rows.affected from the result of
dbGetInfo(res).dbGetRowsAffected(res, ...)DBIResult .dbClearResult;
dbColumnInfo; dbFetch,
dbFetch,DBIResult-method,
fetch; dbGetRowCount,
dbGetRowCount,DBIResult-method;
dbGetStatement,
dbGetStatement,DBIResult-method;
dbHasCompleted,
dbHasCompleted,DBIResult-method