我尝试在 Visual Studio 2017 和 SQL Server Data Tools (SSDT) 中使用 SQL Server 临时表。
但我立即收到以下错误:
SQL71609:系统版本化的当前表和历史表没有匹配的架构。不匹配的列:'[dbo].[MyTable].[ValidFrom]'
我看不出有什么错误。我错过了什么吗?
当前表定义为:
CREATE TABLE [dbo].[MyTable]
(
[TenantId] UNIQUEIDENTIFIER NOT NULL CONSTRAINT [DF_MyTable_TenantId] DEFAULT
CAST(SESSION_CONTEXT(N'TenantId') AS UNIQUEIDENTIFIER),
[Rn] BIGINT IDENTITY(1,1) NOT NULL,
[Id] UNIQUEIDENTIFIER NOT NULL,
[PropA] INT NOT NULL,
[PropB] NVARCHAR(100) NOT NULL,
[ValidFrom] DATETIME2 GENERATED ALWAYS AS ROW START HIDDEN NOT NULL CONSTRAINT [DF_ValidFrom] DEFAULT CONVERT(DATETIME2, '0001-01-01'),
[ValidTo] DATETIME2 GENERATED ALWAYS AS ROW END HIDDEN NOT NULL CONSTRAINT [DF_ValidTo] DEFAULT CONVERT(DATETIME2, '9999-12-31 23:59:59.9999999'),
PERIOD FOR SYSTEM_TIME ([ValidFrom], [ValidTo]),
CONSTRAINT [PK_MyTable] PRIMARY KEY NONCLUSTERED ([Id]),
)
WITH (SYSTEM_VERSIONING = ON (HISTORY_TABLE = [dbo].[MyTableHistory]))
GO
CREATE UNIQUE CLUSTERED INDEX [CIX_MyTable] ON [dbo].[MyTable]([Rn])
GO
和历史表:
CREATE TABLE [dbo].[MyTableHistory]
(
[TenantId] UNIQUEIDENTIFIER NOT NULL,
[Rn] BIGINT IDENTITY(1,1) NOT NULL,
[Id] UNIQUEIDENTIFIER NOT NULL,
[PropA] INT NOT NULL,
[PropB] NVARCHAR(100) NOT NULL,
[ValidFrom] DATETIME2,
[ValidTo] DATETIME2,
);
GO
CREATE CLUSTERED COLUMNSTORE INDEX [COLIX_MyTableHistory]
ON [dbo].[MyTableHistory];
GO
CREATE NONCLUSTERED INDEX [IX_ImpactHistory_ValidFrom_ValidTo_Id]
ON [dbo].[MyTableHistory] ([ValidFrom], [ValidTo], [Id]);
GO