enhance: eliminate compile warnings

[tedxu]

See: #38435

[mergify]

@tedxu Please associate the related issue to the body of your Pull Request. (eg. “issue: #”)

[codecov]

Codecov Report

Attention: Patch coverage is 56.25000% with 14 lines in your changes missing coverage. Please review.

Project coverage is 80.89%. Comparing base (0d7a89a) to head (434e42b).
Report is 27 commits behind head on master.

Files with missing lines	Patch %	Lines
internal/core/src/mmap/ChunkedColumn.h	12.50%	7 Missing ⚠️
internal/core/src/common/ChunkWriter.h	50.00%	3 Missing ⚠️
internal/core/src/common/ChunkWriter.cpp	66.66%	2 Missing ⚠️
...rnal/core/src/segcore/ChunkedSegmentSealedImpl.cpp	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #38420      +/-   ##
==========================================
- Coverage   80.90%   80.89%   -0.02%     
==========================================
  Files        1376     1373       -3     
  Lines      192740   192952     +212     
==========================================
+ Hits       155938   156086     +148     
- Misses      31289    31345      +56     
- Partials     5513     5521       +8     

Components	Coverage Δ
Client	74.58% <ø> (ø)
Core	68.91% <56.25%> (-0.01%)	⬇️
Go	83.00% <ø> (-0.02%)	⬇️

Files with missing lines	Coverage Δ
internal/core/src/common/Chunk.h	60.71% <100.00%> (ø)
internal/core/src/common/FieldData.h	100.00% <100.00%> (ø)
internal/core/src/exec/expression/Expr.cpp	94.16% <100.00%> (ø)
internal/core/src/exec/expression/Expr.h	69.04% <ø> (ø)
internal/core/src/exec/expression/UnaryExpr.cpp	84.51% <100.00%> (ø)
internal/core/src/exec/expression/UnaryExpr.h	68.51% <ø> (ø)
.../src/exec/operator/groupby/SearchGroupByOperator.h	84.00% <100.00%> (-1.72%)	⬇️
internal/core/src/mmap/ChunkData.h	97.29% <ø> (-0.14%)	⬇️
internal/core/src/mmap/Column.h	90.88% <100.00%> (+0.02%)	⬆️
internal/core/src/common/ChunkWriter.cpp	54.45% <66.66%> (ø)
... and 3 more

... and 64 files with indirect coverage changes

[mergify]

@tedxu go-sdk check failed, comment rerun go-sdk can trigger the job again.

[sunby]

/lgtm

[congqixia]

/approve

[sre-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: congqixia, tedxu

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