Github user marmbrus commented on a diff in the pull request:
https://github.com/apache/spark/pull/3839#discussion_r22365769
--- Diff: sql/core/src/test/scala/org/apache/spark/sql/SQLQuerySuite.scala
---
@@ -154,6 +155,33 @@ class SQLQuerySuite extends QueryTest with
BeforeAndAfterAll {
Nil)
}
+ test("support cast date data type") {
+ checkAnswer(sql(
+ "SELECT d from dates where d = cast('2011-01-11' as date)"),
+ java.sql.Date.valueOf("2011-01-11"))
+
+ checkAnswer(sql(
+ "SELECT d from dates where d = '2012-02-12'"),
+ java.sql.Date.valueOf("2012-02-12")
+ )
+
+ checkAnswer(sql(
+ "SELECT d from dates where d > '2012-02-12' AND d <
cast('2014-01-01' as date)"),
+ java.sql.Date.valueOf("2013-03-13")
+ )
+
+ checkAnswer(sql(
+ "SELECT d from dates where d IN('2012-02-12', '2013-03-13')"),
+ Seq(Seq(java.sql.Date.valueOf("2012-02-12")),
--- End diff --
This might be clearer as
```scala
Row(java.sql.Date.valueOf("2012-02-12")) ::
Row(java.sql.Date.valueOf("2013-03-13")) :: Nil
```
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