2023年7月13日发(作者：)

SQL⾃动⽣成insertinto脚本判断当表存在标识列的时候就要允许将显式值插⼊表的标识列中，设置：Set Identity_Insert TableName Off判断数据类型如，varchar,char,datetime,nvarchar,nchar，uniqueidentifier时候，在Insert字段中就要增加双引号，否则就不加；Use TestGoDeclare

@Table1 nvarchar(128), @Table2 nvarchar(128), @Sql1 nvarchar(4000), @Sql2 nvarchar(4000), @SqlIdentityInsert nvarchar(512)Set @Table1='DutyHistory' --源表Set @Table2='Duty' --⽬标表IF Object_id(@Table1,'U') Is Null

ReturnIf Isnull(@Table2,'')='' Set @Table2=@Table1Set @SqlIdentityInsert=''If Exists(Select 1 From s Where Object_id=Object_id(@Table1,'U')) Set @SqlIdentityInsert='Select ''Set Identity_Insert '+@Table2+' On '''Select

@Sql1=Isnull(@Sql1+',',' Insert Into '+@Table2+' (')+Quotename(name), @Sql2=Isnull(@Sql2+'+'',''+','Select @Sql1+'' Select ''')+'+Case When '+Quotename(name)+' Is null Then ''null'' Else '+ Case When user_type_id In(175,61,239,231,58,98,36,167,241) Then '''''''''+Rtrim('+Quotename(name)+')+''''''''' Else 'Rtrim('+Quotename(name)+')' End +' End'From s

Where Object_id=Object_id(@Table1,'U')Set @Sql1=@Sql1+')'Set @Sql2= 'Select Convert(nvarchar(max),''If Object_id('''''+@Table2+''''',''''U'''') Is Null Return;'') As SqlInsert Union All '+ @SqlIdentityInsert+' Union All '+ @Sql2+' From '+Quotename(@Table1)+Case @SqlIdentityInsert When '' Then '' Else ' Union All ' End+ Replace(@SqlIdentityInsert,' On ',' Off')Exec sp_executesql @Sql2,N'@Sql1 nvarchar(4000)',@Sql1Result:SqlInsert---------------------------------------------------------If Object_id('Duty','U') Is Null Return;Set Identity_Insert Duty On

Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 1,'Robert','01 1 2008 12:00AM',3.4 Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 2,'Robert','01 2 2008 12:00AM',3.4 Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 3,'Robert','01 3 2008 12:00AM', ... Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 58,'Robert','02 27 2008 12:00AM',4.5 Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 59,'Robert','02 28 2008 12:00AM',4.5 Insert Into Duty ([id],[Name],[WorkDate],[WorkHours]) Select 60,'Robert','02 29 2008 12:00AM',4.5Set Identity_Insert Duty Off