On Fri, Jan 13, 2017 at 2:46 AM, Jim Nasby <jim.na...@bluetreble.com> wrote:
> On 1/11/17 5:54 AM, Pavel Stehule wrote: > >> + <term><varname>too_many_rows</varname></term> >> + <listitem> >> + <para> >> + When result is assigned to a variable by <literal>INTO</literal> >> clause, >> + checks if query returns more than one row. In this case the >> assignment >> + is not deterministic usually - and it can be signal some issues in >> design. >> > > Shouldn't this also apply to > > var := blah FROM some_table WHERE ...; > > ? > > AIUI that's one of the beefs the plpgsql2 project has. > No, not at all. That syntax is undocumented and only works because PL/PgSQL is a hack internally. We don't use it, and frankly I don't think anyone should. .m
