15 lines
560 B
Ruby
15 lines
560 B
Ruby
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class SetDiscussionEntryRootIds < ActiveRecord::Migration
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tag :postdeploy
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def self.up
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# fix up parent_id, which was getting set to 0 for root-level entries
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# also set root_entry_id to parent_id for all existing entries
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DiscussionEntry.update_all("parent_id = CASE parent_id WHEN 0 THEN null ELSE parent_id END, root_entry_id = CASE parent_id WHEN 0 THEN null ELSE parent_id END")
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end
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def self.down
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DiscussionEntry.update_all("parent_id = 0", "parent_id IS NULL")
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# previous migration drops the root_entry_id column here
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end
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end
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