andygrove commented on issue #6334:
URL:
https://github.com/apache/datafusion-comet/issues/6334#issuecomment-5896994827
This is a regression in 1.1.0. In 1.0.0 both queries above ran in Spark.
Comet declined the map and struct literals and fell back for the whole Project.
#5452 made complex literals native, and that is what exposes `IF` to this.
The 1.1.0 regression audit (#6399) confirmed it on 1.1.0-rc1 with a map
column, using `IF(c, m, map('z', 0))` and `IF(m IS NULL, map('z', 0), m)`. Both
fail on any batch where the predicate is the same for every row, while 1.0.0
returns Spark's answer. I've added the `regression` label, and it's tracked in
#6402.
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