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Re: patch (for 9.1) string functions

Itagaki Takahiro <itagaki.takahiro@gmail.com>

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From: Itagaki Takahiro <itagaki.takahiro@gmail.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Pavel Stehule <pavel.stehule@gmail.com>, Takahiro Itagaki <itagaki.takahiro@oss.ntt.co.jp>, Merlin Moncure <mmoncure@gmail.com>, PostgreSQL Hackers <pgsql-hackers@postgresql.org>
Date: 2010-07-12T03:32:24Z
Lists: pgsql-hackers 
2010/7/12 Robert Haas <robertmhaas@gmail.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.

-- 
Itagaki Takahiro