Duplicate row is because of uniqueness of col3 and col4. I will try to change the code to select for col3 and col4, but I am not sure it would make any difference.
Hemant Shah E-mail: hj...@yahoo.com --- On Wed, 12/1/10, Jim Morris <jmor...@bearriver.com> wrote: > From: Jim Morris <jmor...@bearriver.com> > Subject: Re: [sqlite] Select fails even though data is in the table. > To: sqlite-users@sqlite.org > Date: Wednesday, December 1, 2010, 10:29 AM > I still think you should use the same > columns for searching for the > duplicate that cause the collision. Using > col4 seem problematic. Can > you change the code to use col2 and col3? > > On 12/1/2010 8:24 AM, Hemant Shah wrote: > > This is a single thread/process. No other thread or > process is accessing the data. > > > > This is a single process that reads data from message > queue and dumps into database to look for duplicate rows. > > > > The problem occurs for some rows only (about 3 to 5 an > hour). > > > > > > Hemant Shah > > E-mail: hj...@yahoo.com > > > > > > --- On Wed, 12/1/10, Jim Morris<jmor...@bearriver.com> > wrote: > > > >> From: Jim Morris<jmor...@bearriver.com> > >> Subject: Re: [sqlite] Select fails even though > data is in the table. > >> To: sqlite-users@sqlite.org > >> Date: Wednesday, December 1, 2010, 10:15 AM > >> If you have another thread running > >> that deletes or modifies the table, > >> then move the commit to after the select for > duplicate to > >> ensure > >> transactional integrity. > >> > >> On 12/1/2010 8:10 AM, Black, Michael (IS) wrote: > >>> The problem is probably in the bind calls that > you are > >> not showing. > >>> If you care to share them we may be able to > help. > >>> > >>> Michael D. Black > >>> Senior Scientist > >>> Advanced Analytics Directorate > >>> Northrop Grumman Information Systems > >>> > >>> > >>> ________________________________ > >>> > >>> From: sqlite-users-boun...@sqlite.org > >> on behalf of Hemant Shah > >>> Sent: Wed 12/1/2010 10:08 AM > >>> To: General Discussion of SQLite Database > >>> Subject: EXTERNAL:Re: [sqlite] Select fails > even > >> though data is in the table. > >>> > >>> > >>> The unique key is col3 and col4 (SeqNum and > MD5Sum). > >>> > >>> If the insert fails for this unique key then > col4 > >> should be the same. > >>> It should find the row for the even if I > select for > >> col4 only. > >>> Hemant Shah > >>> E-mail: hj...@yahoo.com > >>> > >>> > >>> > >>> > >>> > >>> > >>> > _______________________________________________ > >>> sqlite-users mailing list > >>> sqlite-users@sqlite.org > >>> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > >> _______________________________________________ > >> sqlite-users mailing list > >> sqlite-users@sqlite.org > >> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > >> > > > > > > _______________________________________________ > > sqlite-users mailing list > > sqlite-users@sqlite.org > > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users