SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 8)
    Identifier a
    Identifier b
    Function equals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function less (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function greater (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function notEquals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function lessOrEquals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
    Function greaterOrEquals (children 1)
     ExpressionList (children 2)
      Identifier a
      Identifier b
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier a