cloud-fan commented on a change in pull request #26013: [SPARK-29347][SQL] Add
JSON serialization for external Rows
URL: https://github.com/apache/spark/pull/26013#discussion_r331915644
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -155,7 +155,12 @@ object SQLConf {
confGetter.get()()
}
} else {
- confGetter.get()()
+ val conf = existingConf.get()
+ if (conf != null) {
Review comment:
How could conf be null here? This code path means we are at driver side and
not in the scheduler event loop thread.
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