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# frozen_string_literal: true
class AddMergeRequestJiraReferenceIndexes < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
DESCRIPTION_INDEX_NAME = 'index_merge_requests_on_target_project_id_iid_jira_description'
TITLE_INDEX_NAME = 'index_merge_requests_on_target_project_id_and_iid_jira_title'
JIRA_KEY_REGEX = '[A-Z][A-Z_0-9]+-\d+'
disable_ddl_transaction!
def up
add_concurrent_index(
:merge_requests,
[:target_project_id, :iid],
name: TITLE_INDEX_NAME,
using: :btree,
where: "(merge_requests.title)::text ~ '#{JIRA_KEY_REGEX}'::text"
)
add_concurrent_index(
:merge_requests,
[:target_project_id, :iid],
name: DESCRIPTION_INDEX_NAME,
using: :btree,
where: "(merge_requests.description)::text ~ '#{JIRA_KEY_REGEX}'::text"
)
end
def down
remove_concurrent_index_by_name(
:merge_requests,
TITLE_INDEX_NAME
)
remove_concurrent_index_by_name(
:merge_requests,
DESCRIPTION_INDEX_NAME
)
end
end
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