Files
secondo/Algebras/Kafka/Kafka.examples
2026-01-23 17:03:45 +08:00

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Database: berlintest
Restore: No
Operator : writetokafka
Number : 2
Signature : stream(tuple) x KafkaHost x KafkaTopic -> stream(tuple)
Example : query plz feed writetokafka["localhost","test"] count
Result : 40
Operator : readfromkafka
Number : 1
Signature: KafkaHost x KafkaTopic x ContinuousReading -> stream(tuple)
Example : query readfromkafka("localhost", "test", FALSE) count
Result : 7
Operator : finishStream
Number : 2
Signature: stream(tuple) x Port -> stream(tuple)
Example : query readfromkafka("localhost", "test", TRUE) finishStream[8080] consoleConsumer count
Result : 7
Operator : signalFinish
Number : 2
Signature: signalFinish(host, port)
Example : query signalFinish("localhost", 8080)
Result : 0
Operator : consoleConsumer
Number : 0
Signature : stream -> stream
Example : query plz feed consoleConsumer count
Result : 40
Operator : readfromwebsocket
Number : 1
Signature: URI x Subscription x Type -> stream(tuple)
Example : query readfromwebsocket('wss://ws.blockchain.info/inv', '{"op":"unconfirmed_sub"}', 'Operation : string /op') finishStream[8080] head[10] consume
Result : 7
Operator : installLocalKafka
Number : 0
Signature: installLocalKafka
Example : query installLocalKafka()
Result : 0
Operator : startLocalKafka
Number : 0
Signature: startLocalKafka
Example : query startLocalKafka()
Result : 0
Operator : stopLocalKafka
Number : 0
Signature: stopLocalKafka
Example : query stopLocalKafka()
Result : 0
Operator : statusLocalKafka
Number : 0
Signature: statusLocalKafka
Example : query statusLocalKafka()
Result : 0
Operator : localKafka
Number : 1
Signature: localKafka("command")
Example : query localKafka("topics")
Result : 0