fix(tianmu): Insert ignore can insert duplicate values.(#1699)

[konghaiya]

Summary about this PR

Issue Number: close #1699

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: +0.06 🎉

Comparison is base (2daac7c) 55.20% compared to head (08b3ab5) 55.27%.

❗ Current head 08b3ab5 differs from pull request most recent head 1f63818. Consider uploading reports for the commit 1f63818 to get more accurate results

Additional details and impacted files

@@                 Coverage Diff                 @@
##           stonedb-5.7-dev    #1746      +/-   ##
===================================================
+ Coverage            55.20%   55.27%   +0.06%     
===================================================
  Files                 2031     2031              
  Lines               431436   431436              
===================================================
+ Hits                238171   238469     +298     
+ Misses              193265   192967     -298     

Impacted Files	Coverage Δ
storage/tianmu/core/engine.cpp	67.11% <100.00%> (ø)

... and 44 files with indirect coverage changes

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