Begin begins a transaction using the database pointer embedded in the current context.

Get returns the database pointer embedded in the current context.

With installs a database pointer into the given context.

WithMiddleware is middleware which installs a database pointer into the given context.

RollbackTx is a sql.Tx which supports automatic rollback.

ExecerContext defines an interface which supports ExecContext calls.

QueryerContext defines an interface which supports QueryContext calls.