Re: Fwd: Filter by Selection on Grid

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От Robins Tharakan
Тема Re: Fwd: Filter by Selection on Grid
Дата
Msg-id 36af4bed0802060302x70311381tdd022a25feb42998@mail.gmail.com
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Ответ на Re: Fwd: Filter by Selection on Grid  ("Dave Page" <dpage@postgresql.org>)
Ответы Re: Fwd: Filter by Selection on Grid
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> ... snip ...
Sure ! Points that I'll take into account from now on.

> One other thing I noticed that should be fixed in a new patch - if you
> sort ascending on a column, and then sort descending, it will add
> both. It should remove the ascending and replace it with the
> descending sort.

True... and one more thing that I was working on (when I responded to Guillaume the other day) was that if a person does an 'exclude by selection' on a field with a value = 10, we simply put a [WHERE] value <> 10 filter... however I think this is incomplete.

instead of
WHERE value <> 10

we should rather put

WHERE (value <> 10 OR value IS NULL)
Or

WHERE (value IS DISTINCT FROM 10)


This is because as per the UI, the user does not want value 10, but he still would want a NULL value in the records.

However, this would not apply for cases of 'Filter by selection' where the user would want only value = 10. There a WHERE value = 10 would remove rows with NULL values as well.

> But... an excellent first patch! I hope you'll stick around and come
> up with a few more similarly useful features :-)

Sure ! :)

Robins

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