MongoDB query with FilterDefinitionBuilder and Linq

Question

Is there a way to write a query with FilterDefinitionBuilder and Linq? The reason I'm asking is because I need to use the $withinSphere operator which is not supported by Linq directly. However, I can create a filter using FilterDefinitionBuilder. Combining both seems anything but obvious.

I know that the old legacy driver had a class called Query which allowed one to do something similar. However, that class no longer exists.

Hector Ruiz · Accepted Answer · 2016-01-03 16:35:53Z

1

I found the answer and it sucks: it can't be done at this time.

See: https://jira.mongodb.org/browse/CSHARP-1445

answered Jan 3, 2016 at 16:35

Hector Ruiz

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Comments

Bouke · Accepted Answer · 2019-01-08 08:57:05Z

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This is implemented as of 2.3 (see link from Hector). Usage as taken from the corresponding unit test is:

var filter = Builders<Root>.Filter.Eq(x => x.B, "Balloon");
var root = __collection.FindSync(x => x.A == "Awesome" && filter.Inject()).Single();

answered Jan 8, 2019 at 8:57

Bouke

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