Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/22379#discussion_r221449056
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala
---
@@ -520,7 +520,10 @@ object FunctionRegistry {
castAlias("date", DateType),
castAlias("timestamp", TimestampType),
castAlias("binary", BinaryType),
- castAlias("string", StringType)
+ castAlias("string", StringType),
+
+ // csv
+ expression[CsvToStructs]("from_csv")
--- End diff --
This sounds a reasonable change. cc @rxin
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