Count (query directive)
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Following example counts all instances of the input directive. | Following example counts all instances of the input directive. | ||
| − | importPackage(org.wandora.query2); | + | importPackage(org.wandora.query2); |
| − | new Count(new Instances()) | + | new Count(new Instances()) |
Following example finds all topics in the topic map that have more than 5 instances. | Following example finds all topics in the topic map that have more than 5 instances. | ||
Latest revision as of 12:04, 21 August 2009
[edit] Description
Counts the number of rows returned by the inner directive using same input the Count directive got.
[edit] Constructor
Count(Directive directive)
[edit] Examples
Following example counts all instances of the input directive.
importPackage(org.wandora.query2); new Count(new Instances())
Following example finds all topics in the topic map that have more than 5 instances.
importPackage(org.wandora.query2);
new Count(new Instances())
.as("#count")
.from(new AllTopics().as("#topic"))
.where("#count",">","\"5\"",true)
