- 
                  prepare(on:Asynchronous) DeclarationSwift func prepare(on database: Database) async throws
- 
                  revert(on:Asynchronous) DeclarationSwift func revert(on database: Database) async throws
- 
                  create_index(on:AsynchronoustableName: columnName: ) DeclarationSwift func create_index(on sqlDatabase: SQLDatabase, tableName: String, columnName: String) async throws
- 
                  drop_index(on:AsynchronoustableName: columnName: ) DeclarationSwift func drop_index(on sqlDatabase: SQLDatabase, tableName: String, columnName: String) async throws
 View on GitHub
            View on GitHub
           CreatePerformanceIndexes Structure Reference
      CreatePerformanceIndexes Structure Reference