如何将 json 数据转换为记录并插入到 sql 服务器中使用

Question

我是 sqlserver 新手。我想将 json 数据转换成记录并插入到 table 中。我有 json 数据，例如

    {  
   "HEADER":[  
      {  
         "seq_id":343,
         "max_processed_scn":649044274,
         "time_processed":"13-MAR-19 09.03.23.081055 PM",
         "status":"COMPLETED"
      },
      {  
         "seq_id":344,
         "max_processed_scn":649214903,
         "time_processed":"15-MAR-19 12.49.31.606172 PM",
         "status":"COMPLETED"
      }
   ],
   "DETAIL":[  
      {  
         "seq_id":11215,
         "event_id":1,
         "caller_seq":343,
         "event_description":"BEGIN.."
      },
      {  
         "seq_id":11216,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTING"
      },
      {  
         "seq_id":11217,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTED "
      } "event_description":"TOTAL"

   ]
   }

所以我想将数组 "header" 插入一个 table 并将另一个数组 "Detail" 插入 another.Can 任何人都可以帮助我实现这一目标。提前致谢

所以我需要详细的 table 数据，例如

seq_id  max_processed_scn        time_processed               status
343      649044274          13-MAR-19 09.03.23.081055 PM    COMPLETED
344      649214903          15-MAR-19 12.49.31.606172 PM    COMPLETED

我使用了这个查询：

   DECLARE @json NVARCHAR(MAX)
SET @json =  
N'[{  
   "HEADER":[  
      {  
         "seq_id":343,
         "max_processed_scn":649044274,
         "time_processed":"13-MAR-19 09.03.23.081055 PM",
         "status":"COMPLETED"
      },
      {  
         "seq_id":344,
         "max_processed_scn":649214903,
         "time_processed":"15-MAR-19 12.49.31.606172 PM",
         "status":"COMPLETED"
      }
   ],
   "DETAIL":[  
      {  
         "seq_id":11215,
         "event_id":1,
         "caller_seq":343,
         "event_description":"BEGIN.."
      },
      {  
         "seq_id":11216,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTING"
      },
      {  
         "seq_id":11217,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTED "
      } "event_description":"TOTAL"

   ]
   }
 ]'
SELECT *  
FROM OPENJSON(@json, '$.HEADER')  
  WITH (seq_id INT, max_processed_scn INT, time_processed NVARCHAR(100), [status] NVARCHAR(100))

Answer 1

您可以在 sql 服务器 2016 及更高版本中使用以下查询来读取 Json 数据并插入所需的表中

示例数据

declare @json varchar(max) =' {  
   "HEADER":[  
      {  
         "seq_id":343,
         "max_processed_scn":649044274,
         "time_processed":"13-MAR-19 09.03.23.081055 PM",
         "status":"COMPLETED"
      },
      {  
         "seq_id":344,
         "max_processed_scn":649214903,
         "time_processed":"15-MAR-19 12.49.31.606172 PM",
         "status":"COMPLETED"
      }
   ],
   "DETAIL":[  
      {  
         "seq_id":11215,
         "event_id":1,
         "caller_seq":343,
         "event_description":"BEGIN.."
      },
      {  
         "seq_id":11216,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTING"
      },
      {  
         "seq_id":11217,
         "event_id":2,
         "caller_seq":343,
         "event_description":"STARTED "
      } 

   ]
   }
   '

查询到selectHeader数据

  SELECT * FROM OPENJSON(@json, '$.HEADER') WITH (seq_id INT, max_processed_scn INT, time_processed NVARCHAR(50), [status] NVARCHAR(50))

查询到select明细数据

SELECT * FROM OPENJSON(@json, '$.DETAIL') WITH (seq_id INT, event_id INT, caller_seq int, event_description NVARCHAR(255))

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