add_data
Description:
[ Version ( since = "5.0" ) ]
public bool add_data (DataPivotAggregate aggregate_type, string field, string? alias) throws Error
public bool add_data (DataPivotAggregate aggregate_type, string field, string? alias) throws Error
Specifies that field
has to be included in the analysis.
field
is a field specification with the following accepted syntaxes:
- a column name in the source data model (see gda_data_model_get_column_index); or
- an SQL expression involving a column name in the source data model, for examples:
price
firstname || ' ' || lastname
nb BETWEEN 5 AND 10
It is also possible to specify several fields to be added, while separating them by a comma (in effect still forming a valid SQL syntax).
Parameters:
this |
a DataPivot object |
aggregate_type |
the type of aggregate operation to perform |
field |
the field description, see below |
alias |
the field alias, or |
Returns:
|