Re: PLSQL function calling another function

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От
Tom Lane
Тема
Re: PLSQL function calling another function
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16879.1223568487@sss.pgh.pa.us
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logging SQL statements "c k" <shreeseva.learning@gmail.com>
Re: logging SQL statements Greg Smith <gsmith@gregsmith.com>
 writes:
> I am trying to figure out how to call one PLSQL function from another, specifically how to access the return values from the callee.

> I made two test functions, A and B. A calls B.

> B returns two values:   
>                 OUT tid integer
>                 OUT msg character varying

> In caller function A, I do the following:
>                 SELECT B(1) INTO rec;       -- rec declared as a RECORD

This produces a record containing a single composite column (named "b"),
as you would see if you did the same SELECT by hand:

regression=# select b(1);
     b     
-----------
 (100,MSG)
(1 row)

You will get the results you expect if you do something like

	select * into rec from b(1);

			regards, tom lane
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