort = 'Name';
 185     $sort_order = 'ASC';
 186
 187     if (isset($_REQUEST['sort'])) {
 188         $sortable_name_mappings = array(
 189             'table'     => 'Name',
 190             'records'   => 'Rows',
 191             'type'      => 'Engine',
 192             'collation' => 'Collation',
 193             'size'      => 'Data_length',
 194             'overhead'  => 'Data_free'
 195         );
 196
 197         // Make sure the sort type is implemented
 198         if (isset($sortable_name_mappings[$_REQUEST['sort']])) {
 199             $sort = $sortable_name_mappings[$_REQUEST['sort']];
 200             if ($_REQUEST['sort_order'] == 'DESC') {
 201                 $sort_order = 'DESC';
 202             }
 203         }
 204     }
 205
 206     if (! empty($tbl_group) && ! $cfg['ShowTooltipAliasTB']) {
 207         // only tables for selected group
 208         $tables = PMA_DBI_get_tables_full($db, $tbl_group, true, null, 0, false, $sort, $sort_order);
 209     } elseif (! empty($tbl_group) && $cfg['ShowTooltipAliasTB']) {
 210         // only tables for selected group,
 211         // but grouping is done on comment ...
 212         $tables = PMA_DBI_get_tables_full($db, $tbl_group, 'comment', null, 0, false, $sort, $sort_order);
 213     } else {
 214         // all tables in db
 215         // - get the total number of tables
 216         //  (needed for proper working of the MaxTableList feature)
 217         $tables = PMA_DBI_get_tables($db);
 218         $total_num_tables = count($tables);
 219         if (isset($sub_part) && $sub_part == '_export') {
 220             // (don't fetch only a subset if we are coming from db_export.php,
 221             // because I think it's too risky to display only a subset of the
 222             // table names when exporting a db)
 223             /**
 224              *
 225              * @todo Page selector for table names?
 226              */
 227             $tables = PMA_DBI_get_tables_full($db, false, false, null, 0, false, $sort, $sort_order);
 228         } else {
 229             // fetch the details for a possible limited subset
 230             $tables = PMA_DBI_get_tables_full($db, false, false, null, $pos, true, $sort, $sort_order);
 231         }
 232     }
 233
 234     if ($cfg['ShowTooltip']) {
 235         foreach ($tables as $each_table) {
 236             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $each_table);
 237         }
 238     }
 239 }
 240
 241 /**
 242  * @global int count of tables in db
 243  */
 244 $num_tables = count($tables);
 245 //  (needed for proper working of the MaxTableList feature)
 246 if (! isset($total_num_tables)) {
 247     $total_num_tables = $num_tables;
 248 }
 249
 250 /**
 251  * cleanup
 252  */
 253 unset($each_table, $tbl_group_sql, $db_info_result);
 254
 255 /**
 256  * Displays top menu links
 257  * If in an Ajax request, we do not need to show this
 258  */
 259 if ($GLOBALS['is_ajax_request'] != true) {
 260     require './libraries/db_links.inc.php';
 261 }
 262 ?>