Hello 2010/8/30 Yosef Haas <yosef@xxxxxxxxxxxxxxx>: > I have a table (transactions) with an order_date field that is varchar(32). > The data looks like this: > > > > order_date > > ------------------- > > 20100623 02:16:40 > > 20100623 04:32:41 > > 20100625 04:18:53 > > 20100625 07:53:24 > > > > In my current database (8.1.4) if I run > > select (*) from transactions where order_date > ‘2010-06-24’; > > I get: > > count > > -------- > > 2 > > > > I’m moving to a new server that has 8.2.11. There, if I run the same query, > I get > > count > > -------- > > 4 > > > > > > In both, select (*) from transactions where order_date > ‘20100624’; returns > 2. > > > > The newer version does not seem to know that ‘2010-06-24’ is a date the same > way that ‘20100624’ is. > > > > Any ideas? Is there somewhere that I can specify that with, or without the > hyphens, they are both dates? > a) check your locales - different locales can make different order b) use a native data type "timestamp" - your technique isn't best - it is slower, needs more memory and depends on locale. Regards Pavel Stehule > > > > > Thank you, > > Yosef Haas > > yosef@xxxxxxxxxxxxxxx > > -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
