Fixed Oracle backend failure in test suite for modeltests.queries.  Item.objects.all()[0:0] was optimizing out the limits clause and returning all rows.
Fixed Oracle backend failure in test suite for modeltests.queries.  Item.objects.all()[0:0] was optimizing out the limits clause and returning all rows.

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extra : convert_revision : svn%3Abcc190cf-cafb-0310-a4f2-bffc1f526a37/django/trunk%408069

Belgabor/django,Belgabor/django,Belgabor/django