Print the contents of Kafka topics to the ksqlDB CLI.
The PRINT statement supports the following properties:
|FROM BEGINNING||Print starting with the first message in the topic. If not specified, PRINT starts with the most recent message.|
|INTERVAL interval||Print every
|LIMIT limit||Stop printing after
The following statement shows how to print all of the records in a topic named
ksqlDB attempts to determine the format of the data in the topic and outputs what it thinks are the key and value formats at the top of the output.
Attempting to determine a data format from only the serialized bytes is not an exact science!
For example, it is not possible to distinguish between serialized
because they both occupy eight bytes. Short strings can also be mistaken for serialized numbers.
Where it appears different records are using different formats ksqlDB will state the format is
Your output should resemble:
1 2 3 4 5
Page last revised on: 2020-04-29