Example #1
0
  public ObjectExecution(
      Select query,
      @SuppressWarnings("unused") RuntimeMetadata metadata,
      ObjectExecutionFactory factory,
      ObjectConnection connection,
      ExecutionContext executionContext)
      throws TranslatorException {
    this.factory = factory;
    this.query = query;
    this.connection = connection;
    this.executionContext = executionContext;

    projects = new ArrayList<CompiledScript>(query.getDerivedColumns().size());
    for (DerivedColumn dc : query.getDerivedColumns()) {
      ColumnReference cr = (ColumnReference) dc.getExpression();
      String name = null;
      if (cr.getMetadataObject() != null) {
        Column c = cr.getMetadataObject();
        name = getNameInSource(c);
      } else {
        name = cr.getName();
      }
      if (name.equalsIgnoreCase("this")) { // $NON-NLS-1$
        projects.add(null);
      } else {
        try {
          projects.add(scriptEngine.compile(OBJECT_NAME + "." + name)); // $NON-NLS-1$
        } catch (ScriptException e) {
          throw new TranslatorException(e);
        }
      }
    }
  }
Example #2
0
 @Override
 public void visit(DerivedColumn obj) {
   if (obj.getExpression() instanceof Function) {
     visitNode(obj.getExpression());
   } else {
     ColumnReference column = (ColumnReference) obj.getExpression();
     this.selectedColumns.add(column.getMetadataObject().getName());
   }
 }
Example #3
0
 @Override
 public void visit(ColumnReference obj) {
   this.onGoingExpression.push(obj.getMetadataObject());
 }