Re: backup and document views and user functions

hello

2010/8/30 Peter Steinheuser <psteinheuser@myyearbook.com>:
> You'll probably have to write something (a function) that pulls the data out
> of pg_catalog.
> You can get a leg up on that by connecting to psql using -E, which echoes
> hidden queries.
> If you do a \df+   on a function, you'll see the query PG uses.
>

there is much more easy way to get a function source code

SELECT pg_catalog.pg_get_functiondef(oid)

Regards

Pavel Stehule

> ex.
> production=# \df+ myschema.*
>
> ********* QUERY **********
> SELECT n.nspname as "Schema",
>   p.proname as "Name",
>   pg_catalog.pg_get_function_result(p.oid) as "Result data type",
>   pg_catalog.pg_get_function_arguments(p.oid) as "Argument data types",
>  CASE
>   WHEN p.proisagg THEN 'agg'
>   WHEN p.proiswindow THEN 'window'
>   WHEN p.prorettype = 'pg_catalog.trigger'::pg_catalog.regtype THEN
> 'trigger'
>   ELSE 'normal'
> END as "Type",
>  CASE
>   WHEN p.provolatile = 'i' THEN 'immutable'
>   WHEN p.provolatile = 's' THEN 'stable'
>   WHEN p.provolatile = 'v' THEN 'volatile'
> END as "Volatility",
>   pg_catalog.pg_get_userbyid(p.proowner) as "Owner",
>   l.lanname as "Language",
>   p.prosrc as "Source code",
>   pg_catalog.obj_description(p.oid, 'pg_proc') as "Description"
> FROM pg_catalog.pg_proc p
>      LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace
>      LEFT JOIN pg_catalog.pg_language l ON l.oid = p.prolang
> WHERE n.nspname ~ '^(myschema)$'
> ORDER BY 1, 2, 4;
> **************************
>
>
>
> On Mon, Aug 30, 2010 at 2:21 PM, David Harel <hareldvd@gmail.com> wrote:
>>
>> Hi,
>>
>> I am looking for an easy way to backup views and functions. I want to
>> store them in our version control system.
>>
>> Using pgAdmin I can access them one at a time. I am looking for a better
>> reporting mechanism. psql shell command for such report will be just fine.
>>
>> Sorry for the lame question. I didn't find any clues on the web
>> .(typically, I fail to phrase the right keywords)
>>
>> --
>> Thanks.
>>
>> David Harel,
>>
>> ==================================
>>
>> Home office +972 77 7657645
>> Cellular:   +972 54 4534502
>> Snail Mail: Amuka
>>             D.N Merom Hagalil
>>             13802
>>             Israel
>> Email:      hareldvd@ergolight-sw.com
>>
>
>
>
> --
> Peter Steinheuser
> psteinheuser@myyearbook.com
>