Support column's collation

[Tigrov]

Related PR

• Support column's collation db#1020

Q	A
Is bugfix?	❌
New feature?	✔️/❌
Breaks BC?	❌
Fixed issues

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.53%. Comparing base (18c4c93) to head (979d26a).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #380   +/-   ##
=========================================
  Coverage     98.52%   98.53%           
  Complexity      321      321           
=========================================
  Files            19       19           
  Lines          1020     1021    +1     
=========================================
+ Hits           1005     1006    +1     
  Misses           15       15           

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