Viewing file:  db_info.inc.php (8.98 KB) -rw-r--r--
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<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Gets the list of the table in the current db and informations about these
* tables if possible
*
* fills tooltip arrays and provides $tables, $num_tables, $is_show_stats
* and $db_is_information_schema
*
* speedup view on locked tables
*
* @uses $cfg['ShowStats']
* @uses $cfg['ShowTooltip']
* @uses $cfg['ShowTooltipAliasTB']
* @uses $cfg['SkipLockedTables']
* @uses $GLOBALS['db']
* @uses PMA_fillTooltip()
* @uses PMA_checkParameters()
* @uses PMA_escape_mysql_wildcards()
* @uses PMA_DBI_query()
* @uses PMA_backquote()
* @uses PMA_DBI_num_rows()
* @uses PMA_DBI_fetch_row()
* @uses PMA_DBI_fetch_assoc()
* @uses PMA_DBI_free_result()
* @uses PMA_DBI_get_tables_full()
* @uses PMA_isValid()
* @uses preg_match()
* @uses preg_quote()
* @uses uksort()
* @uses strnatcasecmp()
* @uses count()
* @uses addslashes()
* @package phpMyAdmin
*/
if (! defined('PHPMYADMIN')) {
exit;
}
/**
* requirements
*/
require_once './libraries/common.inc.php';
/**
* limits for table list
*/
if (! isset($_SESSION['tmp_user_values']['table_limit_offset']) || $_SESSION['tmp_user_values']['table_limit_offset_db'] != $db) {
$_SESSION['tmp_user_values']['table_limit_offset'] = 0;
$_SESSION['tmp_user_values']['table_limit_offset_db'] = $db;
}
if (isset($_REQUEST['pos'])) {
$_SESSION['tmp_user_values']['table_limit_offset'] = (int) $_REQUEST['pos'];
}
$pos = $_SESSION['tmp_user_values']['table_limit_offset'];
/**
* fills given tooltip arrays
*
* @uses $cfg['ShowTooltipAliasTB']
* @uses PMA_localisedDate()
* @uses strtotime()
* @param array $tooltip_truename tooltip data
* @param array $tooltip_aliasname tooltip data
* @param array $table tabledata
*/
function PMA_fillTooltip(&$tooltip_truename, &$tooltip_aliasname, $table)
{
if (empty($table['Comment'])) {
$table['Comment'] = $table['Name'];
} else {
// why?
$table['Comment'] .= ' ';
}
if ($GLOBALS['cfg']['ShowTooltipAliasTB']
&& $GLOBALS['cfg']['ShowTooltipAliasTB'] != 'nested') {
$tooltip_truename[$table['Name']] = $table['Comment'];
$tooltip_aliasname[$table['Name']] = $table['Name'];
} else {
$tooltip_truename[$table['Name']] = $table['Name'];
$tooltip_aliasname[$table['Name']] = $table['Comment'];
}
if (isset($table['Create_time']) && !empty($table['Create_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Creation')
. ': ' . PMA_localisedDate(strtotime($table['Create_time']));
}
if (! empty($table['Update_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Last update')
. ': ' . PMA_localisedDate(strtotime($table['Update_time']));
}
if (! empty($table['Check_time'])) {
$tooltip_aliasname[$table['Name']] .= ', ' . __('Last check')
. ': ' . PMA_localisedDate(strtotime($table['Check_time']));
}
}
PMA_checkParameters(array('db'));
/**
* @global bool whether to display extended stats
*/
$is_show_stats = $cfg['ShowStats'];
/**
* @global bool whether selected db is information_schema
*/
$db_is_information_schema = false;
if ($db == 'information_schema') {
$is_show_stats = false;
$db_is_information_schema = true;
}
/**
* @global array information about tables in db
*/
$tables = array();
// When used in Nested table group mode, only show tables matching the given groupname
if (PMA_isValid($tbl_group) && !$cfg['ShowTooltipAliasTB']) {
$tbl_group_sql = ' LIKE "' . PMA_escape_mysql_wildcards($tbl_group) . '%"';
} else {
$tbl_group_sql = '';
}
if ($cfg['ShowTooltip']) {
$tooltip_truename = array();
$tooltip_aliasname = array();
}
// Special speedup for newer MySQL Versions (in 4.0 format changed)
if (true === $cfg['SkipLockedTables']) {
$db_info_result = PMA_DBI_query('SHOW OPEN TABLES FROM ' . PMA_backquote($db) . ';');
// Blending out tables in use
if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
// if in use memorize tablename
if (preg_match('@in_use=[1-9]+@i', $tmp[1])) {
$sot_cache[$tmp[0]] = true;
}
}
PMA_DBI_free_result($db_info_result);
if (isset($sot_cache)) {
$db_info_result = PMA_DBI_query(
'SHOW TABLES FROM ' . PMA_backquote($db) . $tbl_group_sql . ';',
null, PMA_DBI_QUERY_STORE);
if ($db_info_result && PMA_DBI_num_rows($db_info_result) > 0) {
while ($tmp = PMA_DBI_fetch_row($db_info_result)) {
if (!isset($sot_cache[$tmp[0]])) {
$sts_result = PMA_DBI_query(
'SHOW TABLE STATUS FROM ' . PMA_backquote($db)
. ' LIKE \'' . addslashes($tmp[0]) . '\';');
$sts_tmp = PMA_DBI_fetch_assoc($sts_result);
PMA_DBI_free_result($sts_result);
unset($sts_result);
if (!isset($sts_tmp['Type']) && isset($sts_tmp['Engine'])) {
$sts_tmp['Type'] =& $sts_tmp['Engine'];
}
if (!empty($tbl_group) && $cfg['ShowTooltipAliasTB']
&& !preg_match('@' . preg_quote($tbl_group, '@') . '@i', $sts_tmp['Comment'])) {
continue;
}
if ($cfg['ShowTooltip']) {
PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $sts_tmp);
}
$tables[$sts_tmp['Name']] = $sts_tmp;
} else { // table in use
$tables[$tmp[0]] = array('Name' => $tmp[0]);
}
}
if ($GLOBALS['cfg']['NaturalOrder']) {
uksort($tables, 'strnatcasecmp');
}
$sot_ready = true;
} elseif ($db_info_result) {
PMA_DBI_free_result($db_info_result);
}
unset($sot_cache);
}
unset($tmp);
} elseif ($db_info_result) {
PMA_DBI_free_result($db_info_result);
}
}
if (! isset($sot_ready)) {
// Set some sorting defaults
$sort = 'Name';
$sort_order = 'ASC';
if (isset($_REQUEST['sort'])) {
$sortable_name_mappings = array(
'table' => 'Name',
'records' => 'Rows',
'type' => 'Engine',
'collation' => 'Collation',
'size' => 'Data_length',
'overhead' => 'Data_free'
);
// Make sure the sort type is implemented
if (isset($sortable_name_mappings[$_REQUEST['sort']])) {
$sort = $sortable_name_mappings[$_REQUEST['sort']];
if ($_REQUEST['sort_order'] == 'DESC') {
$sort_order = 'DESC';
}
}
}
if (! empty($tbl_group) && ! $cfg['ShowTooltipAliasTB']) {
// only tables for selected group
$tables = PMA_DBI_get_tables_full($db, $tbl_group, true, null, 0, false, $sort, $sort_order);
} elseif (! empty($tbl_group) && $cfg['ShowTooltipAliasTB']) {
// only tables for selected group,
// but grouping is done on comment ...
$tables = PMA_DBI_get_tables_full($db, $tbl_group, 'comment', null, 0, false, $sort, $sort_order);
} else {
// all tables in db
// - get the total number of tables
// (needed for proper working of the MaxTableList feature)
$tables = PMA_DBI_get_tables($db);
$total_num_tables = count($tables);
if (isset($sub_part) && $sub_part == '_export') {
// (don't fetch only a subset if we are coming from db_export.php,
// because I think it's too risky to display only a subset of the
// table names when exporting a db)
/**
*
* @todo Page selector for table names?
*/
$tables = PMA_DBI_get_tables_full($db, false, false, null, 0, false, $sort, $sort_order);
} else {
// fetch the details for a possible limited subset
$tables = PMA_DBI_get_tables_full($db, false, false, null, $pos, true, $sort, $sort_order);
}
}
if ($cfg['ShowTooltip']) {
foreach ($tables as $each_table) {
PMA_fillTooltip($tooltip_truename, $tooltip_aliasname, $each_table);
}
}
}
/**
* @global int count of tables in db
*/
$num_tables = count($tables);
// (needed for proper working of the MaxTableList feature)
if (! isset($total_num_tables)) {
$total_num_tables = $num_tables;
}
/**
* cleanup
*/
unset($each_table, $tbl_group_sql, $db_info_result);
/**
* Displays top menu links
* If in an Ajax request, we do not need to show this
*/
if($GLOBALS['is_ajax_request'] != true) {
require './libraries/db_links.inc.php';
}
?>
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