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 rovides $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  * fills given tooltip arrays
  45  *
  46  * @uses    $cfg['ShowTooltipAliasTB']
  47  * @uses    $GLOBALS['strStatCreateTime']
  48  * @uses    PMA_localisedDate()
  49  * @uses    strtotime()
  50  * @param   array   $tooltip_truename   tooltip data
  51  * @param   array   $tooltip_aliasname  tooltip data
  52  * @param   array   $table              tabledata
  53  */
  54 function PMA_fillTooltip(&$tooltip_truename, &$tooltip_aliasname, $table)
  55 {
  56     if (empty($table['Comment'])) {
  57         $table['Comment'] = $table['Name'];
  58     } else {
  59         // why?
  60         $table['Comment'] .= ' ';
  61     }
  62
  63     if ($GLOBALS['cfg']['ShowTooltipAliasTB']
  64      && $GLOBALS['cfg']['ShowTooltipAliasTB'] != 'nested') {
  65         $tooltip_truename[$table['Name']] = $table['Comment'];
  66         $tooltip_aliasname[$table['Name']] = $table['Name'];
  67     } else {
  68         $tooltip_truename[$table['Name']] = $table['Name'];
  69         $tooltip_aliasname[$table['Name']] = $table['Comment'];
  70     }
  71
  72     if (isset($table['Create_time']) && !empty($table['Create_time'])) {
  73         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCreateTime']
  74              . ': ' . PMA_localisedDate(strtotime($table['Create_time']));
  75     }
  76
  77     if (! empty($table['Update_time'])) {
  78         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatUpdateTime']
  79              . ': ' . PMA_localisedDate(strtotime($table['Update_time']));
  80     }
  81
  82     if (! empty($table['Check_time'])) {
  83         $tooltip_aliasname[$table['Name']] .= ', ' . $GLOBALS['strStatCheckTime']
  84              . ': ' . PMA_localisedDate(strtotime($table['Check_time']));
  85     }
  86 }
  87
  88 PMA_checkParameters(array('db'));
  89
  90 /**
  91  * @global bool whether to display extended stats
  92  */
  93 $is_show_stats = $cfg['ShowStats'];
  94
  95 /**
  96  * @global bool whether selected db is information_schema
  97  */
  98 $db_is_information_schema = false;
  99
 100 if (PMA_MYSQL_INT_VERSION >= 50002 && $db == 'information_schema') {
 101     $is_show_stats = false;
 102     $db_is_information_schema = true;
 103 }
 104
 105 /**
 106  * @global array information about tables in db
 107  */
 108 $tables = array();
 109
 110 // When used in Nested table group mode, only show tables matching the given groupname
 111 if (PMA_isValid($tbl_group) && !$cfg['ShowTooltipAliasTB']) {
 112     $tbl_group_sql = ' LIKE "' . PMA_escape_mysql_wildcards($tbl_group) . '%"';
 113 } else {
 114     $tbl_group_sql = '';
 115 }
 116
 117 if ($cfg['ShowTooltip']) {
 118     $tooltip_truename = array();
 119     $tooltip_aliasname = array();
 120 }
 121
 122 // Special speedup for newer MySQL Versions (in 4.0 format changed)
 123 if (true === $cfg['SkipLockedTables']) {
 124     $db_info_result = PMA_DBI_query('SHOW OPEN TABLES FROM ' . PMA_backquote($db) . ';');
 125
 126     // Blending out tables in use
 127     if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 128         while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 129             // if in use memorize tablename
 130             if (preg_match('@in_use=[1-9]+@i', $tmp[1])) {
 131                 $sot_cache[$tmp[0]] = true;
 132             }
 133         }
 134         PMA_DBI_free_result($db_info_result);
 135
 136         if (isset($sot_cache)) {
 137             $db_info_result = PMA_DBI_query(
 138                 'SHOW TABLES FROM ' . PMA_backquote($db) . $tbl_group_sql . ';',
 139                 null, PMA_DBI_QUERY_STORE);
 140             if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
 141                 while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
 142                     if (!isset($sot_cache[$tmp[0]])) {
 143                         $sts_result  = PMA_DBI_query(
 144                             'SHOW TABLE STATUS FROM ' . PMA_backquote($db)
 145                              . ' LIKE \'' . addslashes($tmp[0]) . '\';');
 146                         $sts_tmp     = PMA_DBI_fetch_assoc($sts_result);
 147                         PMA_DBI_free_result($sts_result);
 148                         unset($sts_result);
 149
 150                         if (!isset($sts_tmp['Type']) && isset($sts_tmp['Engine'])) {
 151                             $sts_tmp['Type'] =& $sts_tmp['Engine'];
 152                         }
 153
 154                         if (!empty($tbl_group) && $cfg['ShowTooltipAliasTB']
 155                          && !preg_match('@' . preg_quote($tbl_group, '@') . '@i', $sts_tmp['Comment'])) {
 156                             continue;
 157                         }
 158
 159                         if ($cfg['ShowTooltip']) {
 160                             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $sts_tmp);
 161                         }
 162
 163                         $tables[$sts_tmp['Name']]    = $sts_tmp;
 164                     } else { // table in use
 165                         $tables[$tmp[0]]    = array('Name' => $tmp[0]);
 166                     }
 167                 }
 168                 if ($GLOBALS['cfg']['NaturalOrder']) {
 169                     uksort($tables, 'strnatcasecmp');
 170                 }
 171
 172                 $sot_ready = true;
 173             } elseif ($db_info_result) {
 174                 PMA_DBI_free_result($db_info_result);
 175             }
 176             unset($sot_cache);
 177         }
 178         unset($tmp);
 179     } elseif ($db_info_result) {
 180         PMA_DBI_free_result($db_info_result);
 181     }
 182 }
 183
 184 if (! isset($sot_ready)) {
 185     if (! empty($tbl_group) && ! $cfg['ShowTooltipAliasTB']) {
 186         // only tables for selected group
 187         $tables = PMA_DBI_get_tables_full($db, $tbl_group, true);
 188     } elseif (! empty($tbl_group) && $cfg['ShowTooltipAliasTB']) {
 189         // only tables for selected group,
 190         // but grouping is done on comment ...
 191         $tables = PMA_DBI_get_tables_full($db, $tbl_group, 'comment');
 192     } else {
 193         // all tables in db
 194         $tables = PMA_DBI_get_tables_full($db);
 195     }
 196
 197     if ($cfg['ShowTooltip']) {
 198         foreach ($tables as $each_table) {
 199             PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $each_table);
 200         }
 201     }
 202 }
 203
 204 /**
 205  * @global int count of tables in db
 206  */
 207 $num_tables = count($tables);
 208
 209 /**
 210  * cleanup
 211  */
 212 unset($each_table, $tbl_group_sql, $db_info_result);
 213
 214 /**
 215  * Displays top menu links
 216  */
 217 require './libraries/db_links.inc.php';
 218 ?>