我继承了一个代码库，但在 Entity Framework Core v3.1.19 上遇到了一个奇怪的问题。
实体框架正在生成以下查询（如 SQL Server Profiler 中所示），并且运行需要近 30 秒，而在 SSMS 中运行相同的代码（再次从分析器中获取）需要 1 秒（这是一个示例，但整个站点运行）从数据库获取数据时速度非常慢）。
exec sp_executesql N'SELECT [t].[Id], [t].[AccrualLink], [t].[BidId], [t].[BidId1], [t].[Cancelled], [t].[ClientId], [t].[CreatedUtc], [t].[CreatorUserId], [t].[Date], [t].[DeletedUtc], [t].[DeleterUserId], [t].[EmergencyContact], [t].[EmergencyName], [t].[EmergencyPhone], [t].[EndDate], [t].[FinalizerId], [t].[Guid], [t].[Invoiced], [t].[IsDeleted], [t].[Notes], [t].[OfficeId], [t].[PONumber], [t].[PlannerId], [t].[PortAgencyAgentEmail], [t].[PortAgencyAgentName], [t].[PortAgencyAgentPhone], [t].[PortAgencyId], [t].[PortAgentId], [t].[PortId], [t].[PortType], [t].[PositionNote], [t].[ProposalLink], [t].[ServiceId], [t].[ShipId], [t].[ShorexAssistantEmail], [t].[ShorexAssistantName], [t].[ShorexAssistantPhone], [t].[ShorexManagerEmail], [t].[ShorexManagerName], [t].[ShorexManagerPhone], [t].[ShuttleBus], [t].[ShuttleBusEmail], [t].[ShuttleBusName], [t].[ShuttleBusPhone], [t].[ShuttleBusServiceProvided], [t].[TouristInformationBus], [t].[TouristInformationEmail], [t].[TouristInformationName], [t].[TouristInformationPhone], [t].[TouristInformationServiceProvided], [t].[UpdatedUtc], [t].[UpdaterUserId], [t].[Water], [t].[WaterDetails], [t0].[Id], [t0].[CreatedUtc], [t0].[CreatorUserId], [t0].[DeletedUtc], [t0].[DeleterUserId], [t0].[Guid], …