Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR
On Tue, 15 Feb 2011 03:30:23 -0800 (PST), venkat easwar <hareas...@yahoo.com> wrote: >Oh... Thanks Kennedy. Between any options on run time to enable the feature? No, it's a compile-time option, compiling without SQLITE_ENABLE_UPDATE_DELETE_LIMIT makes SQLite a bit lighter. Without that feature, if you want to update one row, use it's unique key in a WHERE clause. In your schema, it would make sense to create the table like this: create table check_update( a INTEGER PRIMARY KEY, b TEXT, c INTEGER ); The INSERTs will stay the same, and the update statement becomes something like: UPDATE check_update SET b='venkat n' WHERE a = ( SELECT min(a) FROM check_update WHERE b='venkat' ); Hpoe this helps. > >From: Dan Kennedy <danielk1...@gmail.com> >To: sqlite-users@sqlite.org >Sent: Tue, February 15, 2011 4:48:24 PM >Subject: Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR > >On 02/15/2011 06:04 PM, venkat easwar wrote: >> Forgot to mention what error I am getting. >> >> near "order": syntax error >> near "limit": syntax error - if i remove the order by clause > >See under the "Optional LIMIT and ORDER BY Clauses" heading >on this page: > > http://www.sqlite.org/lang_update.html > >You need to build SQLite with SQLITE_ENABLE_UPDATE_DELETE_LIMIT >defined. > > http://www.sqlite.org/compile.html#enable_update_delete_limit -- ( Kees Nuyt ) c[_] ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR
Oh... Thanks Kennedy. Between any options on run time to enable the feature? VENKAT From: Dan Kennedy <danielk1...@gmail.com> To: sqlite-users@sqlite.org Sent: Tue, February 15, 2011 4:48:24 PM Subject: Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR On 02/15/2011 06:04 PM, venkat easwar wrote: > Forgot to mention what error I am getting. > > near "order": syntax error > near "limit": syntax error - if i remove the order by clause See under the "Optional LIMIT and ORDER BY Clauses" heading on this page: http://www.sqlite.org/lang_update.html You need to build SQLite with SQLITE_ENABLE_UPDATE_DELETE_LIMIT defined. http://www.sqlite.org/compile.html#enable_update_delete_limit ___ 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
Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR
On 02/15/2011 06:04 PM, venkat easwar wrote: > Forgot to mention what error I am getting. > > near "order": syntax error > near "limit": syntax error - if i remove the order by clause See under the "Optional LIMIT and ORDER BY Clauses" heading on this page: http://www.sqlite.org/lang_update.html You need to build SQLite with SQLITE_ENABLE_UPDATE_DELETE_LIMIT defined. http://www.sqlite.org/compile.html#enable_update_delete_limit ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR
I apologize for multiple mails. In create I missed to add one column. The actual create statement is create table check_update( a int, b char, c int); insert into check_update values (1,'venkat',22); insert into check_update values (2,'venkat',23); Failing query: update check_update set b='venkat n' where b='venkat' order by a limit 1; support link: http://www.sqlite.org/syntaxdiagrams.html#update-stmt-limited VENKAT From: venkat easwar <hareas...@yahoo.com> To: General Discussion of SQLite Database <sqlite-users@sqlite.org> Sent: Tue, February 15, 2011 4:34:21 PM Subject: Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR Forgot to mention what error I am getting. near "order": syntax error near "limit": syntax error - if i remove the order by clause VENKAT From: venkat easwar <hareas...@yahoo.com> To: General Discussion of SQLite Database <sqlite-users@sqlite.org> Sent: Tue, February 15, 2011 4:32:40 PM Subject: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR Hi Buddies, Sqlite support document says, update with limit and order by clauses are supported. But I found it actually not working. Sample DB schema, create table check_update( a int, b char); insert into check_update values (1,'venkat',22); insert into check_update values (2,'venkat',23); Now a update like this update check_update set b='venkat n' where b='venkat' order by a limit 1; should actually update the first row but not the second one as per document http://www.sqlite.org/syntaxdiagrams.html#update-stmt-limited The scenario is given just for reproduction, my actual scenes are different and which needs this implementation. :( Well, now am I missing something in the update. VENKAT ___ 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
Re: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR
Forgot to mention what error I am getting. near "order": syntax error near "limit": syntax error - if i remove the order by clause VENKAT From: venkat easwar <hareas...@yahoo.com> To: General Discussion of SQLite Database <sqlite-users@sqlite.org> Sent: Tue, February 15, 2011 4:32:40 PM Subject: [sqlite] UPDATE WITH ORDER BY LIMIT ERROR Hi Buddies, Sqlite support document says, update with limit and order by clauses are supported. But I found it actually not working. Sample DB schema, create table check_update( a int, b char); insert into check_update values (1,'venkat',22); insert into check_update values (2,'venkat',23); Now a update like this update check_update set b='venkat n' where b='venkat' order by a limit 1; should actually update the first row but not the second one as per document http://www.sqlite.org/syntaxdiagrams.html#update-stmt-limited The scenario is given just for reproduction, my actual scenes are different and which needs this implementation. :( Well, now am I missing something in the update. VENKAT ___ 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] UPDATE WITH ORDER BY LIMIT ERROR
Hi Buddies, Sqlite support document says, update with limit and order by clauses are supported. But I found it actually not working. Sample DB schema, create table check_update( a int, b char); insert into check_update values (1,'venkat',22); insert into check_update values (2,'venkat',23); Now a update like this update check_update set b='venkat n' where b='venkat' order by a limit 1; should actually update the first row but not the second one as per document http://www.sqlite.org/syntaxdiagrams.html#update-stmt-limited The scenario is given just for reproduction, my actual scenes are different and which needs this implementation. :( Well, now am I missing something in the update. VENKAT ___ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
