CreateQuery table_map (children 3)
 Identifier table_map
 Columns definition (children 1)
  ExpressionList (children 2)
   ColumnDeclaration d (children 1)
    DataType DATE
   ColumnDeclaration m (children 1)
    DataType Map (children 1)
     ExpressionList (children 2)
      DataType Int8
      DataType UInt256
 Storage definition (children 3)
  Function MergeTree (children 1)
   ExpressionList
  Identifier d
  Set
