On 9 November 2012 01:40, YAN HONG YE <yanhong...@mpsa.com> wrote: > select date( supplierDate, '+2 days' ) ; > use this cmd couldn't solve the problem; > will have nothing on this column: > > sqlite> select fmn,'84 day'+supplierDate from t93c_adl where fmn like > '85493%'; > 854939|95 > 854938|95 > 854937|95 > sqlite> select fmn,date('84 day'+supplierDate) from t93c_adl where fmn like > '854 > 93%'; > 854939|-4712-02-27 > 854938|-4712-02-27 > 854937|-4712-02-27 > sqlite> select fmn,date(supplierDate) from t93c_adl where fmn like '85493%'; > 854939| > 854938| > 854937| > sqlite> select fmn,supplierDate from t93c_adl where fmn like '85493%'; > 854939|11/15/2012 > 854938|11/30/2012 > 854937|11/30/2012
The dates you are trying to process are not ISO-8601 standard The link provided earlier to the date and time functions indicate that the textual date/time must conform to (a subset of) ISO-8601 Regards, Simon _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users