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# frozen_string_literal: true
class DeleteIssueMergeRequestTaggingsRecords < Gitlab::Database::Migration[1.0]
disable_ddl_transaction!
INDEX_NAME = 'tmp_index_taggings_on_id_where_taggable_type_issue_mr'
BATCH_SIZE = 3_000
TAGGABLE_TYPES = %w(Issue MergeRequest)
class Tagging < ActiveRecord::Base
self.table_name = "taggings"
end
def up
sleep 2 while Tagging.where(taggable_type: TAGGABLE_TYPES).limit(BATCH_SIZE).delete_all > 0
remove_concurrent_index_by_name :taggings, INDEX_NAME
end
def down
end
end
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