Feature constraints

[ronanstokes-db]

Proposed changes

Added support for constraints

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• Bug fix (non-breaking change which fixes an issue)
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[codecov]

Codecov Report

Attention: Patch coverage is 99.17355% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 92.70%. Comparing base (b28602d) to head (d194069).

Files	Patch %	Lines
dbldatagen/constraints/constraint.py	96.96%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #257      +/-   ##
==========================================
+ Coverage   92.14%   92.70%   +0.55%     
==========================================
  Files          23       33      +10     
  Lines        2788     3029     +241     
  Branches      477      523      +46     
==========================================
+ Hits         2569     2808     +239     
- Misses        130      131       +1     
- Partials       89       90       +1     

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[howardwu-db]

Probably add comments to the abstract classes instead of using ABC