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MongoDB Service Limitations

Overview

You can access most of the CRUD and aggregation functionality of MongoDB version 3.6 with the MongoDB service; however, Stitch does not support all operations and features available in standard tools and clients. This page lists MongoDB features that are not available when you connect to MongoDB through Stitch.

Notable unsupported features include:

• Read Concern and Write Concern
• Collation
• Change Streams (See Triggers)
• Most Bulk operations
  • Bulk updates and deletes are not supported.
  • Inserts are supported but the entire batch will always stop if any insert fails.

Aggregation

Unsupported Aggregation Stages

The following aggregation pipeline stages are not supported when connected to MongoDB through Stitch:

• $collStats
• $currentOp
• $lookup
• $out
• $indexStats
• $facet
• $graphLookup
• $text
• $geoNear

Database Commands

Unsupported Database Command Fields

The following database command fields are not supported when connected to MongoDB through Stitch:

Command	Unsupported Fields
find	hint skip batchSize comment maxScan maxTimeMS readConcern max min returnKey showRecordId tailable awaitData oplogReplay noCursorTimeout allowPartialResults collation
aggregate	explain allowDiskUse maxTimeMS readConcern collation bypassDocumentValidation hint comment writeConcern
count	limit skip hint readConcern
delete	collation
insert	writeConcern bypassDocumentValidation
update	bypassDocumentValidation collation arrayFilters

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