gistfile1.txt

// Databaser is implemented by pgx.ConnPool, pgx.Conn and pgx.Tx
// model.XODB is a subset of global.Database
type Databaser interface {
        Exec(string, ...interface{}) (pgx.CommandTag, error)
        Query(sql string, args ...interface{}) (*pgx.Rows, error)
        QueryRow(sql string, args ...interface{}) *pgx.Row
        Prepare(name, sql string) (*pgx.PreparedStatement, error)
}

// Txer is implemented by pgx.ConnPool and pgx.Conn
type Txer interface {
        Databaser
        Begin() (*pgx.Tx, error)
}