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2023-03-27 16:09:10 +02:00
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class MediaAttachmentIdsToTimestampIds < ActiveRecord::Migration[5.2]
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2020-07-07 15:26:51 +02:00
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def up
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# Set up the media_attachments.id column to use our timestamp-based IDs.
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safety_assured do
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execute("ALTER TABLE media_attachments ALTER COLUMN id SET DEFAULT timestamp_id('media_attachments')")
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end
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# Make sure we have a sequence to use.
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Mastodon::Snowflake.ensure_id_sequences_exist
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end
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def down
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2023-02-18 23:38:14 +01:00
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execute('LOCK media_attachments')
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2020-07-07 15:26:51 +02:00
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execute("SELECT setval('media_attachments_id_seq', (SELECT MAX(id) FROM media_attachments))")
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execute("ALTER TABLE media_attachments ALTER COLUMN id SET DEFAULT nextval('media_attachments_id_seq')")
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end
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end
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