How to use

getRelations

method

in

com.facebook.presto.sql.tree.Intersect

@Override
protected Void visitIntersect(Intersect node, Integer indent)
{
  Iterator<Relation> relations = node.getRelations().iterator();
  while (relations.hasNext()) {
    processRelation(relations.next(), indent);
    if (relations.hasNext()) {
      builder.append("INTERSECT ");
      if (!node.isDistinct()) {
        builder.append("ALL ");
      }
    }
  }
  return null;
}

@Override
protected RelationPlan visitIntersect(Intersect node, Void context)
{
  checkArgument(!node.getRelations().isEmpty(), "No relations specified for INTERSECT");
  SetOperationPlan setOperationPlan = process(node);
  PlanNode planNode = new IntersectNode(idAllocator.getNextId(), setOperationPlan.getSources(), setOperationPlan.getSymbolMapping(), ImmutableList.copyOf(setOperationPlan.getSymbolMapping().keySet()));
  return new RelationPlan(planNode, analysis.getScope(node), planNode.getOutputSymbols());
}

@Override
protected Void visitIntersect(Intersect node, Integer indent) {
  Iterator<Relation> relations = node.getRelations().iterator();
  while (relations.hasNext()) {
    processRelation(relations.next(), indent);
    if (relations.hasNext()) {
      builder.append("INTERSECT ");
      if (!node.isDistinct()) {
        builder.append("ALL ");
      }
    }
  }
  return null;
}

@Override
protected R visitIntersect(Intersect node, C context)
{
  for (Relation relation : node.getRelations()) {
    process(relation, context);
  }
  return null;
}

@Override
protected Void visitIntersect(Intersect node, Integer indent)
{
  Iterator<Relation> relations = node.getRelations().iterator();
  while (relations.hasNext()) {
    processRelation(relations.next(), indent);
    if (relations.hasNext()) {
      builder.append("INTERSECT ");
      if (!node.isDistinct()) {
        builder.append("ALL ");
      }
    }
  }
  return null;
}

@Override
protected Void visitIntersect(Intersect node, Integer indent)
{
  Iterator<Relation> relations = node.getRelations().iterator();
  while (relations.hasNext()) {
    processRelation(relations.next(), indent);
    if (relations.hasNext()) {
      builder.append("INTERSECT ");
      if (!node.isDistinct()) {
        builder.append("ALL ");
      }
    }
  }
  return null;
}

@Override
protected Void visitIntersect(Intersect node, Integer indent)
{
  Iterator<Relation> relations = node.getRelations().iterator();
  while (relations.hasNext()) {
    processRelation(relations.next(), indent);
    if (relations.hasNext()) {
      builder.append("INTERSECT ");
      if (!node.isDistinct()) {
        builder.append("ALL ");
      }
    }
  }
  return null;
}