快速将一个表的数据生成SQL插入语句

快速将一个表的数据生成SQL插入语句

2023年7月13日发(作者:)

快速将⼀个表的数据⽣成SQL插⼊语句将⼀个表中的数据⽣成SQL插⼊语句,⽅便系统快速初始化,在数据库中执⾏创建以下过程就可以了。if exists (select * from sysobjects where id=object_id('GenerateData') and OBJECTPROPERTY(id, 'IsProcedure') =1 ) Drop Procedure GenerateDatagoCREATE PROCEDURE GenerateData

@tablename sysname

AS

begin declare @column varchar(2000)

declare @columndata varchar(2000)

declare @sql varchar(8000)

declare @xtype tinyint

declare @name sysname

declare @objectId int

declare @objectname sysname

declare @ident int

set nocount on

set @objectId=object_id(@tablename)

if @objectId is null -- 判断对象是否存在

begin

print 'The object not exists'

return

end

set @objectname=rtrim(object_name(@objectId))

if @objectname is null or charindex(@objectname,@tablename)=0 --此判断不严密

begin

print 'object not in current database'

return

end

if OBJECTPROPERTY(@objectId,'IsTable') < > 1 -- 判断对象是否是table

begin

print 'The object is not table'

return

end

select @ident=status&0x80 from syscolumns where id=@objectid and status&0x80=0x80

if @ident is not null

print 'SET IDENTITY_INSERT '+@TableName+' ON'

declare syscolumns_cursor cursor for select , from syscolumns c

where =@objectid order by

open syscolumns_cursor

set @column=''

set @columndata=''

fetch next from syscolumns_cursor into @name,@xtype

while @@fetch_status < >-1

begin

if @@fetch_status < >-2

begin

if @xtype not in(189,34,35,99,98) --timestamp不需处理,image,text,ntext,sql_variant 暂时不处理

begin

set @column=@column+case when len(@column)=0 then'' else ','end+@name set @column=@column+case when len(@column)=0 then'' else ','end+@name

set @columndata=@columndata+case when len(@columndata)=0 then '' else ','','','end

+case when @xtype in(167,175) then '''''''''+'+@name+'+''''''''' --varchar,char

when @xtype in(231,239) then '''N''''''+'+@name+'+''''''''' --nvarchar,nchar

when @xtype=61 then '''''''''+convert(char(23),'+@name+',121)+''''''''' --datetime

when @xtype=58 then '''''''''+convert(char(16),'+@name+',120)+''''''''' --smalldatetime

when @xtype=36 then '''''''''+convert(char(36),'+@name+')+''''''''' --uniqueidentifier

else @name end

end

end

fetch next from syscolumns_cursor into @name,@xtype

end

close syscolumns_cursor

deallocate syscolumns_cursor

set @sql='set nocount on select ''insert into '+@tablename+'('+@column+') values(''as ''--'','+@columndata+','')'' from '+@tablename

print '--'+@sql

exec(@sql)

if @ident is not null

print 'SET IDENTITY_INSERT '+@TableName+' OFF'

endGO实例,要将表t_sys_menu中的⽣成插⼊语句,就如下执⾏操作即可:exec GenerateData 't_sys_menu'

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