adrian.vondendrie...@credativ.de writes:
> [ recent pg_dump fails against an 8.4 server if "old" is used as a name ]
Yeah. The reason for this is that "old" was considered a reserved word
in 8.4 and before, but since 9.0 it is not reserved (indeed it isn't a
keyword at all anymore), so 9.0 and later pg_dump don't think they need
to quote it in commands.
De-reserving a keyword happens sufficiently rarely that it doesn't
really seem worth teaching pg_dump about such cases. There is a
workaround, which is to use the --quote-all-identifiers switch when
dumping from a server with an incompatible idea of the set of reserved
keywords.
For the archives' sake, it might be worth noting that
--quote-all-identifiers was added in 9.1, which means that 9.0 pg_dump
is vulnerable to this problem and has no workaround. That's a bit
annoying, but I rather doubt we'll take the trouble to back-port
--quote-all-identifiers into 9.0 at this point.
regards, tom lane
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