36 lines
756 B
Ruby
36 lines
756 B
Ruby
# frozen_string_literal: true
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class AddLabelRestoreForeignKeys < ActiveRecord::Migration[6.0]
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include Gitlab::Database::MigrationHelpers
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DOWNTIME = false
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disable_ddl_transaction!
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def up
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# create foreign keys
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connection.foreign_keys(labels_table_name).each do |fk|
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fk_options = fk.options
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add_concurrent_foreign_key(backup_labels_table_name, fk.to_table, name: fk.name, column: fk_options[:column])
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end
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end
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def down
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connection.foreign_keys(backup_labels_table_name).each do |fk|
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with_lock_retries do
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remove_foreign_key backup_labels_table_name, name: fk.name
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end
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end
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end
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private
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def labels_table_name
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:labels
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end
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def backup_labels_table_name
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:backup_labels
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end
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end
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