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