From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
---|---|
To: | YUriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru> |
Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: Some questions about the array. |
Date: | 2015-11-09 13:03:27 |
Message-ID: | CAFj8pRDOJE2GF85P=TbXUyGCQhUSQJzVPB60Rrt20Pfa00HE=Q@mail.gmail.com |
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Lists: | pgsql-hackers |
2015-11-09 13:50 GMT+01:00 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
>
>
> 2015-11-09 13:32 GMT+01:00 YUriy Zhuravlev <u(dot)zhuravlev(at)postgrespro(dot)ru>:
>
>> On Monday 09 November 2015 13:29:30 you wrote:
>> > It is ugly, but you can wrap it to function - so still I don't see any
>> > reason, why it is necessary
>> For example, I'm writing a lot of queries by hands...
>> This functionality is available in many languages and it's just
>> convenient. Of
>> course it is possible and without it, but why?
>>
>
> New symbols increase a complexity of our code and our documentation.
>
> If some functionality can be implemented via functions without performance
> impacts, we should not to create new operators or syntax - mainly for
> corner use cases.
>
I can understand, so current system of accessing array data has some
disadvantage - the behave was designed twenty years ago, when the arrays
didn't support NULLs, but I am not sure, if introduction secondary
accessing system helps. Probably not.
Regards
Pavel
>
> Regards
>
> Pavel
>
>
>
>>
>> Thanks.
>> --
>> YUriy Zhuravlev
>> Postgres Professional: http://www.postgrespro.com
>> The Russian Postgres Company
>>
>>
>> --
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>
>
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