enhance: [Cherry-Pick] Remove varchar column cannot use auto ID constraint (#665)

[congqixia]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (beb42ed) 73.22% compared to head (971fbbd) 73.16%.

Additional details and impacted files

@@            Coverage Diff             @@
##           v2.3.x     #667      +/-   ##
==========================================
- Coverage   73.22%   73.16%   -0.07%     
==========================================
  Files          46       46              
  Lines        4201     4199       -2     
==========================================
- Hits         3076     3072       -4     
- Misses       1023     1025       +2     
  Partials      102      102              

Files	Coverage Δ
client/collection.go	90.56% <ø> (-0.06%)	⬇️

... and 1 file with indirect coverage changes

[ThreadDao]

/lgtm