drop_index()

最后更新于:2021-11-26 03:59:50

drop_index( string$table, string$index)

Drops a specified index from a table.

参数

$table

(string) (Required) Database table name.

$index

(string) (Required) Index name to drop.

响应

(true) True, when finished.

源文件

文件: gc-admin/includes/upgrade.php

function drop_index( $table, $index ) {
	global $gcdb;

	$gcdb->hide_errors();

	$gcdb->query( "ALTER TABLE `$table` DROP INDEX `$index`" );

	// Now we need to take out all the extra ones we may have created.
	for ( $i = 0; $i < 25; $i++ ) {
		$gcdb->query( "ALTER TABLE `$table` DROP INDEX `{$index}_$i`" );
	}

	$gcdb->show_errors();

	return true;
}