SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 1)
    Function multiIf (children 1)
     ExpressionList (children 7)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier col1
        Literal UInt64_1
      Identifier col2
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier col2
        Literal UInt64_2
      Identifier col3
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier col3
        Literal UInt64_3
      Identifier col1
      Literal UInt64_42
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test1_00395