Zoltán Borók-Nagy created IMPALA-13652:
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Summary: Optimize plain SELECT LIMIT queries for Iceberg tables
Key: IMPALA-13652
URL: https://issues.apache.org/jira/browse/IMPALA-13652
Project: IMPALA
Issue Type: Bug
Components: Frontend
Reporter: Zoltán Borók-Nagy
For huge Iceberg tables plain SELECT * FROM t LIMIT n; queries can take a lot
of time.
We should short circuit metadata loading and scan planning in these cases.
These queries might not important for analytics, but users execute these often
to take a look at their data (similarly to plain count(*) queries). Optimizing
these queries will provide a better experience.
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