Rajesh Kumar Mallah <[EMAIL PROTECTED]> writes:
> Below are the plans for two cases. I dont know how to read them accurately
> can u please explain them.

Well, they're the same plan, as far as they go.  I suppose that the
runtime difference must come from choosing a different plan inside the
most_recent_edition() function, which we cannot see in the explain
output.  As before, turning on logging of verbose query plans is the
only way to look at what the function is doing.

> Also can anyone point to some documentation
> oriented towards understanding explain analyze output?


                        regards, tom lane

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