Issue #225: Inventory queries in Query document don't work (blais/beancount)

[Martin Michlmayr]

New issue 225: Inventory queries in Query document don't work
https://bitbucket.org/blais/beancount/issues/225/inventory-queries-in-query-document-dont

Martin Michlmayr:

The Query Language document on Google docs lists the following two commands which don't work.

> beancount> SELECT account, sum(position);
> ERROR: Aggregate query without a GROUP-BY should have only aggregates.

and

> beancount> SELECT account, sum(position) FLATTEN;
> ERROR: Aggregate query without a GROUP-BY should have only aggregates.