gitlab-org--gitlab-foss/app/services/issuable/destroy_label_links_service.rb

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# frozen_string_literal: true
module Issuable
class DestroyLabelLinksService
BATCH_SIZE = 100
def initialize(target_id, target_type)
@target_id = target_id
@target_type = target_type
end
def execute
inner_query =
LabelLink
.select(:id)
.for_target(target_id, target_type)
.limit(BATCH_SIZE)
delete_query = <<~SQL
DELETE FROM "#{LabelLink.table_name}"
WHERE id IN (#{inner_query.to_sql})
SQL
loop do
result = LabelLink.connection.execute(delete_query)
break if result.cmd_tuples == 0
end
end
private
attr_reader :target_id, :target_type
end
end