Creates a Column
object for use inside a Selection
object.
a!queryColumn( field, alias, visible )
false
, the data for the column will not be retrieved, but it can be used for sorting. Default value is true
.Selection
The field parameter is required.
Fields that are children of a multiple cannot be selected.
If no alias is given, the alias for the column will be inferred as the field value.
If the alias is not provided and the field name collides with another existing alias, the field name will be suffixed with an incremented digit appended to the end when returned in the result.
Column: The Column data type defines an individual column selection configuration to be applied when querying data.
Selection: The Selection data type defines a set of column selection configurations to be applied when querying data.
Query: The Query data type defines the grouping, aggregation, filtering, paging, and sorting configuration to be applied when querying data.