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SHOW TABLE STATUS / SELECT COUNT (*) fixes continues, now configurable

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Michal Čihař
2003-04-11 11:59:44 +00:00
parent e88ea8aa51
commit 182e06e3f1
4 changed files with 21 additions and 9 deletions
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6
ChangeLog
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@@ -5,6 +5,12 @@ phpMyAdmin - Changelog
$Id$
$Source$
2003-04-11 Michal Cihar <nijel@users.sourceforge.net>
* db_details_structure.php3: Get row count by SHOW TABLE STATUS, and by
SELECT COUNT(*) only for small (<20000 rows) tables (RFE #708533).
* config.inc.php3, db_details_structure.php3, libraries/common.lib.php3:
$cfg['MaxExactCount'] is now used instead of hardcoded 20000 for above.
2003-04-10 Michal Cihar <nijel@users.sourceforge.net>
* pdf_schema.php3, libraries/common.lib.php3,
libraries/display_tbl.lib.php3, libraries/get_foreign.lib.php3: Get row

2
config.inc.php3
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@@ -412,6 +412,8 @@ $cfg['QueryWindowDefTab'] = 'sql'; // which tab to display in the query
$cfg['QueryHistoryMax'] = 25; // When using DB-based query history, how many entries
// should be kept?
$cfg['BrowseMIME'] = TRUE; // Use MIME-Types (stored in column comments table) for
$cfg['MaxExactCount'] = 20000; // When approximate count < this, PMA will get exact count for
// table rows.
/**
* SQL Query box settings

18
db_details_structure.php3
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@@ -240,13 +240,17 @@ else if (PMA_MYSQL_INT_VERSION >= 32303) {
}
//$display_rows = '&nbsp;-&nbsp;';
// get row count with another method
$local_query = 'SELECT COUNT(*) AS count FROM '
. PMA_backquote($db) . '.'
. PMA_backquote($table);
$table_info_result = PMA_mysql_query($local_query)
or PMA_mysqlDie('', $local_query, '', $err_url_0);
$row_count = PMA_mysql_result($table_info_result, 0, 'count');
$sum_entries += $row_count;
if ($sts_data['Rows'] < $cfg['MaxExactCount']) {
$local_query = 'SELECT COUNT(*) AS count FROM '
. PMA_backquote($db) . '.'
. PMA_backquote($table);
$table_info_result = PMA_mysql_query($local_query)
or PMA_mysqlDie('', $local_query, '', $err_url_0);
$row_count = PMA_mysql_result($table_info_result, 0, 'count');
$sum_entries += $row_count;
} else {
$sum_entries += $sts_data['Rows'];
}
$display_rows = number_format($row_count, 0, $number_decimal_separator, $number_thousands_separator);
}

4
libraries/common.lib.php3
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@@ -1224,13 +1224,13 @@ h1 {font-family: sans-serif; font-size: large; font-weight: bold}
*/
function PMA_countRecords($db, $table, $ret = FALSE)
{
global $err_url;
global $err_url, $cfg;
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($num);
if ($num < $cfg['MaxExactCount']) unset($num);
mysql_free_result($result);
}
if (!isset($num)) {