CreateQuery 03457_data (children 4)
 Identifier 03457_data
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration key (children 1)
    DataType UInt64
   ColumnDeclaration val (children 1)
    DataType String
 Storage definition (children 2)
  Function MergeTree
  Identifier key
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 2)
     Identifier number
     Function randomString (children 1)
      ExpressionList (children 1)
       Literal UInt64_2048
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_100
