88 lines
2.7 KiB
Ruby
88 lines
2.7 KiB
Ruby
# frozen_string_literal: true
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class CreatePostHotlinkedMedia < ActiveRecord::Migration[6.1]
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def change
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reversible do |dir|
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dir.up do
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execute <<~SQL
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CREATE TYPE hotlinked_media_status AS ENUM('downloaded', 'too_large', 'download_failed', 'upload_create_failed')
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SQL
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end
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dir.down do
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execute <<~SQL
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DROP TYPE hotlinked_media_status
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SQL
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end
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end
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create_table :post_hotlinked_media do |t|
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t.bigint :post_id, null: false
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t.string :url, null: false
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t.column :status, :hotlinked_media_status, null: false
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t.bigint :upload_id
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t.timestamps
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# Failed on some installations due to index size. Repaired in 20220428094027
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# t.index [:post_id, :url], unique: true
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end
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execute <<~SQL
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CREATE UNIQUE INDEX index_post_hotlinked_media_on_post_id_and_url_md5
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ON post_hotlinked_media (post_id, md5(url));
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SQL
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reversible do |dir|
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dir.up do
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execute <<~SQL
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INSERT INTO post_hotlinked_media (post_id, url, status, upload_id, created_at, updated_at)
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SELECT
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post_id,
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obj.key AS url,
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'downloaded',
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obj.value::bigint AS upload_id,
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pcf.created_at,
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pcf.updated_at
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FROM post_custom_fields pcf
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JOIN json_each_text(pcf.value::json) obj ON true
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JOIN uploads ON obj.value::bigint = uploads.id
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WHERE name='downloaded_images'
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AND pcf.value LIKE '{%' -- JSON Object
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ON CONFLICT (post_id, md5(url::text)) DO NOTHING
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SQL
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execute <<~SQL
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INSERT INTO post_hotlinked_media (post_id, url, status, upload_id, created_at, updated_at)
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SELECT
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post_id,
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url.value,
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'download_failed',
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NULL,
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pcf.created_at,
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pcf.updated_at
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FROM post_custom_fields pcf
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JOIN json_array_elements_text(pcf.value::json) url ON true
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WHERE name='broken_images'
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AND pcf.value LIKE '[%' -- JSON Array
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ON CONFLICT (post_id, md5(url::text)) DO NOTHING
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SQL
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execute <<~SQL
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INSERT INTO post_hotlinked_media (post_id, url, status, upload_id, created_at, updated_at)
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SELECT
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post_id,
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url.value,
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'too_large',
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NULL,
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pcf.created_at,
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pcf.updated_at
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FROM post_custom_fields pcf
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JOIN json_array_elements_text(pcf.value::json) url ON true
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WHERE name='large_images'
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AND pcf.value LIKE '[%' -- JSON Array
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ON CONFLICT (post_id, md5(url::text)) DO NOTHING
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SQL
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end
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end
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end
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end
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