CreateQuery 03173_nested_date_parsing (children 3)
 Identifier 03173_nested_date_parsing
 Columns definition (children 1)
  ExpressionList (children 1)
   ColumnDeclaration id (children 1)
    DataType String
 Storage definition (children 3)
  Function MergeTree
  Function toMonth (children 1)
   ExpressionList (children 1)
    Function toDate (children 1)
     ExpressionList (children 1)
      Identifier id
  Function tuple (children 1)
   ExpressionList
