shardkey of fields can be joined.SCRAM-SHA-1 and MONGODB-CR authentication mechanisms are fully supported.
| Command | Subcommand | Supported | |
|---|---|---|---|
| Basic CRUD commands | find | filter | Yes |
| sort | Yes | ||
| projection | Yes | ||
| hint | Yes | ||
| skip | Yes | ||
| limit | Yes | ||
| batchSize | Yes | ||
| singleBatch | Yes | ||
| comment | Yes | ||
| maxScan | Yes | ||
| maxTimeMS | No | ||
| readConcern | Yes | ||
| max | Yes | ||
| min | Yes | ||
| returnKey | Yes | ||
| showRecordId | Yes | ||
| snapshot | No | ||
| tailable | No | ||
| oplogReplay | No | ||
| noCursorTimeout | Yes | ||
| awaitData | No | ||
| allowPartialResults | No | ||
| insert | The `shardkey` field is required and must be the same for batch INSERT operations | Yes | |
| update | The updated field cannot be `shardkey` | Yes | |
| delete | - | Yes | |
| findandmodify | - | Yes | |
| count | - | Yes | |
| distinct | `shardkey` is required | Yes | |
| aggregate | - | Yes | |
| group | - | No | |
| mapReduce | - | No | |
| getmore | - | Yes | |
| getLastError | - | No | |
| getPrevError | - | No | |
| resetError | - | No | |
| eval | - | No | |
| geoNear | - | No | |
| geoSearch | - | No | |
| parallelCollectionScan | - | No | |
| Diagnostic commands | collStats | - | Yes |
| dbstats | - | Yes | |
| explain | - | Yes | |
| listDatabases | - | Yes | |
| serverStatus | - | No | |
| top | - | No | |
| Sharding commands | enableSharding | - | Yes |
| shardCollection | - | Yes | |
| Management commands | listCollections | - | Yes |
| dropDatabase | - | Yes | |
| drop | - | Yes | |
| creareIndexes | - | Yes | |
| listIndexes | - | Yes | |
| dropIndexes | - | Yes | |
| logout | - | Yes | |
| renameCollection | - | No | |
| copydb | - | No | |
| create | - | No | |
| clone | - | No | |
| cloneCollection | - | No | |
| cloneCollectionAsCapped | - | No | |
| convetToCapped | - | No | |
| filemd5 | - | No | |
| fsync | - | No | |
| clean | - | No | |
| connPoolSync | - | No | |
| connectionStatus | - | No | |
| compact | - | No | |
| collMod | - | No | |
| reIndex | - | No | |
| setParameter | - | No | |
| getParameter | - | No | |
| repairDatabase | - | No | |
| repairCursor | - | No | |
| touch | - | No | |
| shutdown | - | No | |
| logrotate | - | No | |
| killop | - | No | |
| User management commands | - | - | No |
| Role management commands | - | - | No |
| Replica set commands | - | - | No |
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