cloud-fan commented on code in PR #44976:
URL: https://github.com/apache/spark/pull/44976#discussion_r1630428579
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sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/analysis/FunctionRegistry.scala:
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@@ -1032,7 +1026,11 @@ class SimpleTableFunctionRegistry extends
SimpleFunctionRegistryBase[LogicalPlan
override def clone(): SimpleTableFunctionRegistry = synchronized {
Review Comment:
I think there is a problem here. We don't synchronize the write path, how
can we safely clone the `ConcurrentHashMap`?
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