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CREATE OR REPLACE FUNCTION SETSTATE(OLDVALUE VARCHAR2, POS NUMBER, SVALUE VARCHAR2)
RETURN VARCHAR2
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RETURN_VALUE VARCHAR2 (20);
LEN NUMBER(8);
I NUMBER(8);
TEMP_VALUE VARCHAR2(1);
BEGIN
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--> Author : wufeng4552
--> Date : 2009-12-15
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select @re='',@i=datalength(@bin)
while @i>0
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