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                                            wang-zhun

[SPARK-39921][SQL] SkewJoin--Stream side skew in BroadcastHashJoin

### What changes were proposed in this pull request? Solve the data skew on the stream side in `BroadcastHashJoin` - When data skew needs to introduce additional shuffle, support forcibly...

SQL

[GLUTEN-7078][CORE] The fallback check for Scan should not be skipped when DPP is present

## What changes were proposed in this pull request? (Fixes: \#7078) performing fallback detection for Scan in advance is good and does not introduce any side effects. ## How was...

CORE