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path: root/src/mongo/db/commands/map_reduce.idl
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# Copyright (C) 2019-present MongoDB, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the Server Side Public License, version 1,
# as published by MongoDB, Inc.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# Server Side Public License for more details.
#
# You should have received a copy of the Server Side Public License
# along with this program. If not, see
# <http://www.mongodb.com/licensing/server-side-public-license>.
#
# As a special exception, the copyright holders give permission to link the
# code of portions of this program with the OpenSSL library under certain
# conditions as described in each individual source file and distribute
# linked combinations including the program with the OpenSSL library. You
# must comply with the Server Side Public License in all respects for
# all of the code used other than as permitted herein. If you modify file(s)
# with this exception, you may extend this exception to your version of the
# file(s), but you are not obligated to do so. If you do not wish to do so,
# delete this exception statement from your version. If you delete this
# exception statement from all source files in the program, then also delete
# it in the license file.
#

global:
    cpp_namespace: "mongo"
    cpp_includes:
        - "mongo/db/commands/map_reduce_out_options.h"
        - "mongo/db/commands/map_reduce_javascript_code.h"
        - "mongo/db/commands/map_reduce_global_variable_scope.h"
        - "mongo/db/write_concern_options.h"

imports:
    - "mongo/db/basic_types.idl"

types:
    mapReduceOutOptionsType:
        bson_serialization_type: any
        description: "Holds the subdocument with out options"
        cpp_type: "mongo::MapReduceOutOptions"
        serializer: mongo::MapReduceOutOptions::serializeToBSON
        deserializer: mongo::MapReduceOutOptions::parseFromBSON

    mapReduceJavascriptCodeType:
        bson_serialization_type: any
        description: "Holds Javascript code passed as command input"
        cpp_type: "mongo::MapReduceJavascriptCode"
        serializer: mongo::MapReduceJavascriptCode::serializeToBSON
        deserializer: mongo::MapReduceJavascriptCode::parseFromBSON

    mapReduceJavascriptCodeNullPermittedType:
        bson_serialization_type: any
        description: "Holds Javascript code passed as command input, but also accepts null"
        cpp_type: "mongo::MapReduceJavascriptCodeOrNull"
        serializer: mongo::MapReduceJavascriptCodeOrNull::serializeToBSON
        deserializer: mongo::MapReduceJavascriptCodeOrNull::parseFromBSON

    mapReduceGlobalVariableScopeType:
        bson_serialization_type: any
        description: "Holds a mapping of Javascript global variables"
        cpp_type: "mongo::MapReduceGlobalVariableScope"
        serializer: mongo::MapReduceGlobalVariableScope::serializeToBSON
        deserializer: mongo::MapReduceGlobalVariableScope::parseFromBSON


commands:
    mapReduce:
        description: "The MapReduce command."
        command_name: "mapReduce"
        cpp_name: MapReduceCommandRequest
        namespace: concatenate_with_db
        api_version: ""
        strict: true
        fields:
            map:
                description: "Javascript code to run as the map operation which associates a value
                    with a key and emits the key and value pair."
                type: mapReduceJavascriptCodeType
            reduce:
                description: "Javascript code to run as the map operation which reduces all the
                    values associated with a particular key to a single value."
                type: mapReduceJavascriptCodeType
            out:
                description: "Out Options sub-object or string representing a collection."
                type: mapReduceOutOptionsType
                cpp_name: outOptions
            query:
                description: "Query object in match language to use as a filter applied before the
                    map step."
                type: object
                optional: true
            sort:
                description: "Sort specification to apply before the map step."
                type: object
                optional: true
            collation:
                description: "collation specification which takes effect for 'query' and 'sort'."
                type: object
                optional: true
            limit:
                description: "Document count limit to apply before the map step."
                type: safeInt64
                optional: true
            finalize:
                description: "Javascript code to run after the reduce operation."
                type:  mapReduceJavascriptCodeNullPermittedType
                optional: true
            scope:
                description: "Javascript global variable mapping for map, reduce and finalize."
                type:  mapReduceGlobalVariableScopeType
                optional: true
            verbose:
                description: "Specifies whether to include the timing information in the result
                    information."
                type: bool
                optional: true
            bypassDocumentValidation:
                description: "Causes the out portion of the operation to ignore the output
                    collection's document validation."
                type: bool
                optional: true
            jsMode:
                description: "Deprecated non-functional option which is ignored."
                type: bool
                optional: true