here is updated version of gset patch.
* merge Shigeru's doc patch
* rename psql regression test from "psql" to "psql_cmd"
2012/9/27 Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>:
> 2012/9/21 Shigeru HANADA <shigeru(dot)hanada(at)gmail(dot)com>:
>> Hi Pavel,
>> (2012/09/21 2:01), Pavel Stehule wrote:
>>>> - Is it intentional that \gset can set special variables such as
>>>> AUTOCOMMIT and HOST? I don't see any downside for this behavior,
>>>> because \set also can do that, but it is not documented nor tested at all.
>>> I use a same "SetVariable" function, so a behave should be same
>> It seems reasonable.
>>>> - Adding some description of \gset command, especially about limitation
>>>> of variable list, seems necessary.
>>>> - In addition to the meta-command section, "Advanced features" section
>>>> mentions how to set psql's variables, so we would need some mention
>>>> there too.
>>>> - The term "target list" might not be familiar to users, since it
>>>> appears in only sections mentioning PG internal relatively. I think
>>>> that the feature described in the section "Retrieving Query Results" in
>>>> ECPG document is similar to this feature.
>>> I invite any proposals about enhancing documentation. Personally I am
>>> a PostgreSQL developer, so I don't known any different term other than
>>> "target list" - but any user friendly description is welcome.
>> How about to say "stores the query's result output into variable"?
>> Please see attached file for my proposal. I also mentioned about 1-row
>> limit and omit of variable.
> should be
>>>> The code follows our coding conventions. Here are comments for coding.
>>>> - Some typo found in comments, please see attached patch.
>>>> - There is a code path which doesn't print error message even if libpq
>>>> reported error (PGRES_BAD_RESPONSE, PGRES_NONFATAL_ERROR,
>>>> PGRES_FATAL_ERROR) in StoreQueryResult. Is this intentional? FYI, ecpg
>>>> prints "bad response" message for those errors.
>>> yes - it is question. I use same pattern like PrintQueryResult, but
>>> "bad response" message should be used.
>>> I am sending updated patch
>> It seems ok.
>> BTW, as far as I see, no psql backslash command including \setenv (it
>> was added in 9.2) has regression test in core (I mean src/test/regress).
>> Is there any convention about this issue? If psql backslash commands
>> (or any psql feature else) don't need regression test, we can remove
>> # Of course we need to test new feature by hand.
> It is question for Tom or David - only server side functionalities has
> regress tests. But result of some backslash command is verified in
> other regress tests. I would to see some regression tests for this
>> Anyway, IMO the name psql impresses larger area than the patch
>> implements. How about to rename psql to psql_cmd or backslash_cmd than
>> psql as regression test name?
> I have no idea - psql_cmd is good name
>> Shigeru HANADA
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