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Get row count by SHOW TABLE STATUS, and by SELECT COUNT(*) only for small (<20000 rows) tables (RFE #708533).

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Michal Čihař
2003-04-10 16:23:45 +00:00
parent 03a6ff4124
commit 5e95ec6944
5 changed files with 23 additions and 14 deletions
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17
libraries/common.lib.php3
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@@ -1224,9 +1224,20 @@ h1 {font-family: sans-serif; font-size: large; font-weight: bold}
*/
function PMA_countRecords($db, $table, $ret = FALSE)
{
$result = PMA_mysql_query('SELECT COUNT(*) AS num FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table));
$num = ($result) ? PMA_mysql_result($result, 0, 'num') : 0;
mysql_free_result($result);
global $err_url;
if (PMA_MYSQL_INT_VERSION >= 32303) {
$local_query = 'SHOW TABLE STATUS LIKE \'' . PMA_sqlAddslashes($table, TRUE) . '\' FROM \'' . PMA_sqlAddslashes($table, TRUE) . '\'';
$result = PMA_mysql_query($local_query) or PMA_mysqlDie('', $local_query, '', $err_url);
$showtable = PMA_mysql_fetch_array($result);
$num = (isset($showtable['Rows']) ? $showtable['Rows'] : 0);
if ($num < 20000) unset($num);
mysql_free_result($result);
}
if (!isset($num)) {
$result = PMA_mysql_query('SELECT COUNT(*) AS num FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table)) or PMA_mysqlDie('', $local_query, '', $err_url);
$num = ($result) ? PMA_mysql_result($result, 0, 'num') : 0;
mysql_free_result($result);
}
if ($ret) {
return $num;
} else {