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--查看表生成脚本
USE [master]
GO
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
/*
****************************************************************************
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
****************************************************************************
*/
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N‘[dbo].[sp_HelpTable]‘) AND type in (N‘P‘, N‘PC‘))
DROP PROCEDURE [dbo].[sp_HelpTable]
GO
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
--除去最后一个,号
UPDATE @TableScript
SET ScriptLine = LEFT(ScriptLine, LEN(ScriptLine) - 1)
WHERE Iden = (SELECT MAX(Iden) FROM @TableScript)
INSERT INTO @TableScript(ScriptLine) VALUES(N‘)‘)
INSERT INTO @TableScript(ScriptLine) VALUES(N‘GO‘)
INSERT INTO @TableScript(ScriptLine) VALUES(N‘‘)
--获取表备注
DECLARE @PropScript nvarchar(4000)
INSERT INTO @TableScript(ScriptLine)
SELECT N‘EXEC sys.sp_addextendedproperty @name=N‘‘‘ + a.Name + N‘‘‘, @value=N‘‘‘ + CONVERT(nvarchar, a.Value) + N‘‘‘ ,@level0type=N‘‘SCHEMA‘‘, @level0name=N‘‘‘ +
USER_NAME(OBJECTPROPERTY(a.major_Id, N‘OwnerId‘)) + N‘‘‘, @level1type=N‘‘TABLE‘‘, @level1name=N‘‘‘ + b.Name + N‘‘‘‘
FROM sys.extended_properties a
LEFT JOIN sys.objects b ON b.[Object_ID] = a.major_Id
WHERE a.major_Id = @ObjectID
AND Minor_ID = 0
INSERT INTO @TableScript(ScriptLine) VALUES(‘GO‘)
DECLARE PropCursor CURSOR FOR
SELECT N‘EXEC sys.sp_addextendedproperty @name=N‘‘‘ + a.Name + N‘‘‘, @value=N‘‘‘ + CONVERT(nvarchar, a.Value) + N‘‘‘ ,@level0type=N‘‘SCHEMA‘‘, @level0name=N‘‘‘ +
USER_NAME(OBJECTPROPERTY(a.major_Id, N‘OwnerId‘)) + N‘‘‘, @level1type=N‘‘TABLE‘‘, @level1name=N‘‘‘ + b.Name + N‘‘‘‘ +
N‘, @level2type=N‘‘COLUMN‘‘, @level2name=N‘‘‘ + c.[Name] + ‘‘‘‘
FROM sys.extended_properties a
LEFT JOIN sys.objects b ON b.[Object_ID] = a.major_Id
LEFT JOIN sys.syscolumns c ON c.[ID] = a.major_Id AND c.ColID = a.Minor_ID
WHERE a.major_Id = @ObjectID
AND Minor_ID <> 0
OPEN PropCursor
FETCH NEXT FROM PropCursor INTO @PropScript
WHILE @@FETCH_STATUS = 0
BEGIN
INSERT INTO @TableScript(ScriptLine) VALUES(@PropScript)
INSERT INTO @TableScript(ScriptLine) VALUES(N‘GO‘)
FETCH NEXT FROM PropCursor INTO @PropScript
END
CLOSE PropCursor
DEALLOCATE PropCursor
INSERT INTO @TableScript(ScriptLine) VALUES(‘‘)
--获取表外键
DECLARE @ConstID int, @i tinyint, @keyCnt tinyint, @TempletSQL nvarchar(400), @SQLScript nvarchar(500),
@FColName sysname, @RColName sysname,
@ForeignLine nvarchar(4000), @ReferencesLine nvarchar(4000), @ReferencesAction nvarchar(4000)
DECLARE @ConstIDTable table(ConstID int)
SELECT
@FColName = ‘‘,
@RColName = ‘‘,
@TempletSQL =
N‘SELECT @eFColName = ‘‘[‘‘ + col_name(FkeyID, Fkey%d) + ‘‘]‘‘, @eRColName = ‘‘[‘‘ + col_name(RkeyID, Rkey%d) + ‘‘]‘‘ FROM sys.sysreferences WHERE ConstID = @ConstID‘
INSERT INTO @ConstIDTable
SELECT ConstID FROM sys.sysreferences WHERE FKeyID = @ObjectID OR RKeyID = @ObjectID ORDER BY FKeyID
WHILE EXISTS(SELECT * FROM @ConstIDTable)
BEGIN
SELECT TOP 1 @ConstID = ConstID FROM @ConstIDTable
DELETE FROM @ConstIDTable WHERE ConstID = @ConstID
INSERT INTO @TableScript
SELECT N‘--ALTER TABLE [dbo].[‘ + object_name(FKeyID) + ‘] WITH CHECK‘
FROM sys.sysreferences
WHERE ConstID = @ConstID
INSERT INTO @TableScript(ScriptLine) VALUES(‘-- ADD‘ + CHAR(13) + CHAR(10))
SELECT @ForeignLine = N‘-- CONSTRAINT [‘ + object_name(ConstID) + ‘] FOREIGN KEY(‘,
@ReferencesLine = N‘REFERENCES [dbo].[‘ + object_name(RKeyID) + ‘] (‘,
@ReferencesAction = CASE b.Delete_Referential_Action WHEN 0 THEN N‘‘
WHEN 1 THEN N‘ON DELETE Cascade‘
WHEN 2 THEN N‘ON DELETE SET NULL‘
WHEN 3 THEN N‘ON DELETE SET DEFAULT‘
END + ‘ ‘ +
CASE b.Delete_Referential_Action WHEN 0 THEN N‘‘
WHEN 1 THEN N‘ON UPDATE Cascade‘
WHEN 2 THEN N‘ON UPDATE SET NULL‘
WHEN 3 THEN N‘ON UPDATE SET DEFAULT‘
END,
@keyCnt = KeyCnt
FROM sys.sysreferences a
LEFT JOIN sys.foreign_keys b ON a.ConstID = b.Object_ID
WHERE a.ConstID = @ConstID
--取字段
SET @i = 1
WHILE @i <= @keyCnt
BEGIN
SET @SQLScript = REPLACE(@TempletSQL, ‘%d‘, CONVERT(nvarchar, @i))
EXEC sp_executesql @stmt = @SQLScript, @params= N‘@eFColName sysname output, @eRColName sysname output, @ConstID int‘,
@eFColName = @FColName output, @eRColName = @RColName output, @ConstID = @ConstID
print @SQLScript
SET @ForeignLine = @ForeignLine + CASE WHEN @i > 1 THEN ‘, ‘ ELSE ‘‘ END + @FColName
SET @ReferencesLine = @ReferencesLine + CASE WHEN @i > 1 THEN ‘, ‘ ELSE ‘‘ END + @RColName
SET @i = @i + 1
END
INSERT INTO @TableScript(ScriptLine) VALUES(@ForeignLine + N‘) ‘ + @ReferencesLine + N‘)‘)
IF @ReferencesAction <> ‘‘
INSERT INTO @TableScript(ScriptLine) VALUES(@ReferencesAction)
--INSERT INTO @TableScript(ScriptLine) VALUES(N‘GO‘)
END
--返回表的创建脚本
SELECT ScriptLine FROM @TableScript
SET NOCOUNT OFF
GO
--测试
USE LibrarySystem
EXEC sp_HelpTable ‘BookInfoList‘
对于查看视图,存储过程等系统有现成的.sp_helptext
---表结构
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
create proc [dbo].[sp_table]
(@tableName varchar(200)
,@ColumnLike varchar(200)=NULL)
as
--/********************************************
--根据表名得到表信息，包括字段说明
--*********************************************/
--DECLARE @tableName VARCHAR(200);
--DECLARE @ColumnLike VARCHAR(200);
--SET @tableName=‘purchase‘
--SET @ColumnLike=NULL;
--如果表明不存在，就直接选出相似表
if not exists( select 1 from sysobjects where id = object_id(@tableName) and type = ‘U‘)
begin
select name from sysobjects where name like ‘%‘+@tableName + ‘%‘ and type = ‘U‘
return
end
--筛选相似列明
if(@ColumnLike is null)
set @ColumnLike = ‘‘
declare @ColumnTable table(cName varchar(200))
insert @ColumnTable(cName)
select a.name from syscolumns a,sysobjects d
where a.id=d.id
and d.name = @tableName and a.name like ‘%‘+ @ColumnLike +‘%‘
--查询表结构信息
SELECT
表名=case when a.colorder=1 then d.name else ‘‘ end,
表说明=case when a.colorder=1 then isnull(f.value,‘‘) else ‘‘ end,
字段序号=a.colorder,
字段名=a.name,
字段说明=isnull(g.[value],‘‘),
标识=case when COLUMNPROPERTY( a.id,a.name,‘IsIdentity‘)=1 then ‘√‘else ‘‘ end,
主键=case when exists(SELECT 1 FROM sysobjects where xtype=‘PK‘ and parent_obj=a.id and name in (
SELECT name FROM sysindexes WHERE indid in(
SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid
))) then ‘√‘ else ‘‘ end,
类型=b.name,
占用字节数=a.length,
长度=COLUMNPROPERTY(a.id,a.name,‘PRECISION‘),
小数位数=isnull(COLUMNPROPERTY(a.id,a.name,‘Scale‘),0),
允许空=case when a.isnullable=1 then ‘√‘else ‘‘ end,
默认值=isnull(e.text,‘‘)
FROM syscolumns a
left join systypes b on a.xusertype=b.xusertype
inner join sysobjects d on a.id=d.id and d.xtype=‘U‘ and d.name<>‘dtproperties‘
left join syscomments e on a.cdefault=e.id
left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id
left join sys.extended_properties f on d.id=f.major_id and f.minor_id=0
--where d.name=‘要查询的表‘ --如果只查询指定表,加上此条件
where d.name = @tableName
and exists(select 1 from @ColumnTable where cname = a.name)
order by a.id,a.colorder
GO
---查看函數,存儲過程代碼
create procedure dusp_helptext
@objname nvarchar(776)
,@columnname sysname = NULL
as
set nocount on
declare @dbname sysname
,@objid int
,@BlankSpaceAdded int
,@BasePos int
,@CurrentPos int
,@TextLength int
,@LineId int
,@AddOnLen int
,@LFCR int --lengths of line feed carriage return
,@DefinedLength int
/* NOTE: Length of @SyscomText is 4000 to replace the length of
** text column in syscomments.
** lengths on @Line, #CommentText Text column and
** value for @DefinedLength are all 255. These need to all have
** the same values. 255 was selected in order for the max length
** display using down level clients
*/
,@SyscomText nvarchar(4000)
,@Line nvarchar(255)
select @DefinedLength = 255
select @BlankSpaceAdded = 0 /*Keeps track of blank spaces at end of lines. Note Len function ignores
trailing blank spaces*/
CREATE TABLE #CommentText
(LineId int
,Text nvarchar(255) collate database_default)
/*
** Make sure the @objname is local to the current database.
*/
select @dbname = parsename(@objname,3)
if @dbname is null
select @dbname = db_name()
else if @dbname <> db_name()
begin
raiserror(15250,-1,-1)
return (1)
end
/*
** See if @objname exists.
*/
select @objid = object_id(@objname)
if (@objid is null)
begin
raiserror(15009,-1,-1,@objname,@dbname)
return (1)
end
-- If second parameter was given.
if ( @columnname is not null)
begin
-- Check if it is a table
if (select count(*) from sys.objects where object_id = @objid and type in (‘S ‘,‘U ‘,‘TF‘))=0
begin
raiserror(15218,-1,-1,@objname)
return(1)
end
-- check if it is a correct column name
if ((select ‘count‘=count(*) from sys.columns where name = @columnname and object_id = @objid) =0)
begin
raiserror(15645,-1,-1,@columnname)
return(1)
end
if (ColumnProperty(@objid, @columnname, ‘IsComputed‘) = 0)
begin
raiserror(15646,-1,-1,@columnname)
return(1)
end
declare ms_crs_syscom CURSOR LOCAL
FOR select text from syscomments where id = @objid and encrypted = 0 and number =
(select column_id from sys.columns where name = @columnname and object_id = @objid)
order by number,colid
FOR READ ONLY
end
else if @objid < 0 -- Handle system-objects
begin
-- Check count of rows with text data
if (select count(*) from master.sys.syscomments where id = @objid and text is not null) = 0
begin
raiserror(15197,-1,-1,@objname)
return (1)
end
declare ms_crs_syscom CURSOR LOCAL FOR select text from master.sys.syscomments where id = @objid
ORDER BY number, colid FOR READ ONLY
end
else
begin
/*
** Find out how many lines of text are coming back,
** and return if there are none.
*/
if (select count(*) from syscomments c, sysobjects o where o.xtype not in (‘S‘, ‘U‘)
and o.id = c.id and o.id = @objid) = 0
begin
raiserror(15197,-1,-1,@objname)
return (1)
end
if (select count(*) from syscomments where id = @objid and encrypted = 0) = 0
begin
raiserror(15471,-1,-1,@objname)
return (0)
end
declare ms_crs_syscom CURSOR LOCAL
FOR select text from syscomments where id = @objid and encrypted = 0
ORDER BY number, colid
FOR READ ONLY
end
/*
** else get the text.
*/
select @LFCR = 2
select @LineId = 1
OPEN ms_crs_syscom
FETCH NEXT from ms_crs_syscom into @SyscomText
WHILE @@fetch_status >= 0
begin
select @BasePos = 1
select @CurrentPos = 1
select @TextLength = LEN(@SyscomText)
WHILE @CurrentPos != 0
begin
--Looking for end of line followed by carriage return
select @CurrentPos = CHARINDEX(char(13)+char(10), @SyscomText, @BasePos)
--If carriage return found
IF @CurrentPos != 0
begin
/*If new value for @Lines length will be > then the
**set length then insert current contents of @line
**and proceed.
*/
while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @CurrentPos-@BasePos + @LFCR) > @DefinedLength
begin
select @AddOnLen = @DefinedLength-(isnull(LEN(@Line),0) + @BlankSpaceAdded)
INSERT #CommentText VALUES
( @LineId,
isnull(@Line, N‘‘) + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N‘‘))
select @Line = NULL, @LineId = @LineId + 1,
@BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
end
select @Line = isnull(@Line, N‘‘) + isnull(SUBSTRING(@SyscomText, @BasePos, @CurrentPos-@BasePos + @LFCR), N‘‘)
select @BasePos = @CurrentPos+2
INSERT #CommentText VALUES( @LineId, @Line )
select @LineId = @LineId + 1
select @Line = NULL
end
else
--else carriage return not found
begin
IF @BasePos <= @TextLength
begin
/*If new value for @Lines length will be > then the
**defined length
*/
while (isnull(LEN(@Line),0) + @BlankSpaceAdded + @TextLength-@BasePos+1 ) > @DefinedLength
begin
select @AddOnLen = @DefinedLength - (isnull(LEN(@Line),0) + @BlankSpaceAdded)
INSERT #CommentText VALUES
( @LineId,
isnull(@Line, N‘‘) + isnull(SUBSTRING(@SyscomText, @BasePos, @AddOnLen), N‘‘))
select @Line = NULL, @LineId = @LineId + 1,
@BasePos = @BasePos + @AddOnLen, @BlankSpaceAdded = 0
end
select @Line = isnull(@Line, N‘‘) + isnull(SUBSTRING(@SyscomText, @BasePos, @TextLength-@BasePos+1 ), N‘‘)
if LEN(@Line) < @DefinedLength and charindex(‘ ‘, @SyscomText, @TextLength+1 ) > 0
begin
select @Line = @Line + ‘ ‘, @BlankSpaceAdded = 1
end
end
end
end
FETCH NEXT from ms_crs_syscom into @SyscomText
end
IF @Line is NOT NULL
INSERT #CommentText VALUES( @LineId, @Line )
select Text from #CommentText order by LineId
CLOSE ms_crs_syscom
DEALLOCATE ms_crs_syscom
DROP TABLE #CommentText
return (0) -- sp_helptext
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原文地址：http://www.cnblogs.com/geovindu/p/4828399.html
