Github user gatorsmile commented on a diff in the pull request:
https://github.com/apache/spark/pull/11714#discussion_r56122162
--- Diff:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/rules/RuleExecutor.scala
---
@@ -46,15 +47,23 @@ abstract class RuleExecutor[TreeType <: TreeNode[_]]
extends Logging {
/**
* An execution strategy for rules that indicates the maximum number of
executions. If the
* execution reaches fix point (i.e. converge) before maxIterations, it
will stop.
+ * If throws is equal to true, it will issue an exception
AnalysisExceptions
*/
- abstract class Strategy { def maxIterations: Int }
+ abstract class Strategy {
+ def maxIterations: Int
+ def throws: Boolean
--- End diff --
sure. will do
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