CVSROOT:	/cvsroot
Module name:	pgsql-server
Changes by:	tgl(at)svr1(dot)postgresql(dot)org	04/03/08 13:20:17

Modified files:
	src/backend/optimizer/path: joinrels.c 

Log message:
	Test for whether a previous IN join restricts the current join was too
	strict, per discussion with Dennis Haney.
	Also, rearrange the preceding tests to avoid redundancy.

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