enhance: use scan mode for like although inverted index exists

[zhagnlu]

pr: #41325

[mergify]

@zhagnlu Please associate the related pr of master to the body of your Pull Request. (eg. “pr: #”)

[sunby]

we also need to fallback to scan for json index (CanUseIndexForJson in UnaryExpr.cpp)

[zhagnlu]

we also need to fallback to scan for json index (CanUseIndexForJson in UnaryExpr.cpp)

good catch

[liliu-z]

/lgtm
/approve

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[APPROVALNOTIFIER] This PR is APPROVED

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[codecov]

Codecov Report

Attention: Patch coverage is 95.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 80.88%. Comparing base (04eae0b) to head (b0fc08f).
Report is 3 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
internal/core/src/exec/expression/UnaryExpr.cpp	90.90%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.5   #41309      +/-   ##
==========================================
+ Coverage   80.86%   80.88%   +0.01%     
==========================================
  Files        1421     1421              
  Lines      203197   203209      +12     
==========================================
+ Hits       164321   164361      +40     
+ Misses      33120    33102      -18     
+ Partials     5756     5746      -10     

Components	Coverage Δ
Client	79.65% <ø> (ø)
Core	70.65% <95.00%> (-0.04%)	⬇️
Go	82.77% <ø> (+0.02%)	⬆️

Files with missing lines	Coverage Δ
internal/core/src/exec/expression/Expr.h	63.78% <100.00%> (ø)
internal/core/src/index/InvertedIndexTantivy.h	51.72% <100.00%> (-19.71%)	⬇️
internal/core/src/index/ScalarIndex.h	31.11% <100.00%> (+3.20%)	⬆️
internal/core/src/exec/expression/UnaryExpr.cpp	83.85% <90.90%> (+0.04%)	⬆️

... and 26 files with indirect coverage changes

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