> This is obviously wrong. The SELECT command from TABLE t could never have > returned any INT values (because SQLite has no INT datatype). So why was > TABLE t_copy created with an INT column ?
Because three letters INT are enough to assign INTEGER affinity to the column. > From <http://www.sqlite.org/datatype3.html> it can be seen that there is no > such datatype as INT. So no values returned by the SELECT command can be > INT. Therefore no columns of the new table should be INT, they should be > INTEGER instead. Are you mixing up data type and column declared type? Pavel On Thu, Jul 1, 2010 at 9:39 AM, Simon Slavin <slav...@bigfraud.org> wrote: > > On 1 Jul 2010, at 2:21pm, Pavel Ivanov wrote: > >>> CREATE TABLE X as SELECT... >>> syntax ought not to produce a table with an INT primary key if the prototype >>> had INTEGER. > > The problem is not with primary keys, it's with the types of the columns in > the table. The command is not > > CREATE TABLE y AS TABLE ... > > or > > CREATE TABLE y BY COPYING TABLE ... > > it's > > CREATE TABLE y AS SELECT ... > > From <http://www.sqlite.org/datatype3.html> it can be seen that there is no > such datatype as INT. So no values returned by the SELECT command can be > INT. Therefore no columns of the new table should be INT, they should be > INTEGER instead. However ... > >> sqlite> create table t (id integer primary key, t text); >> sqlite> create table t_copy as select * from t; >> sqlite> .s >> CREATE TABLE t (id integer primary key, t text); >> CREATE TABLE t_copy(id INT,t TEXT); > > This is obviously wrong. The SELECT command from TABLE t could never have > returned any INT values (because SQLite has no INT datatype). So why was > TABLE t_copy created with an INT column ? > > Simon. > _______________________________________________ > 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
