Sir , Firstly Thanks for quick reply .... But actually i need to know about how reset these values ... Is there any file available where we need to
edit these values or in command line we need to set these values Please if u can share link or procedure to change these default settings it will be helpful Thanks Kevin Benson wrote: > > http://www.sqlite.org/limits.html > > "2.Maximum Number Of Columns > > The SQLITE_MAX_COLUMN compile-time parameter is used to set an upper bound > on: > > ◦The number of columns in a table > ◦The number of columns in an index > ◦The number of columns in a view > ◦The number of terms in the SET clause of an UPDATE statement > ◦The number of columns in the result set of a SELECT statement > ◦The number of terms in a GROUP BY or ORDER BY clause > ◦The number of values in an INSERT statement > > The default setting for SQLITE_MAX_COLUMN is 2000. You can change it > at compile time to values as large as 32767. On the other hand, many > experienced database designers will argue that a well-normalized > database will never need more than 100 columns in a table. > > In most applications, the number of columns is small - a few dozen. > There are places in the SQLite code generator that use algorithms that > are O(N²) where N is the number of columns. So if you redefine > SQLITE_MAX_COLUMN to be a really huge number and you generate SQL that > uses a large number of columns, you may find that sqlite3_prepare_v2() > runs slowly. > > The maximum number of columns can be lowered at run-time using the > sqlite3_limit(db,SQLITE_LIMIT_COLUMN,size) interface." > > On 11/14/11, vinayh4 <vinay...@gmail.com> wrote: >> >> Hi All >> >> I need to create table with more than 2000 columns, How to reset >> SQLITE_MAX_COLUMN value which >> is 2000 . Plz help me on this issue. >> >> Thanks >> Vinay >> >> >> Vannus wrote: >>> >>> That should do the trick, thanks for pointing it out. >>> >>> On 10 February 2011 06:18, Dan Kennedy <danielk1...@gmail.com> wrote: >>> >>>> On 02/10/2011 01:56 AM, Vannus wrote: >>>> > Zeoslib is reading sqlite field lengths incorrectly, as it checks for >>>> > brackets after the field typename ie. CHAR(123) >>>> > presumably this is only affecting me because I haven't defined field >>>> lengths >>>> > in my sqlite3 db. >>>> > >>>> > I don't want to hard-code 1,000,000,000 or 2147483647 in as the field >>>> length >>>> > - but how do I check what SQLITE_MAX_LENGTH or the limit imposed by >>>> > sql_limit or sqlite3_limit is? >>>> >>>> At http://www.sqlite.org/c3ref/limit.html the third paragraph >>>> has: >>>> >>>> Regardless of whether or not the limit was changed, the >>>> sqlite3_limit() interface returns the prior value of the limit. >>>> Hence, to find the current value of a limit without changing it, >>>> simply invoke this interface with the third parameter set to -1. >>>> >>>> Maybe you can use that. >>>> >>>> Dan. >>>> _______________________________________________ >>>> 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 >>> >>> >> >> -- >> View this message in context: >> http://old.nabble.com/determine-SQLITE_MAX_LENGTH-or-sql_limit-sqlite3_limit-tp30885748p32838625.html >> Sent from the SQLite mailing list archive at Nabble.com. >> >> _______________________________________________ >> sqlite-users mailing list >> sqlite-users@sqlite.org >> http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users >> > > > -- > -- > -- > -- > --ô¿ô-- > K e V i N > _______________________________________________ > sqlite-users mailing list > sqlite-users@sqlite.org > http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users > > -- View this message in context: http://old.nabble.com/determine-SQLITE_MAX_LENGTH-or-sql_limit-sqlite3_limit-tp30885748p32839229.html Sent from the SQLite mailing list archive at Nabble.com. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
