def test_multireader_not():
schema = fields.Schema(id=fields.STORED, f=fields.TEXT)
ix = RamStorage().create_index(schema)
w = ix.writer()
w.add_document(id=0, f=u("alfa bravo chralie"))
w.add_document(id=1, f=u("bravo chralie delta"))
w.add_document(id=2, f=u("charlie delta echo"))
w.add_document(id=3, f=u("delta echo foxtrot"))
w.add_document(id=4, f=u("echo foxtrot golf"))
w.commit()
with ix.searcher() as s:
q = query.And([query.Term("f", "delta"),
query.Not(query.Term("f", "delta"))])
r = s.search(q)
assert_equal(len(r), 0)
ix = RamStorage().create_index(schema)
w = ix.writer()
w.add_document(id=5, f=u("alfa bravo chralie"))
w.add_document(id=6, f=u("bravo chralie delta"))
w.commit(merge=False)
w = ix.writer()
w.add_document(id=7, f=u("charlie delta echo"))
w.add_document(id=8, f=u("delta echo foxtrot"))
w.commit(merge=False)
w = ix.writer()
w.add_document(id=9, f=u("echo foxtrot golf"))
w.add_document(id=10, f=u("foxtrot golf delta"))
w.commit(merge=False)
assert len(ix._segments()) > 1
with ix.searcher() as s:
q = query.And([query.Term("f", "delta"),
query.Not(query.Term("f", "delta"))])
r = s.search(q)
assert_equal(len(r), 0)
def test_multireader_not():
schema = fields.Schema(id=fields.STORED, f=fields.TEXT)
ix = RamStorage().create_index(schema)
w = ix.writer()
w.add_document(id=0, f=u("alfa bravo chralie"))
w.add_document(id=1, f=u("bravo chralie delta"))
w.add_document(id=2, f=u("charlie delta echo"))
w.add_document(id=3, f=u("delta echo foxtrot"))
w.add_document(id=4, f=u("echo foxtrot golf"))
w.commit()
with ix.searcher() as s:
q = And([Term("f", "delta"), Not(Term("f", "delta"))])
r = s.search(q)
assert_equal(len(r), 0)
ix = RamStorage().create_index(schema)
w = ix.writer()
w.add_document(id=5, f=u("alfa bravo chralie"))
w.add_document(id=6, f=u("bravo chralie delta"))
w.commit(merge=False)
w = ix.writer()
w.add_document(id=7, f=u("charlie delta echo"))
w.add_document(id=8, f=u("delta echo foxtrot"))
w.commit(merge=False)
w = ix.writer()
w.add_document(id=9, f=u("echo foxtrot golf"))
w.add_document(id=10, f=u("foxtrot golf delta"))
w.commit(merge=False)
assert len(ix._segments()) > 1
with ix.searcher() as s:
q = And([Term("f", "delta"), Not(Term("f", "delta"))])
r = s.search(q)
assert_equal(len(r), 0)
