Re: auto_explain produces invalid JSON

Andrew Dunstan <andrew(at)dunslane(dot)net> writes:
> But ExplainBeginOutput says:

> case EXPLAIN_FORMAT_JSON:
> /* 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?

> 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.

regards, tom lane