From: | Thom Brown <thom(at)linux(dot)com> |
---|---|
To: | Michael <postgresql(at)encambio(dot)com> |
Cc: | Postgresql <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Displaying text appears as hex data |
Date: | 2011-02-08 13:10:38 |
Message-ID: | AANLkTimps+cCj1QuCK_0n6XyFOq5U8VipdcDjddU1bKz@mail.gmail.com |
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Lists: | pgsql-general |
On 8 February 2011 12:45, Michael <postgresql(at)encambio(dot)com> wrote:
>
> Hello Thom,
>
> I sent this accidentally to you directly, here's a copy for the
> list as well.
>
> On Tues., Feb 08, 2011, Thom Brown wrote:
>>On 8 February 2011 10:39, Michael wrote:
>>> opensips=> select * from sip_trace;
>>> id | time_stamp | callid | traced_user | msg | method | ...
>>> 1234 | 2011-02-03 | ... | | \x494e56495445207369703a...
>>>
>>> Others have said that when they use MySQL, the exact SQL command
>>> as above results in ASCII text rather than hexadecimal, and this
>>> is my goal as well.
>>>
>>ASCII text? You mean you wish to translate the binary into ASCII?
>>You can use this:
>>
>>SELECT id, time_stamp, callid, traced_user, convert_from(msg,
>>'SQL_ASCII'), method FROM sip_trace;
>>
>>The reason why it doesn't automatically do this is because since it's
>>binary data, it's up to you to define what its content format is.
>>
> That's understandable and PostgreSQL is doing the right thing, but...
>
> opensips=> SELECT id, time_stamp, callid, traced_user,
> convert_from(msg, 'SQL_ASCII'), method FROM sip_trace;
> ERROR: function convert_from(text, unknown) does not exist
> LINE 1: SELECT id, time_stamp, callid, traced_user, convert_from(msg...
> ^
>
> The arrow in the last line indicates that 'convert_from' is not
> correctly parsed.
My understanding was that your msg column was of type bytea. Is this
not the case? Or is it a different column which needs converting?
--
Thom Brown
Twitter: @darkixion
IRC (freenode): dark_ixion
Registered Linux user: #516935
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