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Request for new functionality
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Description
Please describe your requested enhancement. Good feature requests will solve common problems or enable new use cases.
What you would like to accomplish:
Add an extra field on Query Insights that shows the amount of Deleted Rows Scanned
How this might work:
This is a helpful metric when experiencing performance degradation on queries. In many cases, this would be due to Spanner scanning deleted rows that satisfy a certain condition. Generally, after compaction this should be auto-resolved, but it would help contextually to know that X amount of deleted rows have been scanned beforehand.
If applicable, reasons why alternative solutions are not sufficient:
This info is generally available via `EXPLAIN ANALYZE <QUERY>;`, but having further visibility on this directly from Cloud Console would be helpful
Other information (workarounds you have tried, documentation consulted, etc):