Re: Byte Escape Syntax - Mailing list pgsql-general

From Howard Yeh
Subject Re: Byte Escape Syntax
Date
Msg-id n2xab5a379d1004151122r61267c5ar5750e1808f7bc507@mail.gmail.com
Whole thread Raw
In response to Re: Byte Escape Syntax  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-general
On Thu, Apr 15, 2010 at 10:45 AM, Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Howard Yeh <hayeah@gmail.com> writes:
>> Is Postgres's byte escape syntax something that could be set by the client?
>
> Well, indirectly --- it's affected by the standard_conforming_strings
> setting.

is this something that could be set at runtime? Does it apply to the
whole database server?

Thanks!

>
>> I am running into a strange problem when I access postgres try two
>> different Ruby ORM's. I am guessing that one of them is doing
>> something funny to the client connections.
>
>> Looking at the Ruby C-driver, it's calling PQescapeBytea rather then
>> PQescapeByteaConn. And tracing PQescapeBytea, sometimes it escapes '\'
>> as '\\', as describe in the manual, sometimes it doesn't do that
>> escape. But it always escape the single quote character ' . All the
>> connections are using UTF-8 encoding.
>
> It would be a real good idea to fix that driver to use PQescapeByteaConn.
> There are no supported releases of Postgres that don't have that
> function.
>
>                        regards, tom lane
>

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