MaxGekk commented on a change in pull request #27456:
[SPARK-25040][SQL][FOLLOWUP] Add legacy config for allowing empty strings for
certain types in json parser
URL: https://github.com/apache/spark/pull/27456#discussion_r374882360
##########
File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/json/JacksonParser.scala
##########
@@ -307,6 +308,8 @@ class JacksonParser(
}
}
+ private lazy val allowEmptyString =
SQLConf.get.getConf(SQLConf.LEGACY_ALLOW_EMPTY_STRING_IN_JSON)
Review comment:
Yeh, but lazy val consumes memory as well even if it is not touched. Need to
maintain an internal flag to track that the `val` was touched or not.
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