drop_index( string $table, string $index ): true
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
.
View all references
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
Version | Description |
---|---|
1.0.1 | Introduced. |