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30990006a9
This reduces chances of errors where consumers of strings mutate inputs and reduces memory usage of the app. Test suite passes now, but there may be some stuff left, so we will run a few sites on a branch prior to merging
24 lines
674 B
Ruby
24 lines
674 B
Ruby
# frozen_string_literal: true
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class FixIncomingLinks < ActiveRecord::Migration[4.2]
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def up
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execute "DROP INDEX incoming_index"
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add_column :incoming_links, :post_id, :integer
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remove_column :incoming_links, :updated_at
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remove_column :incoming_links, :url
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execute "UPDATE incoming_links l SET post_id = (
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SELECT p.id FROM posts p WHERE p.topic_id = l.topic_id AND p.post_number = l.post_number
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)"
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execute "DELETE FROM incoming_links WHERE post_id IS NULL"
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change_column :incoming_links, :post_id, :integer, null: false
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add_index :incoming_links, :post_id
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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