+1

Dongjoon.

On 2026/03/04 23:39:58 Qiegang Long wrote:
> +1
> 
> Qiegang
> 
> On Tue, Mar 3, 2026 at 7:57 PM Gengliang Wang <[email protected]> wrote:
> 
> > Hi Spark devs,
> >
> > I'd like to call a vote on the SPIP*: Change Data Capture (CDC) Support*
> >
> > *Summary:*
> >
> > This SPIP proposes a unified approach by adding a CHANGES SQL clause and
> > corresponding DataFrame/DataStream APIs that work across DSv2 connectors.
> >
> > 1. Standardized User API
> >
> > SQL:
> >
> > -- Batch: What changed between version 10 and 20?
> >
> > SELECT * FROM my_table CHANGES FROM VERSION 10 TO VERSION 20;
> >
> > -- Streaming: Continuously process changes
> >
> > CREATE STREAMING TABLE cdc_sink AS
> >
> > SELECT * FROM STREAM my_table CHANGES FROM VERSION 0;
> >
> > DataFrame API:
> >
> > spark.read
> >
> >   .option("startingVersion", "10")
> >
> >   .option("endingVersion", "20")
> >
> >   .changes("my_table")
> >
> > 2. Engine-Level Post Processing Under the hood, this proposal introduces
> > a minimal Changelog interface for DSv2 connectors. Spark's Catalyst
> > optimizer will take over the CDC post-processing, including:
> >
> >    -
> >
> >    Filtering out copy-on-write carry-over rows.
> >    -
> >
> >    Deriving pre-image/post-image updates from raw insert/delete pairs.
> >    -
> >
> >    Computing net changes.
> >
> >
> > *Relevant Links:*
> >
> >    - *SPIP Doc: *
> >    
> > https://docs.google.com/document/d/1-4rCS3vsGIyhwnkAwPsEaqyUDg-AuVkdrYLotFPw0U0/edit?usp=sharing
> >    - *Discuss Thread: *
> >    https://lists.apache.org/thread/dhxx6pohs7fvqc3knzhtoj4tbcgrwxts
> >    - *JIRA: *https://issues.apache.org/jira/browse/SPARK-55668
> >
> >
> > *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 ...
> >
> > Thanks,
> > Gengliang Wang
> >
> 

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