drop_index() – Drops a specified index from a table.
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Description
Drops a specified index from a table.
Usage
$true = drop_index( $table, $index );
Parameters
- $table
- ( string ) required – Database table name.
- $index
- ( string ) required – Index name to drop.
Returns
true True, when finished.
Source
File name: wordpress/wp-admin/includes/upgrade.php
Lines:
1 to 16 of 16
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; }