CreateQuery sum_map (children 3)
 Identifier sum_map
 Columns definition (children 1)
  ExpressionList (children 3)
   ColumnDeclaration date (children 1)
    DataType Date
   ColumnDeclaration timeslot (children 1)
    DataType DateTime
   ColumnDeclaration statusMap (children 1)
    DataType Nested (children 1)
     ExpressionList (children 2)
      NameTypePair status (children 1)
       DataType UInt16
      NameTypePair requests (children 1)
       DataType UInt64
 Storage definition (children 2)
  Function MergeTree
  Function tuple (children 1)
   ExpressionList