Re: Performance of pl/pgsql functions? - Mailing list pgsql-general

2012/9/14 John R Pierce <pierce@hogranch.com>:
> On 09/13/12 10:17 PM, Wells Oliver wrote:
>>
>> Do these tend to perform well? I have some simple formulas in functions
>> like so:
>
>
> if you code your function in SQL instead of plpgsql, and mark it immutable,
> it can be inlined by the planner.

you don't need to mark SQL functions - it is not black box for
optimizer and usually better is don't mark SQL functions.

Regards

Pavel

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> john r pierce                            N 37, W 122
> santa cruz ca                         mid-left coast
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