Query.columns
| Property Description | An array of result columns (query.Column objects) returned from the query. The query.Column object is the equivalent of the search.Column object in the N/search Module. The query.Column object describes a field type (column) that is returned from the query results. To create columns: 
 | 
| Type | |
| Module | |
| Parent Object | |
| Sibling Object Members | |
| Since | 2018.1 | 
Syntax
The following code sample shows the syntax for this member. It is not a functional example. For a complete script example, see N/query Module Script Samples.
            // Add additional code
...
    var myCustomerQuery = query.create({
        type: query.Type.CUSTOMER
    });
    var mySalesRepJoin = myCustomerQuery.autoJoin({
        fieldId: 'salesrep'
    });
    myCustomerQuery.columns = [
        myCustomerQuery.createColumn({
            fieldId: 'entityid'
        }),
        mySalesRepJoin.createColumn({
            fieldId: 'firstname'
        }),
        mySalesRepJoin.createColumn({
            fieldId: 'email'
        })
    ];
...
// Add additional code