Log Message:-----------Fixes for SQL generation bugs reported in #1010863 and #1010860
Modified Files:-------------- Npgsql2/src/Npgsql/SqlGenerators: SqlBaseGenerator.cs (r1.28 -> r1.29) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/SqlGenerators/SqlBaseGenerator.cs?r1=1.28&r2=1.29) VisitedExpression.cs (r1.17 -> r1.18) (http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/npgsql/Npgsql2/src/Npgsql/SqlGenerators/VisitedExpression.cs?r1=1.17&r2=1.18)