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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: true
version: 6.0
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: true
version: 6.0
featureFlagChangeStreamsFurtherEnrichedEvents:
description: "Feature flag for enabling the reshardCollection and refineCollectionShardKey events, as well as enhancements to the updateDescription field for update events"
cpp_varname: gFeatureFlagChangeStreamsFurtherEnrichedEvents
default: true
version: 6.1
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
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: true
version: 6.0
featureFlagSBELookupPushdown:
description: "Feature flag for allowing SBE $lookup pushdown"
cpp_varname: gFeatureFlagSBELookupPushdown
default: true
version: 6.0
featureFlagSearchShardedFacets:
description: "Enable use of $$SEARCH_META on sharded collections"
cpp_varname: gFeatureFlagSearchShardedFacets
default: true
version: 6.0
featureFlagBucketUnpackWithSort:
description: "Enables a time-series optimization that allows for partially-blocking sort on time"
cpp_varname: gFeatureFlagBucketUnpackWithSort
default: true
version: 6.0
featureFlagColumnstoreIndexes:
description: "Enables creation of a new columnstore index type"
cpp_varname: gFeatureFlagColumnstoreIndexes
default: false
featureFlagServerlessChangeStreams:
description: "Feature flag to enable reading change events from the change collection rather than the oplog"
cpp_varname: gFeatureFlagServerlessChangeStreams
default: false
featureFlagSbeFull:
description: "Feature flag to enable using SBE for a larger number of queries"
cpp_varname: gFeatureFlagSbeFull
default: true
version: 6.0
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