fix(tianmu):Support insert ignore syntax (#1637)

[konghaiya]

Summary about this PR

Issue Number: close #1637

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: 100.00% and project coverage change: +55.23 🎉

Comparison is base (4a35d96) 0.00% compared to head (5611dcb) 55.23%.

❗ Current head 5611dcb differs from pull request most recent head 88abea7. Consider uploading reports for the commit 88abea7 to get more accurate results

Additional details and impacted files

@@                 Coverage Diff                  @@
##           stonedb-5.7-dev    #1643       +/-   ##
====================================================
+ Coverage                 0   55.23%   +55.23%     
====================================================
  Files                    0     2031     +2031     
  Lines                    0   431433   +431433     
====================================================
+ Hits                     0   238286   +238286     
- Misses                   0   193147   +193147     

Impacted Files	Coverage Δ
storage/tianmu/core/engine.cpp	67.11% <ø> (ø)
storage/tianmu/core/engine.h	29.16% <ø> (ø)
storage/tianmu/core/tianmu_table.h	87.50% <ø> (ø)
storage/tianmu/handler/ha_tianmu.cpp	51.65% <ø> (ø)
storage/tianmu/core/tianmu_table.cpp	67.73% <100.00%> (ø)

... and 2026 files with indirect coverage changes

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