sum(group, value)

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Operator Type:   Boolean
Operator Scope of Action:   Group

The operator sum() adds lists. (See sum_if() for a related new operator)

sum(where,attribute)

visits each note described by where and adds the value of the designated attribute to the total.

where may be any of {child,descendent,sibling,ancestor,all}.

In addition, where may be argument that designates a particular (single) note other than this.

what can be any expression, but is typically an attribute.

For example,

sum(child,$WordCount) 

constructs the current word count of the children of the note.


Up: Non-query Boolean operators
Previous: every(group,value)  Next: sum_if(group,condition,value) 

[Last updated: 14 Dec 2009, using v5.0]

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