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e76c583b91
Having a large number of post-deploy migrations running out-of-numerical-sequence with pre-deploy migrations can be problematic. For example, if we have the sequence - db/migrate/2017... - add column - db/post_migrate/2018... - drop the column - db/migrate/2021... - add the same column again It will work fine in numerical order. But if you run the pre-deploy migrations **followed by** the post-deploy migrations, you will not get the same result. Our post-deploy system is designed to allow for seamless upgrades of Discourse. However, it is reasonable for us to only support this totally seamless experience for a limited period of time. This commit moves all post_deploy migrations which are more than 1 year old (i.e. more than 2 major Discourse versions ago) into the regular pre-deploy migrations directory. This limits the impact of any edge cases caused by out-of-numerical-sequence migrations.
88 lines
1.9 KiB
Ruby
88 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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require 'migration/column_dropper'
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require 'badge_posts_view_manager'
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class RemoveSuperfluousColumns < ActiveRecord::Migration[5.2]
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DROPPED_COLUMNS ||= {
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user_profiles: %i{
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card_image_badge_id
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},
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categories: %i{
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logo_url
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background_url
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suppress_from_homepage
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},
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groups: %i{
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visible
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public
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alias_level
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},
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theme_fields: %i{target},
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user_stats: %i{first_topic_unread_at},
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topics: %i{
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auto_close_at
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auto_close_user_id
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auto_close_started_at
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auto_close_based_on_last_post
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auto_close_hours
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inappropriate_count
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bookmark_count
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off_topic_count
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illegal_count
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notify_user_count
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last_unread_at
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vote_count
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},
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users: %i{
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email
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email_always
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mailing_list_mode
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email_digests
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email_direct
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email_private_messages
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external_links_in_new_tab
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enable_quoting
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dynamic_favicon
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disable_jump_reply
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edit_history_public
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automatically_unpin_topics
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digest_after_days
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auto_track_topics_after_msecs
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new_topic_duration_minutes
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last_redirected_to_top_at
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auth_token
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auth_token_updated_at
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blocked
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silenced
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trust_level_locked
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},
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user_auth_tokens: %i{legacy},
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user_options: %i{theme_key},
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themes: %i{key},
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email_logs: %i{
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topic_id
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reply_key
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skipped
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skipped_reason
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},
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posts: %i{vote_count}
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}
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def up
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BadgePostsViewManager.drop!
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DROPPED_COLUMNS.each do |table, columns|
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Migration::ColumnDropper.execute_drop(table, columns)
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end
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DB.exec "DROP FUNCTION IF EXISTS first_unread_topic_for(int)"
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BadgePostsViewManager.create!
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end
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def down
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raise ActiveRecord::IrreversibleMigration
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end
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end
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