[GitHub] garrensmith opened a new pull request #511: Return false for empty list

[gi...@git.apache.org]

garrensmith opened a new pull request #511: Return false for empty list
URL: https://github.com/apache/couchdb/pull/511
 
 
   ## Overview
   
   Currently if we have a document like this:
   ```
   doc = {
     name: 'Garren',
     activities: []
   };
   
   ```
   
   and then create a selector like this:
   
   ```
   find({selector: {
      activities: {
         $allMatch: {
           ['fishing', 'golf']
        }
      }
   });
   ```
   CouchDB mango will return the above document. This doesn't seem correct since it doesn't actually match the `$allMatch` selector. This PR changes that so that an empty document is false.
   
   ## Testing recommendations
   There is an additional test added to the Mango tests to prove this works.
   
   ## Checklist
   
   - [ ] Code is written and works correctly;
   - [ ] Changes are covered by tests;
   - [ ] Documentation reflects the changes;
   - [ ] I will not forget to update [rebar.config.script](https://github.com/apache/couchdb/blob/master/rebar.config.script)
         with the correct commit hash once this PR get merged.
   
 
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