Method test02_lessPrecise

tables/tests/test_tables.py:6841–6865

Query with less precise storage.

(self)

        self.assertRaises(StopIteration, next, it2)

    def test02_lessPrecise(self):
        """Query with less precise storage."""

        class DstTblDesc(tb.IsDescription):
            id = tb.IntCol()
            v1 = tb.IntCol()  # int, not float
            v2 = tb.StringCol(itemsize=8)

        tbl1 = self.h5file.root.test
        tbl2 = self.h5file.create_table("/", "test2", DstTblDesc)

        tbl1.append_where(tbl2, "id > 1")

        # Rows resulting from the query are those in the new table.
        it2 = iter(tbl2)
        for r1 in tbl1.where("id > 1"):
            r2 = next(it2)
            self.assertTrue(
                r1["id"] == r2["id"]
                and int(r1["v1"]) == r2["v1"]
                and r1["v2"] == r2["v2"]
            )

        # There are no more rows.
        self.assertRaises(StopIteration, next, it2)

    def test03_incompatible(self):
        """Query with incompatible storage."""