On Tue, Sep 10, 2013 at 02:32:56PM -0700, Kevin Grittner wrote:
> The operators and sequencing involving actual records seems to be
> different from that for row value constructors, and it appears to
> be for good reason -- so that indexing will work correctly.
> 
> My questions:
> 
> Did I miss somewhere that the docs do cover this?

I, too, don't see it.

> If not, do we want to describe it?  Why not?

+1 for documenting it.  We document <, >, <=, >=, =, and <> generically[1].
Several types that make non-obvious decisions for those operators (float8,
range types, arrays) document those decisions.  "record" hasn't done so, but
it should.

> If we don't want to document the above, would the same arguments
> apply to the operators I'm adding?  (i.e., Do we want to avoid docs
> on these, possibly on the basis of them being an internal
> implementation detail?)

Separate decision, IMO.  See progress on the more-recent thread.


[1] http://www.postgresql.org/docs/9.3/static/functions-comparison.html

-- 
Noah Misch
EnterpriseDB                                 http://www.enterprisedb.com


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