@Override
    public UpsertTarget create(ExpressionEvalContext evalContext) {
        return new CompactUpsertTarget(schema);
    }
@Test
    public void test_create() {
        CompactUpsertTargetDescriptor descriptor =
                new CompactUpsertTargetDescriptor(new SchemaWriter("test").build());

        // when
        UpsertTarget target = descriptor.create(mock());

        // then
        assertThat(target).isInstanceOf(CompactUpsertTarget.class);
    }