Support column's collation

[Tigrov]

Related PRs

• Support column's collation db-sqlite#380
• Support column's collation db-mysql#415
• Support column's collation db-pgsql#433
• Support column's collation db-mssql#386
• Support column's collation db-oracle#352

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 98.59%. Comparing base (75feec4) to head (77d16f4).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #1020   +/-   ##
=========================================
  Coverage     98.59%   98.59%           
- Complexity     1615     1623    +8     
=========================================
  Files            98       98           
  Lines          4188     4203   +15     
=========================================
+ Hits           4129     4144   +15     
  Misses           59       59           

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