SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 3)
    Identifier a
    Identifier b
    Identifier c
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier decimal
   Function and (children 1)
    ExpressionList (children 3)
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier a
       Function toInt16 (children 1)
        ExpressionList (children 1)
         Literal UInt64_42
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier b
       Function toInt16 (children 1)
        ExpressionList (children 1)
         Literal UInt64_42
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier c
       Function toInt16 (children 1)
        ExpressionList (children 1)
         Literal UInt64_42