wangyum opened a new pull request, #39571: URL: https://github.com/apache/spark/pull/39571
### What changes were proposed in this pull request? This PR implements the bloom filter join hint. Usage: ```sql SELECT /*+ BLOOM_FILTER_JOIN(bf1) */ * FROM bf1 JOIN bf2 ON bf1.c1 = bf2.c2 ``` ### Why are the changes needed? To improve the following cases: <img src="https://user-images.githubusercontent.com/5399861/212473884-9585f3b6-e103-4781-af10-7178ccd10f2b.png"; width="200" height="730"> ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
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