22 lines
594 B
Ruby
22 lines
594 B
Ruby
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class SequenceForAutomatedFeatureFlags < Sequel::Migration
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START_SEQ_NUMBER = -1000
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NAME = 'machine_added_feature_flags_id_seq'
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def up
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# Create sequence to avoid trouble generating unique ids
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# It starts in negative numbers and goes downward in order to be able to identify quickly flags added automatically
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SequelRails.connection.run(%Q{
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CREATE SEQUENCE #{NAME} INCREMENT BY -1
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START WITH #{START_SEQ_NUMBER}
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OWNED BY feature_flags.id;
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})
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end
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def down
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SequelRails.connection.run(%Q{
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DROP SEQUENCE IF EXISTS #{NAME}
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})
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end
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end
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