738413c65f
add tooltips in the frontend fix a JS problem with empty hostname use `find_in_batches` correctly add a migration to clean up the pods table + unique index on hostname
24 lines
568 B
Ruby
24 lines
568 B
Ruby
class RemoveDuplicateAndEmptyPods < ActiveRecord::Migration
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def up
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remove_dupes
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remove_empty_or_nil
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add_index :pods, :host, unique: true, length: 190 # =190*4 for utf8mb4
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end
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def down
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remove_index :pods, :host
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end
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private
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def remove_dupes
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duplicates = Pod.group(:host).count.select {|_, v| v > 1 }.keys
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ids = duplicates.flat_map {|pod| Pod.where(host: pod).order(created_at: :asc).pluck(:id).tap(&:shift) }
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Pod.where(id: ids).destroy_all
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end
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def remove_empty_or_nil
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Pod.where(host: [nil, ""]).destroy_all
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end
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end
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