huangtengfei created SPARK-35411:
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Summary: Essential information missing in TreeNode json string
Key: SPARK-35411
URL: https://issues.apache.org/jira/browse/SPARK-35411
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 3.1.1
Reporter: huangtengfei
TreeNode can be serialized to json string with the method toJSON() or
prettyJson(). To avoid OOM issues,
[SPARK-17426|http://example.comhttps//issues.apache.org/jira/browse/SPARK-17426]
only keep part of Seq data that can be written out to result json string.
Essential data like
[cteRelations|https://github.com/apache/spark/blob/v3.1.1/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/plans/logical/basicLogicalOperators.scala#L497]
in node With,
[branches|https://github.com/apache/spark/blob/v3.1.1/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/conditionalExpressions.scala#L123]
in CaseWhen will be skipped and written out as null.
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