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[ticket/9813] Use table status row count only if greater than 100000 or exact.

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PHPBB3-9813
This commit is contained in:
Andreas Fischer 2011-12-12 02:41:48 +01:00
parent efe25a0b49
commit 97cf433dea
1 changed files with 41 additions and 26 deletions
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67
phpBB/includes/search/fulltext_native.php
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@ -1458,38 +1458,53 @@ class fulltext_native extends search_backend
}
function get_stats()
{
$this->stats['total_words'] = $this->get_table_row_count(SEARCH_WORDLIST_TABLE);
$this->stats['total_matches'] = $this->get_table_row_count(SEARCH_WORDMATCH_TABLE);
}
/**
* Gets statistics for a specific database table.
*
* @param string $table_name Table name
*
* @return string Row count. Prefixed with ~ if estimated.
*
* @access protected
*/
function get_table_row_count($table_name)
{
global $db;
switch ($db->sql_layer)
if (stripos($db->sql_layer, 'mysql') === 0)
{
case 'mysql4':
case 'mysqli':
$sql = "SHOW TABLE STATUS LIKE '" . SEARCH_WORDLIST_TABLE . "'";
$result = $db->sql_query($sql);
$this->stats['total_words'] = (int) $db->sql_fetchfield('Rows');
$db->sql_freeresult($result);
$sql = "SHOW TABLE STATUS
LIKE '" . $table_name . "'";
$result = $db->sql_query($sql);
$table_status = $db->sql_fetchrow($result);
$db->sql_freeresult($result);
$sql = "SHOW TABLE STATUS LIKE '" . SEARCH_WORDMATCH_TABLE . "'";
$result = $db->sql_query($sql);
$this->stats['total_matches'] = (int) $db->sql_fetchfield('Rows');
$db->sql_freeresult($result);
break;
default:
$sql = 'SELECT COUNT(*) as total_words
FROM ' . SEARCH_WORDLIST_TABLE;
$result = $db->sql_query($sql);
$this->stats['total_words'] = (int) $db->sql_fetchfield('total_words');
$db->sql_freeresult($result);
$sql = 'SELECT COUNT(*) as total_matches
FROM ' . SEARCH_WORDMATCH_TABLE;
$result = $db->sql_query($sql);
$this->stats['total_matches'] = (int) $db->sql_fetchfield('total_matches');
$db->sql_freeresult($result);
break;
if (isset($table_status['Engine']))
{
if ($table_status['Engine'] === 'MyISAM')
{
return $table_status['Rows'];
}
else if ($table_status['Engine'] === 'InnoDB' && $table_status['Rows'] > 100000)
{
return '~' . $table_status['Rows'];
}
}
}
// Get exact row count by actually counting rows
$sql = 'SELECT COUNT(*) AS rows_total
FROM ' . $table_name;
$result = $db->sql_query($sql);
$rows_total = $db->sql_fetchfield('rows_total');
$db->sql_freeresult($result);
return $rows_total;
}
/**