pg

type Conn interface {
	Begin(context.Context) (pgx.Tx, error)
	Exec(context.Context, string, ...interface{}) (pgconn.CommandTag, error)
	QueryFunc(context.Context, string, []interface{}, []interface{}, func(pgx.QueryFuncRow) error) (pgconn.CommandTag, error)
	Query(context.Context, string, ...interface{}) (pgx.Rows, error)
	QueryRow(context.Context, string, ...interface{}) pgx.Row
	SendBatch(context.Context, *pgx.Batch) pgx.BatchResults
	Close()
}