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  * staybyte: speedup view on locked tables - 11 June 2001
  11  *
  12  * @uses    $cfg['ShowStats']
  13  * @uses    $cfg['ShowTooltip']
  14  * @uses    $cfg['ShowTooltipAliasTB']
  15  * @uses    $cfg['SkipLockedTables']
  16  * @uses    $GLOBALS['db']
  17  * @uses    PMA_fillTooltip()
  18  * @uses    PMA_checkParameters()
  19  * @uses    PMA_escape_mysql_wildcards()
  20  * @uses    PMA_DBI_query()
  21  * @uses    PMA_backquote()
  22  * @uses    PMA_DBI_num_rows()
  23  * @uses    PMA_DBI_fetch_row()
  24  * @uses    PMA_DBI_fetch_assoc()
  25  * @uses    PMA_DBI_free_result()
  26  * @uses    PMA_DBI_get_tables_full()
  27  * @uses    PMA_isValid()
  28  * @uses    preg_match()
  29  * @uses    preg_quote()
  30  * @uses    uksort()
  31  * @uses    strnatcasecmp()
  32  * @uses    count()
  33  * @uses    addslashes()
  34  * @version $Id$
  35  */
  36 if (! defined('PHPMYADMIN')) {
  37     exit;
  38 }
  39
  40 /**
  41  * requirements
  42  */
  43 require_once './libraries/common.inc.php';
  44
  45 /**
  46  * limits for table list
  47  */
  48 if (! isset($_SESSION['userconf']['table_limit_offset']) || $_SESSION['userconf']['table_limit_offset_db'] != $db) {
  49     $_SESSION['userconf']['table_limit_offset'] = 0;
  50     $_SESSION['userconf']['table_limit_offset_db'] = $db;
  51 }
  52 if (isset($_REQUEST['pos'])) {
  53     $_SESSION['userconf']['table_limit_offset'] = (int) $_REQUEST['pos'];
  54 }
  55 $pos = $_SESSION['userconf']['table_limit_offset'];
  56
  57 /**
  58  * fills given tooltip arrays
  59  *
  60  * @uses    $cfg['ShowTooltipAliasTB']
  61  * @uses    $GLOBALS['strStatCreateTime']
  62  * @uses    PMA_localisedDate()
  63  * @uses    strtotime()
  64  * @param   array   $tooltip_truename   tooltip data
  65  * @param   array   $tooltip_aliasname  tooltip data
  66  * @param   array   $table              tabledata
  67  */
  68 function PMA_fillTooltip(&$tooltip_truename, &$tooltip_aliasname, $table)
  69 {
  70     if (empty($table['Comment'])) {
  71         $table['Comment'] = $table['Name'];
  72     } else {
  73         // why?
  74         $table['Comment'] .= ' ';
  75     }
  76
  77     if ($GLOBALS['cfg']['ShowTooltipAliasTB']
  78      && $GLOBALS['cfg']['ShowTooltipAliasTB'] != 'nested') {
  79         $tooltip_truename[$table['Name']] = $table['Comment'];
  80         $tooltip_aliasname[$table['Name']] = $table['Name'];
  81     } else {
  82         $tooltip_truename[$table['Name']] = $table['Name'];
  83         $tooltip_aliasname[$table['Name']] = $table['Comment'];
  84     }
  85
  86     if (isset($table['Create_time']) && !empty($table['Create_time'])) {
  87         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCreateTime']
  88              . ': ' . PMA_localisedDate(strtotime($table['Create_time']));
  89     }
  90
  91     if (! empty($table['Update_time'])) {
  92         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatUpdateTime']
  93              . ': ' . PMA_localisedDate(strtotime($table['Update_time']));
  94     }
  95
  96     if (! empty($table['Check_time'])) {
  97         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCheckTime']
  98              . ': ' . PMA_localisedDate(strtotime($table['Check_time']));
  99     }
 100 }
 101
 102 PMA_checkParameters(array('db'));
 103
 104 /**
 105  * @global bool whether to display extended stats
 106  */
 107 $is_show_stats = $cfg['ShowStats'];
 108
 109 /**
 110  * @global bool whether selected db is information_schema
 111  */
 112 $db_is_information_schema = false;
 113
 114 if ($db == 'information_schema') {
 115     $is_show_stats = false;
 116     $db_is_information_schema = true;
 117 }
 118
 119 /**
 120  * @global array information about tables in db
 121  */
 122 $tables = array();
 123
 124 // When used in Nested table group mode, only show tables matching the given groupname
 125 if (PMA_isValid($tbl_group) && !$cfg['ShowTooltipAliasTB']) {
 126     $tbl_group_sql = ' LIKE "' . PMA_escape_mysql_wildcards($tbl_group) . '%"';
 127 } else {
 128     $tbl_group_sql = '';
 129 }
 130
 131 if ($cfg['ShowTooltip']) {
 132     $tooltip_truename = array();
 133     $tooltip_aliasname = array();
 134 }
 135
 136 // Special speedup for newer MySQL Versions (in 4.0 format changed)
 137 if (true === $cfg['SkipLockedTables']) {
 138     $db_info_result = PMA_DBI_query('SHOW OPEN TABLES FROM ' . PMA_backquote($db) . ';');
 139
 140     // Blending out tables in use
 141     if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 142         while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 143             // if in use memorize tablename
 144             if (preg_match('@in_use=[1-9]+@i', $tmp[1])) {
 145                 $sot_cache[$tmp[0]] = true;
 146             }
 147         }
 148         PMA_DBI_free_result($db_info_result);
 149
 150         if (isset($sot_cache)) {
 151             $db_info_result = PMA_DBI_query(
 152                 'SHOW TABLES FROM ' . PMA_backquote($db) . $tbl_group_sql . ';',
 153                 null, PMA_DBI_QUERY_STORE);
 154             if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 155                 while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 156                     if (!isset($sot_cache[$tmp[0]])) {
 157                         $sts_result  = PMA_DBI_query(
 158                             'SHOW TABLE STATUS FROM ' . PMA_backquote($db)
 159                              . ' LIKE \'' . addslashes($tmp[0]) . '\';');
 160                         $sts_tmp     = PMA_DBI_fetch_assoc($sts_result);
 161                         PMA_DBI_free_result($sts_result);
 162                         unset($sts_result);
 163
 164                         if (!isset($sts_tmp['Type']) && isset($sts_tmp['Engine'])) {
 165                             $sts_tmp['Type'] =& $sts_tmp['Engine'];
 166                         }
 167
 168                         if (!empty($tbl_group) && $cfg['ShowTooltipAliasTB']
 169                          && !preg_match('@' . preg_quote($tbl_group, '@') . '@i', $sts_tmp['Comment'])) {
 170                             continue;
 171                         }
 172
 173                         if ($cfg['ShowTooltip']) {
 174                             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $sts_tmp);
 175                         }
 176
 177                         $tables[$sts_tmp['Name']]    = $sts_tmp;
 178                     } else { // table in use
 179                         $tables[$tmp[0]]    = array('Name' => $tmp[0]);
 180                     }
 181                 }
 182                 if ($GLOBALS['cfg']['NaturalOrder']) {
 183                     uksort($tables, 'strnatcasecmp');
 184                 }
 185
 186                 $sot_ready = true;
 187             } elseif ($db_info_result) {
 188                 PMA_DBI_free_result($db_info_result);
 189             }
 190             unset($sot_cache);
 191         }
 192         unset($tmp);
 193     } elseif ($db_info_result) {
 194         PMA_DBI_free_result($db_info_result);
 195     }
 196 }
 197
 198 if (! isset($sot_ready)) {
 199     if (! empty($tbl_group) && ! $cfg['ShowTooltipAliasTB']) {
 200         // only tables for selected group
 201         $tables = PMA_DBI_get_tables_full($db, $tbl_group, true);
 202     } elseif (! empty($tbl_group) && $cfg['ShowTooltipAliasTB']) {
 203         // only tables for selected group,
 204         // but grouping is done on comment ...
 205         $tables = PMA_DBI_get_tables_full($db, $tbl_group, 'comment');
 206     } else {
 207         // all tables in db
 208         // - get the total number of tables
 209         //  (needed for proper working of the MaxTableList feature)
 210         $tables = PMA_DBI_get_tables($db);
 211         $total_num_tables = count($tables);
 212         if (isset($sub_part) && $sub_part == '_export') {
 213             // (don't fetch only a subset if we are coming from db_export.php,
 214             // because I think it's too risky to display only a subset of the
 215             // table names when exporting a db)
 216             /**
 217              *
 218              * @todo Page selector for table names?
 219              */
 220             $tables = PMA_DBI_get_tables_full($db, false, false, null, 0, false);
 221         } else {
 222             // fetch the details for a possible limited subset
 223             $tables = PMA_DBI_get_tables_full($db, false, false, null, $pos, true);
 224         }
 225     }
 226
 227     if ($cfg['ShowTooltip']) {
 228         foreach ($tables as $each_table) {
 229             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $each_table);
 230         }
 231     }
 232 }
 233
 234 /**
 235  * @global int count of tables in db
 236  */
 237 $num_tables = count($tables);
 238 //  (needed for proper working of the MaxTableList feature)
 239 if (! isset($total_num_tables)) {
 240     $total_num_tables = $num_tables;
 241 }
 242
 243 /**
 244  * cleanup
 245  */
 246 unset($each_table, $tbl_group_sql, $db_info_result);
 247
 248 /**
 249  * Displays top menu links
 250  */
 251 require './libraries/db_links.inc.php';
 252 ?>