Method test_append_column_existing_key

test/sql/test_metadata.py:2134–2144

(self)

            t.append_column(Column("col", String))

    def test_append_column_existing_key(self):
        t = Table("t", MetaData(), Column("col", Integer, key="c2"))

        with testing.expect_raises_message(
            exc.DuplicateColumnError,
            r"A column with key 'c2' is already present in table 't'. "
            r"Specify replace_existing=True to Table.append_column\(\) or "
            r"Table.insert_column\(\) to "
            r"replace an existing column.",
        ):
            t.append_column(Column("col", String, key="c2"))

    @testing.variation("field", ["name", "key"])
    def test_append_column_replace_existing(self, field: Variation):