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Re: Clarification on item on Todo List

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Tristan Wright <twright09(at)earlham(dot)edu>
Cc: pgsql-hackers(at)postgresql(dot)org, charliep(at)cs(dot)earlham(dot)edu
Subject: Re: Clarification on item on Todo List
Date: 2011-10-31 14:22:36
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Lists: pgsql-hackers
Tristan Wright <twright09(at)earlham(dot)edu> writes:
> I am interested in this item on the list and its exact meaning: 
> (Under "Data Types")
> - Fix data types where equality comparison is not intuitive, e.g. box

> Can you elaborate on this item, I particularly fail to see what is non-intuitive about box comparisons (and I suppose other types where equalities are non-intuitive).

box_eq compares the boxes' areas.  The operator that most people would
consider to be "equality" is box_same (~=).  The reason this is on the
TODO is that nobody's figured out a way to swap the two operator names
without breaking applications.

			regards, tom lane

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