session: set EnableWindowFunction for all SessionVars (#55991) #55998
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This is an automated cherry-pick of #55991
What problem does this PR solve?
Issue Number: close #55981
Problem Summary:
What changed and how does it work?
Some internal sessions may not set
EnableWindowFunction
correctly.As a result, the binding containing window functions might fail at <=v6.5.10 and <=v7.5.3 and <=v7.1.5
Check List
Tests
Side effects
Documentation
Release note
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