2012-01-05 03:15:48 +08:00
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class FixSisCommunicationChannels < ActiveRecord::Migration
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2013-10-26 06:12:54 +08:00
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disable_ddl_transaction!
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2012-01-05 03:15:48 +08:00
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2012-02-03 02:29:20 +08:00
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def self.up
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2012-01-05 03:15:48 +08:00
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begin
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2013-03-19 23:48:47 +08:00
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pseudonym_ids = Pseudonym.joins(:sis_communication_channel).where("pseudonyms.user_id<>communication_channels.user_id").limit(1000).pluck(:id)
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Pseudonym.where(:id => pseudonym_ids).update_all(:sis_communication_channel_id => nil)
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2012-01-05 03:15:48 +08:00
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sleep 1
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end until pseudonym_ids.empty?
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end
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def self.down
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end
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end
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