cfmcgrady commented on a change in pull request #32488:
URL: https://github.com/apache/spark/pull/32488#discussion_r640230068
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/UnwrapCastInBinaryComparison.scala
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@@ -21,15 +21,15 @@ import org.apache.spark.sql.catalyst.expressions._
import org.apache.spark.sql.catalyst.expressions.Literal.FalseLiteral
import org.apache.spark.sql.catalyst.plans.logical.LogicalPlan
import org.apache.spark.sql.catalyst.rules.Rule
-import org.apache.spark.sql.catalyst.trees.TreePattern.BINARY_COMPARISON
+import org.apache.spark.sql.catalyst.trees.TreePattern.{BINARY_COMPARISON, IN}
import org.apache.spark.sql.types._
/**
- * Unwrap casts in binary comparison operations with patterns like following:
+ * Unwrap casts in binary comparison or `In` operations with patterns like
following:
*
- * `BinaryComparison(Cast(fromExp, toType), Literal(value, toType))`
- * or
- * `BinaryComparison(Literal(value, toType), Cast(fromExp, toType))`
+ * - `BinaryComparison(Cast(fromExp, toType), Literal(value, toType))`
+ * - `BinaryComparison(Literal(value, toType), Cast(fromExp, toType))`
+ * - `In(Cast(fromExp, toType), Seq(Literal(v1, toType), Literal(v2, toType),
...)`
Review comment:
Updated and add `InSet` support.
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