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Re: Seeking Clarification on Function Definitions in PostgreSQL Extensions - Mailing list pgsql-general

From Ayush Vatsa
Subject Re: Seeking Clarification on Function Definitions in PostgreSQL Extensions
Date
Msg-id CACX+KaMore7Q-5QUQnTT5R0gKmsa_4jzqn+cmMaSwv6f2KWXCQ@mail.gmail.com
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In response to Re: Seeking Clarification on Function Definitions in PostgreSQL Extensions  ("David G. Johnston" <david.g.johnston@gmail.com>)
Responses Re: Seeking Clarification on Function Definitions in PostgreSQL Extensions
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Hi David,
Thanks for clarification
> I prefer TABLE.  Using setof is more useful when the returned type is predefined
But in the table also isn't the returned type predefined? Example:
CREATE FUNCTION fun1(integer)
RETURNS TABLE(
        col1 integer,
        col2 text
)
AS 'MODULE_PATHNAME', 'fun1'
LANGUAGE C;
We know the returned type will have two columns with type -  integer and text. Am I correct?

> Or a true record where the caller has to specify the shape.
Sorry but didn't get this shape part?

Thanks
Ayush Vatsa

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