function db_drop_index

1 database.inc db_drop_index($table, $name)

Drops an index.

Parameters

$table: The table to be altered.

$name: The name of the index.

Related topics

Schema API API to handle database schemas.

10 calls to db_drop_index()

comment_update_1000 in core/modules/comment/comment.install: Renames {comment}.language to {comment}.langcode.
file_update_1003 in core/modules/file/file.install: Add a type column to the file_managed table, and add a file_metadata table.
locale_update_1005 in core/modules/locale/locale.install: Convert source and translation from blob to text.
node_update_1014 in core/modules/node/node.install: Change {history}.nid to an unsigned int in order to match {node}.nid.
redirect_update_1001 in core/modules/redirect/redirect.install: Rename the language column to langcode, drop inactive redirects.

... See full list

File

core/includes/database/database.inc, line 3074: Core systems for the database layer.

Code

function db_drop_index($table, $name) {
  return Database::getConnection()->schema()->dropIndex($table, $name);
}