peter-toth commented on a change in pull request #23531: [SPARK-24497][SQL]
Support recursive SQL query
URL: https://github.com/apache/spark/pull/23531#discussion_r252248572
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/Analyzer.scala
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@@ -202,19 +203,58 @@ class Analyzer(
Batch("Subquery", Once,
UpdateOuterReferences),
Batch("Cleanup", fixedPoint,
- CleanupAliases)
+ CleanupAliases),
+ Batch("Recursion", Once,
+ CheckRecursionConstraints)
)
+ object ResolveRecursiveReferneces extends Rule[LogicalPlan] {
Review comment:
I just realized that this can be a good catch. Let me look into this...
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