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bug #1396998, avoid displaying exact row count for views, work in progress

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This commit is contained in:
Marc Delisle
2006-01-28 12:04:29 +00:00
parent 4acccdba7c
commit 54b07d2f66
2 changed files with 50 additions and 5 deletions
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50
libraries/common.lib.php
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@@ -1238,11 +1238,36 @@ if (!defined('PMA_MINIMUM_COMMON')) {
return $the_crlf;
} // end of the 'PMA_whichCrlf()' function
/**
* Checks if this "table" is a view
*
* @param string the database name
* @param string the table name
*
* @return boolean whether this is a view
*
* @access public
*/
function PMA_tableIsView($db, $table) {
// maybe we already know if the table is a view
if (isset($GLOBALS['tbl_is_view']) && $GLOBALS['tbl_is_view']) {
return true;
}
// old MySQL version: no view
if (PMA_MYSQL_INT_VERSION < 50000) {
return false;
}
if ( false === PMA_DBI_fetch_value('SELECT TABLE_NAME FROM information_schema.VIEWS WHERE TABLE_SCHEMA = \'' . $db . '\' AND TABLE_NAME = \'' . $table . '\';')) {
return false;
} else {
return true;
}
}
/**
* Counts and displays the number of records in a table
* Counts and returns (or displays) the number of records in a table
*
* Last revision 13 July 2001: Patch for limiting dump size from
* Revision 13 July 2001: Patch for limiting dump size from
* vinay@sanisoft.com & girish@sanisoft.com
*
* @param string the current database name
@@ -1267,15 +1292,30 @@ if (!defined('PMA_MINIMUM_COMMON')) {
PMA_DBI_free_result($result);
}
$tbl_is_view = PMA_tableIsView($db, $table);
if (!isset($num)) {
$result = PMA_DBI_query('SELECT COUNT(*) AS num FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table));
list($num) = ($result) ? PMA_DBI_fetch_row($result) : array(0);
PMA_DBI_free_result($result);
if (! $tbl_is_view) {
$num = PMA_DBI_fetch_value('SELECT COUNT(*) AS num FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table));
// necessary?
if (! $num) {
$num = 0;
}
// since counting all rows of a view could be too long
} else {
$result = PMA_DBI_query('SELECT 1 FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table) . ' LIMIT ' . $cfg['MaxExactCount'], null, PMA_DBI_QUERY_STORE);
$num = PMA_DBI_num_rows($result);
}
}
if ($ret) {
return $num;
} else {
// Note: as of PMA 2.8.0, we no longer seem to be using
// PMA_countRecords() in display mode.
echo number_format($num, 0, $GLOBALS['number_decimal_separator'], $GLOBALS['number_thousands_separator']);
if ($tbl_is_view) {
echo '&nbsp;' . sprintf($strViewMaxExactCount, $cfg['MaxExactCount'], '[a@./Documentation.html#cfg_MaxExactCount@_blank]', '[/a]');
}
return true;
}
} // end of the 'PMA_countRecords()' function