Function API_ROUTINE isc_dsql_describe

src/yvalve/why.cpp:2214–2238

Describe output parameters (columns) for a prepared statement.

// Describe output parameters (columns) for a prepared statement.
ISC_STATUS API_ROUTINE isc_dsql_describe(ISC_STATUS* userStatus, isc_stmt_handle* stmtHandle,
	USHORT /*dialect*/, XSQLDA* sqlda)
{
	StatusVector status(userStatus);
	CheckStatusWrapper statusWrapper(&status);

	try
	{
		RefPtr<IscStatement> statement(translateHandle(statements, stmtHandle));

		statement->checkPrepared(isc_info_unprepared_stmt);

		RefPtr<IMessageMetadata> columns(REF_NO_INCR,
			statement->statement->next->getOutputMetadata(&statusWrapper));
		status.check();

		sqldaDescribeParameters(sqlda, columns);
	}
	catch (const Exception& e)
	{
		e.stuffException(&statusWrapper);
	}

	return status[1];
}


// Describe input parameters for a prepared statement.