Wechar created SPARK-53764:
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Summary: Collapse nested get_json_object
Key: SPARK-53764
URL: https://issues.apache.org/jira/browse/SPARK-53764
Project: Spark
Issue Type: Improvement
Components: Optimizer
Affects Versions: 4.0.1
Reporter: Wechar
User may use intermediate table and get nested {{get_json_object}} expressions,
which could be collapsed to one {{get_json_object}} expression. After the
collapse, Spark need traverse the path only once, which can improve the
performance.
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