Log Message:
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Added support for INTERSECT and EXCEPT. Fixed LIMIT when used in joins.
Modified Files:
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Npgsql2/src/Npgsql/SqlGenerators:
SqlBaseGenerator.cs (r1.6 -> r1.7)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/SqlGenerators/SqlBaseGenerator.cs.diff?r1=1.6&r2=1.7)