[Draft] Flat collections sub-doc updates SET

[suddendust]

WIP

[codecov]

Codecov Report

❌ Patch coverage is 4.31034% with 111 lines in your changes missing coverage. Please review.
✅ Project coverage is 57.65%. Comparing base (4853757) to head (a32b381).

Files with missing lines	Patch %	Lines
...documentstore/postgres/FlatPostgresCollection.java	2.29%	85 Missing ⚠️
.../postgres/update/parser/FlatSetOperatorParser.java	15.00%	17 Missing ⚠️
...cumentstore/postgres/update/FlatUpdateContext.java	0.00%	9 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (4853757) and HEAD (a32b381). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (4853757)	HEAD (a32b381)
integration	1	0

Additional details and impacted files

@@              Coverage Diff              @@
##               main     #267       +/-   ##
=============================================
- Coverage     80.51%   57.65%   -22.86%     
- Complexity     1385     1387        +2     
=============================================
  Files           234      236        +2     
  Lines          6194     6310      +116     
  Branches        554      568       +14     
=============================================
- Hits           4987     3638     -1349     
- Misses          831     2334     +1503     
+ Partials        376      338       -38     

Flag	Coverage Δ
integration	?
unit	57.65% <4.31%> (-1.00%)	⬇️

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