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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
      shouldBeFCVGated: true

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

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

    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
      shouldBeFCVGated: true

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

    featureFlagBucketUnpackWithSort:
      description: "Enables a time-series optimization that allows for partially-blocking sort on time"
      cpp_varname: gFeatureFlagBucketUnpackWithSort
      default: true
      version: 6.0
      shouldBeFCVGated: true

    featureFlagColumnstoreIndexes:
      description: "Enables creation of a new columnstore index type"
      cpp_varname: gFeatureFlagColumnstoreIndexes
      default: false
      shouldBeFCVGated: true

    featureFlagServerlessChangeStreams:
      description: "Feature flag to enable reading change events from the change collection rather than the oplog"
      cpp_varname: gFeatureFlagServerlessChangeStreams
      default: false
      shouldBeFCVGated: true

    featureFlagSbeFull:
      description: "Feature flag for SBE behaviors, features, or extensions that are not yet enabled
                    by default"
      cpp_varname: gFeatureFlagSbeFull
      default: false
      shouldBeFCVGated: true

    featureFlagQueryStats:
      description: "Feature flag for enabling the queryStats store."
      cpp_varname: gFeatureFlagQueryStats
      default: false
      shouldBeFCVGated: true

    featureFlagBitwiseAggOperators:
      description: "Feature flag for enabling support for bitwise operators in the aggregation language."
      cpp_varname: gFeatureFlagBitwise
      default: true
      version: 6.3
      shouldBeFCVGated: true

    featureFlagCompoundWildcardIndexes:
      description: "Feature flag to enable compound wildcard indexes."
      cpp_varname: gFeatureFlagCompoundWildcardIndexes
      default: true
      version: 7.0
      shouldBeFCVGated: true

    featureFlagShardedSearchCustomSort:
      description: "Feature flag to enable user specified sort for sharded $search queries."
      cpp_varname: gFeatureFlagShardedSearchCustomSort
      default: true
      version: 7.0
      shouldBeFCVGated: true

    featureFlagApproxPercentiles:
      description: "Feature flag to enable approximate $percentile accumulator/expression."
      cpp_varname: gFeatureFlagApproxPercentiles
      default: true
      version: 7.0
      shouldBeFCVGated: true

    featureFlagSearchBatchSizeLimit:
      description: "Feature flag to enable the search batchsize and limit optimization."
      cpp_varname: gFeatureFlagSearchBatchSizeLimit
      default: false
      shouldBeFCVGated: true

    featureFlagAggOutTimeseries:
      description: "Feature flag for enabling support for $out to write to time-series collections"
      cpp_varname: gFeatureFlagAggOutTimeseries
      default: true
      version: 7.1
      shouldBeFCVGated: true

    featureFlagQuerySettings:
      description: "Feature flag for enabling persistent query settings"
      cpp_varname: gFeatureFlagQuerySettings
      default: false
      shouldBeFCVGated: true