Re: Query function arg data types ONLY (no arg names)
| От | Pavel Stehule |
|---|---|
| Тема | Re: Query function arg data types ONLY (no arg names) |
| Дата | |
| Msg-id | CAFj8pRCBCxOV+cWGnZavChLTfnbE-FOcRrfkHrqU_MVBP7NcwA@mail.gmail.com обсуждение исходный текст |
| Ответ на | Query function arg data types ONLY (no arg names) (Jeremy Finzel <finzelj@gmail.com>) |
| Ответы |
Re: Query function arg data types ONLY (no arg names)
|
| Список | pgsql-general |
Hi
2018-04-28 18:52 GMT+02:00 Jeremy Finzel <finzelj@gmail.com>:
CREATE OR REPLACE FUNCTION public.foo(a integer, b integer, c text)
RETURNS text
LANGUAGE sql
AS $function$ select 'hi'; $function$
postgres=# select (proargtypes::regtype[])[0:] from pg_proc where proname = 'foo';
┌─[ RECORD 1 ]┬────────────────────────┐
│ proargtypes │ {integer,integer,text} │
└─────────────┴────────────────────────┘
It appears that neither pg_get_function_arguments nor pg_get_function_identity_arguments could be used for this. I want to get function argument data types from the catalog by ordinal position, without the argument name. For example, I want the same information for these 2 functions:foo(p_1 int, p_2 text)- {int, text}foo(int, text)- {int, text}Any suggestions as to how to use the catalogs or built-in postgres functions to query this?
CREATE OR REPLACE FUNCTION public.foo(a integer, b integer, c text)
RETURNS text
LANGUAGE sql
AS $function$ select 'hi'; $function$
postgres=# select (proargtypes::regtype[])[0:] from pg_proc where proname = 'foo';
┌─[ RECORD 1 ]┬────────────────────────┐
│ proargtypes │ {integer,integer,text} │
└─────────────┴────────────────────────┘
Regards
Pavel
Thank you!Jeremy
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