@Override
public void visit(AggregateFunction obj) {
if (!obj.getParameters().isEmpty()) {
visitNodes(obj.getParameters());
}
if (obj.getName().equals(AggregateFunction.COUNT)) {
HashMap<String, String> options = new HashMap<String, String>();
options.put(CountStarIterator.ALIAS, this.currentAlias);
options.put(CountStarIterator.ENCODING, this.ef.getEncoding());
IteratorSetting it =
new IteratorSetting(this.iteratorPriority++, CountStarIterator.class, options);
// expression expects a column
Column c = new Column();
c.setName(this.currentAlias);
c.setDatatype(
SystemMetadata.getInstance()
.getSystemStore()
.getDatatypes()
.get("integer")); // $NON-NLS-1$
c.setProperty(AccumuloMetadataProcessor.CF, this.currentAlias);
this.scanIterators.add(it);
this.onGoingExpression.push(c);
} else if (obj.getName().equals(AggregateFunction.AVG)) {
} else if (obj.getName().equals(AggregateFunction.SUM)) {
} else if (obj.getName().equals(AggregateFunction.MIN)) {
} else if (obj.getName().equals(AggregateFunction.MAX)) {
} else {
}
}
