[英]PostgreSQL: Accessing data of RECORD type in a plpgsql function
This is my first function: 这是我的第一个功能:
CREATE FUNCTION func1(INOUT a integer,OUT b integer, OUT c float, OUT d integer,OUT e decimal)
AS $BODY$
DECLARE
BEGIN
.
.
.
END
$BODY$
LANGUAGE plpgsql VOLATILE
Output is: 输出为:
$ SELECT * FROM func1(242);
$ SELECT * FROM func1(242);
a |
一个| b |
b | c |
c | d |
d | e
Ë
--+--+--+--+----+-+-+-+ ---
242 |
242 | 5 |
5 | 7.5 |
7.5 | 15 |
15 | 1.2208
1.2208
And this is second function: 这是第二个功能:
CREATE FUNCTION func2()
AS $BODY$
DECLARE
d RECORD;
BEGIN
EXECUTE 'SELECT * FROM func1(242)' INTO d;
raise notice 'arr: %', d;. -– output is-> NOTICE: arr: (242,5,7.5,15,1.2208)
--HERE I want access to a,b,....
.
.
END
$BODY$
LANGUAGE plpgsql VOLATILE
How I can access separately to a,b,c,d and e variables inside func2. 我如何才能分别访问func2中的a,b,c,d和e变量。
Here's one solution: 这是一种解决方案:
FOR d in EXECUTE 'SELECT * FROM func1(242)'
LOOP
--here you can access them, or assign them to a local variable
raise notice 'a:%, b:%, c:%, d:%, e:%', d.a, d.b, d.c, d.d, d.d, d.e;
END LOOP;
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