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【DM版本】:v8.1
【操作系统】：linux
【CPU】: Intel(R) Xeon(R) Gold 5220R CPU @ 2.20GHz
【问题描述】*：sequence id和timestamp联合主键，但是保存到数据库的时候SELECT "CreatedAt", "Id" FROM MMS."StripOperationHistories" WHERE sql%ROWCOUNT = 1 AND "Id" = scope_identity()报错，经测试主要是因为scope_identity返回了null。详细报错信息如下：

[2026-03-20T15:45:07 INF] Executed DbCommand (271ms) [Parameters=[:__request_Step_0='?' (Size = 100)], CommandType='Text', CommandTimeout='0']
SELECT TOP(1) "s"."Id", "s"."CreatedAt", "s"."DownloadFromStepId", "s"."Grouped", "s"."IsStepControl", "s"."ProductionCapacityControl", "s"."ShouldCreateNewMap", "s"."StepDownloadAction", "s"."StepName", "s"."StepUploadDataType", "s"."StepUploadMergeType", "s"."StepUploadShouldMerge", "s"."UpdatedAt"
FROM "Steps" AS "s"
WHERE "s"."StepName" = :__request_Step_0
[2026-03-20T15:45:07 INF] Executed DbCommand (233ms) [Parameters=[:__request_PackageName_0='?' (Size = 100)], CommandType='Text', CommandTimeout='0']
SELECT TOP(1) "p"."Id", "p"."CellColumns", "p"."CellDies", "p"."CellRows", "p"."Columns", "p"."CreatedAt", "p"."DefaultBinCode", "p"."LastUpdateUserId", "p"."PackageName", "p"."ReduceDefects", "p"."Rows", "p"."ShouldCreateNewMap", "p"."UpdatedAt"
FROM "Packages" AS "p"
WHERE "p"."PackageName" = :__request_PackageName_0
[2026-03-20T15:45:08 INF] Executed DbCommand (251ms) [Parameters=[:p0='?' (DbType = Int32), :p1='?' (Size = 100), :p2='?' (Size = 100), :p3='?' (Size = 100), :p4='?' (Size = 100), :p5='?' (Size = 100), :p6='?' (Size = 32767) (DbType = AnsiString), :p7='?' (Size = 1000), :p8='?' (DbType = Boolean), :p9='?' (DbType = Boolean), :p10='?' (DbType = Boolean), :p11='?' (DbType = Boolean), :p12='?' (DbType = Int64), :p13='?' (Size = 100), :p14='?' (DbType = Single), :p15='?' (Size = 32767), :p16='?' (Size = 100), :p17='?' (DbType = Int32), :p18='?' (Size = 100), :p19='?' (Size = 32767) (DbType = AnsiString), :p20='?' (DbType = Int32), :p21='?' (Size = 100), :p22='?' (DbType = Single), :p23='?' (Size = 100), :p24='?' (Size = 32767) (DbType = AnsiString), :p25='?' (DbType = Int32), :p26='?' (Size = 100), :p27='?' (DbType = Int32), :p28='?' (DbType = Int32), :p29='?' (DbType = Int32), :p30='?' (Size = 32767), :p31='?' (DbType = Int32), :p32='?' (DbType = DateTime2), :p33='?' (DbType = Single)], CommandType='Text', CommandTimeout='0']

INSERT INTO "StripMaps" ("Columns", "CusLotId", "CusWaferId", "Customer", "EqpModel", "EqpName", "ErrorDetail", "ErrorMessage", "HasProductRelation", "HasWaferRelation", "IsEdited", "IsMerged", "LastUpdateUserId", "LotId", "LotYield", "OriginLocation", "PackageName", "PassCount", "Product", "RawData", "Rows", "SpreadLotId", "SpreadLotYield", "StepName", "StripAxesInfo", "StripDataType", "StripId", "StripReUploadStatusType", "StripSourceType", "StripStatusType", "SubstrateSide", "TotalCount", "UpdatedAt", "Yield")
VALUES (:p0, :p1, :p2, :p3, :p4, :p5, :p6, :p7, :p8, :p9, :p10, :p11, :p12, :p13, :p14, :p15, :p16, :p17, :p18, :p19, :p20, :p21, :p22, :p23, :p24, :p25, :p26, :p27, :p28, :p29, :p30, :p31, :p32, :p33);
SELECT "CreatedAt", "Id"
FROM "StripMaps"
WHERE sql%ROWCOUNT = 1 AND "CreatedAt" = SYSDATE AND "Id" = scope_identity();
Exception thrown: 'Microsoft.EntityFrameworkCore.DbUpdateConcurrencyException' in System.Private.CoreLib.dll
StripMap.Id = 0, CreatedAt = 0001/1/1 00:00:00
[2026-03-20T15:45:08 INF] Executed DbCommand (314ms) [Parameters=[:__p_0='?' (DbType = Int64), :__p_1='?' (DbType = DateTime2)], CommandType='Text', CommandTimeout='0']
SELECT TOP(1) "s"."Id", "s"."CreatedAt", "s"."Columns", "s"."CusLotId", "s"."CusWaferId", "s"."Customer", "s"."EqpModel", "s"."EqpName", "s"."ErrorDetail", "s"."ErrorMessage", "s"."HasProductRelation", "s"."HasWaferRelation", "s"."IsEdited", "s"."IsMerged", "s"."LastUpdateUserId", "s"."LotId", "s"."LotYield", "s"."OriginLocation", "s"."PackageName", "s"."PassCount", "s"."Product", "s"."RawData", "s"."Rows", "s"."SpreadLotId", "s"."SpreadLotYield", "s"."StepName", "s"."StripAxesInfo", "s"."StripDataType", "s"."StripId", "s"."StripReUploadStatusType", "s"."StripSourceType", "s"."StripStatusType", "s"."SubstrateSide", "s"."TotalCount", "s"."UpdatedAt", "s"."Yield"
FROM "StripMaps" AS "s"
WHERE "s"."Id" = :__p_0 AND "s"."CreatedAt" = :__p_1
DB values is null: True
[2026-03-20T15:45:08 INF] Executing ObjectResult, writing value of type 'RunanMms.Schema.ObjectSchema`1[[System.Nullable`1[[System.Boolean, System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]], System.Private.CoreLib, Version=9.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]'.
[2026-03-20T15:45:08 INF] Response:
StatusCode: 200
Content-Type: application/json; charset=utf-8
[2026-03-20T15:45:08 INF] Executed action RunanMms.Controllers.Mes.UploadStripMapController.UploadStripMap (RunanMms) in 3197.0962ms