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[phpmyadmin.git] / libraries / Partition.class.php
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1 <?php
2 /* vim: set expandtab sw=4 ts=4 sts=4: */
3 /**
4 * Library for extracting information about the partitions
6 * @package PhpMyAdmin
7 */
10 /**
11 * base Partition Class
12 * @package PhpMyAdmin
14 class PMA_Partition
16 /**
17 * returns array of partition names for a specific db/table
19 * @access public
20 * @return array of partition names
22 static public function getPartitionNames($db, $table)
24 if (PMA_Partition::havePartitioning()) {
25 return PMA_DBI_fetch_result("select `PARTITION_NAME` from `information_schema`.`PARTITIONS` where `TABLE_SCHEMA` = '" . $db . "' and `TABLE_NAME` = '" . $table . "'");
26 } else {
27 return array();
31 /**
32 * checks if MySQL server supports partitioning
34 * @static
35 * @staticvar boolean $have_partitioning
36 * @staticvar boolean $already_checked
37 * @access public
38 * @return boolean
40 static public function havePartitioning()
42 static $have_partitioning = false;
43 static $already_checked = false;
45 if (! $already_checked) {
46 $have_partitioning = PMA_MYSQL_INT_VERSION >= 50100 && PMA_DBI_fetch_value("SHOW VARIABLES LIKE 'have_partitioning';");
47 $already_checked = true;
49 return $have_partitioning;