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# Copyright (C) 2014-2017 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
module Write
module Command
# A MongoDB drop index write command operation.
#
# @example Create the drop index operation.
# Write::Command::DropIndex.new({
# :index => { :foo => 1 },
# :db_name => 'test',
# :coll_name => 'test_coll',
# :index_name => 'foo_1'
# })
#
# @since 2.0.0
class DropIndex
include Specifiable
include Writable
include TakesWriteConcern
include UsesCommandOpMsg
# Execute the operation.
#
# @example Execute the operation.
# operation.execute(server)
#
# @param [ Mongo::Server ] server The server to send this operation to.
#
# @return [ Result ] The operation response, if there is one.
#
# @since 2.5.0
def execute(server)
result = Result.new(server.with_connection do |connection|
connection.dispatch([ message(server) ], operation_id)
end)
server.update_cluster_time(result)
session.process(result) if session
result.validate!
end
private
# The query selector for this drop index command operation.
#
# @return [ Hash ] The selector describing this insert operation.
#
# @since 2.0.0
def selector
{ :dropIndexes => coll_name, :index => index_name }
end
def message(server)
sel = update_selector_for_write_concern(selector, server)
if server.features.op_msg_enabled?
command_op_msg(server, sel, options)
else
Protocol::Query.new(db_name, Database::COMMAND, sel, options)
end
end
end
end
end
end
end
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