yikf opened a new pull request #32483:
URL: https://github.com/apache/spark/pull/32483
### What changes were proposed in this pull request?
In the case of `insert into...select...limit` , `CollectLimitExec` has
better execution performance than `GlobalLimit` .
Before:
```
== Physical Plan ==
Execute InsertIntoHadoopFsRelationCommand ...
+- *(2) GlobalLimit 5
+- Exchange SinglePartition, true, id=#39
+- *(1) LocalLimit 5
+- *(1) ColumnarToRow
+- FileScan ...
```
After:
```
== Physical Plan ==
Execute InsertIntoHadoopFsRelationCommand ...
+- CollectLimit 5
+- *(1) ColumnarToRow
+- FileScan ....
```
### Why are the changes needed?
improve execution performance.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
Add new test
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