Re: Bad return type in example

On 3/8/17 04:00, Nikolaus Thiel wrote:
> * postgresql-9.6-A4.pdf, page 891
> * https://www.postgresql.org/docs/9.6/static/xfunc-sql.html#XFUNC-SQL-BASE-FUNCTIONS
>
> Dear Doc Writers,
>
> Would it not be better to change the return type of the following two
> sample functions to numeric ?

fixed

>
>
> CREATE FUNCTION tf1 (accountno integer, debit numeric) RETURNS integer AS $$
> UPDATE bank
> SET balance = balance - debit
> WHERE accountno = tf1.accountno;
> SELECT balance FROM bank WHERE accountno = tf1.accountno;
> $$ LANGUAGE SQL;

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