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Versions: 9
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Contents
# frozen_string_literal: true
# rubocop:todo all
# Copyright (C) 2018-2020 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
module Mongo
module Operation
class Explain
# A MongoDB explain operation sent as an op message.
#
# @api private
#
# @since 2.5.2
class OpMsg < OpMsgBase
include CausalConsistencySupported
include ExecutableTransactionLabel
include PolymorphicResult
private
def selector(connection)
# The mappings are BSON::Documents and as such store keys as
# strings, the spec here has symbol keys.
spec = BSON::Document.new(self.spec)
{
explain: {
find: coll_name,
}.update(Find::Builder::Command.selector(spec, connection)),
Protocol::Msg::DATABASE_IDENTIFIER => db_name,
}.update(spec[:explain] || {})
end
end
end
end
end
Version data entries
9 entries across 9 versions & 2 rubygems