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Commit 53f73ac3069e88199d3a0dc208b82bff7bde034c

Authored by Rodrigo Souto
1 parent 45c0df82
Exists in staging and in 32 other branches all_pending_tasks_api, api-articles-period, api_roles, comments_permissions, elasticsearch, elasticsearch_api, elasticsearch_categories, elasticsearch_filter, elasticsearch_sort, elasticsearch_to_merge, elasticsearch_view, environment-exposes-api, export-comment-api, export_data, external_followers, federation-webfinger, federation_followers, federation_followers_backend, federation_oauth_provider, federation_webfinger, fix_notification_email, follower_permition, master, master_profile_followers, oauth_external_login, oauth_login, private-scraps, private-scraps-rebase, production, profile_api_improvements, user_mention, webfinger_server

article-followers: fast migration to move followers from settings to table

Showing 1 changed file with 12 additions and 0 deletions   Show diff stats
db/migrate/20151105175041_create_article_followers.rb 0 → 100644
  Diff comments   View file @53f73ac
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  1 +class CreateArticleFollowers < ActiveRecord::Migration
  2 + def self.up
  3 + execute("CREATE TABLE article_followers AS (SELECT profiles.id AS person_id, t.id AS article_id, clock_timestamp() AS since FROM (SELECT articles.id, regexp_split_to_table(replace(replace(substring(articles.setting FROM ':followers:[^:]*'), ':followers:', ''), '- ', ''), '\n') AS follower FROM articles) t INNER JOIN users ON users.email = follower INNER JOIN profiles ON users.id = profiles.user_id WHERE follower != '');")
  4 + add_index :article_followers, :person_id
  5 + add_index :article_followers, :article_id
  6 + add_index :article_followers, [:person_id, :article_id], :unique => true
  7 + end
  8 +
  9 + def self.down
  10 + drop_table :article_followers
  11 + end
  12 +end