function db_index_exists

7.x database.inc db_index_exists($table, $name)
8.x database.inc db_index_exists($table, $name)

Checks if an index exists in the given table.

Parameters

$table: The name of the table in drupal (no prefixing).

$name: The name of the index in drupal (no prefixing).

Return value

TRUE if the given index exists, otherwise FALSE.

Related topics

9 calls to db_index_exists()
aggregator_update_7004 in drupal/modules/aggregator/aggregator.install
Add index on timestamp.
BasicMinimalUpdatePath::testBasicMinimalUpdate in drupal/modules/simpletest/tests/upgrade/upgrade.test
Tests a successful point release update.
comment_update_7002 in drupal/modules/comment/comment.install
Rename {comments} table to {comment} and upgrade it.
comment_update_7004 in drupal/modules/comment/comment.install
Upgrade the {node_comment_statistics} table.
DatabaseRegressionTestCase::testDBIndexExists in drupal/modules/simpletest/tests/database_test.test
Test the db_index_exists() function.

... See full list

File

drupal/includes/database/database.inc, line 2783
Core systems for the database layer.

Code

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