func (p *Persister) GetPKCERequestSession(ctx context.Context, signature string, session fosite.Session) (_ fosite.Requester, err error) {
    ctx, span := p.r.Tracer(ctx).Tracer().Start(ctx, "persistence.sql.GetPKCERequestSession")
    defer otelx.End(span, &err)
    return p.findSessionBySignature(ctx, signature, session, sqlTablePKCE)
}