Github user jiangxb1987 commented on a diff in the pull request:
https://github.com/apache/spark/pull/20433#discussion_r165233944
--- Diff:
sql/catalyst/src/test/scala/org/apache/spark/sql/catalyst/parser/ExpressionParserSuite.scala
---
@@ -561,8 +561,11 @@ class ExpressionParserSuite extends PlanTest {
Literal(CalendarInterval.fromSingleUnitString(u, s))
}
- // Empty interval statement
- intercept("interval", "at least one time unit should be given for
interval literal")
--- End diff --
we shall still check the empty interval statement, now it shall produce a
different error message?
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