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Re: cast hex to int in plpgsql - Mailing list pgsql-general

From Pavel Stehule
Subject Re: cast hex to int in plpgsql
Date
Msg-id CAFj8pRD_iWbaVed5Yw+F5BDW8BPsyHHXajfJFtkGG4c+Y+fpHg@mail.gmail.com
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In response to cast hex to int in plpgsql  ("Janek Sendrowski" <janek12@web.de>)
Responses Re: cast hex to int in plpgsql  ("Janek Sendrowski" <janek12@web.de>)
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Hello

this transformation is implemented inside parser - so you can not use a parameters there. You can use a dynamic SQL trick

http://postgres.cz/wiki/PostgreSQL_SQL_Tricks_II#Conversion_between_hex_and_dec_numbers

Regards

Pavel


2013/12/31 Janek Sendrowski <janek12@web.de>
Hi,

How can I realize the line?
v_res := cast(x'v_tmp' as bigint);

v_tmp is a text variable with hex digits.

this works:
v_res := cast(x'6de14a8b478ac' as bigint);

I think its about quoting

Janek


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