Dimitri Fontaine 04ddf940d9 Left pad COPY octal chars with 0, fix #275. ...

The COPY TEXT format accepts non printable characters with an escaped
sequence wherin pgloader can pass in the octal number for the character
in its encoding. When doing that with small numbers like \6 and the
non-printable character is then followed by other numbers, then it
becomes e.g. \646 which might not be part of the target encoding...

To fix, always left pad the character octal number with zeroes, so that
we now send in \00646 which COPY knows how to read: the char at \006
then 4 then 6.

Also copy the test case over to pgloader and run it in the test suite.

2015-08-20 18:17:18 +02:00

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