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#    Copyright (C) 2020-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::feature_flags"

feature_flags:
    featureFlagChangeStreamsRewrite:
      description: "Feature flag for enabling change streams oplog rewrites"
      cpp_varname: gFeatureFlagChangeStreamsRewrite
      default: true
      version: 5.1

    featureFlagShardedTimeSeries:
      description: "Feature flag for allowing sharding a Time Series collection"
      cpp_varname: gFeatureFlagShardedTimeSeries
      default: true
      version: 5.1

    featureFlagShardedTimeSeriesUpdateDelete:
      description: "Feature flag for allowing update and delete operations on a sharded Time Series collection"
      cpp_varname: gFeatureFlagShardedTimeSeriesUpdateDelete
      default: true
      version: 5.1

    featureFlagSBEGroupPushdown:
      description: "Feature flag for allowing SBE $group pushdown"
      cpp_varname: gFeatureFlagSBEGroupPushdown
      default: true
      version: 5.2

    featureFlagExactTopNAccumulator:
      description: "Feature flag for allowing use of topN family of accumulators"
      cpp_varname: gFeatureFlagExactTopNAccumulator
      default: true
      version: 5.2

    featureFlagShardedLookup:
      description: "Feature flag for allowing $lookup/$graphLookup into a sharded collection"
      cpp_varname: gFeatureFlagShardedLookup
      default: true
      version: 5.1

    featureFlagChangeStreamPreAndPostImages:
      description: "Feature flag for allowing usage of point-in-time pre- and post-images of documents in change streams"
      cpp_varname: gFeatureFlagChangeStreamPreAndPostImages
      default: false

    featureFlagSearchMeta:
      description: "Feature flag for allowing use of search collectors alongside search results"
      cpp_varname: gFeatureFlagSearchMeta
      default: true
      version: 5.1

    featureFlagSbePlanCache:
      description: "Feature flag for enabling use of the SBE plan cache"
      cpp_varname: gFeatureFlagSbePlanCache
      default: false

    featureFlagSortArray:
        description: "Feature flag for allowing use of the $sortArray aggregation expression"
        cpp_varname: gFeatureFlagSortArray
        default: true
        version: 5.2

    featureFlagChangeStreamsVisibility:
      description: "Feature flag for enabling improved change streams visibility"
      cpp_varname: gFeatureFlagChangeStreamsVisibility
      default: false

    featureFlagLocf:
        description: "Feature flag for allowing $locf window function"
        cpp_varname: gFeatureFlagLocf
        default: true
        version: 5.2

    featureFlagFill:
        description: "Feature flag for allowing $fill and $linearFill window functions"
        cpp_varname: gFeatureFlagFill
        default: true
        version: 5.3

    featureFlagPerShardCursor:
      description: "Feature flag for enabling a per-shard cursor via mongos"
      cpp_varname: gFeatureFlagPerShardCursor
      default: false

    featureFlagCommonQueryFramework:
      description: "Feature flag for allowing use of Cascades-based query optimizer"
      cpp_varname: gfeatureFlagCommonQueryFramework
      default: false

    featureFlagLastPointQuery:
      description : "Feature flag for optimizing Last Point queries on time-series collections"
      cpp_varname: gfeatureFlagLastPointQuery
      default: false

    featureFlagChangeStreamPreAndPostImagesTimeBasedRetentionPolicy:
      description: "Feature flag to enable time based retention policy of point-in-time pre- and post-images of documents in change streams"
      cpp_varname: gFeatureFlagChangeStreamPreAndPostImagesTimeBasedRetentionPolicy
      default: false

    featureFlagSBELookupPushdown:
      description: "Feature flag for allowing SBE $lookup pushdown"
      cpp_varname: gFeatureFlagSBELookupPushdown
      default: false

    featureFlagSearchShardedFacets:
      description: "Enable use of $$SEARCH_META on sharded collections"
      cpp_varname: gFeatureFlagSearchShardedFacets
      default: false