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Summery Summery
Drops a specified index from a table.
Syntax Syntax
Parameters Parameters
- $table
-
(Required) Database table name.
- $index
-
(Required) Index name to drop.
Return Return
(true) True, when finished.
Source 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;
}
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Changelog Changelog
| Version | Description |
|---|---|
| 1.0.1 | Introduced. |