@Override
public Object clone() throws CloneNotSupportedException {
WindowAggNode grp = (WindowAggNode) super.clone();
if (partitionKeys != null) {
grp.partitionKeys = new Column[partitionKeys.length];
for (int i = 0; i < partitionKeys.length; i++) {
grp.partitionKeys[i] = partitionKeys[i];
}
}
if (windowFuncs != null) {
grp.windowFuncs = new WindowFunctionEval[windowFuncs.length];
for (int i = 0; i < windowFuncs.length; i++) {
grp.windowFuncs[i] = (WindowFunctionEval) windowFuncs[i].clone();
}
}
if (targets != null) {
grp.targets = new ArrayList<>();
for (Target t : targets) {
grp.targets.add((Target) t.clone());
}
}
return grp;
}
private static void compileProjectableNode(
CompilationContext context, Schema schema, Projectable node) {
List<Target> targets;
if (node.hasTargets()) {
targets = node.getTargets();
} else {
targets = PlannerUtil.schemaToTargets(node.getOutSchema());
}
for (Target target : targets) {
compileIfAbsent(context, schema, target.getEvalTree());
}
}
@Override
public LogicalNode visitTableSubQuery(
CompilationContext context,
LogicalPlan plan,
LogicalPlan.QueryBlock block,
TableSubQueryNode node,
Stack<LogicalNode> stack)
throws TajoException {
stack.push(node);
visit(context, plan, null, node.getSubQuery(), stack);
stack.pop();
if (node.hasTargets()) {
for (Target target : node.getTargets()) {
compileIfAbsent(context, node.getLogicalSchema(), target.getEvalTree());
}
}
return node;
}