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you should instead retrieve the result's data using one of these fetch functions in a loop until it returns false, indicating that no more results are available.
see also ingres_query(), ingres_fetch_array(), ingres_fetch_object(), and ingres_fetch_row().
输入函数的表达式。 程序会自动添加前缀“ r ” 。 如: loop( angle) =ln( angle)
enter an expression for the function. the prefix "r" will be added automatically. example: loop(angle)=ln(angle)