ReachInfi commented on pull request #33314:
URL: https://github.com/apache/spark/pull/33314#issuecomment-952501891
@HyukjinKwon Should I close this PR?
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ReachInfi commented on pull request #33314:
URL: https://github.com/apache/spark/pull/33314#issuecomment-891495888
Hi, do i need update function.scala and FunctionRegistry.scala?
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ReachInfi commented on pull request #33314:
URL: https://github.com/apache/spark/pull/33314#issuecomment-879622015
Clickhouse has two styles of bitmap fuction.
The other is as follows：
https://clickhouse.tech/docs/en/sql-reference/functions/bitmap-functions/
doris also supports
ReachInfi commented on pull request #33314:
URL: https://github.com/apache/spark/pull/33314#issuecomment-879060419
Clickhouse:
https://clickhouse.tech/docs/zh/sql-reference/aggregate-functions/reference/groupbitmapor/
I think udaf may be a good way, just like hyperloglog
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ReachInfi commented on pull request #33314:
URL: https://github.com/apache/spark/pull/33314#issuecomment-878808235
done
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