debian-mirror-gitlab/db/migrate/20171220191323_add_index_on_namespaces_lower_name.rb
2019-02-15 15:39:39 +05:30

33 lines
940 B
Ruby

class AddIndexOnNamespacesLowerName < ActiveRecord::Migration[4.2]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
INDEX_NAME = 'index_on_namespaces_lower_name'
disable_ddl_transaction!
def up
return unless Gitlab::Database.postgresql?
disable_statement_timeout do
if Gitlab::Database.version.to_f >= 9.5
# Allow us to hot-patch the index manually ahead of the migration
execute "CREATE INDEX CONCURRENTLY IF NOT EXISTS #{INDEX_NAME} ON namespaces (lower(name));"
else
execute "CREATE INDEX CONCURRENTLY #{INDEX_NAME} ON namespaces (lower(name));"
end
end
end
def down
return unless Gitlab::Database.postgresql?
disable_statement_timeout do
if Gitlab::Database.version.to_f >= 9.2
execute "DROP INDEX CONCURRENTLY IF EXISTS #{INDEX_NAME};"
else
execute "DROP INDEX IF EXISTS #{INDEX_NAME};"
end
end
end
end