[GitHub] [spark] gengliangwang commented on a diff in pull request #38511: [SPARK-41017][SQL] Support column pruning with multiple nondeterministic Filters

[GitBox <gi...@apache.org>]

gengliangwang commented on code in PR #38511:
URL: https://github.com/apache/spark/pull/38511#discussion_r1023204106


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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/planning/patterns.scala:
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@@ -85,15 +72,25 @@ object PhysicalOperation extends AliasHelper with PredicateHelper {
         // projects. We need to meet the following conditions to do so:
         //   1) no Project collected so far or the collected Projects are all deterministic
         //   2) the collected filters and this filter are all deterministic, or this is the
-        //      first collected filter.
+        //      first collected filter. This condition can be relaxed if `canKeepMultipleFilters` is

Review Comment:
   TBH, the comment here is hard to understand..



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