Ben Hollis created SPARK-59511:
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Summary: ANSI type coercion allocates excessively for unchanged
expressions
Key: SPARK-59511
URL: https://issues.apache.org/jira/browse/SPARK-59511
Project: Spark
Issue Type: Improvement
Components: SQL
Affects Versions: 4.2.0
Reporter: Ben Hollis
ANSI type coercion allocates substantial temporary objects while traversing
expressions that remain unchanged. This increases analysis memory and latency
for queries with large expression trees, such as compatibility views withÂ
hundreds of branches.
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