On the heel of this is a grammatical error: "declared type "INTEGER" includes an "PRIMARY KEY DESC" clause". It should read "includes a "primary...".
On Wed, Jul 19, 2017 at 11:03 PM, Keith Medcalf <kmedc...@dessus.com> wrote: > > AUTOINCREMENT can only be used with INTEGER PRIMAY KEY columns in a rowid > table definition to declare an alias for the rowid. Such columns must not > have the DESC ordering (the rowid is ascending). If it does, then "PRIMARY > KEY" is syntactic sugar for "UNIQUE" (ie, creating a unique index) and the > AUTOINCREMENT keyword cannot be applied. > > -----Original Message----- > From: sqlite-users [mailto:sqlite-users-boun...@mailinglists.sqlite.org] > On Behalf Of sanhua.zh > Sent: Wednesday, 19 July, 2017 20:07 > To: sqlite-users > Subject: [sqlite] A Descending Auto Increment Key > > When I call `CREATE TABLE test(i INTEGER PRIMARY KEY DESC AUTO > INCREMENT)`, SQLite comes to an error "AUTOINCREMENT is only allowed on an > INTEGER PRIMARY KEY". > > > But as the document http://www.sqlite.org/lang_createtable.htmlsays, in > the column-constraint, it shows that `PRIMARY DESC AUTOINCREMENT` is a > valid syntax. > > > Why the original SQL failed? Is that really not supported? > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > > > > _______________________________________________ > sqlite-users mailing list > sqlite-users@mailinglists.sqlite.org > http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users > _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
