fix(tianmu): integer column with primary key problem(#1363)

[konghaiya]

Cause of the problem:
It is caused by writing back the field value when inserting the primary key and the problem of the assignment interface used.

Summary about this PR

Issue Number: close #1362
Issue Number: close #1363
Issue Number: close #1369

Tests Check List

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Changelog

• New Feature
• Bug Fix
• Performance Improvement
• Build/Testing/CI/CD
• Documentation
• Not for changelog (changelog entry is not required)

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features

[mergify]

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[codecov]

Codecov Report

Patch coverage: 66.66% and project coverage change: -0.02 ⚠️

Comparison is base (d66a3ca) 43.11% compared to head (6c8bb44) 43.10%.

❗ Current head 6c8bb44 differs from pull request most recent head 2be7022. Consider uploading reports for the commit 2be7022 to get more accurate results

Additional details and impacted files

@@                 Coverage Diff                 @@
##           stonedb-5.7-dev    #1370      +/-   ##
===================================================
- Coverage            43.11%   43.10%   -0.02%     
===================================================
  Files                 1836     1836              
  Lines               397197   397196       -1     
===================================================
- Hits                171261   171218      -43     
- Misses              225936   225978      +42     

Impacted Files	Coverage Δ
storage/tianmu/core/tianmu_table.cpp	46.15% <66.66%> (-0.16%)	⬇️
storage/innobase/include/dict0stats_bg.ic	50.00% <0.00%> (-50.00%)	⬇️
strings/str2int.c	72.72% <0.00%> (-6.07%)	⬇️
storage/innobase/buf/buf0block_hint.cc	88.23% <0.00%> (-5.89%)	⬇️
storage/innobase/mach/mach0data.cc	83.78% <0.00%> (-5.41%)	⬇️
storage/innobase/row/row0vers.cc	71.66% <0.00%> (-4.00%)	⬇️
storage/tianmu/core/pack_str.h	88.37% <0.00%> (-2.33%)	⬇️
storage/innobase/dict/dict0stats_bg.cc	91.48% <0.00%> (-2.13%)	⬇️
sql/field.cc	57.40% <0.00%> (-1.20%)	⬇️
storage/innobase/buf/buf0flu.cc	85.35% <0.00%> (-0.43%)	⬇️
... and 19 more

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[hustjieke]

LGTM