[GLUTEN-4745][CH]nulls first for MergeJoinTransform - Githubissues

Kyligence / ClickHouse

ClickHouse® is a free analytics DBMS for big data

https://clickhouse.com

Apache License 2.0

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[GLUTEN-4745][CH]nulls first for MergeJoinTransform #483

Closed loudongfeng closed 5 months ago

loudongfeng commented 6 months ago

Spark's sort merge join use sort order asc and nulls first. So make MergeJoinTransform follow that rule.

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