var PTransport http.RoundTripper = &http.Transport{
     Proxy: http.ProxyFromEnvironment,
}

client := http.Client{
    Transport: PTransport,
}

tx, err = db.Begin(ctx)
_, err = tx.Exec(ctx2, `UPDATE foo SET status = $1 WHERE id=$2;`, status, id)
err = tx.Commit(ctx3)

resp, err := db.Query(
ctx,
`SELECT id, key, name, status
FROM foo
WHERE id IN (`+strings.Join(placeholders, ",")+`);`,
args...,
)
etc...

db.QueryRow(context.Background(),
`UPDATE foo SET status = $1 WHERE id=$2
RETURNING status;)