On Thursday 21 May 2009 3:26:22 pm Timmy wrote: > > Yes, most of your guess is correct. > I'm using postgresql 8.3.x and ms windows 2000. > The compressed string is saved to the table in binary > format using the psycopg. I had set the table field to bytea data type. > I want to use the plpythonu to decompress the stored > string. > Althout I imported the zlib module, it still failed. > I can successfully get back the decompressed string if > I use the psycopg either inside or outside the plpythonu. > But if without psycopg, plpythonu itself can not decompress the string. > I can use the psycopg inside the plpythonu but I must need to write > security information (including user name,password,server ip,port > number,...) to the connection string inside plpythonu too. This is a > problem. > > Thanks! Now you are getting outside my experience level. As a guess though I would say that psycopg is taking care of escaping the data on the way out, whereas your plpythonu function is not. See www.postgresql.org/docs/8.3/interactive/datatype-binary.html for more information. -- Adrian Klaver aklaver@xxxxxxxxxxx -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general
