WIP: Storages: Add some stats of table scanning #8990
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What problem does this PR solve?
Issue Number: ref #8864
Problem Summary:
The time of table scanning in explain analyze is not the real working time of the scanning operator.
This PR add some stats of table scanning and print them in the log to help debugging some performance issues.
What is changed and how it works?
Check List
Tests
Side effects
Documentation
Release note