CreateQuery dict_nested_map_test_table (children 3)
 Identifier dict_nested_map_test_table
 Columns definition (children 1)
  ExpressionList (children 4)
   ColumnDeclaration test_id (children 1)
    DataType UInt32
   ColumnDeclaration type (children 1)
    DataType String
   ColumnDeclaration test_config (children 1)
    DataType Array (children 1)
     ExpressionList (children 1)
      DataType Map (children 1)
       ExpressionList (children 2)
        DataType String
        DataType Decimal (children 1)
         ExpressionList (children 2)
          Literal UInt64_28
          Literal UInt64_12
   ColumnDeclaration ncp (children 1)
    DataType UInt8
 Storage definition (children 2)
  Function MergeTree (children 1)
   ExpressionList
  Identifier test_id