26 lines
658 B
Ruby
26 lines
658 B
Ruby
# frozen_string_literal: true
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class AddUserNotesCountIndex < ActiveRecord::Migration[5.2]
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def up
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execute <<~SQL
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DELETE
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FROM user_custom_fields a
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USING user_custom_fields b
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WHERE a.name = 'user_notes_count'
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AND a.name = b.name
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AND a.user_id = b.user_id
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AND a.id > b.id
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SQL
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add_index :user_custom_fields,
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%i[name user_id],
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unique: true,
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name: :idx_user_custom_fields_user_notes_count,
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where: "name = 'user_notes_count'"
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end
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def down
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remove_index :user_custom_fields, name: :idx_user_custom_fields_user_notes_count
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end
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end
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