Parameterized.
IE (very simplified)
CREATE OR REPLACE FUNCTION my_function(IN param1 BIGINT, IN param2
INTEGER)
RETURNS my_type
SECURITY DEFINER
AS
$$
/* my_type = (a,b,c) */
Select a,b,c
FROM my_table
WHERE indexed_column = $1
AND partition_constraint_column = $2;
$$
LANGUAGE SQL;
Matthew A. Peters
Sr. Software Engineer, Haydrian Corp.
[EMAIL PROTECTED]
(mobile) 425-941-6566
Haydrian Corp.
-----Original Message-----
From: Tom Lane [mailto:[EMAIL PROTECTED]
Sent: Thursday, October 26, 2006 9:15 AM
To: Matthew Peters
Cc: pgsql-performance@postgresql.org
Subject: Re: [PERFORM] Stored procedure slower than sql?
Importance: High
"Matthew Peters" <[EMAIL PROTECTED]> writes:
> How can a stored procedure containing a single query not implement the
> same execution plan (assumption based on the dramatic performance
> difference) that an identical ad-hoc query generates?
Parameterized vs non parameterized query?
regards, tom lane
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