planner: check full match of each range for BatchPointGet plan (#19456) #19460
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cherry-pick #19456 to release-4.0
What problem does this PR solve?
Issue Number: close #19191
Problem Summary:
Planner chooses BatchPointGet plan while it should not.
What is changed and how it works?
What's Changed:
Check whether each range is a full match for the unique index before considering BatchPointGet plan.
Related changes
Check List
Tests
Side effects
N/A
Release note