On Tue, Mar 05, 2024 at 08:21:34AM +0100, Mats Kindahl wrote: > I realize that a more advanced system is possible to create where you can > customize the output even more, but in this case I just wanted to add a > section with some additional information related to plan execution. Also, > the code in explain.c seems to not be written with extensibility in mind, > so I did not want to make too big a change here before thinking through how > this would work.
Sure. > Just to elaborate: the intention was to allow a section to be added to > every node in the plan containing information from further down and also > allow this information to propagate upwards. We happen to have buffer > information right now, but allowing something similar to be added > dynamically by extending ExplainNode and passing down a callback to > standard_ExplainOneQuery. Or an extra hook at the end of ExplainNode() to be able to append more information at node level? Not sure if others would agree with that, though. -- Michael
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