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# 0.8.0 (version-0) -> version-1

Last Updated on October 27th, 2019 by Lei Rui.



## 1. Delete Old

| Latest Changes                     | Related Committers |
| ---------------------------------- | ------------------ |
| Delete struct TSSetStorageGroupReq | Jialin Qiao        |
| Remove struct TSDataValue          | Lei Rui            |
| Remove struct TSRowRecord          | Lei Rui            |



## 2. Add New

| Latest Changes                                               | Related Committers                 |
| ------------------------------------------------------------ | ---------------------------------- |
| Add struct TSBatchInsertionReq                               | qiaojialin                         |
| Add method TSExecuteBatchStatementResp insertBatch(1:TSBatchInsertionReq req) | qiaojialin                         |
| Add Struct TSStatusType                                      | Zesong Sun                         |
| Add TSCreateTimeseriesReq                                    | Zesong Sun                         |
| Add method TSStatus setStorageGroup(1:string storageGroup)   | Zesong Sun, Jialin Qiao            |
| Add method TSStatus createTimeseries(1:TSCreateTimeseriesReq req) | Zesong Sun                         |
| Add struct TSInsertReq                                       | qiaojialin                         |
| Add method TSRPCResp insertRow(1:TSInsertReq req)            | qiaojialin                         |
| Add struct TSDeleteDataReq                                   | Jack Tsai, qiaojialin              |
| Add method TSStatus deleteData(1:TSDeleteDataReq req)        | Jack Tsai, Jialin Qiao, qiaojialin |
| Add method TSStatus deleteTimeseries(1:list\<string> path)   | qiaojialin                         |
| Add method TSStatus deleteStorageGroups(1:list\<string> storageGroup) | Yi Tao                             |


## 3. Update

| Latest Changes                                               | Related Committers     |
| ------------------------------------------------------------ | ---------------------- |
| Add required string timestampPrecision in ServerProperties   | 1160300922             |
| Add optional list\<string\> dataTypeList in TSExecuteStatementResp | suyue                  |
| Update TSStatus to use TSStatusType, instead of using ~~TS_StatusCode, errorCode and errorMessage~~ | Zesong Sun             |
| Rename item in enum TSProtocolVersion from ~~TSFILE_SERVICE_PROTOCOL_V1~~ to IOTDB_SERVICE_PROTOCOL_V1 | qiaojialin             |
| Rename method name from ~~TSExecuteStatementResp executeInsertion(1:TSInsertionReq req)~~ to TSExecuteStatementResp insert(1:TSInsertionReq req) | qiaojialin             |
| Add required i32 compressor in TSCreateTimeseriesReq         | Jialin Qiao            |
| Add optional list\<string> nodesList, optional map\<string, string> nodeTimeseriesNum in TSFetchMetadataResp | jack870131             |
| Add optional i32 nodeLevel in TSFetchMetadataReq             | jack870131, Zesong Sun |
| Change the following methods' returned type to be TSStatus: <br />TSStatus closeSession(1:TSCloseSessionReq req), <br />TSStatus cancelOperation(1:TSCancelOperationReq req), <br />TSStatus closeOperation(1:TSCloseOperationReq req), <br />TSStatus setTimeZone(1:TSSetTimeZoneReq req), <br />TSStatus setStorageGroup(1:string storageGroup), <br />TSStatus createTimeseries(1:TSCreateTimeseriesReq req), <br />TSStatus insertRow(1:TSInsertReq req), <br />TSStatus deleteData(1:TSDeleteDataReq req) | Zesong Sun, qiaojialin |
| Change from ~~required string path~~ to required list\<string> paths in TSDeleteDataReq | qiaojialin             |
| Add optional set\<string> devices in TSFetchMetadataResp     | Zesong Sun             |
| Rename some fields in TSFetchMetadataResp: ~~ColumnsList~~ to columnsList, ~~showTimeseriesList~~ to timeseriesList, ~~showStorageGroups~~ to storageGroups | Zesong Sun             |
| Change struct TSQueryDataSet to eliminate row-wise rpc writing | Lei Rui                |
| Add optional i32 timeseriesNum in TSFetchMetadataResp        | Jack Tsai              |
| Add required i64 queryId in TSHandleIdentifier               | Yuan Tian    |
| Add optional set\<string> childPaths in TSFetchMetadataResp     | Haonan Hou             |
| Add optional string version in TSFetchMetadataResp           | Genius_pig             |
| Add required i64 statementId in TSExecuteStatementReq        | Yuan Tian |



