| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> |
| Cc: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, Takahiro Itagaki <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp>, Merlin Moncure <mmoncure(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: patch (for 9.1) string functions |
| Date: | 2010-07-12 12:59:33 |
| Message-ID: | 2FC90519-3A14-4F22-B0F8-8087B9850EA6@gmail.com |
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| Lists: | pgsql-hackers |
On Jul 11, 2010, at 10:32 PM, Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com> wrote:
> 2010/7/12 Robert Haas <robertmhaas(at)gmail(dot)com>:
>> I'm all in favor of putting such things in core as are supported by
>> multiple competing products, but is that really true for all of these?
>
> - concat() : MySQL, Oracle, DB2
> - concat_ws() : MySQL,
> - left(), right() : MySQL, SQL Server, DB2
> - reverse() : MySQL, SQL Server, Oracle (as utl_raw.reverse)
>
> concat_sql(), format(), and sprintf() will be our unique features.
I think concat, left, right, and reverse should go into core, and perhaps format also. The rest sound like contrib material to me.
...Robert
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