Possible API is:
Mql.Exists(<field expression>) // and Mql.IsMissing(<field expression>) // and Mql.IsNullOrMissing(<field expression>)
Possible translations are:
{ $ne : [{ $type : "$field" }, "missing"] }
// and
{ $eq : [{ $type : "$field" }, "missing"] }
// and
{ $in : [{ $type : "$field" }, ["null", "missing"]] }
- is depended on by
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CSHARP-4540 Translate additional parameters for $dateFromString
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- Closed
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- is duplicated by
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CSHARP-5010 Handling C#-"null" with non existent fields in Expressions not intuitive when using IgnoreIfNullConvention
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- Closed
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- related to
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CSHARP-4852 Linq3Provider does not deal correctly with non-existing objects
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- Closed
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