Bracket the potential dates in the SELECT and eliminate the ones you don't want using DFSORT in a later step. So if you are using CURRENT_DATE in the SELECT use >= CURRENT_DATE for the situation where the job clicks over to next date. 125 million rows is not a lot for DFSORT to filter later.
On Wed, Aug 6, 2014 at 9:56 AM, John McKown <john.archie.mck...@gmail.com> wrote: > On Tue, Aug 5, 2014 at 6:03 PM, Ron Thomas <ron5...@gmail.com> wrote: > > Ok The current date is one of the fields in the where clause. There are > few others too. Let me know if there is any other way to handle ?. > Thanks. > > > > This really should be on the DB2-L list. "But that's not important." > (Airplane!) > > You didn't show the WHERE clause. So I must try to guess. I'll guess > that the WHERE uses the CURRENT_DATE special register. E.g. WHERE > some-var = CURRENT_DATE . The "somv-var" is a DATE field in each row > of the table. You might get away with a WHERE clause like: WHERE > some-var = CAST(CURRENT_TIMESTAMP - 5 HOURS AS DATE) . Hopefully the > previous expression is obvious in intent. But it basically sets the > "current DATE" to start at 05:00:00 and end at 04:59:59.999999 on the > "next" day. So, as long as the job runs on or after 05:00:00 of day > "n" and strictly before 05:00:00 of day "n+1", then the WHERE will be > TRUE for day "n". > > Wish I were a better communicator. It may be nasty to say, but I find > it puzzling that this is not blatantly obvious to whomever is > responsible for crafting your SQL queries. Unless, of course, there is > more to this than has been revealed as yet. > > Again: POST THE SQL! It will make things much easier. Redact the names > if they are somehow "proprietary" or "not to be revealed under pain of > pain". > > > -- > There is nothing more pleasant than traveling and meeting new people! > Genghis Khan > > Maranatha! <>< > John McKown > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN > -- Wayne V. Bickerdike ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
