LiangchangZ opened a new pull request #24457: [SPARK-27340][SS] Alias on
TimeWindow expression may cause watermark metadata lost
URL: https://github.com/apache/spark/pull/24457
## What changes were proposed in this pull request?
`window($"fooTime", "2 seconds").alias("fooWindow")` ca
LiangchangZ opened a new pull request #24457: [SPARK-27340][SS] Alias on
TimeWindow expression may cause watermark metadata lost
URL: https://github.com/apache/spark/pull/24457
## What changes were proposed in this pull request?
`window($"fooTime", "2 seconds").alias("fooWindow")` ca
