49 lines
1.2 KiB
Ruby
49 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Database
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# This abstract class is used for models which need to exist in multiple de-composed databases.
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class SharedModel < ActiveRecord::Base
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self.abstract_class = true
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class << self
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def using_connection(connection)
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previous_connection = self.overriding_connection
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unless previous_connection.nil? || previous_connection.equal?(connection)
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raise 'cannot nest connection overrides for shared models with different connections'
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end
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self.overriding_connection = connection
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yield
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ensure
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self.overriding_connection = nil unless previous_connection.equal?(self.overriding_connection)
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end
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def connection
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if connection = self.overriding_connection
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connection
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else
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super
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end
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end
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private
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def overriding_connection
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Thread.current[:overriding_connection]
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end
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def overriding_connection=(connection)
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Thread.current[:overriding_connection] = connection
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end
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end
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def connection_db_config
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self.class.connection_db_config
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end
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end
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end
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end
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