| Name | Description | Type | Package | Framework |
| MongoAggregate | Class | org.apache.calcite.adapter.mongodb | Calcite | |
| MongoFilter | relational expression in MongoDB. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoMethod | Builtin methods in the MongoDB adapter. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoProject | relational expression in MongoDB. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoRel | Relational expression that uses Mongo calling convention. | Interface | org.apache.calcite.adapter.mongodb | Calcite |
| MongoRel .Implementor | Callback for the implementation process that converts a tree of MongoRel nodes into a MongoDB query. | Class | org.apache.calcite.adapter.mongodb.MongoRel | Calcite |
| MongoRules | Rules and relational operators for calling convention. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoSchema | Schema mapped onto a directory of MONGO files. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoSchemaFactory | Factory that creates a MongoSchema. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoSort | relational expression in MongoDB. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoTable | Table based on a MongoDB collection. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoTable .MongoQueryable | Class | org.apache.calcite.adapter.mongodb.MongoTable | Calcite | |
| MongoTableScan | Relational expression representing a scan of a MongoDB collection. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoToEnumerableConverter | Relational expression representing a scan of a table in a Mongo data source. | Class | org.apache.calcite.adapter.mongodb | Calcite |
| MongoToEnumerableConverterRule | Rule to convert a relational expression from MongoRel. | Class | org.apache.calcite.adapter.mongodb | Calcite |