Tom Lane wrote:

> Also, if we're going to change this message at all, I'm inclined to
> rewrite it completely, because it doesn't really follow the style
> guidelines.  How about "trigger's return list must have even number of
> elements"?

I agree a full rewrite is sensible, but that particular wording looks
slightly odd to me.  I would either have added an "an", or pluralized
the subject, so either

 "trigger's return list must have an even number of elements"
 "trigger's return lists must have even number of elements"

However I notice that the "must have even number" wording (and others
where "must have" is not followed by an indefinite article) is already
used in other places, so maybe it's just an English quirk.

Álvaro Herrera      
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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