diff options
Diffstat (limited to 'db/post_migrate/20200127151953_migrate_snippet_notes_mentions_to_db.rb')
| -rw-r--r-- | db/post_migrate/20200127151953_migrate_snippet_notes_mentions_to_db.rb | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/db/post_migrate/20200127151953_migrate_snippet_notes_mentions_to_db.rb b/db/post_migrate/20200127151953_migrate_snippet_notes_mentions_to_db.rb deleted file mode 100644 index 3795a96b426..00000000000 --- a/db/post_migrate/20200127151953_migrate_snippet_notes_mentions_to_db.rb +++ /dev/null @@ -1,38 +0,0 @@ -# frozen_string_literal: true - -class MigrateSnippetNotesMentionsToDb < ActiveRecord::Migration[5.2] - include Gitlab::Database::MigrationHelpers - - DOWNTIME = false - DELAY = 2.minutes.to_i - BATCH_SIZE = 10_000 - MIGRATION = 'UserMentions::CreateResourceUserMention' - - INDEX_CONDITION = "note LIKE '%@%'::text AND notes.noteable_type = 'Snippet'" - QUERY_CONDITIONS = "#{INDEX_CONDITION} AND snippet_user_mentions.snippet_id IS NULL" - JOIN = 'INNER JOIN snippets ON snippets.id = notes.noteable_id LEFT JOIN snippet_user_mentions ON notes.id = snippet_user_mentions.note_id' - - disable_ddl_transaction! - - class Note < ActiveRecord::Base - include EachBatch - - self.table_name = 'notes' - end - - def up - Note - .joins(JOIN) - .where(QUERY_CONDITIONS) - .each_batch(of: BATCH_SIZE) do |batch, index| - range = batch.pluck(Arel.sql('MIN(notes.id)'), Arel.sql('MAX(notes.id)')).first - migrate_in(index * DELAY, MIGRATION, ['Snippet', JOIN, QUERY_CONDITIONS, true, *range]) - end - end - - def down - # no-op - # temporary index is to be dropped in a different migration in an upcoming release: - # https://gitlab.com/gitlab-org/gitlab/issues/196842 - end -end |