On 02/11/2012 03:22 PM, Tom Lane wrote:
Andrew Dunstan<and...@dunslane.net>  writes:
But ExplainBeginOutput says:
            /* top-level structure is an array of plans */
            appendStringInfoChar(es->str, '[');
Now that's not true in the auto-explain case, which prints one query +
one plan.
What about queries that expand to multiple plans because of rules?

Oh, hmm, good point.

Since this is an exposed API, I don't think we can just change it. We
probably need a new API that does the right thing for beginning and
ending auto_explain output. (ExplainBeginLabeledOutput?)
I'm inclined to think that this is auto_explain's error, not that of
the core code, ie we should be changing the output.


It looks like it will be messy either way. ;-(



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