Apache Flink 1.8.0 Released

Aljoscha Krettek announces the general availablity of Apache Flink version 1.8.0:

SQL pattern detection with user-defined functions and aggregations: The support of the MATCH_RECOGNIZE clause has been extended by multiple features. The addition of user-defined functions allows for custom logic during pattern detection (FLINK-10597), while adding aggregations allows for more complex CEP definitions, such as the following (FLINK-7599).

There are several really nice changes. I pointed out this one to get people to vote up Itzik Ben-Gan’s feedback item to get row pattern recognition in SQL Server.

Related Posts

Hooking SQL Server to Kafka

Niels Berglund has an interesting scenario for us: We see how the procedure in Code Snippet 2 takes relevant gameplay details and inserts them into the dbo.tb_GamePlay table. In our scenario, we want to stream the individual gameplay events, but we cannot alter the services which generate the gameplay. We instead decide to generate the event from the database […]

Read More

Notebooks in Azure Databricks

Brad Llewellyn takes us through Azure Databricks notebooks: Azure Databricks Notebooks support four programming languages, Python, Scala, SQL and R.  However, selecting a language in this drop-down doesn’t limit us to only using that language.  Instead, it makes the default language of the notebook.  Every code block in the notebook is run independently and we […]

Read More

Categories

April 2019
MTWTFSS
« Mar May »
1234567
891011121314
15161718192021
22232425262728
2930