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    PMA_MYSQL_INT_VERSION
  13  * @uses    $cfg['ShowStats']
  14  * @uses    $cfg['ShowTooltip']
  15  * @uses    $cfg['ShowTooltipAliasTB']
  16  * @uses    $cfg['SkipLockedTables']
  17  * @uses    $GLOBALS['db']
  18  * @uses    PMA_fillTooltip()
  19  * @uses    PMA_checkParameters()
  20  * @uses    PMA_escape_mysql_wildcards()
  21  * @uses    PMA_DBI_query()
  22  * @uses    PMA_backquote()
  23  * @uses    PMA_DBI_num_rows()
  24  * @uses    PMA_DBI_fetch_row()
  25  * @uses    PMA_DBI_fetch_assoc()
  26  * @uses    PMA_DBI_free_result()
  27  * @uses    PMA_DBI_get_tables_full()
  28  * @uses    PMA_isValid()
  29  * @uses    preg_match()
  30  * @uses    preg_quote()
  31  * @uses    uksort()
  32  * @uses    strnatcasecmp()
  33  * @uses    count()
  34  * @uses    addslashes()
  35  * @version $Id$
  36  */
  37
  38 /**
  39  * requirements
  40  */
  41 require_once './libraries/common.inc.php';
  42
  43 /**
  44  * limits for table list
  45  */
  46 if (! isset($_SESSION['table_limit_offset'])) {
  47     $_SESSION['table_limit_offset'] = 0;
  48 }
  49 if (isset($_REQUEST['pos'])) {
  50     $_SESSION['table_limit_offset'] = (int) $_REQUEST['pos'];
  51 }
  52 $pos = $_SESSION['table_limit_offset'];
  53
  54 /**
  55  * fills given tooltip arrays
  56  *
  57  * @uses    $cfg['ShowTooltipAliasTB']
  58  * @uses    $GLOBALS['strStatCreateTime']
  59  * @uses    PMA_localisedDate()
  60  * @uses    strtotime()
  61  * @param   array   $tooltip_truename   tooltip data
  62  * @param   array   $tooltip_aliasname  tooltip data
  63  * @param   array   $table              tabledata
  64  */
  65 function PMA_fillTooltip(&$tooltip_truename, &$tooltip_aliasname, $table)
  66 {
  67     if (empty($table['Comment'])) {
  68         $table['Comment'] = $table['Name'];
  69     } else {
  70         // why?
  71         $table['Comment'] .= ' ';
  72     }
  73
  74     if ($GLOBALS['cfg']['ShowTooltipAliasTB']
  75      && $GLOBALS['cfg']['ShowTooltipAliasTB'] != 'nested') {
  76         $tooltip_truename[$table['Name']] = $table['Comment'];
  77         $tooltip_aliasname[$table['Name']] = $table['Name'];
  78     } else {
  79         $tooltip_truename[$table['Name']] = $table['Name'];
  80         $tooltip_aliasname[$table['Name']] = $table['Comment'];
  81     }
  82
  83     if (isset($table['Create_time']) && !empty($table['Create_time'])) {
  84         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCreateTime']
  85              . ': ' . PMA_localisedDate(strtotime($table['Create_time']));
  86     }
  87
  88     if (! empty($table['Update_time'])) {
  89         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatUpdateTime']
  90              . ': ' . PMA_localisedDate(strtotime($table['Update_time']));
  91     }
  92
  93     if (! empty($table['Check_time'])) {
  94         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCheckTime']
  95              . ': ' . PMA_localisedDate(strtotime($table['Check_time']));
  96     }
  97 }
  98
  99 PMA_checkParameters(array('db'));
 100
 101 /**
 102  * @global bool whether to display extended stats
 103  */
 104 $is_show_stats = $cfg['ShowStats'];
 105
 106 /**
 107  * @global bool whether selected db is information_schema
 108  */
 109 $db_is_information_schema = false;
 110
 111 if (PMA_MYSQL_INT_VERSION >= 50002 && $db == 'information_schema') {
 112     $is_show_stats = false;
 113     $db_is_information_schema = true;
 114 }
 115
 116 /**
 117  * @global array information about tables in db
 118  */
 119 $tables = array();
 120
 121 // When used in Nested table group mode, only show tables matching the given groupname
 122 if (PMA_isValid($tbl_group) && !$cfg['ShowTooltipAliasTB']) {
 123     $tbl_group_sql = ' LIKE "' . PMA_escape_mysql_wildcards($tbl_group) . '%"';
 124 } else {
 125     $tbl_group_sql = '';
 126 }
 127
 128 if ($cfg['ShowTooltip']) {
 129     $tooltip_truename = array();
 130     $tooltip_aliasname = array();
 131 }
 132
 133 // Special speedup for newer MySQL Versions (in 4.0 format changed)
 134 if (true === $cfg['SkipLockedTables']) {
 135     $db_info_result = PMA_DBI_query('SHOW OPEN TABLES FROM ' . PMA_backquote($db) . ';');
 136
 137     // Blending out tables in use
 138     if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 139         while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 140             // if in use memorize tablename
 141             if (preg_match('@in_use=[1-9]+@i', $tmp[1])) {
 142                 $sot_cache[$tmp[0]] = true;
 143             }
 144         }
 145         PMA_DBI_free_result($db_info_result);
 146
 147         if (isset($sot_cache)) {
 148             $db_info_result = PMA_DBI_query(
 149                 'SHOW TABLES FROM ' . PMA_backquote($db) . $tbl_group_sql . ';',
 150                 null, PMA_DBI_QUERY_STORE);
 151             if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 152                 while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 153                     if (!isset($sot_cache[$tmp[0]])) {
 154                         $sts_result  = PMA_DBI_query(
 155                             'SHOW TABLE STATUS FROM ' . PMA_backquote($db)
 156                              . ' LIKE \'' . addslashes($tmp[0]) . '\';');
 157                         $sts_tmp     = PMA_DBI_fetch_assoc($sts_result);
 158                         PMA_DBI_free_result($sts_result);
 159                         unset($sts_result);
 160
 161                         if (!isset($sts_tmp['Type']) && isset($sts_tmp['Engine'])) {
 162                             $sts_tmp['Type'] =& $sts_tmp['Engine'];
 163                         }
 164
 165                         if (!empty($tbl_group) && $cfg['ShowTooltipAliasTB']
 166                          && !preg_match('@' . preg_quote($tbl_group, '@') . '@i', $sts_tmp['Comment'])) {
 167                             continue;
 168                         }
 169
 170                         if ($cfg['ShowTooltip']) {
 171                             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $sts_tmp);
 172                         }
 173
 174                         $tables[$sts_tmp['Name']]    = $sts_tmp;
 175                     } else { // table in use
 176                         $tables[$tmp[0]]    = array('Name' => $tmp[0]);
 177                     }
 178                 }
 179                 if ($GLOBALS['cfg']['NaturalOrder']) {
 180                     uksort($tables, 'strnatcasecmp');
 181                 }
 182
 183                 $sot_ready = true;
 184             } elseif ($db_info_result) {
 185                 PMA_DBI_free_result($db_info_result);
 186             }
 187             unset($sot_cache);
 188         }
 189         unset($tmp);
 190     } elseif ($db_info_result) {
 191         PMA_DBI_free_result($db_info_result);
 192     }
 193 }
 194
 195 if (! isset($sot_ready)) {
 196     if (! empty($tbl_group) && ! $cfg['ShowTooltipAliasTB']) {
 197         // only tables for selected group
 198         $tables = PMA_DBI_get_tables_full($db, $tbl_group, true);
 199     } elseif (! empty($tbl_group) && $cfg['ShowTooltipAliasTB']) {
 200         // only tables for selected group,
 201         // but grouping is done on comment ...
 202         $tables = PMA_DBI_get_tables_full($db, $tbl_group, 'comment');
 203     } else {
 204         // all tables in db
 205         // - get the total number of tables
 206         $tables = PMA_DBI_get_tables($db);
 207         $total_num_tables = count($tables);
 208         if (isset($sub_part) && $sub_part == '_export') {
 209             // (don't fetch only a subset if we are coming from db_export.php,
 210             // because I think it's too risky to display only a subset of the
 211             // table names when exporting a db)
 212             /**
 213              *
 214              * @todo Page selector for table names?
 215              */
 216             $tables = PMA_DBI_get_tables_full($db, false, false, null, 0, false);
 217         } else {
 218             // fetch the details for a possible limited subset
 219             $tables = PMA_DBI_get_tables_full($db, false, false, null, $pos, true);
 220         }
 221     }
 222
 223     if ($cfg['ShowTooltip']) {
 224         foreach ($tables as $each_table) {
 225             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $each_table);
 226         }
 227     }
 228 }
 229
 230 /**
 231  * @global int count of tables in db
 232  */
 233 $num_tables = count($tables);
 234 if (! isset($total_num_tables)) {
 235     $total_num_tables = $num_tables;
 236 }
 237
 238 /**
 239  * cleanup
 240  */
 241 unset($each_table, $tbl_group_sql, $db_info_result);
 242
 243 /**
 244  * Displays top menu links
 245  */
 246 require './libraries/db_links.inc.php';
 247 ?>