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> Uh, imagine:
>
> test=> SELECT * from pg_class
> test-> help
>
> Technically 'help' is now an alias for 'pg_class'. Are you suggesting
> supporting 'help' in this usage? People were saying they forget
> semicolons, so this 'help' usage is quite possible. We don't want to
> hear "Why doesn't 'help' work sometimes?"
I don't think we have to worry about supporting that case. We only
support it when the command begins with "help". No ambiguity with
SQL to worry about. Don't forget that ctrl-c resets a query as well, so
the above situation is not as dire as it may appear to the uninitiated
user.
> Supporting 'help' in psql seems like a very slippery slope. We are very
> tight in defining when an entry is psql and when it is SQL and this
> weakens that.
Does not seem slippery to me, seems a simple, one-time fix that replaces
a syntax error with a helpful message. As the instigator of this discussion,
I can assure you I have no plans for anything other than "help". It's simple,
standard, and points you to anything else you may need or want to do.
> What would be interesting would be if the _server_ could send back some
> message about "Use the help facility of your client application" but it
> would have to have a trailing semicolon; unlikely. :-(
Now THAT would be a bad mangling of SQL and non-SQL. We'll pretend you
didn't suggest that one. :)
- --
Greg Sabino Mullane greg@turnstep.com
PGP Key: 0x14964AC8 200801281451
http://biglumber.com/x/web?pk=2529DF6AB8F79407E94445B4BC9B906714964AC8
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