where table has a field with struct datatype such as address struct<scn:int,from:int,to:int,lines:array<string>,postCode:string> Expected behavior I would expect as output [<SparkColumn address (struct)>] instead I have [<SparkColumn address (struct)>, <SparkColumn scn (integer)>, <Spar...
所以，JSON对象和JSON字符串之间的相互转换是关键 例如： JSON字符串: var str1 = '{ "name": "cx...
This PR refactors the handling of struct types by replacing legacy constructor methods (new_atomic/new_struct) with a unified approach using DataType::from(StructType::new) and PbColumnDesc::new. Key changes include: Updating column construction in the common catalog to use the new unified cons...