Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/18853#discussion_r155123662
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercion.scala
---
@@ -45,10 +46,9 @@ import org.apache.spark.sql.types._
*/
object TypeCoercion {
- val typeCoercionRules =
+ private val commonTypeCoercionRules =
InConversion ::
--- End diff --
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