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newtofocus
Platinum Member
posted
Hi,

I have a date that is defined in A8 format. I want to convert it to A8YYMD format to insert into DB2 date field. The following transform gives me a blank date when the OLD_DATE is invalid(i.e 20030431, 20040931 etc). I hav not control over the data.

NEW_DATE/A8YYMD = OLD_DATE

OLD_DATE is defined as A8. How do I move the date to end of month and convert it into A8YYMD format in one step.

Thanks.
 
Posts: 176 | Location: Desplaines | Registered: August 05, 2004Report This Post
mgrackin
Virtuoso
posted Hide Post
Here is an "old school" way to do it. There are newer functions in FOCUS/WebFOCUS that probably do what would like to do in fewer steps but I think this will get the results you are looking for.

TABLE FILE CAR
PRINT RCOST DCOST
COMPUTE
ORG_DATE/A8='20050231';
FST_DATE/I6YYM=EDIT(EDIT(ORG_DATE,'999999')) + 1;
SEC_DATE/YYMD=FST_DATE;
NEW_DATE/YYMD=SEC_DATE-1;
BY COUNTRY
END
 
Posts: 995 | Location: Gaithersburg, MD, USA | Registered: May 07, 2003Report This Post
codermonkey
Platinum Member
posted Hide Post
Hi. You can also try this:

TABLE FILE CAR
PRINT COUNTRY
COMPUTE
DTE_A/A8 = '20050526'; NOPRINT
COMPUTE
DTE_NEW/A8YYMD = DATECVT(DATEMOV(DATECVT(DTE_A, 'A8YYMD', 'YYMD'),
'EOM'), 'YYMD', 'A8YYMD');
WHERE RECORDLIMIT EQ 1
END
 
Posts: 118 | Location: DC | Registered: May 13, 2005Report This Post
newtofocus
Platinum Member
posted Hide Post
Hi,

All of your suggestions work. But I want to move the date to end of month only it is an invalid it. How do I check for that.

NEW_DATE/A8YYMD = OLD_DATE

I tried NEW_DATE = ' '
but it did not work.
 
Posts: 176 | Location: Desplaines | Registered: August 05, 2004Report This Post
newtofocus
Platinum Member
posted Hide Post
Hi,

All of your suggestions work. But I want to move the date to end of month only if is an invalid date, like 20040931. How do I check for that.

NEW_DATE/A8YYMD = OLD_DATE

I tried NEW_DATE = ' '
but it did not work.
 
Posts: 176 | Location: Desplaines | Registered: August 05, 2004Report This Post
codermonkey
Platinum Member
posted Hide Post
Try this:
-*COMPUTE DTEA/A8 = '20050526'; NOPRINT
COMPUTE DTEA/A8 = '20050532'; NOPRINT
COMPUTE DTEB/A8 = EDIT(DTEA,'999999') | '01';
COMPUTE DTE_NEW/A8YYMD= IF (DATECVT(DTEA, 'A8YYMD', 'YYMD') EQ 0) THEN
DATECVT(DATEMOV(DATECVT(DTEB, 'A8YYMD', 'YYMD'),'EOM'),'YYMD', 'A8YYMD')
ELSE DTEA;
Couple things to note:
1) DATECVT returns zero when the dated tested is invalid so you can then test for the zero
2) the DTEB field is necessary because DATEMOV wants a valid date for input. So, you set the date to the first of the month then move it to the end via DATEMOV.

Hope this helps.
 
Posts: 118 | Location: DC | Registered: May 13, 2005Report This Post
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