protected SqlContentEntityStorageSchema::addIndex($table, $name, array $specifier, array $schema)
Creates an index, dropping it if already existing.
Parameters
string $table: The table name.
string $name: The index name.
array $specifier: The fields to index.
array $schema: The table specification.
See also
\Drupal\Core\Database\Schema::addIndex()
File
core/lib/Drupal/Core/Entity/Sql/SqlContentEntityStorageSchema.php, line 1998
Class
SqlContentEntityStorageSchema Defines a schema handler