more partition stuff

This commit is contained in:
Marc Delisle
2007-10-26 12:40:23 +00:00
parent 5f2d082a1b
commit 518cb592e5
3 changed files with 66 additions and 1 deletions

View File

@@ -0,0 +1,55 @@
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
* Library for extracting information about the partitions
*
* @version $Id$
*/
/**
* base Partition Class
*/
class PMA_Partition
{
/**
* returns array of partition names for a specific db/table
*
* @access public
* @uses PMA_DBI_fetch_result()
* @return array of partition names
*/
static public function getPartitionNames($db, $table)
{
if (PMA_Partition::havePartitioning()) {
return PMA_DBI_fetch_result("select `PARTITION_NAME` from `information_schema`.`PARTITIONS` where `TABLE_SCHEMA` = '" . $db . "' and `TABLE_NAME` = '" . $table . "'");
} else {
return array();
}
}
/**
* checks if MySQL server supports partitioning
*
* @static
* @staticvar boolean $have_partitioning
* @staticvar boolean $already_checked
* @access public
* @uses PMA_DBI_fetch_result()
* @return boolean
*/
static public function havePartitioning()
{
static $have_partitioning = false;
static $already_checked = false;
if (! $already_checked) {
$have_partitioning = PMA_MYSQL_INT_VERSION >= 50100 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'have_partitioning';");
$already_checked = true;
}
return $have_partitioning;
}
}
?>

View File

@@ -16,6 +16,11 @@ PMA_checkParameters(array('db', 'table', 'action', 'num_fields'));
require_once './libraries/mysql_charsets.lib.php';
require_once './libraries/StorageEngine.class.php';
/**
* Class for partition management
*/
require_once './libraries/Partition.class.php';
if (is_int($cfg['DefaultPropDisplay'])) {
if ($num_fields <= $cfg['DefaultPropDisplay']) {
$display_type = 'vertical';
@@ -662,7 +667,7 @@ if ($action == 'tbl_create.php') {
</td>
</tr>
<?php
if (PMA_MYSQL_INT_VERSION >= 50100 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'have_partitioning';")) {
if (PMA_Partition::havePartitioning()) {
?>
<tr valign="top">
<th><?php echo $strPartitionDefinition; ?>:&nbsp;<?php echo PMA_showMySQLDocu('Partitioning', 'Partitioning'); ?>

View File

@@ -32,6 +32,11 @@ $cfgRelation = PMA_getRelationsParam();
require_once './libraries/mysql_charsets.lib.php';
require_once './libraries/StorageEngine.class.php';
/**
* Class for partition management
*/
require_once './libraries/Partition.class.php';
// reselect current db (needed in some cases probably due to
// the calling of relation.lib.php)
PMA_DBI_select_db($GLOBALS['db']);