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Concepts

Compatibility

What FENVIX supports of the MongoDB protocol.

On this page

How it was measured
Supported
Check your code

This page covers the MongoDB protocol.

How it was measured#

1,081 of 1,081 differential tests pass against a reference MongoDB 7.0, with the Python and Node.js drivers.
About 97% of the MongoDB calls found in 10 open-source apps are supported.

The apps scanned: Rocket.Chat, Parse Server, NodeBB, Wekan, LibreChat, Novu, Appsmith, Countly, Payload, Open edX.

Supported#

CRUD
findAndModify
Array updates
Regex
$expr
Aggregation with $match, $group, $lookup, $unwind, $addFields
Secondary and compound indexes
Hashed and wildcard indexes
TTL indexes
Transactions
Change streams
$text and geo queries
$search and $searchMeta
JavaScript in the database: $where, $function and $accumulator

Check your code#

The 97% figure counts calls in the 10 apps above. Check the lists on this page against your own code before you move anything.