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# frozen_string_literal: true
class AddPrimaryKeyToElasticSearchIndexedNamespaces < ActiveRecord::Migration[6.0]
include Gitlab::Database::MigrationHelpers
DOWNTIME = false
UNIQUE_INDEX_NAME = 'index_elasticsearch_indexed_namespaces_on_namespace_id'
PRIMARY_KEY_NAME = 'elasticsearch_indexed_namespaces_pkey'
disable_ddl_transaction!
def up
with_lock_retries do
execute(<<~SQL)
LOCK TABLE elasticsearch_indexed_namespaces IN ACCESS EXCLUSIVE MODE;
DELETE FROM elasticsearch_indexed_namespaces
WHERE namespace_id IS NULL;
ALTER TABLE elasticsearch_indexed_namespaces
ADD CONSTRAINT #{PRIMARY_KEY_NAME} PRIMARY KEY USING INDEX #{UNIQUE_INDEX_NAME};
SQL
end
end
def down
add_concurrent_index :elasticsearch_indexed_namespaces, :namespace_id, unique: true, name: UNIQUE_INDEX_NAME
with_lock_retries do
execute(<<~SQL)
ALTER TABLE elasticsearch_indexed_namespaces
DROP CONSTRAINT #{PRIMARY_KEY_NAME},
ALTER COLUMN namespace_id DROP NOT NULL
SQL
end
end
end
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