Re: [exim-dev] quote_pgsql and PostgreSQL 9.1.2

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Author: Adam D. Barratt
To: Axel Rau
CC: exim-dev
Subject: Re: [exim-dev] quote_pgsql and PostgreSQL 9.1.2
On Fri, 2012-01-06 at 22:39 +0100, Axel Rau wrote:
> "The quote_pgsql expansion operator, in addition, escapes the percent
> and underscore characters."
> Why do we take percent and underscore special?

They're SQL wildcard characters - see for instance.

> Is this a bug?

No, it's a necessary feature.