Karsten Hilbert <karsten.hilb...@gmx.net> writes:
> On Thu, Feb 04, 2016 at 12:00:45PM +0100, Vik Fearing wrote:
>>> REINDEX [ ( { VERBOSE } [, ...] ) ] { INDEX | TABLE | SCHEMA | DATABASE |
>>> SYSTEM } name
>>> Does this constitute a bug in the documentation or in the Debian version of
>>> PG ?
>> Neither. It's a little bit obscure because {} and [] mean special
>> things, but () doesn't.
> Eagle-eyed !
Seems to me the syntax BNF here is bringing the problem on itself by using
{ ... } when in fact only one alternative is available. I don't find
{ FOO | BAR } especially hard to read, but { FOO } is confusing because
you expect the {}'s to mean something and they really do not.
I'd be inclined to reduce this to
REINDEX [ ( VERBOSE ) ] { INDEX | TABLE | SCHEMA | DATABASE | SYSTEM } name
We can put back the extra decoration when and if a second option arrives.
regards, tom lane
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