Python capture_db示例

示例#1

文件： test_config.py 项目： assembl/alembic

    def test_standalone_op(self):
        eng, buf = capture_db()

        env = MigrationContext.configure(eng)
        op = Operations(env)

        op.alter_column("t", "c", nullable=True)
        eq_(buf, ['ALTER TABLE t ALTER COLUMN c DROP NOT NULL'])

示例#2

    def test_standalone_op(self):
        eng, buf = capture_db()

        env = MigrationContext.configure(eng)
        op = Operations(env)

        op.alter_column("t", "c", nullable=True)
        eq_(buf, ["ALTER TABLE t ALTER COLUMN c DROP NOT NULL"])