vanzin commented on a change in pull request #23169: [SPARK-26103][SQL] Limit
the length of debug strings for query plans
URL: https://github.com/apache/spark/pull/23169#discussion_r263126339
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/StringUtils.scala
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@@ -119,4 +133,21 @@ object StringUtils {
result.toString
Review comment:
The `.toString` will allocate a new char array and trim it down to size. So
you wouldn't hold on to that extra memory.
But yeah there's a little bit of waste here which should be easy to fix, but
not critical.
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