public void visitChild(RelNode parent, RelNode child) {
if (parent instanceof OLAPRel) {
OLAPRel olapRel = (OLAPRel) parent;
this.parentContext = olapRel.getContext();
}
OLAPRel olapChild = (OLAPRel) child;
olapChild.implementRewrite(this);
}
@Override
public EnumerableRel.Result visitChild(
EnumerableRel parent, int ordinal, EnumerableRel child, EnumerableRel.Prefer prefer) {
if (parent instanceof OLAPRel) {
OLAPRel olapRel = (OLAPRel) parent;
this.parentContext = olapRel.getContext();
}
return super.visitChild(parent, ordinal, child, prefer);
}
public void visitChild(RelNode input, RelNode parentNode) {
this.parentNode = parentNode;
((OLAPRel) input).implementOLAP(this);
}
@Override
public boolean hasSubQuery() {
OLAPRel olapChild = (OLAPRel) getChild();
return olapChild.hasSubQuery();
}
private ColumnRowType buildColumnRowType() {
OLAPRel olapChild = (OLAPRel) getChild();
ColumnRowType inputColumnRowType = olapChild.getColumnRowType();
return inputColumnRowType;
}