Make notEqual work on relations

[flovilmart]

Adds support for $eq, $ne and $nin when querying on relation keys

[codecov-io]

Current coverage is 93.08%

Merging #1350 into master will increase coverage by +0.01% as of c28253d

@@            master   #1350   diff @@
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  Files           84      84       
  Stmts         5345    5382    +37
  Branches       981     991    +10
  Methods          0       0       
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+ Hit           4975    5010    +35
  Partial          9       9       
- Missed         361     363     +2

Review entire Coverage Diff as of c28253d

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[drew-gross]

This looks like it's going to not work if you use mix and match equalTo, notEqualtTo, containedIn, and notContainedIn all in the same query. Have you checked for that?

[flovilmart]

@drew-gross yes you're definitely right, I didn't check for that. I'll need to map on all $eq, $ne, $in, $nin

[lolobosse]

Hey,

@drew-gross yes, it was another consequences of my further tests (that I just finished now (you were quicker)), the server do not like the combinations as well. Do you need some further test cases to fix that quicker?

When do you think it could go live?

[drew-gross]

@lolobosse I think @flovilmart is already working on this, but If you posted a test case similar to the one in this PR, he would probably find that helpful!

[flovilmart]

@drew-gross I posted the support, let me know what you think

[drew-gross]

This looks like it should do the trick 💯