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Posted to commits@gluten.apache.org by "lgbo-ustc (via GitHub)" <gi...@apache.org> on 2024/09/04 02:19:47 UTC
[I] [CH] With AQE disable, join tables reordering works wrong [incubator-gluten]
lgbo-ustc opened a new issue, #7108:
URL: https://github.com/apache/incubator-gluten/issues/7108
### Backend
CH (ClickHouse)
### Bug description
[Expected behavior] and [actual behavior].
We have a sql as following
```sql
select t1 left join t2 on t1.a = t2.a
```
`t2` only contains less then 100 rows, the the final plan uses `t1` as the build side table.
### Spark version
None
### Spark configurations
_No response_
### System information
_No response_
### Relevant logs
_No response_
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Re: [I] [Core] With AQE disable, join tables reordering works wrong [incubator-gluten]
Posted by "lgbo-ustc (via GitHub)" <gi...@apache.org>.
lgbo-ustc commented on issue #7108:
URL: https://github.com/apache/incubator-gluten/issues/7108#issuecomment-2327849724
@zhztheplayer I think this is a problem
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Re: [I] [CH] With AQE disable, join tables reordering works wrong [incubator-gluten]
Posted by "lgbo-ustc (via GitHub)" <gi...@apache.org>.
lgbo-ustc commented on issue #7108:
URL: https://github.com/apache/incubator-gluten/issues/7108#issuecomment-2327848750
Print the stats from `logicalLink`
```
24/09/04 11:36:22.563 ERROR [main] OffloadJoin: xxx left stats: Statistics(sizeInBytes=48.9 GiB), right stats: Statistics(sizeInBytes=8.0 EiB)
```
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