On Fri, 2005-11-18 at 00:15 +0000, Simon Riggs wrote:
> Minor comment update.

Applied with adjustments.

BTW, I noticed the following comment a few lines down in execMain.c
(circa line 1564):

 * note: we can't run UPDATE queries with transactions
 * off because UPDATEs are actually INSERTs and our
 * scan will mistakenly loop forever, updating the tuple
 * it just inserted..   This should be fixed but until it
 * is, we don't want to get stuck in an infinite loop
 * which corrupts your database..

This seems obsolete; I'll remove it shortly barring any objections.


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TIP 9: In versions below 8.0, the planner will ignore your desire to
       choose an index scan if your joining column's datatypes do not

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