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.
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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.
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