The abstract client which handles most of the logic related to database communication.

MySQL client

MySQL 5.5 client

PostgreSQL client

SQLite client

RegExp to validate the file name

Helper method to validate if a filename is a valid migration filename. Checks both the filename syntax and length.

Nessie config options.

Amount type for migrations.

Amount type for rollbacks.

Supported dialects

Exposed object in migration files. available in up/down methods. queryBuilder is available when passing exposeQueryBuilder: true to the config file.

Logger function.

Query handler function.

Query type.

Handy type to cover printf.