Bug in comparison to Date?
Hi allPlease note the 2 sets of code pasted below. They return both the same output of 1 January 87 ' but the ' < ' and ' > ' signs were exchanged in the control IF condition. No idea why this is happening? Is this a bug or am I missing something here?
Thank you
SID
Code 1:
----------
DECLARE
THE DATE;
BEGIN
THE: = TO_DATE ('01-' |) 'JAN' | ' -'|| substr('1987',3,2), 'DD-mon-YYYY');
IF months_between(LA,SYSDATE) > 0 THEN
dbms_output.put_line (la);
END IF;
END;
CODE 2:
-----------
DECLARE
date of temp_start_date_date;
I have SEVERAL;
temp_month varchar2 (4);
BEGIN
i: = 1;
temp_month: = "JAN";
temp_start_date_date: = TO_DATE ('01-' | temp_month |) » -'|| substr('1987',3,2), 'DD-mon-YY');
IF months_between(temp_start_date_date,SYSDATE) > 0 THEN
dbms_output.put_line (temp_start_date_date);
END IF;
END;
Published by: the_reckoner on October 15, 2009 05:56
Hello
I'm not sure of the question here. Ask yourself why the 1st query does not produce a value, but the second not?
If so, it's because of your conversion to_date.
In the 1st query convert you a date using DD-MON-YYYY indicating a date of 1 January 1987 "." Comparing sysdate using months_between which gives-23073, so less than 0.
In the 2nd query convert you to a date using DD-MON-AA giving a date of January 1, 2087 '. Comparing sysdate using months_between which gives 926, so superior to 0.
Concerning
Paul
Tags: Database
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***************************************************************************************************************************
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It's what I tell you is wrong and how to fix it.
http://StackOverflow.com/questions/513832/how-do-i-compare-strings-in-Java
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I stumbled upon a possible bug in the class Date. When comparing two dates of November 20, 2007 and on November 22, 2007, I get false logic.
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Hello
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Thank you
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Hi Robert,.
Thanks for the comments, I logged a bug.
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