Peter Geoghegan <p...@heroku.com> writes:
> On Tue, Nov 18, 2014 at 3:29 PM, Robert Haas <robertmh...@gmail.com> wrote:
>> On Mon, Nov 17, 2014 at 3:04 PM, Peter Geoghegan <p...@heroku.com> wrote:
>>> postgres=# select qty from orderlines ;
>>> ERROR: 42703: column "qty" does not exist
>>> HINT: Perhaps you meant to reference the column "orderlines"."quantity".
>> I don't buy this example, because it would give you the same hint if
>> you told it you wanted to access a column called ant, or uay, or tit.
>> And that's clearly ridiculous. The reason why quantity looks like a
>> reasonable suggestion for qty is because it's a conventional
>> abbreviation, but an extremely high percentage of comparable cases
>> won't be.
> I maintain that omission of part of the correct spelling should be
> weighed less.
I would say that omission of the first letter should completely disqualify
suggestions based on this heuristic; but it might make sense to weight
omissions less after the first letter.
regards, tom lane
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