Is there a TODO here?
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Neil Conway wrote:
> Is there a way to recall the previous command in psql? Obviously, "up
> arrow" or Ctrl-P using readline and the default readline bindings is
> close, but it recalls the previous _line_ of input. That is not at all
> the same thing in the case of a multiple line command, for example.
>
> If there is no way at present, I think there should be. Using "up arrow"
> is quite annoying when dealing with multiple line SQL statements.
>
> Two issues:
>
> - how to handle slash commands? Slash commands and SQL statements can be
> intermixed:
>
> neilc=# select 1 \timing
> Timing is off.
> neilc-# ;
> ?column?
> ----------
> 1
> (1 row)
>
> So I'm not quite sure what the right behavior here is. We could always
> just ignore slash commands (the command would "recall the previous SQL
> statement") -- since few slash commands are multi-line, I don't think
> that would be too bad.
>
> - when a multiple-line command is recalled, how should it be presented
> in the psql input buffer? Perhaps we could strip newlines from recalled
> command text, so that the recalled command would fit on a single line.
> That would mean the recalled command would look somewhat different than
> how the user typed it, although of course the semantics of the query
> should be the same. Any better ideas?
>
> -Neil
>
>
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