Re: assign count() result to a declared variable in plpgsql

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От Tom Lane
Тема Re: assign count() result to a declared variable in plpgsql
Дата
Msg-id 18786.1024935153@sss.pgh.pa.us
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Ответ на assign count() result to a declared variable in plpgsql  (Joseph Syjuco <joseph@asti.dost.gov.ph>)
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Joseph Syjuco <joseph@asti.dost.gov.ph> writes:
> i want to put my count() result in a plpgsql declared integer variable
> declare f_count_var integer;
> begin
>     select into f_count_var count(empno) from employee
> end;
> tried this one but it doesnt work

Works for me:

regression=# create function foo() returns int as '
regression'# declare f_count_var integer;
regression'# begin
regression'# select into f_count_var count(unique1) from tenk1;
regression'# return f_count_var;
regression'# end' language plpgsql;
CREATE FUNCTION
regression=# select foo(); foo
-------10000
(1 row)


What PG version are you using?
        regards, tom lane




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