Github user wangyum commented on a diff in the pull request:
https://github.com/apache/spark/pull/20067#discussion_r158648321
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -2760,6 +2760,17 @@ class SQLQuerySuite extends QueryTest with
SharedSQLContext {
}
}
+ test("SPARK-22894: DateTimeOperations should accept SQL like string
type") {
+ val date = "2017-12-24"
+ val str = sql(s"SELECT CAST('$date' as STRING) + interval 2 months 2
seconds")
--- End diff --
But Spark was originally supported:
https://github.com/apache/spark/blob/bc0848b4c1ab84ccef047363a70fd11df240dbbf/sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/analysis/TypeCoercionSuite.scala#L1083
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