xpressengine / xe-core

		// 2009. 03. 19: Add a column(eid)

		// 2009. 04. 12: Fixed the issue(#17922959) that changes another column values when adding eid column

		if(!$oDB->isColumnExists("document_extra_keys","eid"))

		{

			$oDB->addColumn("document_extra_keys","eid","varchar",40);

			$output = executeQuery('document.getGroupsExtraKeys', $obj);

			if($output->toBool() && $output->data && count($output->data)) {

				foreach($output->data as $extra_keys) {

					$args->module_srl = $extra_keys->module_srl;

					$args->var_idx = $extra_keys->idx;

					$args->new_eid = "extra_vars".$extra_keys->idx;

					$output = executeQuery('document.updateDocumentExtraKeyEid', $args);

				}

			}

		}

		if(!$oDB->isColumnExists("document_extra_vars","eid"))

		{

			}

		}

		if(!$oDB->isColumnExists("document_extra_vars","eid"))

		{

			$oDB->addColumn("document_extra_vars","eid","varchar",40);

			$obj->var_idx = '-1,-2';

			$output = executeQuery('document.getGroupsExtraVars', $obj);

			if($output->toBool() && $output->data && count($output->data))

			{

				foreach($output->data as $extra_vars)

				{

					$args->module_srl = $extra_vars->module_srl;

					$args->var_idx = $extra_vars->idx;

					$args->new_eid = "extra_vars".$extra_vars->idx;

					$output = executeQuery('document.updateDocumentExtraVarEid', $args);

				}

			}

		}

		// 2011. 03. 30 Cubrid index Check the index in the document_extra_vars table

		if(!$oDB->isIndexExists("document_extra_vars", "idx_document_list_order"))