SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Function COALESCE (children 1)
     ExpressionList (children 13)
      Function equals (children 1)
       ExpressionList (children 2)
        Function COALESCE (children 1)
         ExpressionList (children 1)
          Literal \'\'
        Function toNullable (children 1)
         ExpressionList (children 1)
          Literal \'b3\'
      Function toUInt128 (children 1)
       ExpressionList (children 1)
        Function toNullable (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Function toLowCardinality (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Function toUInt128 (children 1)
       ExpressionList (children 1)
        Function toNullable (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      Function toUInt128 (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
    Function COALESCE (children 1)
     ExpressionList (children 13)
      Function equals (children 1)
       ExpressionList (children 2)
        Function COALESCE (children 1)
         ExpressionList (children 1)
          Function COALESCE (children 1)
           ExpressionList (children 1)
            Function materialize (children 1)
             ExpressionList (children 1)
              Literal \'\'
        Literal \'b3\'
      Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Function toLowCardinality (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      Function toUInt128 (children 1)
       ExpressionList (children 1)
        Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Function materialize (children 1)
       ExpressionList (children 1)
        Function toUInt256 (children 1)
         ExpressionList (children 1)
          Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
      Literal UInt64_2
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Function numbers (children 1)
       ExpressionList (children 1)
        Literal UInt64_100000
