49 lines
1.3 KiB
Ruby
49 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class AddTopicThumbnailInformation < ActiveRecord::Migration[6.0]
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disable_ddl_transaction!
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def up
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# tables are huge ... avoid holding on to large number of locks by doing one at a time
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execute <<~SQL
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ALTER TABLE posts
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ADD COLUMN IF NOT EXISTS image_upload_id bigint
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SQL
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execute <<~SQL
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ALTER TABLE topics
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ADD COLUMN IF NOT EXISTS image_upload_id bigint
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SQL
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execute <<~SQL
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CREATE INDEX CONCURRENTLY IF NOT EXISTS
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index_posts_on_image_upload_id ON posts USING btree (image_upload_id)
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SQL
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execute <<~SQL
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CREATE INDEX CONCURRENTLY IF NOT EXISTS
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index_topics_on_image_upload_id ON topics USING btree (image_upload_id)
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SQL
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ActiveRecord::Base.transaction do
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add_column :theme_modifier_sets, :topic_thumbnail_sizes, :string, array: true
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create_table :topic_thumbnails do |t|
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t.references :upload, null: false
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t.references :optimized_image, null: true
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t.integer :max_width, null: false
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t.integer :max_height, null: false
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end
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add_index :topic_thumbnails,
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%i[upload_id max_width max_height],
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name: :unique_topic_thumbnails,
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unique: true
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end
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end
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def down
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raise IrreversibleMigration
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end
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end
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