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Contents
# frozen_string_literal: true
module GraphQL
module Relay
# A connection implementation to expose MongoDB collection objects.
# It works for:
# - `Mongoid::Criteria`
class MongoRelationConnection < RelationConnection
private
def relation_offset(relation)
relation.options.skip
end
def relation_limit(relation)
relation.options.limit
end
def relation_count(relation)
# Must perform query (hence #to_a) to count results https://jira.mongodb.org/browse/MONGOID-2325
relation.to_a.count
end
def limit_nodes(sliced_nodes, limit)
if limit == 0
if sliced_nodes.respond_to?(:none) # added in Mongoid 4.0
sliced_nodes.without_options.none
else
sliced_nodes.where(id: nil) # trying to simulate #none for 3.1.7
end
else
sliced_nodes.limit(limit)
end
end
end
if defined?(Mongoid::Criteria)
BaseConnection.register_connection_implementation(Mongoid::Criteria, MongoRelationConnection)
end
# Mongoid 5 and 6
if defined?(Mongoid::Relations::Targets::Enumerable)
BaseConnection.register_connection_implementation(Mongoid::Relations::Targets::Enumerable, MongoRelationConnection)
end
# Mongoid 7
if defined?(Mongoid::Association::Referenced::HasMany::Targets::Enumerable)
BaseConnection.register_connection_implementation(Mongoid::Association::Referenced::HasMany::Targets::Enumerable, MongoRelationConnection)
end
end
end
Version data entries
118 entries across 118 versions & 2 rubygems