Re: [HACKERS] 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.