Database : berlintest
Restore  : NO

Operator : pysend
Number   : 1
Signature: stream(T) x int -> stream(T)
Example  : query plz feed head[7] pysend[30000] count
Result   : 7

Operator : pyreceive
Number   : 1
Signature: rel(tuple(a_1 t1)..(a_n t_n)) x int -> stream(tuple(...))
Example  : let X = [const rel(tuple([plz: int, Ort: string])) value ()] pyreceive[30000] consume
Result   : 7