Fix sanitize_params to correctly resolve nested columns

[guillego]

What kind of change does this PR introduce?

Bug fix

What is the current behavior?

Nested columns (of the form foreign_table.column) are currently escaped which breaks the API exposed by postgrest.

#189
#202

What is the new behavior?

This PR modifies the sanitize_parameters() function so that the . character is not escaped anymore.
It also adds some test to verify this behavior.

[sourcery-ai]

Sourcery Code Quality Report

❌  Merging this PR will decrease code quality in the affected files by 0.51%.

Quality metrics	Before	After	Change
Complexity	0.07 ⭐	0.06 ⭐	-0.01 👍
Method Length	25.32 ⭐	26.41 ⭐	1.09 👎
Working memory	3.16 ⭐	3.33 ⭐	0.17 👎
Quality	96.25% ⭐	95.74% ⭐	-0.51% 👎

Other metrics	Before	After	Change
Lines	134	168	34

Changed files	Quality Before	Quality After	Quality Change
postgrest/utils.py	95.25% ⭐	95.25% ⭐	0.00%
tests/_async/test_filter_request_builder.py	96.38% ⭐	95.79% ⭐	-0.59% 👎
tests/_sync/test_filter_request_builder.py	96.38% ⭐	95.79% ⭐	-0.59% 👎

Here are some functions in these files that still need a tune-up:

File	Function	Complexity	Length	Working Memory	Quality	Recommendation

Legend and Explanation

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[codecov]

Codecov Report

Base: 91.37% // Head: 91.51% // Increases project coverage by +0.14% 🎉

Coverage data is based on head (8db468f) compared to base (ea579fd).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #222      +/-   ##
==========================================
+ Coverage   91.37%   91.51%   +0.14%     
==========================================
  Files          23       24       +1     
  Lines        1148     1167      +19     
==========================================
+ Hits         1049     1068      +19     
  Misses         99       99              

Impacted Files	Coverage Δ
postgrest/utils.py	93.33% <100.00%> (ø)
tests/_async/test_filter_request_builder.py	100.00% <100.00%> (ø)
tests/_sync/test_filter_request_builder.py	100.00% <100.00%> (ø)
tests/test_utils.py	100.00% <100.00%> (ø)

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[guillego]

@J0 let me know if there's anything else to do here! 😄

[J0]

@guillego, Thanks for your patience - nothing on your end for now. I'll review it tomorrow and hopefully we can get a release out!

[J0]

LGTM, Thanks so much for this!