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# frozen_string_literal: true
class AddIndexesForMergeRequestDiffsQuery < ActiveRecord::Migration[5.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_SPECS = [
[
:merge_request_metrics,
:latest_closed_at,
{ where: 'latest_closed_at IS NOT NULL' }
],
[
:merge_request_metrics,
[:merge_request_id, :merged_at],
{ where: 'merged_at IS NOT NULL' }
],
[
:merge_request_diffs,
[:merge_request_id, :id],
{
name: 'index_merge_request_diffs_on_merge_request_id_and_id_partial',
where: 'NOT stored_externally OR stored_externally IS NULL'
}
]
].freeze
disable_ddl_transaction!
def up
INDEX_SPECS.each do |spec|
add_concurrent_index(*spec)
end
end
def down
INDEX_SPECS.reverse.each do |spec|
remove_concurrent_index(*spec)
end
end
end
|
