Re: Explain Nodes

On 04/28/2011 06:07 PM, David E. Wheeler wrote:
> On Apr 28, 2011, at 3:02 PM, Peter Geoghegan wrote:
>
>> The code for all nodes is in src/backend/executor.
>>
>> I think that you will find it useful to look at the big switch
>> statements in ExecInitNode() and friends in execProcnode.c .
> Yep, same as what I found in src/backend/commands/explain.c. Thanks. I'll keep using what's in
src/backend/commands/explain.cbecause I'm using the XML format in explanation and so the nodes have human-readable
names.
>
>

It's been pointed out before that plugins (like FDWs) can invent their 
own explain nodes, so we'll never have a canonical list of such nodes.

cheers

andrew