Tom Lane wrote:
> Andrew Gould <andrewlylego...@gmail.com> writes:
>> To the list: Does pg_dump escape characters that are the same as the
>> delimiter?
>
> Yes. The OP has not actually explained why he needs to pick a
> nondefault delimiter, unless maybe it is that he wants to feed the
> dump to some program that is too dumb to deal with escaping.
>
> regards, tom lane
>
Which makes me wonder, does copy accept UTF-8 input? Is it possibile
to use some unicode character which is unlikely to appear in the data
set as delimiter? Something like U+FFFC.
Here I'm using U+25CF for it's much more likely you can see it
(it's a black circle).
$ python -c 'print u";".join("ABCD").encode("utf8")' > 1.txt
$ cat 1.txt
A;B;C;D
$ python -c 'print u"\u25cf".join("ABCD").encode("utf8")' > 2.txt
$ cat 2.txt
A●B●C●D
$ psql -c "\d test"
Table "public.test"
Column | Type | Modifiers
--------+------+-----------
a | text |
b | text |
c | text |
d | text |
$ psql -c "\copy test from '1.txt' delimiter ;"
$ psql -c "\copy test from '2.txt' delimiter ●"
ERROR: COPY delimiter must be a single character
\copy: ERROR: COPY delimiter must be a single character
It doesn't seem to work, but I need to stress that I'm using
$ psql --version
psql (PostgreSQL) 8.2.9
.TM.
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