*==============================================================
名称: [GetMSSQLTableScript]
功能: 获取customize单个表的mysql脚本
创建：2015年3月23日
参数：@DBName --数据库名称
@TBName --表名
@SchemeName --数据库表引用的Scheme
@PartitionScheme --分区Scheme
@PartitionField --该表使用的分区字段
@SQL --输出脚本
==============================================================*/
ALTER PROCEDURE [Tuning].[GetMSSQLTableScript] (
@DBName nvarchar(64),
@SchemeName nvarchar(32),
@TBName nvarchar(128),
@PartitionScheme nvarchar(32),
@PartitionField nvarchar(32),
@SQL nvarchar(max) OUTPUT
)
AS
Begin
declare @table_script nvarchar(max) --建表的脚本
declare @index_script nvarchar(max) --索引的脚本
declare @default_script nvarchar(max) --默认值的脚本
declare @check_script nvarchar(max) --check约束的脚本
declare @sql_cmd nvarchar(max) --动态SQL命令
declare @err_info varchar(200)
set @TBName = UPPER(@TBName);
if OBJECT_ID(@DBName+'.'+@SchemeName+'.'+@TBName) is null
BEGIN
set @err_info='对象:'+@DBName+'.'+@SchemeName+'.'+@TBName+'不存在!'
raiserror(@err_info,16,1)
return
END ----------------------生成创建表脚本----------------------------
--1.添加算定义字段
set @table_script = 'CREATE TABLE '+@SchemeName+'.'+@TBName+'
('+char(13)+char(10); --添加表中的其它字段
set @sql_cmd=N'
use '+@DBName+'
set @table_script=''''
select @table_script=@table_script+
'' [''+t.NAME+''] ''
+(case when t.xusertype in (175,62,239,59,122,165,173) then ''[''+p.name+''] (''+convert(varchar(30),isnull(t.prec,''''))+'')''
when t.xusertype in (231) and t.length=-1 then ''[ntext]''
when t.xusertype in (231) and t.length<>-1 then ''[''+p.name+''] (''+convert(varchar(30),isnull(t.prec,''''))+'')''
when t.xusertype in (167) and t.length=-1 then ''[text]''
when t.xusertype in (167) and t.length<>-1 then ''[''+p.name+''] (''+convert(varchar(30),isnull(t.prec,''''))+'')''
when t.xusertype in (106,108) then ''[''+p.name+''] (''+convert(varchar(30),isnull(t.prec,''''))+'',''+convert(varchar(30),isnull(t.scale,''''))+'')''
else ''[''+p.name+'']''
END)
+(case when t.isnullable=1 then '' null'' else '' not null ''end)
+(case when COLUMNPROPERTY(t.ID, t.NAME, ''ISIDENTITY'')=1 then '' identity'' else '''' end)
+'',''+char(13)+char(10)
from syscolumns t join systypes p on t.xusertype = p.xusertype
where t.ID=OBJECT_ID('''+@SchemeName+'.'+@TBName+''')
ORDER BY t.COLID;
'
EXEc sp_executesql @sql_cmd,N'@table_script varchar(max) output',@sql_cmd output
set @table_script=@table_script+@sql_cmd
IF len(@table_script)>0
set @table_script=substring(@table_script,1,len(@table_script)-3)+char(13)+char(10)
+')On '+@PartitionScheme+'('+@PartitionField+')
'+char(13)+char(10)
--+'GO'
+char(13)+char(10)+char(13)+char(10) --------------------生成索引脚本---------------------------------------
set @index_script=''
set @sql_cmd=N'
use '+@DBName+'
declare @ct int
declare @scheme nvarchar(32)
declare @indid int --当前索引ID
declare @p_indid int --前一个索引ID
declare @partitionField nvarchar(32)
set @partitionField='''+@PartitionField+'''
select @indid=-1, @p_indid=0,@ct=0 --初始化，以后用@indid和@p_indid判断是否索引ID发生变化
set @index_script=''''
set @scheme='''+@SchemeName+'''
select @indid=INDID
,@index_script=@index_script
+(case when @indid<>@p_indid and @ct>0
then '')''+char(13)+char(10) +char(13)+char(10)
else ''''
end)
+(case when @indid<>@p_indid and UNIQ=''PRIMARY KEY''
then ''ALTER TABLE ''+TABNAME+'' ADD CONSTRAINT ''+name+'' PRIMARY KEY ''+cluster+char(13)+char(10)+''(''+char(13)+char(10)+'' ''+COLNAME+'',''+@partitionField+char(13)+char(10)
when @indid<>@p_indid and UNIQ=''UNIQUE''
then ''ALTER TABLE ''+TABNAME+'' ADD CONSTRAINT ''+name+'' UNIQUE ''+cluster+char(13)+char(10)+''(''+char(13)+char(10)+'' ''+COLNAME+'',''+@partitionField+char(13)+char(10)
when @indid<>@p_indid and UNIQ=''INDEX''
then ''CREATE ''+cluster+'' INDEX ''+name+'' ON ''+TABNAME+char(13)+char(10)+''(''+char(13)+char(10)+'' ''+COLNAME+char(13)+char(10)
when @indid=@p_indid
then '' ,''+COLNAME+char(13)+char(10)
end)
,@ct=@ct+1
,@p_indid=@indid
from
(
SELECT A.INDID,B.KEYNO
,NAME,@scheme+''.''+(SELECT NAME FROM SYSOBJECTS WHERE ID=A.ID) AS TABNAME,
(SELECT NAME FROM SYSCOLUMNS WHERE ID=B.ID AND COLID=B.COLID) AS COLNAME,
(CASE WHEN EXISTS(SELECT 1 FROM SYSOBJECTS WHERE NAME=A.NAME AND XTYPE=''UQ'') THEN ''UNIQUE''
WHEN EXISTS(SELECT 1 FROM SYSOBJECTS WHERE NAME=A.NAME AND XTYPE=''PK'') THEN ''PRIMARY KEY''
ELSE ''INDEX'' END) AS UNIQ,
(CASE WHEN A.INDID=1 THEN ''CLUSTERED'' WHEN A.INDID>1 THEN ''NONCLUSTERED'' END) AS CLUSTER
FROM SYSINDEXES A INNER JOIN SYSINDEXKEYS B ON A.INDID=B.INDID AND A.ID=B.ID
WHERE A.ID=OBJECT_ID('''+@SchemeName+'.'+@TBName+''') and a.indid<>0 /*如果该表是一个分区表，就必须添加条件：and b.keyno<>0*/
) t
ORDER BY INDID,KEYNO'
EXEc sp_executesql @sql_cmd,N'@index_script varchar(max) output',@sql_cmd output
set @index_script=@sql_cmd
IF len(@index_script)>0
set @index_script=@index_script+')'+char(13)+char(10)
--+'go'
+char(13)+char(10)+char(13)+char(10)
--生成默认值约束
set @sql_cmd='
use '+@DBName+'
declare @scheme nvarchar(32)
declare @partitionField nvarchar(32)
set @partitionField='''+@PartitionField+'''
set @scheme='''+@SchemeName+'''
set @default_script=''''
SELECT @default_script=@default_script
+''ALTER TABLE ''+@scheme+''.''+OBJECT_NAME(O.PARENT_OBJ)
+'' ADD CONSTRAINT ''+O.NAME+'' default ''+t.text+'' for ''+C.NAME+char(13)+char(10)+char(13)+char(10)
FROM SYSOBJECTS O INNER JOIN SYSCOMMENTS T ON O.ID=T.ID
INNER JOIN SYSCOLUMNS C ON O.PARENT_OBJ=C.ID AND C.CDEFAULT=T.ID
WHERE O.XTYPE=''D'' AND O.PARENT_OBJ=OBJECT_ID('''+@SchemeName+'.'+@TBName+''')'
EXEc sp_executesql @sql_cmd,N'@default_script varchar(max) output',@sql_cmd output
set @default_script=@sql_cmd+char(13)+char(10) set @SQL=@table_script+@index_script+@default_script
declare @len int,@n int
set @len=LEN(@SQL)
set @n=0
while(@len>0)
BEGIN
PRINT(substring(@SQL,@n*4000+1,4000));
set @n=@n+1
set @len=@len-4000;
END
End
该函数的原创作者：http://www.cnblogs.com/champaign/p/3492510.html
本人及修改了一部分内容，让该存储过程更灵活点。
公司DBA支持给建议不要用sysindexkeys来查找对应的列，而是使用syscolumns来提到：
比如：select * from syscolumns where id=object_id('dx.Article');
select * from sys.index_columns where object_id=object_id('dx.Article');