Github user chenghao-intel commented on a diff in the pull request:
https://github.com/apache/spark/pull/4926#discussion_r26013144
--- Diff: sql/hive/src/test/scala/org/apache/spark/sql/hive/UDFSuite.scala
---
@@ -32,5 +32,6 @@ class UDFSuite extends QueryTest {
assert(sql("SELECT RANDOM0() FROM src LIMIT 1").head().getDouble(0) >=
0.0)
assert(sql("SELECT RANDOm1() FROM src LIMIT 1").head().getDouble(0) >=
0.0)
assert(sql("SELECT strlenscala('test', 1) FROM src LIMIT
1").head().getInt(0) === 5)
+ assert(sql("SELECT current_database()").head().getString(0) ===
"default")
--- End diff --
`SELECT` clause without `FROM` HiveQL seems not supported. Can you confirm
if it pass the unit test in your local?
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