Re: explain root element for auto-explain

Are we going to publish an XML DTD for EXPLAIN, or have we already?

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Andrew Dunstan wrote:
>
> The attached tiny patch sets the <explain> root element for auto-explain
> XML output, so it looks something like this:
>
> <explain xmlns="http://www.postgresql.org/2009/explain">
> <Plan>
> <Node-Type>Result</Node-Type>
> <Startup-Cost>0.00</Startup-Cost>
> <Total-Cost>0.01</Total-Cost>
> <Plan-Rows>1</Plan-Rows>
> <Plan-Width>0</Plan-Width>
> </Plan>
> </explain>
>
> The JSON output looks like this:
>
> [
> "Plan": {
> "Node Type": "Result",
> "Startup Cost": 0.00,
> "Total Cost": 0.01,
> "Plan Rows": 1,
> "Plan Width": 0
> }
> ]
>
> This is worth doing in itself in the XML case for reasons previously
> explained, but it also makes it relatively easy to add a Query-Text node
> or some such to the structured output, which is very much worth having,
> and would be my next proposed step.
>
> cheers
>
> andrew

>
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--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

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