22,206
社区成员
发帖
与我相关
我的任务
分享
---<2>将普通列转换为identity列
create table #TY
(
col1 int,
col2 int
)
insert into #TY select 1,1
union all select 2,2
union all select 13,53
union all select 24,44
--铺助表
create table #TT
(
id int identity(1,1),
col1 int
)
set identity_insert #TT off
insert into #TT (id,col1) select col1,col2 from #TY
select * from #TT
insert into #TT select 46
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/ws_hgo/archive/2009/02/06/3866850.aspx
create table #ttt(id int identity(1,1), id1 varchar(10))
insert #ttt(id1) select 'a'
insert #ttt(id1) select 'b'
select * from #ttt
id id1
----------- ----------
1 a
2 b
(2 行受影响)
****************************************************************************
软件名称: May Flower Erp
版权所有: (C) 2005-2006 May Flower ERP 开发组
功能描述: 获取指定表的创建脚本,包括表和字段的属性、外键(注释掉的)
----------------------------------------------------------------------------
参数列表:
1: @TableName 需要创建脚本的表的名称
****************************************************************************
|</PRE>*/
CREATE PROCEDURE [dbo].[sp_HelpTable](@TableName sysname)
AS
SET NOCOUNT ON
DECLARE @ObjectID int
DECLARE @TableScript table(Iden int IDENTITY(1, 1), ScriptLine nvarchar(4000))
SET @ObjectID = object_id(@TableName)
IF @ObjectID IS NULL OR OBJECTPROPERTY(@ObjectID, 'IsTable') = 0
BEGIN
RAISERROR('指定的对象不是表对象', 16, 1)
RETURN
END
--获取表的创建脚本
--插入表头
INSERT INTO @TableScript(ScriptLine)
SELECT N'CREATE TABLE [' + USER_NAME(OBJECTPROPERTY(@ObjectID, N'OwnerId')) + N'].[' + object_name(@ObjectID) + N']('
--插入字段
INSERT INTO @TableScript(ScriptLine)
SELECT N' [' + a.Name + N'] [' + b.name + N']' +
CASE WHEN c.Object_id IS NOT NULL THEN N' IDENTITY(' + CONVERT(nvarchar, c.seed_value) + N', ' + CONVERT(nvarchar, c.increment_value) + N')'
ELSE '' END +
CASE WHEN b.xusertype IN (167, 175, 231, 239) THEN N'('+CONVERT(nvarchar, a.prec) + N')'
WHEN b.xusertype in (106, 108) THEN N'('+CONVERT(nvarchar, a.xprec) + N', ' + CONVERT(nvarchar, a.xscale) + N')'
ELSE '' END +
CASE a.isnullable WHEN 1 THEN N'' ELSE N' NOT' END + N' NULL' +
CASE WHEN d.Name IS NOT NULL THEN N' DEFAULT ' + d.Definition ELSE N'' END +
N','
FROM sys.syscolumns a
LEFT JOIN sys.systypes b ON a.xusertype = b.xusertype
LEFT JOIN sys.identity_columns c ON c.Object_id = a.ID AND c.Column_ID = a.ColID
LEFT JOIN sys.default_constraints d ON d.Parent_Object_ID = a.ID AND d.Parent_column_ID = a.ColID
WHERE a.[ID] = @ObjectID
ORDER BY a.ColOrder
--插入主键和索引
DECLARE @IndexID int, @IndexScript nvarchar(4000)
DECLARE IndexCursor CURSOR FOR
SELECT b.Index_ID, N' CONSTRAINT [' + a.Name + N'] ' +
CASE a.Type WHEN 'PK' THEN N'PRIMARY KEY ' WHEN 'UQ' THEN N'UNIQUE ' END +
CASE b.Type WHEN 1 THEN N'CLUSTERED' WHEN 2 THEN N'NONCLUSTERED ' END + N'('
FROM sys.key_constraints a
LEFT JOIN sys.indexes b ON b.Object_ID = a.Parent_Object_ID AND b.index_id = a.unique_index_id
WHERE a.Parent_Object_ID = @ObjectID
OPEN IndexCursor
FETCH NEXT FROM IndexCursor INTO @IndexID, @IndexScript
WHILE @@FETCH_STATUS = 0
BEGIN
SELECT @IndexScript = @IndexScript + N'[' + INDEX_COL(object_name(@ObjectID), 2 , 1) + N'],'
FROM sys.index_columns
WHERE Object_ID = @ObjectID
AND Index_ID = 2
SET @IndexScript = LEFT(@IndexScript, LEN(@IndexScript) -1) + N'),'
INSERT INTO @TableScript(ScriptLine) VALUES(@IndexScript)
FETCH NEXT FROM IndexCursor INTO @IndexID, @IndexScript
END
Close IndexCursor
DEALLOCATE IndexCursor
insert into @TableScript(ScriptLine) VALUES(')')
select * from @TableScript
本文来自CSDN博客,转载请标明出处:http://blog.csdn.net/fredrickhu/archive/2009/10/14/4669511.aspx