Tom Lane <[EMAIL PROTECTED]> writes:
> Well, the point is that there are potentially three types of statements
> involved:
>
> 1. SELECTs
> 2. Utility statements that can return tuples (EXPLAIN, SHOW, etc)
> 3. Utility statements that can't return tuples (ALTER, etc)
I'm not sure this matters, but of course there are other non-utility
statements like UPDATE and DELETE. Does SPI return SPI_OK_SELECT for those?
Because you can definitely do "EXPLAIN ANALYZE UPDATE ..." or "EXPLAIN ANALYZE
DELETE ...".
--
greg
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TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match
