29 lines
768 B
Ruby
29 lines
768 B
Ruby
# frozen_string_literal: true
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class EmailTokensTokenToNullable < ActiveRecord::Migration[6.1]
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def up
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# ensure column is nullable in case any inserts happen
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# prior to post migrations
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#
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# using this somewhat verbose pattern to avoid impacting people who
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# drifted on main
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begin
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Migration::SafeMigrate.disable!
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execute <<~SQL if DB.query_single(<<~SQL).length > 0
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ALTER TABLE email_tokens ALTER COLUMN token DROP NOT NULL
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SQL
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SELECT 1 FROM INFORMATION_SCHEMA.COLUMNS
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WHERE table_schema='public'
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AND table_name = 'email_tokens'
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AND column_name = 'token'
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SQL
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ensure
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Migration::SafeMigrate.enable!
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end
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end
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def down
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# do nothing, does not matter
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end
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end
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