Is it a good practice to use .equalTo("colName", undefined)?

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Hi @andreisu if you read JS SDK docs you have the “exists” query constraint

https://docs.parseplatform.org/js/guide/#query-constraints

In term of good practice about performance , it’s not really related to Parse but about common backends best practices:

  • add indexes on fields used by many queries
  • avoid negative queries

You have also a section about this in the docs JavaScript Developers Guide | Parse

But it’s not related to Parse, it’s some common best practices on backend/apis

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