Same name and namespace in other branches
  1. 8.9.x core/includes/database.inc \db_index_exists()

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

7 calls to db_index_exists()
comment_update_7002 in modules/comment/comment.install
Rename {comments} table to {comment} and upgrade it.
comment_update_7004 in modules/comment/comment.install
Upgrade the {node_comment_statistics} table.
DatabaseRegressionTestCase::testDBIndexExists in modules/simpletest/tests/database_test.test
Test the db_index_exists() function.
UserUpdatePathTestCase::testFilledUpgrade in modules/simpletest/tests/upgrade/update.user.test
Tests that the update is successful.
user_update_7018 in modules/user/user.install
Ensure there is an index on {users}.picture.

... See full list

File

includes/database/database.inc, line 2867
Core systems for the database layer.

Code

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