fix: Fix a crash issue of bulkinsert

[yhmo]

issue: #40291
pr: #40331

[mergify]

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[mergify]

@yhmo

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[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 3 lines in your changes missing coverage. Please review.

Project coverage is 80.91%. Comparing base (d754e0b) to head (0ea4b00).
Report is 20 commits behind head on 2.5.

Files with missing lines	Patch %	Lines
internal/util/importutilv2/parquet/util.go	66.66%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##              2.5   #40304      +/-   ##
==========================================
+ Coverage   80.89%   80.91%   +0.01%     
==========================================
  Files        1418     1418              
  Lines      200212   200317     +105     
==========================================
+ Hits       161965   162080     +115     
+ Misses      32577    32564      -13     
- Partials     5670     5673       +3     

Components	Coverage Δ
Client	79.28% <ø> (ø)
Core	70.17% <ø> (+0.02%)	⬆️
Go	82.82% <83.33%> (+0.01%)	⬆️

Files with missing lines	Coverage Δ
internal/util/importutilv2/parquet/field_reader.go	63.86% <100.00%> (ø)
internal/util/importutilv2/parquet/util.go	71.42% <66.66%> (-0.50%)	⬇️

... and 48 files with indirect coverage changes

[mergify]

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

[czs007]

/approve
/lgtm

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