function db_add_index

1 database.inc db_add_index($table, $name, array $fields)

Adds an index.

Parameters

string $table: The table to be altered.

string $name: The name of the index.

array $fields: An array of field names.

Return value

void:

Related topics

Schema API API to handle database schemas.

7 calls to db_add_index()

comment_update_1000 in core/modules/comment/comment.install: Renames {comment}.language to {comment}.langcode.
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.
SchemaTestCase::testSchema in core/modules/simpletest/tests/schema.test
taxonomy_update_1002 in core/modules/taxonomy/taxonomy.install: Drop the old taxonomy vocabulary table.

... See full list

File

core/includes/database/database.inc, line 3246: Core systems for the database layer.

Code

function db_add_index($table, $name, array $fields) {
  Database::getConnection()->schema()->addIndex($table, $name, $fields);
}