根据基本表结构及其数据生成 INSERT ... 的 SQL
create proc spGenInsertSQL
@TableName as varchar(100)
as
--declare @TableName varchar(100)
--set @TableName = 'orders'
--set @TableName = 'eeducation'
DECLARE xCursor CURSOR FOR
SELECT name,xusertype
FROM syscolumns
WHERE (id = OBJECT_ID(@TableName))
declare @F1 varchar(100)
declare @F2 integer
declare @SQL varchar(8000)
set @sql ='SELECT ''INSERT INTO ' + @TableName + ' VALUES('''
OPEN xCursor
FETCH xCursor into @F1,@F2
WHILE @@FETCH_STATUS = 0
BEGIN
set @sql =@sql +
+ case when @F2 IN (35,58,99,167,175,231,239,61) then ' + case when ' + @F1 + ' IS NULL then '''' else '''''''' end + ' else '+' end
+ 'replace(ISNULL(cast(' + @F1 + ' as varchar),''NULL''),'''''''','''''''''''')'
+ case when @F2 IN (35,58,99,167,175,231,239,61) then ' + case when ' + @F1 + ' IS NULL then '''' else '''''''' end + ' else '+' end
+ char(13) + ''','''
FETCH NEXT FROM xCursor into @F1,@F2
END
CLOSE xCursor
DEALLOCATE xCursor
set @sql = left(@sql,len(@sql) - 5) + ' + '')'' FROM ' + @TableName
print @sql
exec (@sql)
第二版:2003.03.08
alter proc SPGenInsertSQL (@tablename varchar(256))
as
begin
declare @sql varchar(8000)
declare @sqlValues varchar(8000)
set @sql =' ('
set @sqlValues = 'values (''+'
select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],'
from
(select case
when xtype in (48,52,56,59,60,62,104,106,108,122,127)
then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'
when xtype in (58,61)
then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'
when xtype in (167)
then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
when xtype in (231)
then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+'''''''''+' end'
when xtype in (175)
then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'
when xtype in (239)
then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'cast(replace('+ name+','''''''','''''''''''') as Char(' + cast(length as varchar) + '))+'''''''''+' end'
else '''NULL'''
end as Cols,name
from syscolumns
where id = object_id(@tablename)
) T
set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename
--print @sql
exec (@sql)
end
第三版: 2003.3.9
ALTER proc SPGenInsertSQL (@tablename varchar(256))
as
begin
declare @sql varchar(8000)
declare @sqlValues varchar(8000)
set @sql =' ('
set @sqlValues = 'values (''+'
select @sqlValues = @sqlValues + cols + ' + '','' + ' ,@sql = @sql + '[' + name + '],'
from
(select case
when xtype in (48,52,56,59,60,62,104,106,108,122,127)
then 'case when '+ name +' is null then ''NULL'' else ' + 'cast('+ name + ' as varchar)'+' end'
when xtype in (58,61)
then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'cast('+ name +' as varchar)'+ '+'''''''''+' end'
when xtype in (167,175)
then 'case when '+ name +' is null then ''NULL'' else '+''''''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+''''''''' + ' end'
when xtype in (231,239)
then 'case when '+ name +' is null then ''NULL'' else '+'''N'''''' + ' + 'replace('+ name+','''''''','''''''''''')' + '+''''''''' + ' end'
else '''NULL'''
end as Cols,name
from syscolumns
where id = object_id(@tablename) and autoval is null
) T
set @sql ='select ''INSERT INTO ['+ @tablename + ']' + left(@sql,len(@sql)-1)+') ' + left(@sqlValues,len(@sqlValues)-4) + ')'' from '+@tablename
print @sql
exec (@sql)
/*
select *
from syscolumns
where id = object_id('test') and autoval is null
*/
end