maropu commented on a change in pull request #23531: [SPARK-24497][SQL] Support
recursive SQL query
URL: https://github.com/apache/spark/pull/23531#discussion_r307090403
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -1873,6 +1874,22 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val RECURSION_LEVEL_LIMIT = buildConf("spark.sql.cte.recursion.level.limit")
+ .internal()
+ .doc("Maximum level of recursion that is allowed wile executing a
recursive CTE definition." +
+ "If a query does not get exhausted before reaching this limit it fails.")
+ .intConf
+ .createWithDefault(100)
Review comment:
Can you use "-1" for the unlimited case?
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