CreateQuery 02834_t (children 3)
 Identifier 02834_t
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration id (children 1)
    DataType UInt64
   ColumnDeclaration arr (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType UInt64
 Storage definition (children 2)
  Function MergeTree
  Identifier id
