peter-toth commented on code in PR #40473: URL: https://github.com/apache/spark/pull/40473#discussion_r1142068268
########## sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/expressions/SubexpressionEliminationSuite.scala: ########## @@ -449,6 +449,20 @@ class SubexpressionEliminationSuite extends SparkFunSuite with ExpressionEvalHel assert(e2.getCommonSubexpressions.size == 1) assert(e2.getCommonSubexpressions.head == add) } + + test("SPARK-42851: Handle supportExpressions consistently across add and get") { + val tx = { + val arr = Literal(Array(1, 2)) + val ArrayType(et, cn) = arr.dataType + val lv = NamedLambdaVariable("x", et, cn) + val lambda = LambdaFunction(lv, Seq(lv)) + ArrayTransform(arr, lambda) + } + val equivalence = new EquivalentExpressions + val isNewExpr = equivalence.addExpr(tx) Review Comment: `.addExpr()`'s boolean result is counter-intuitive to other collection's `.add()` methods so IMO `isNewExpr` should be `!equivalence.addExpr(tx)` here. This is the reasons why I think getting rid of `.addExpr()` is probably the most straightforward fix here: https://github.com/apache/spark/pull/40488 -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org