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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.
require 'mongo/index/view'
module Mongo
# Contains constants for indexing purposes.
#
# @since 2.0.0
module Index
# Wildcard constant for all.
#
# @since 2.1.0
ALL = '*'.freeze
# Specify ascending order for an index.
#
# @since 2.0.0
ASCENDING = 1
# Specify descending order for an index.
#
# @since 2.0.0
DESCENDING = -1
# Specify a 2d Geo index.
#
# @since 2.0.0
GEO2D = '2d'.freeze
# Specify a 2d sphere Geo index.
#
# @since 2.0.0
GEO2DSPHERE = '2dsphere'.freeze
# Specify a geoHaystack index.
#
# @since 2.0.0
GEOHAYSTACK = 'geoHaystack'.freeze
# Encodes a text index.
#
# @since 2.0.0
TEXT = 'text'.freeze
# Specify a hashed index.
#
# @since 2.0.0
HASHED = 'hashed'.freeze
# Constant for the indexes collection.
#
# @since 2.0.0
COLLECTION = 'system.indexes'.freeze
end
end
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