HeartSaVioR commented on a change in pull request #23822: [MINOR][DOC] Add note
regarding proper usage of QueryExecution.toRdd
URL: https://github.com/apache/spark/pull/23822#discussion_r257830704
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/QueryExecution.scala
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@@ -92,6 +92,8 @@ class QueryExecution(
* accessing after iteration. (Calling `collect()` is one of known bad
usage.)
* If you want to store these rows into collection, please apply some
converter or copy row
* which produces new object per iteration.
+ * Given QueryExecution is not a public class, end users are discouraged to
use this: please
+ * user `Dataset.rdd` instead which conversion will be applied.
Review comment:
Nice finding. Applied.
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