26 lines
671 B
Ruby
26 lines
671 B
Ruby
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# frozen_string_literal: true
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class AddConstraintsToUserStat < ActiveRecord::Migration[6.1]
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def up
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execute(<<~SQL)
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UPDATE user_stats
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SET post_count = 0
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WHERE post_count < 0
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SQL
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execute(<<~SQL)
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UPDATE user_stats
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SET topic_count = 0
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WHERE topic_count < 0
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SQL
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execute "ALTER TABLE user_stats ADD CONSTRAINT topic_count_positive CHECK (topic_count >= 0)"
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execute "ALTER TABLE user_stats ADD CONSTRAINT post_count_positive CHECK (post_count >= 0)"
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end
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def down
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execute "ALTER TABLE user_stats DROP CONSTRAINT topic_count_positive"
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execute "ALTER TABLE user_stats DROP CONSTRAINT post_count_positive"
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end
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end
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