column of sum

In the from of a column that the engine keeps, the column of the counted rows whose sum is kept.

Value

The name of a number column of the table of of. It is required.

Example

spent: number({ from: sum({ of: orders, by: 'customer', column: 'total' }) })

Errors

code.T1014: no column is named, or the column that keeps the number is of another kind.

See also

word.sum, topic.types