yaooqinn commented on a change in pull request #26599: [SPARK-29961][SQL]
Implement builtin function - typeof
URL: https://github.com/apache/spark/pull/26599#discussion_r348486275
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File path: sql/core/src/test/resources/sql-tests/inputs/misc-functions.sql
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@@ -0,0 +1,10 @@
+-- test for misc functions
+
+-- typeof
+select typeof(null);
+select typeof(true);
+select typeof(1Y), typeof(1S), typeof(1), typeof(1L);
Review comment:
In `CatalystTypeConverters`
```scala
/**
* Converts Scala objects to Catalyst rows / types.
*
* Note: This should be called before do evaluation on Row
* (It does not support UDT)
* This is used to create an RDD or test results with correct types for
Catalyst.
*/
def convertToCatalyst(a: Any): Any = a match {
```
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