Sergey E. Koposov schrob:

> I submit the new version of my patch (against the CVS tip), correcting the 
> problem with \edit (pointed by Andreas). So now everything works fine.

I think there's a pgflush_history() call missing somewhere, since the
buffer isn't flushed on a control-c. The fresh query is appended to
the aborted one in the history:

--8<---------------cut here---------------start------------->8---
nnpg=# select              
nnpg-#   something_i_would_rather_not_submit_yet    
nnpg-# -- <control-c>
nnpg=# select 1;
(1 row)

nnpg=# -- <control-p> will now yield the following history entry
nnpg=# select
select 1;
--8<---------------cut here---------------end--------------->8---

Some more comments:

Wouldn't it be more elegant to use the facilities in libpq's
pqexpbuffer.h for the history buffer instead of passing the
buffer-length around as a separate function argument and doing custom
string operations?

The multi-line history entries are not preserved between psql
invocations. Bash does solve this by folding multi-line commands into
a single line where possible. But I have to admit, this could be sold
as another TODO item :-)


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