drop_index( string $table, string $index )

Drops a specified index from a table.


Parameters

$table

(string) (Required) Database table name.

$index

(string) (Required) Index name to drop.


Return

(true) True, when finished.


Source

File: wp-admin/includes/upgrade.php

function drop_index($table, $index) {
	global $wpdb;
	$wpdb->hide_errors();
	$wpdb->query("ALTER TABLE `$table` DROP INDEX `$index`");
	// Now we need to take out all the extra ones we may have created
	for ($i = 0; $i < 25; $i++) {
		$wpdb->query("ALTER TABLE `$table` DROP INDEX `{$index}_$i`");
	}
	$wpdb->show_errors();
	return true;
}


Changelog

Changelog
Version Description
WP-1.0.1 Introduced.