On 16/07/10 03:26, Boxuan Zhai wrote:
> PS: Heikki asked me about what the "EXPLAIN MERGE ..." command will do.
> Well, I have not test it, but it may through an error or just explain the
> top plan, since I put the action plans in a new field, which cannot be
> recognized by old functions.
I meant what EXPLAIN MERGE output will look like after the project is
finished, not what it will do at this stage. I was trying to get a
picture of how you're thinking to implement the executor, what nodes
there is in a MERGE plan.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com