Marko Tiikkaja <marko.tiikk...@cs.helsinki.fi> writes:
> On 2010-11-07 6:23 PM +0200, Tom Lane wrote:
>> Um ... why? I thought the whole point of breaking out ModifyTable
>> as a separate node type was so that a query involving writeable CTEs
>> would still be just one plan tree.
> We tried that for 9.0 and it didn't work. Almost all work for 9.1 has
> been spent on creating an infrastructure for running the executor
> separately for every WITH list element when wCTEs are present.
I guess I shoulda been paying closer attention :-(. That really, really
seems like fundamentally the wrong direction. What was it that was
unfixable about the other way? If it is unfixable, should we revert
ModifyTable?
regards, tom lane
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