Tom Lane bdfbfde1b1 IN clauses appearing at top level of WHERE can now be handled as joins. ... There are two implementation techniques: the executor understands a new JOIN_IN jointype, which emits at most one matching row per left-hand row, or the result of the IN's sub-select can be fed through a DISTINCT filter and then joined as an ordinary relation. Along the way, some minor code cleanup in the optimizer; notably, break out most of the jointree-rearrangement preprocessing in planner.c and put it in a new file prep/prepjointree.c.		2003-01-20 18:55:07 +00:00
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FAQ	Update Russian FAQ. Update all FAQ's for 7.3.X branch.	2002-12-18 20:38:48 +00:00
graphics	These aren't used anymore.	2000-10-08 13:25:11 +00:00
sgml	IN clauses appearing at top level of WHERE can now be handled as joins.	2003-01-20 18:55:07 +00:00
Makefile	Make install and clean targets behave more normally.	2002-11-30 00:22:39 +00:00