Re: plpgsql - additional extra checks

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.

FWIW, I'd also be in favor of a NOMULTI option to INTO, but I don't see
any way to do something like that with var := blah FROM.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture and PostgreSQL
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