Differences Between: [Versions 310 and 400] [Versions 39 and 400] [Versions 400 and 401]
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File Size: | 414 lines (16 kb) |
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Aggregate:: (7 methods):
__construct()
execute()
getCommandDocument()
createCommandDocument()
createCommandOptions()
createOptions()
hasWriteStage()
__construct($databaseName, $collectionName, array $pipeline, array $options = []) X-Ref |
Constructs an aggregate command. Supported options: * allowDiskUse (boolean): Enables writing to temporary files. When set to true, aggregation stages can write data to the _tmp sub-directory in the dbPath directory. The default is false. * batchSize (integer): The number of documents to return per batch. * bypassDocumentValidation (boolean): If true, allows the write to circumvent document level validation. This only applies when an $out or $merge stage is specified. For servers < 3.2, this option is ignored as document level validation is not available. * collation (document): Collation specification. This is not supported for server versions < 3.4 and will result in an exception at execution time if used. * comment (string): An arbitrary string to help trace the operation through the database profiler, currentOp, and logs. * explain (boolean): Specifies whether or not to return the information on the processing of the pipeline. * hint (string|document): The index to use. Specify either the index name as a string or the index key pattern as a document. If specified, then the query system will only consider plans using the hinted index. * maxTimeMS (integer): The maximum amount of time to allow the query to run. * readConcern (MongoDB\Driver\ReadConcern): Read concern. This is not supported for server versions < 3.2 and will result in an exception at execution time if used. * readPreference (MongoDB\Driver\ReadPreference): Read preference. This option is ignored if an $out or $merge stage is specified. * session (MongoDB\Driver\Session): Client session. Sessions are not supported for server versions < 3.6. * typeMap (array): Type map for BSON deserialization. This will be applied to the returned Cursor (it is not sent to the server). * useCursor (boolean): Indicates whether the command will request that the server provide results using a cursor. The default is true. This option allows users to turn off cursors if necessary to aid in mongod/mongos upgrades. * writeConcern (MongoDB\Driver\WriteConcern): Write concern. This only applies when an $out or $merge stage is specified. This is not supported for server versions < 3.4 and will result in an exception at execution time if used. Note: Collection-agnostic commands (e.g. $currentOp) may be executed by specifying null for the collection name. param: string $databaseName Database name param: string|null $collectionName Collection name param: array $pipeline List of pipeline operations param: array $options Command options |
execute(Server $server) X-Ref |
Execute the operation. return: Traversable param: Server $server |
getCommandDocument(Server $server) X-Ref |
No description |
createCommandDocument(Server $server, bool $hasWriteStage) X-Ref |
No description |
createCommandOptions() X-Ref |
No description |
createOptions($hasWriteStage, $hasExplain) X-Ref |
Create options for executing the command. return: array param: boolean $hasWriteStage param: boolean $hasExplain |
hasWriteStage() X-Ref |
No description |