+1 (non-binding) On Mon, Apr 6, 2026 at 10:13 PM Jungtaek Lim <[email protected]> wrote:
> +1 (non-binding) > > On Tue, Apr 7, 2026 at 3:11 AM Liu Cao <[email protected]> wrote: > >> +1 (non-binding) >> >> On Mon, Apr 6, 2026 at 11:10 AM John Zhuge <[email protected]> wrote: >> >>> +1 (non-binding) >>> >>> On Mon, Apr 6, 2026 at 11:07 AM Holden Karau <[email protected]> >>> wrote: >>> >>>> +1 (binding) >>>> >>>> On Mon, Apr 6, 2026 at 10:58 AM Anish Shrigondekar via dev < >>>> [email protected]> wrote: >>>> >>>>> +1 >>>>> >>>>> Thanks, >>>>> Anish >>>>> >>>>> On Mon, Apr 6, 2026 at 10:57 AM DB Tsai <[email protected]> wrote: >>>>> >>>>>> +1 (binding) >>>>>> >>>>>> DB Tsai | https://www.dbtsai.com/ | PGP 42E5B25A8F7A82C1 >>>>>> >>>>>> On Apr 3, 2026, at 2:59 PM, Andreas Neumann <[email protected]> wrote: >>>>>> >>>>>> Hi Spark devs, >>>>>> >>>>>> I'd like to call a vote on the SPIP*: Auto CDC Support for Apache >>>>>> Spark* >>>>>> Motivation >>>>>> >>>>>> With the upcoming introduction of standardized CDC support >>>>>> <https://issues.apache.org/jira/browse/SPARK-55668>, Spark will soon >>>>>> have a unified way to produce change data feeds. However, consuming these >>>>>> feeds and applying them to a target table remains a significant >>>>>> challenge. >>>>>> >>>>>> Common patterns like SCD Type 1 (maintaining a 1:1 replica) and SCD >>>>>> Type 2 (tracking full change history) often require hand-crafted, >>>>>> complex MERGE logic. In distributed systems, these implementations >>>>>> are frequently error-prone when handling deletions or out-of-order data. >>>>>> Proposal >>>>>> >>>>>> This SPIP proposes a new "Auto CDC" flow type for Spark. It >>>>>> encapsulates the complex logic for SCD types and out-of-order data, >>>>>> allowing data engineers to configure a declarative flow instead of >>>>>> writing >>>>>> manual MERGE statements. This feature will be available in both Python >>>>>> and SQL. >>>>>> Example SQL: >>>>>> -- Produce a change feed >>>>>> CREATE STREAMING TABLE cdc.users AS >>>>>> SELECT * FROM STREAM my_table CHANGES FROM VERSION 10; >>>>>> >>>>>> -- Consume the change feed >>>>>> CREATE FLOW flow >>>>>> AS AUTO CDC INTO >>>>>> target >>>>>> FROM stream(cdc_data.users) >>>>>> KEYS (userId) >>>>>> APPLY AS DELETE WHEN operation = "DELETE" >>>>>> SEQUENCE BY sequenceNum >>>>>> COLUMNS * EXCEPT (operation, sequenceNum) >>>>>> STORED AS SCD TYPE 2 >>>>>> TRACK HISTORY ON * EXCEPT (city); >>>>>> >>>>>> *Relevant Links:* >>>>>> >>>>>> - SPIP Document: >>>>>> >>>>>> https://docs.google.com/document/d/1Hp5BGEYJRHbk6J7XUph3bAPZKRQXKOuV1PEaqZMMRoQ/ >>>>>> - *Discussion Thread: * >>>>>> https://lists.apache.org/thread/j6sj9wo9odgdpgzlxtvhoy7szs0jplf7 >>>>>> - >>>>>> >>>>>> JIRA: <https://issues.apache.org/jira/browse/SPARK-55668> >>>>>> https://issues.apache.org/jira/browse/SPARK-56249 >>>>>> >>>>>> *The vote will be open for at least 72 hours. *Please vote: >>>>>> >>>>>> [ ] +1: Accept the proposal as an official SPIP >>>>>> [ ] +0 >>>>>> [ ] -1: I don't think this is a good idea because ... >>>>>> Cheers -Andreas >>>>>> >>>>>> >>>>>> >>>>>> >>>> >>>> -- >>>> Twitter: https://twitter.com/holdenkarau >>>> Fight Health Insurance: https://www.fighthealthinsurance.com/ >>>> <https://www.fighthealthinsurance.com/?q=hk_email> >>>> Books (Learning Spark, High Performance Spark, etc.): >>>> https://amzn.to/2MaRAG9 <https://amzn.to/2MaRAG9> >>>> YouTube Live Streams: https://www.youtube.com/user/holdenkarau >>>> Pronouns: she/her >>>> >>> >>> >>> -- >>> John Zhuge >>> >> >> >> -- >> >> Liu Cao >> >> >>
