keep pg mysql sqlite the same

[Jacyking]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (0303216) 39.95% compared to head (34687c6) 39.88%.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #124      +/-   ##
==========================================
- Coverage   39.95%   39.88%   -0.08%     
==========================================
  Files          22       22              
  Lines        2868     2856      -12     
==========================================
- Hits         1146     1139       -7     
+ Misses       1722     1717       -5     

Files	Coverage Δ
include/utility.hpp	98.70% <ø> (+0.80%)	⬆️
tests/test_ormpp.cpp	95.38% <100.00%> (+0.16%)	⬆️
include/mysql.hpp	81.67% <88.23%> (+1.18%)	⬆️

... and 1 file with indirect coverage changes

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[qicosmos]

LGTM