CreateQuery test_02902 (children 3)
 Identifier test_02902
 Storage definition (children 2)
  Function File (children 1)
   ExpressionList (children 1)
    Identifier JSONEachRow
  Set
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function CAST (alias c) (children 1)
      ExpressionList (children 2)
       Function tuple (children 1)
        ExpressionList (children 3)
         Function CAST (children 1)
          ExpressionList (children 2)
           Identifier number
           Literal \'String\'
         Literal NULL
         Function tuple (children 1)
          ExpressionList (children 2)
           Function CAST (children 1)
            ExpressionList (children 2)
             Identifier number
             Literal \'String\'
           Literal NULL
       Literal \'Tuple(a Nullable(String), b Nullable(Int64), c Tuple(x Nullable(String), y Nullable(Float64)))\'
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_3
