Supported features: 8.0

The following tables include a breakdown of MongoDB 8.0 features supported by Cloud Firestore with MongoDB compatibility. For differences in behavior, see Behavior differences.

Query and projection operators

Cloud Firestore with MongoDB compatibility supports the following query and projection operators:

Array operators

Operator Supported
$all Yes
$elemMatch Yes
$size Yes

Bitwise operators

Operator Supported
$bitsAllClear No
$bitsAllSet No
$bitsAnyClear No
$bitsAnySet No

Comment operator

Operator Supported
$comment No

Comparison operators

Operator Supported
$eq Yes
$gt Yes
$gte Yes
$in Yes
$lt Yes
$lte Yes
$ne Yes
$nin Yes

Element operators

Operator Supported
$exists Yes
$type Yes

Evaluation query operators

Operator Supported
$expr Yes
$jsonSchema No
$mod Yes
$regex Yes
$text No
$where No

Logical operators

Operator Supported
$and Yes
$nor Yes
$not Yes
$or Yes

Projection operators

Operator Supported
$ No
$elemMatch Yes
$meta No
$slice Yes

Update operators

Cloud Firestore with MongoDB compatibility supports the following update operators.

Array operators

Operator Supported
$ No
$[] No
$[<identifier>] No
$addToSet No
$pop No
$pull Yes
$pullAll No
$push Yes

Bitwise operators

Operator Supported
$bit Yes

Field operators

Operator Supported
$currentDate Yes
$inc Yes
$max Yes
$min Yes
$mul Yes
$rename Yes
$set Yes
$setOnInsert Yes
$unset Yes

Update modifiers

Modifier Supported
$each No
$position No
$slice No
$sort No

Aggregation pipeline operators

Cloud Firestore with MongoDB compatibility supports the following aggregation pipeline operators.

Accumulator expressions

Expression Supported
$accumulator No
$addToSet No
$avg Yes
$bottom No
$bottomN No
$count Yes
$first Yes
$firstN No
$last Yes
$lastN No
$max Yes
$min Yes
$minN No
$push Yes
$stdDevPop No
$stdDevSamp No
$sum Yes
$top No
$topN No

Arithmetic operators

Operator Supported
$abs Yes
$add Yes
$ceil Yes
$divide Yes
$exp No
$floor Yes
$ln No
$log No
$log10 No
$mod Yes
$multiply Yes
$pow No
$round Yes
$sqrt No
$subtract Yes
$trunc No

Array operators

Operator Supported
$arrayElemAt Yes
$arrayToObject Yes
$concatArrays Yes
$filter No
$firstN No
$in Yes
$indexOfArray No
$isArray Yes
$lastN No
$maxN No
$minN No
$objectToArray No
$range No
$reduce No
$reverseArray Yes
$size Yes
$slice Yes
$sortArray No
$zip No

Boolean operators

Operator Supported
$and Yes
$not Yes
$or Yes

Comparison operators

Operator Supported
$cmp Yes
$eq Yes
$gt Yes
$gte Yes
$lt Yes
$lte Yes
$ne Yes

Conditional expression operators

Operator Supported
$cond Yes
$ifNull Yes
$switch Yes

Data size operators

Operator Supported
$binarySize No
$bsonSize No

Date operators

Operator Supported
$dateAdd No
$dateDiff No
$dateFromParts No
$dateFromString Yes
$dateSubtract No
$dateToParts Yes
$dateToString Yes
$dateTrunc No
$dayOfMonth Yes
$dayOfWeek Yes
$dayOfYear Yes
$hour Yes
$isoDayOfWeek Yes
$isoWeek Yes
$isoWeekYear Yes
$millisecond Yes
$minute Yes
$month Yes
$second Yes
$tsIncrement No
$tsSecond No
$week Yes
$year Yes

Miscellaneous operators

Operator Supported
$getField Yes
$literal Yes
$mergeObjects No
$natural No
$rand No
$sampleRate No

Set operators

Operator Supported
$allElementsTrue No
$anyElementTrue No
$setDifference No
$setEquals No
$setIntersection No
$setIsSubset No
$setUnion No
$setWindowFields No

Stage operators

Operator Supported
$addFields Yes
$bucket No
$bucketAuto No
$changeStreams No
$collStats No
$count Yes
$currentOp No
$documents Yes
$facet No
$geoNear No
$graphLookup No
$group Yes
$indexStats No
$limit Yes
$listLocalSessions No
$listSessions No
$lookup No
$match Yes
$merge No
$out No
$planCacheStats No
$project Yes
$redact No
$replaceRoot Yes
$replaceWith Yes
$sample No
$set Yes
$setWindowFields No
$skip Yes
$sort Yes
$sortByCount Yes
$unionWith No
$unset Yes
$unwind Yes

String operators

Operator Supported
$concat Yes
$indexOfBytes Yes
$indexOfCP Yes
$ltrim Yes
$regexFind Yes
$regexFindAll Yes
$regexMatch Yes
$replaceAll Yes
$replaceOne Yes
$rtrim Yes
$split Yes
$strcasecmp Yes
$strLenBytes Yes
$strLenCP Yes
$substr Yes
$substrBytes Yes
$substrCP Yes
$toLower Yes
$toUpper Yes
$trim Yes

System variables

Variable Supported
$$CLUSTERTIME No
$$CURRENT No
$$DESCEND No
$$KEEP No
$$NOW Yes
$$PRUNE No
$$REMOVE Yes
$$ROOT Yes

Text search operators

Operator Supported
$meta No
$search No

Trigonometry operators

Operator Supported
$acos No
$acosh No
$asin No
$asinh No
$atan No
$atan2 No
$atanh No
$cos No
$cosh No
$degreesToRadians No
$radiansToDegrees No
$sin No
$sinh No
$tan No
$tanh No

Type conversion operators

Operator Supported
$convert No
$isNumber Yes
$toBool Yes
$toDate No
$toDecimal No
$toDouble No
$toInt No
$toLong No
$toObjectId No
$toString No
$type No

Variable operators

Operator Supported
$let No
$map No

Geospatial

Cloud Firestore with MongoDB compatibility supports the following Geospatial operators.

Geometry specifiers

Specifier Supported
$box No
$center No
$centerSphere No
$geometry No
$maxDistance No
$minDistance No
$polygon No
$uniqueDocs No

Query selectors

Selector Supported
$geoIntersects No
$geoWithin No
$near No
$nearSphere No
$nearSphere No
$uniqueDocs No

Indexes and index properties

Cloud Firestore with MongoDB compatibility supports the following indexes and index operators.

Indexes

Index type Supported
2d No
2dsphere No
Compound Yes
Hashed No
Multikey Yes
Single Field Yes
Text No

Index properties

Property Supported
Background Yes
Case Insensitive No
Hidden No
Partial No
Non-Sparse Yes
Sparse Yes
Text No
TTL No
Unique No
Wildcard No
Vector No

Database commands

Cloud Firestore with MongoDB compatibility supports the following database commands.

Aggregation

Command Supported
aggregate Yes
count Yes
distinct Yes
group

No

The $group stage in aggregations is supported whereas the group command isn't.
mapReduce No

Authentication

Command Supported
authenticate No
getnonce No
logout No

Query and write operations

Command Supported
watch (Change Streams) No
delete Yes
eval No
find Yes
findAndModify Yes
getLastError Yes
getMore Yes
getPrevError No
GridFS No
insert Yes
parallelCollectionScan No
replaceOne

No

The replaceOne driver method is supported with the update command.
resetError No
update Yes

Session commands

Command Supported
abortTransaction Yes
commitTransaction Yes
endSessions Yes
killAllSessions No
killAllSessionsByPattern No
killSessions No
refreshSessions No
startSession

Sessions can be started using the startSession driver method.

Administrative commands

Cloud Firestore with MongoDB compatibility supports the following administrative commands.

Command Supported
cloneCollectionAsCapped No
collMod No
collMod: expireAfterSeconds No
convertToCapped No
copydb No
create Yes
createIndexes

No

To create indexes, see Manage indexes.
createView No
currentOp No
drop No
dropDatabase

No

To delete a database, see Delete a database.
dropIndexes

No

To delete indexes, see Manage indexes.
filemd5 No
getAuditConfig No
killCursors Yes
killOp No
listCollections Yes
listDatabases Yes
listIndexes Yes
reIndex No
renameCollection No
setAuditConfig No

Diagnostic commands

Command Supported
buildInfo Yes
collStats No
connectionStatus Yes
connPoolStats No
dataSize No
dbHash No
dbStats No
explain

Yes

For behavior differences and limitations, see Query Explain
features No
hello Yes
hostInfo Yes
listCommands No
profiler No
serverStatus No
top No
whatsmyuri No

Role management commands

To manage database access, Cloud Firestore with MongoDB compatibility supports Identity and Access Management roles and permissions.

Command Supported
createRole No
dropAllRolesFromDatabase No
dropRole No
grantRolesToRole No
revokePrivilegesFromRole No
revokeRolesFromRole No
rolesInfo No
updateRole No

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