Postgres driver support new schema.Constraint schema.Index

[k1LoW]

Fix #113

[codecov]

Codecov Report

Merging #116 into master will increase coverage by 0.1%.
The diff coverage is 89.13%.

@@            Coverage Diff            @@
##           master     #116     +/-   ##
=========================================
+ Coverage   70.74%   70.84%   +0.1%     
=========================================
  Files          12       12             
  Lines        2181     2168     -13     
=========================================
- Hits         1543     1536      -7     
+ Misses        490      486      -4     
+ Partials      148      146      -2

Impacted Files	Coverage Δ
drivers/postgres/postgres.go	71.35% <89.13%> (+0.54%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e6d1b00...ee262be. Read the comment docs.