On 6 Oct 2017, at 9:12am, Rowan Worth <row...@dug.com> wrote:
> On 6 October 2017 at 15:42, <no...@null.net> wrote: > >> On Fri Oct 06, 2017 at 09:28:08AM +0200, Clemens Ladisch wrote: >>> >>> For boolean values, "a XOR b" = "a <> b". >> >> Is the <> operator documented somewhere? I can't find it in either of >> these places: > > <> is SQL for "not equal to" (shout out to all the BASIC fans). It’s > documented here: > https://sqlite.org/lang_expr.html#binaryops That page says that '<>' means 'non-equals'. This is not the same as the binary operation 'XOR' since 'non-equals' can yield only two values: true and false. Experimentation shows … sqlite> SELECT 11 = 19; 0 sqlite> SELECT 11 <> 19; 1 sqlite> SELECT 11 | 19; 27 sqlite> SELECT 11 & 19; 3 … that even for binary values the documentation is correct and that '<>' does not mean 'XOR'. However, '&' and '|' and '<<' and '>>' do not seem to be defined, either there or in <https://www.sqlite.org/datatype3.html#operators> I can’t find anywhere in SQLite’s own documentation that defines them. Perhaps this should be remedied. Simon. _______________________________________________ sqlite-users mailing list sqlite-users@mailinglists.sqlite.org http://mailinglists.sqlite.org/cgi-bin/mailman/listinfo/sqlite-users
