Package de.fuberlin.wiwiss.d2rq.algebra

Examples of de.fuberlin.wiwiss.d2rq.algebra.Attribute.attributeName()


          if (attributes.relationName == null)
            attributes.relationName = a.relationName();
          else if (!attributes.relationName.equals(a.relationName()))
            err = true;
         
          attributes.attributeNames.add(a.attributeName());
        }
       
//        if (projection instanceof Attribute) {
//          Attribute a = (Attribute) projection;
//          if (attributes.relationName == null)
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  {
    for (int i = 0; i < relation.length; i++) {
      NodeRelation rel = relation[i];
      for (ProjectionSpec p: rel.baseRelation().projections()) {
        Attribute attribute = (Attribute) p;
        if (attribute.tableName().equals(tableName) && attribute.attributeName().equals(attributeName))
          return rel;
      }
    }
   
    return null;
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