Re: plpgsql - additional extra checks

> On 1/13/17 6:55 AM, Marko Tiikkaja wrote:
>> On Fri, Jan 13, 2017 at 2:46 AM, Jim Nasby <Jim(dot)Nasby(at)bluetreble(dot)com
>> <mailto:Jim(dot)Nasby(at)bluetreble(dot)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.

This submission has been moved to CF 2017-07.

--
-David
david(at)pgmasters(dot)net