SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Identifier id
    Function avgWeightedIf (children 1)
     ExpressionList (children 3)
      Identifier value1
      Identifier weight
      Identifier predicate_value
    Function avgWeightedIf (children 1)
     ExpressionList (children 3)
      Identifier value2
      Identifier weight
      Identifier predicate_value
    Function avgWeightedIf (children 1)
     ExpressionList (children 3)
      Identifier value3
      Identifier weight
      Identifier predicate_value
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table_null_specifics
   ExpressionList (children 1)
    Identifier id
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier id
