Re: function parameters : bug?

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От Richard Huxton
Тема Re: function parameters : bug?
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Msg-id 42D61ED7.1040707@archonet.com
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Ответ на function parameters : bug?  (Richard Hayward <richard@tortoise.demon.co.uk>)
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Richard Hayward wrote:
> pg 8.0.3
> This behaviour seems odd to me:
> 
> CREATE TABLE mytable (
>   inta INTEGER
> );
> 
> CREATE OR REPLACE FUNCTION myfunction (inta integer) RETURNS integer 
> AS 
> $body$ 
> begin
>   insert into mytable(inta) values (inta);

> ERROR:  syntax error at or near "$1" at character 22
> QUERY:  insert into myTable( $1 ) values ( $2 )
> CONTEXT:  PL/pgSQL function "myfunction" line 2 at SQL statement
> 
> The problem is with the line in my myfunction:
>   insert into mytable(inta) values (inta);
> 
> The server doesn't like the field name being the same as the name of
> the function parameter. I don't see why, as I can see no opportunity
> for ambiguity.

So what would this do?  SELECT inta+1 FROM mytable

Agreed, it's tricky, but without some variable marker (e.g. $my_param) 
or removing inline SQL from the language, I'm not sure there's much to do.

--  Richard Huxton  Archonet Ltd


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