Re: [sqlite] fill in blank fileds
On 23 Dec 2010, at 12:19am, Mark wrote: > ran the first example, came back with lots of lines, second test with the > just the 10 returned > 9 lines as 0: the second line as 2:3832, don't understand the > purpose/meaning of this If that's 2 in the first column then those fields which you think contain blanks actually have two characters in them. So is that a legitimate thing for your cn to have ? Are their any legitimate values for cn which are less than three characters long ? If not, you can run something like UPDATE Aircraft SET CN = '' where length(cn) < 3 and that will make sure they're all really blank. Simon. ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
[sqlite] fill in blank fileds
Hi Simon, ran the first example, came back with lots of lines, second test with the just the 10 returned 9 lines as 0: the second line as 2:3832, don't understand the purpose/meaning of this Hi Igor, not checking for, want to fill in/replace blank or null fields with at least one character ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
[sqlite] fill in blank fileds
Hi Igor, worked using SQLite Database browser/execute SQL but didn't work using an .sql file which is the way I would be doing it. Tried it again and it did work using sql file, thanks for your help ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
Re: [sqlite] fill in blank fileds
On 12/22/2010 7:25 PM, CDN Mark wrote: > Hi Igor, > > not checking for, want to fill in/replace blank or null fields with at least > one character So, does the statement I've shown not do this? Here it is again: UPDATE Aircraft SET CN = '*' where CN = '' or CN is null; In what way does it fail to meet your expectations? -- Igor Tandetnik ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
[sqlite] fill in blank fileds
Hi Simon, ran the first example, came back with lots of lines, second test with the just the 10 returned 9 lines as 0: the second line as 2:3832, don't understand the purpose/meaning of this Hi Igor, not checking for, want to fill in/replace blank or null fields with at least one character ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
Re: [sqlite] fill in blank fileds
On 12/22/2010 6:55 PM, CDN Mark wrote: > I tried using a statement > UPDATE Aircraft SET CN = "*" where CN = ""; > as a test which worked, but not for all records. I don't know if the blank > fields are empty or null I'm not sure I understand the problem. If you are asking how to check both for an empty string and null, just do UPDATE Aircraft SET CN = '*' where CN = '' or CN is null; -- Igor Tandetnik ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
Re: [sqlite] fill in blank fileds
On 22 Dec 2010, at 11:55pm, CDN Mark wrote: > I tried using a statement > UPDATE Aircraft SET CN = "*" where CN = ""; > as a test which worked, but not for all records. I don't know if the blank > fields are empty or null Do a SELECT length(CN),hex(CN) FROM Aircraft if that produces too many lines do SELECT length(CN),hex(CN) FROM Aircraft WHERE length(CN)<3 LIMIT 10 Simon. ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
[sqlite] fill in blank fileds
Hi, looking for help please. Database is a db3, fields are varchar. The problem is that a necessary updating service for this database looks for 'blank' fields, of which there are many, and if there are any, updates ALL the info for that record. The problem is that I want to update with correct info and don't want it overwrittten. I thought if I could at least insert a sinlge character it would stop the auto update. I tried using a statement UPDATE Aircraft SET CN = "*" where CN = ""; as a test which worked, but not for all records. I don't know if the blank fields are empty or null mtia Mark ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
