* Returns the number of rows affected by the SQL command.
* This function returns a string containing the number of rows affected by the SQL statement
* that generated the Answer. This function can only be used following the execution of
* a SELECT, CREATE TABLE AS, INSERT, UPDATE, DELETE, MOVE, FETCH, or COPY statement,
* or an EXECUTE of a prepared query that contains an INSERT, UPDATE, or DELETE statement.
* If the command that generated the Anser was anything else, cmdTuples returns an empty string.
* Returns the number of rows affected by the SQL command. * This function returns a string containing the number of rows affected by the SQL statement * that generated the Answer. This function can only be used following the execution of * a SELECT, CREATE TABLE AS, INSERT, UPDATE, DELETE, MOVE, FETCH, or COPY statement, * or an EXECUTE of a prepared query that contains an INSERT, UPDATE, or DELETE statement. * If the command that generated the Anser was anything else, cmdTuples returns an empty string.