Andrew Dunstan <and...@dunslane.net> writes:
> Updated version with more complete information (regression crash was due
> to my bad script).
I took a look through the source code to match it against this. I found
that you missed a couple of possibilities: we have <Notify /> and
<Utility-Statement /> as alternatives to <Query> just below <explain>.
Also, it looks to me like <Item> is simply being used as an element
of lists (cf ExplainPropertyList); I was mistaken to equate it with
<Expr>. I don't know XML well enough to understand if we really need
that syntactic detail, or if there's a more idiomatic way to treat
lists.
BTW, I wonder why <explain> doesn't have an init-cap like every other
node type name ...
regards, tom lane
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