Re: patch (for 9.1) string functions

From: Itagaki Takahiro <itagaki(dot)takahiro(at)gmail(dot)com>
To: Robert Haas <robertmhaas(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 03:32:24
Message-ID: AANLkTika4JCT659Z6eqHZ88w0GbBxO5rND1YWIUKtZdt@mail.gmail.com
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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.

--
Itagaki Takahiro

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