ORA-06548: no more rows needed
Cause: The caller of a pipelined function did not need more rows to be produced by the pipelined function.
Action: Do not catch the NO_DATA_NEEDED exception in an exception handling block.
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ORA-06548: no more rows needed这是Oracle数据库的一个错误代码，指的是不再需要已读取的行，但程序仍在尝试读取下一行。