function db_index_exists

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

File

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);
}

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https://api.drupal.org/api/drupal/includes!database!database.inc/function/db_index_exists/7.x