Description. This method is used to add a column on which events should be detected. The column may be indicated either by its ID or its name.
If you know several columns by name, you can enable event
detection on all of them at one time by using
Section 220.127.116.11, “Event::addEventColumns()”.
Signature. Identifying the event using its column ID:
void addEventColumn ( unsigned attrId )
Identifying the column by name:
void addEventColumn ( const char* columnName )
Parameters. This method takes a single argument, which may be either one of the following:
The column ID (
attrId), which should be an integer greater than or equal to
0, and less than the value returned by
name(as a constant character pointer).
Return value. None.