Jochem van Dieten <[EMAIL PROTECTED]> writes:
> Tom Lane wrote:
> [ light dawns ] You've created a table named "text", haven't you?
> Yes, there is such a table. But even if I put the schema with
> that table in the search_path I can't reproduce the error from psql.
You can if you duplicate pg_dump's search path:
regression=# create schema s1
regression-# create table text (f1 int);
CREATE SCHEMA
regression=# set search_path = s1, pg_catalog;
SET
regression=# select null::text;
ERROR: Cannot cast type "unknown" to text
regression=#
Note that the above is using a 7.3 server --- more recent servers will
take this, not because they parse the "text" type reference differently,
but because they don't have a problem with null composite values.
> I prefer the interpretation "My customer needs to change his
> schema if he wants backups" :)
> I will test the patch, but it will take a few days because I
> haven't got the toolchain set up.
A short-term workaround is to use 7.3 or 7.4 pg_dump --- this pg_dump
error was introduced in 8.0.
regards, tom lane
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