ydb/yql/essentials/cfg/tests/gateways-experimental.conf

Yt {
    DefaultSettings {
        Name: "InferSchemaMode"
        Value: "rpc"
    }

    DefaultSettings {
        Name: "DQRPCReaderInflight"
        Value: "10"
    }

    DefaultSettings {
        Name: "TableContentLocalExecution"
        Value: "true"
    }

    DefaultSettings {
        Name: "DisableOptimizers"
        Value: "NONE"
    }
}

Dq {
}

YqlCore {
    Flags {
        Name: "OptimizerFlags"
        Args: [
            "FieldSubsetEnableMultiusage",
            "MemberNthOverFlatMap",
            "ExtractMembersSplitOnOptional",
            "FilterNullMembersOverJust",
            "UnorderedOverSortImproved"
        ]
    }
}