Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/14034#discussion_r69494036
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/CheckAnalysis.scala
---
@@ -251,6 +251,22 @@ trait CheckAnalysis extends PredicateHelper {
s"but one table has '${firstError.output.length}' columns
and another table has " +
s"'${s.children.head.output.length}' columns")
+ case l: GlobalLimit =>
+ val numRows = l.limitExpr.eval().asInstanceOf[Int]
+ if (numRows < 0) {
+ failAnalysis(
+ s"number_rows in limit clause must be equal to or greater
than 0. " +
+ s"number_rows:$numRows")
+ }
+
+ case l: LocalLimit =>
--- End diff --
I do not think we can merge them, but, yeah, we can create a local function
for it. Thank you!
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