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Is there a way to consume a Kafka Ksql Push query from .NET
Yes, you can use ksqldb to do this-- Declare a stream on the source topic -- Because it's JSON you'll need to specify the schema CREATE STREAM my_source (COL1 VARCHAR, COL2 INT) WITH (KAFKA_TOPIC='my_source_topic', VALUE_FORMAT='JSON'); -- Apply the filter to the stream, with the results written -- to a new stream (backed by a new topic) CREATE STREAM …
Stackoverflow.comksqldb - Empty KSQL Stream - Stack Overflow
May 2, 2019 · Hmmm looking again, if it's Avro, you don't need to declare the columns. Just create stream test with (KAFKA_TOPIC= 'output__tfrema',VALUE_FORMAT='AVRO'); will work, if you have a valid schema. i try that one but it says : VALUE_FORMAT should be set in WITH clause of CREATE STREAM/TABLE statement.
Stackoverflow.comKSQLDB - Getting data from debezium cdc source connector and …
Jul 15, 2021 · folks. Let me introduce the scenario first: I'm getting data from two tables in a MS SQL SERVER by using Debezium CDC Source Connector.
Stackoverflow.comKSQLDB, create table from a kafka topic not working?
Sep 27, 2021 · I tried to create a table using, CREATE TABLE partner (partnerID INTEGER PRIMARY KEY, name VARCHAR) WITH. (KAFKA_TOPIC = 'test.RF.partner',VALUE_FORMAT='AVRO'); Then when I do this the result I am getting is empty data, the data from topic is not going into the table, SELECT * FROM partner EMIT …
Stackoverflow.comHow to display data from ksqlDB in UI? - Stack Overflow
May 19, 2020 · Totally depends what you're trying to achieve. I'd recommend looking at installing the free confluent platform to get yourself a working environment with everything you need to run ksqldb. Then head over to ksqldb.io to get started. – Andrew Coates. May 23, 2020 at 0:44. Ineed for example to show users positions on the map.
Stackoverflow.comHow can I use the full ksqldb client api with gradle?
Jan 12, 2021 · val client: Client = io.confluent.ksql.api.client.Client.create(clientOptions) val topics = client.listTopics() //not available in 6.0.0. } Edit: Based on @Hellmar Becker's post I would like to use the standalone (community) version not the commercial Confluent Platform version.
Stackoverflow.comksqldb - KSQL: EXPLODE in WHERE expression - Stack Overflow
Jan 31, 2021 · I have an avro input_stream something like this: VERSION STRING, ID STRUCT< NAME STRING, STATUS STRING >, ROLES ARRAY< STRUCT< DESC STRING, TYPE STRING > >
Stackoverflow.comHow Create KSQLdb Stream fields from nested JSON Object
Sep 15, 2020 · There is an ksqldb function called extractjsonfield that you can use. First, you need to extract the schema and payload fields: schema VARCHAR, payload VARCHAR. KAFKA_TOPIC='customers', VALUE_FORMAT='JSON'. Then …
Stackoverflow.comjava - How to query directly from a kafka topic? - Stack Overflow
Jan 2, 2020 · Declare the stream: WITH (KAFKA_TOPIC='test3',VALUE_FORMAT='JSON'); Filter the stream as data arrives. Everyone always forgets to add that you can use an interactive query if the underlying dataset is small and can be materialized. For example, you cannot efficiently find a message by key in a huge topic.
Stackoverflow.comIs it possible to get the latest value for a message key from kafka
Apr 2, 2020 · Since you've not specified a particular client, I'll show you how this can be done with ksqldb and the newly-added function, LATEST_BY_OFFSET. First, I populate the topic with source data: kafkacat -b broker:29092 -P -t test_topic -K: <