This is my first patch for PostgreSQL against the 7.5devel cvs (please advise if this is the wrong place to post patches). This patch simply enables the \xDD (or \XDD) hexadecimal import in the copy command (im starting with the simple stuff first). I did notice that there may be a need to issue an error if an invalid octal or hex character is found following a \ or \x. No errors are currently flagged by the octal (or this hex) import.
I think this belongs into the string literal parser (at least in addition to COPY).
That's what always happens when I start working on something - someone points out something that makes it 100 times harder :P
Chris
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