db_drop_unique_key

Versionen
drupal6 – drupal7	`db_drop_unique_key(&$ret, $table, $name)`

Drop a unique key.

$ret Array to which query results will be added.

$table The table to be altered.

$name The name of the key.

search_update_7000 in modules/search/search.install: Replace unique keys in 'search_dataset' and 'search_index' by primary keys.
system_update_6005 in modules/system/system.install: Add language to url_alias table and modify indexes.
system_update_6019 in modules/system/system.install: Reconcile small differences in the previous, manually created mysql and pgsql schemas so they are the same and can be represented by a single schema structure.
system_update_6032 in modules/system/system.install: profile_fields.name used to be nullable but is part of a unique key and so shouldn't be.
system_update_6043 in modules/system/system.install: Update table indices to make them more rational and useful.
system_update_6044 in modules/system/system.install: RC1 to RC2 index cleanup.

includes/database/database.inc, line 2342

<?php
function db_drop_unique_key(&$ret, $table, $name) {
  return Database::getConnection()->schema()->dropUniqueKey($ret, $table, $name);
}
?>

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