這存儲過程up_ModifyPrimaryColumn會生成轉換的執行代碼，可以使用Copy方式拿執行代碼到查詢分析器中檢查和執行。

?

Use?Test
Go
if?object_ID('[up_ModifyPrimaryColumn]')?is?not?null
????Drop?Procedure?[up_ModifyPrimaryColumn]
Go
Create?Proc?up_ModifyPrimaryColumn
(
????@objectname?sysname=null,
????@columnname?sysname=null,
????@type_new?sysname=null
)
As
/*
修改表主鍵字段數據類型(V2.0)?Andy?2009-3-6?

說明：在原版腳本的基礎上，不刪除原表，以確保原來的數據可日后還原。

Step:
1.?Drop?Constraint?and?Index?
?
2.?Insert?Into?tempTables
?
3.?Update?tmpTables
?
4.?Create?Table?Tables_new
?
5.?Insert?Into?Tables_new
?
6.?Drop?Table?Tables_old?and?Tables_temp
?
7.?rename?Tables_new
?
8.?Create?Constraint/Index
?
*/
????Set?Nocount?On
????Declare????@objectid?int,
????????????@columnid?int,
????????????@type_old?nvarchar(512),
????????????@typeid_old?int,
????????????@typeid_new?int,
????????????@Enter?nvarchar(10),
????????????@Tab?nvarchar(10),
????????????@Spacebar?nvarchar(10),
????????????@Date?nvarchar(8)
?
????Select????@Enter=Char(13)+Char(10),
????????????@Tab=Char(9),
????????????@Spacebar=Char(32),
????????????@Date=Convert(char(8),Getdate(),112)
?
????Select?@objectid=object_id,@objectname=name
????????From?sys.objects?As?a
????????Where?name=@objectname?And?type='U'?And?is_ms_shipped=0?And
????????Not?Exists(Select?1?
????????????????????????From?sys.extended_properties?
????????????????????????Where?major_id=a.Object_id?
????????????????????????????And?minor_id=0?
????????????????????????????And?class=1?
????????????????????????????And?Name?=?N'microsoft_database_tools_support'
????????????????????)
?
????If?@objectid?Is?null
????Begin
????????Raiserror?50001?N'無效的表名!'
????????Return?
????End
????
????If?not?Exists(Select?1?From?sys.columns?Where?object_id=@objectid?And?name=@columnname)
????Begin
????????Raiserror?50001?N'無效的字段名!'
????????Return
????End
????
????If?Not?Exists(Select?1?
????????????????????From?sys.indexes?As?a??
????????????????????????Inner?Join?sys.index_columns?As?b?On?b.object_id=a.object_id?
????????????????????????????And?b.index_id=a.index_id??
????????????????????????????And?b.index_id=1??
????????????????????????????And?a.is_primary_key=1
????????????????????????Inner?Join?sys.columns?As?c?On?c.object_id=b.object_id?
????????????????????????????And?c.column_id=b.column_id
????????????????????Where?a.object_id=@objectid??
????????????????????????????And?c.name=@columnname
?????????????????)
????Begin
????????Raiserror?50001?N'非主鍵字段，不需要調用當前存儲過程來修改數據類型.'
????????Return
????End

????
????Exec('Declare?@x?'+@type_new)
????If?@@Error>0
????Begin
????????Print?N'數據類型定義錯誤!'
????????Return
????End
?
????Set?@typeid_new=type_id(Left(@type_new+'(',Charindex('(',@type_new+'(')-1))
?
????If?Object_id('tempdb..#ScriptTable')?Is?Not?null
????????Drop?Table?#ScriptTable
????Create?Table?#ScriptTable?(id?int?Identity(1,1)?Primary?Key,[content]?nvarchar(4000))
?
????/*?1.?Drop?Constraint?and?Index?*/
?
????If?Object_id('tempdb..#Tables')?Is?Not?null
????????Drop?Table?#Tables
????Create?Table?#Tables
????(
????????objectid?int?Primary?Key,
????????objectname?sysname,
????????columnid?int?,
????????columnname?sysname,
????????typeid_new?int,
????????type?sysname,
????????TypeDefinition_new?nvarchar(512),
????????Flag?bit,
????????IsIdentity_new?bit,
????????IsRowGuidCol_new?bit
????)
????
????Insert?Into?#Tables
????????Select????a.object_id,object_name(a.object_id),a.column_id,a.name,a.user_type_id,b.name,
????????????????@type_new?+
????????????????????Case?
????????????????????????When?@typeid_new?In(48,52,56,59,62,106,108,127)?And?a.object_id=@objectid?Then?'?Not?null?Identity(1,1)'
????????????????????????When?@typeid_new?=36?And?a.object_id=@objectid?Then?'?Rowguidcol?Not?null?'
????????????????????????Else?''
????????????????????End,?
????????????????Case?a.object_id?When?@objectid?Then?1?Else?0?End,
????????????????Case?When?@typeid_new?In(48,52,56,59,62,106,108,127)?Then?1?Else?0?End,
????????????????Case?When?@typeid_new?=36?Then?1?Else?0?End
????????????From?sys.columns?As?a
????????????????Inner?Join?sys.types?As?b?On?b.user_type_id=a.user_type_id
????????????Where?(a.object_id=@objectid?And?a.name=@columnname)?Or?
????????????????????Exists????(Select?1?
????????????????????????????????From?sys.foreign_key_columns?
????????????????????????????????Where?parent_object_id=a.object_id??And
????????????????????????????????????????Referenced_object_id=@objectid?And?parent_column_id=a.column_id
????????????????????????????)
?
????Insert?Into?#ScriptTable
????????Select?'Use?'+Quotename(db_name())+@Enter+'Go'
?
????Insert?Into?#ScriptTable
????Select?'If?object_id('''+Quotename(a.name)+''')?Is?Not?Null?Alter?Table?'+
????????????Quotename(object_name(a.parent_object_id))+'?Drop?Constraint?'+Quotename(a.name)+@Enter+'Go'
????????From?sys.objects?As?a
????????????Left?Outer?Join?#Tables?As?b?On?b.objectid=a.Parent_object_id
????????Where?a.type?In('PK','F?','D?','C?','UQ')?And?
????????????????(????Exists(Select?1?From?#Tables?Where?objectid=a.Parent_object_id)?Or?
????????????????????Exists(Select?1?
????????????????????????????????From?sys.foreign_keys?as?x?
????????????????????????????????????Inner?Join?#Tables?As?y?On?y.objectid=x.referenced_object_id?
????????????????????????????????????????And?x.object_id=a.object_id
??????????????????????????)
????????????????)
????????Order?By?b.Flag?,
????????????Case?a.type?
????????????????????When?'D?'?Then?1?
????????????????????When?'C?'?Then?2
????????????????????When?'UQ'?Then?3
????????????????????When?'F?'?Then?4
????????????????????When?'PK'?Then?5
????????????????????Else?6?
????????????????End
????
????????

????Insert?Into?#ScriptTable
????Select?'If?Exists(Select?1?From?sys.indexes?Where?object_id=object_id('''+b.objectname+''')?And?name='''+
????????????a.name+''')?Drop?Index?'+Quotename(b.objectname)+'.'+Quotename(a.name)
????????From?sys.indexes?As?a
????????????Inner?Join?#Tables?As?b?On?b.objectid=a.object_id
????????Where?a.name?Is?Not?null
????????Order?By?b.Flag
?
????Insert?Into?#ScriptTable?Select?'Go'
????
????/*?2.?Insert?Into?tempTables?*/
????Insert?Into?#ScriptTable
????Select?'If?Object_id(''Tempdb..[#'+objectname+']'')?Is?Not?Null?Drop?Table?[#'+objectname+']'+@Enter+@Tab+
????????????Case?Flag
????????????????When?1?Then?
????????????????????Case?
????????????????????????When?IsRowGuidCol_new?=1?Then?
????????????????????????????'Select?*,Newid()?As?['+columnname+'_new]?Into?[#'+objectname+']?From?'+Quotename(objectname)
????????????????????????When?IsIdentity_new?=1?Then?
????????????????????????????'Select?*,Row_number()?Over(Order?By?'+Quotename(columnname)+')?As?['+columnname+'_new]?Into?[#'+objectname+']?From?'+
????????????????????????????????Quotename(objectname)
????????????????????????Else?''
????????????????????End
????????????????Else?'Select?*,Convert('+TypeDefinition_new+',null)?As?['+columnname+'_new]?Into?[#'+objectname+']?From?'+
????????????????????????????Quotename(objectname)
????????????End+@Enter
????????From?#Tables
????Insert?Into?#ScriptTable?Select?'Go'
????
????/*?3.?Update?tmpTables?*/
????Insert?Into?#ScriptTable
????Select?'Update?a?Set?a.['+columnname+'_new]=b.['+@columnname+'_new]?From?[#'+objectname+']?As?a?Inner?Join?[#'+
????????????????@objectname+']?As?b?On?b.'+Quotename(@columnname)+'=a.'+Quotename(columnname)
????????From?#Tables?
????????Where?Flag=0
????Insert?Into?#ScriptTable?Select?'Go'
????
?
?
????/*?4.?Create?Table?Tables_new?*/
?
????If?Object_id('tempdb..#ObjectDefinition')?Is?Not?null
????????Drop?Table?#ObjectDefinition
?
????Select??a.object_id?As?objectid,a.column_id?As?columnid,a.name?As?columnname,
????????--Column_name
????????Case?
????????????When?a.column_id=e.columnid?Then?Quotename(a.name)+@Spacebar+e.TypeDefinition_new?
????????????Else
????????????????Quotename(a.name)+@Spacebar+b.name+
????????????????--data_length
????????????????Case?
????????????????????When?a.user_type_id?In?(127,104,61,34,56,60,99,59,58,52,122,98,35,189,48,36,241)?Then?''
????????????????????When?a.user_type_id?In?(106,108)?Then?'('+Rtrim(a.precision)+','+Rtrim(a.scale)+')'
????????????????????When?a.user_type_id?In?(239,231)?Then?'('+Rtrim(a.max_length/2)+')'
????????????????????When?a.max_length<>b.max_length?Then??'('+Rtrim(a.max_length)+')'
????????????????????Else?''
????????????????End
????????End?+@Spacebar+
????????--Rowguidcol
????????Case?a.is_rowguidcol?When?1?Then?'Rowguidcol'+@Spacebar?Else?''?End?+
????????--Identity
????????Case?a.is_identity?When?1?Then?'Identity('+Convert(nvarchar(10),c.seed_value)+','+
????????????????Convert(nvarchar(10),c.increment_value)+')'+@Spacebar?Else?''?End?+
????????--Collate
????????--Isnull('Collate?'+a.collation_name+@Spacebar,'')+
????????--Null
????????Case?a.is_nullable?When?1?Then?'Null'?Else?'Not?Null'?End?+@Spacebar
????????--Default
????????As?column_definition
????????Into?#ObjectDefinition
????From?sys.columns?As?a
????????Inner?Join?sys.types?As?b?On?b.user_type_id=a.user_type_id
????????Left?Outer?Join?sys.Identity_columns?As?c?On?c.object_id=a.object_id?And?c.column_id=a.column_id
????????Inner?Join?#Tables?As?e?On?e.objectid=a.object_id
????????Order?By?a.object_id,a.column_id

????Create?Clustered?Index?IX_#ObjectDefinition_ObjectidColumnid?On?#ObjectDefinition(objectid?Asc,columnid?Asc)
?
????Insert?Into?#ScriptTable
????Select?'If?Object_id(''['+objectname+'_new]'')?Is?Not?Null?Drop?Table?['+objectname?+'_new]'+@Enter+
????????????'Create?Table?['+objectname?+'_new]'+@Enter+'('+@Enter+@Tab+b.column_definition+@Enter+')'
????????From?#Tables?As?a
????????Outer?Apply(Select?column_definition=
????????????????????????Stuff((Select?','+Case??
????????????????????????????????????????????When?a.Flag=1?And?columnid=a.columnid?Then?
????????????????????????????????????????????????a.columnname+@Spacebar+TypeDefinition_new?
????????????????????????????????????????????Else?column_definition?
??????????????????????????????????????????End+Char(10)+@Tab?
????????????????????????????????????From?#ObjectDefinition?
????????????????????????????????????Where?objectid=a.objectid?For?Xml?Path(''))
????????????????????????????,1,1,'')
????????????????????)?As?b
????Insert?Into?#ScriptTable?Select?'Go'
?
????
????/*?5.?Insert?Into?Tables_new?*/
????Insert?Into?#ScriptTable
????Select?
????????????Case?
????????????????When?Flag=1?And?IsIdentity_new?=?1?Then?'Set?Identity_insert?['+objectname+'_new]?On?'+@Enter?
????????????????When?Flag=0?And?Exists(Select?1?
????????????????????????????????????????????From?sys.columns?
????????????????????????????????????????????Where?object_id=a.objectid?And?
????????????????????????????????????????????????Is_Identity=1
????????????????????????????????????????)?Then?'Set?Identity_insert?['+objectname+'_new]?On?'+@Enter
????????????????Else?''
????????????End+
????????????'Insert?Into?['+objectname+'_new]?('+columnListA+')?Select?'+columnListB+'?From?[#'+objectname+']'++@Enter+
????????????Case?
????????????????When?Flag=1?And?IsIdentity_new?=?1?Then?'Set?Identity_insert?['+objectname+'_new]?Off?'?
????????????????When?Flag=0?And?Exists(Select?1?
????????????????????????????????????????????From?sys.columns?
????????????????????????????????????????????Where?object_id=a.objectid?
????????????????????????????????????????????????And?Is_Identity=1
????????????????????????????????????????)?Then?'Set?Identity_insert?['+objectname+'_new]?Off?'
????????????????Else?''
????????????End
????????From?#Tables?As?a
????????Outer?Apply(Select?columnListA=Stuff((Select?','+Quotename(columnname)?
????????????????????????????????????????????????????From?#ObjectDefinition?
????????????????????????????????????????????????????Where?objectid=a.objectid?
????????????????????????????????????????????????????For?Xml?Path('')),1,1,'')
????????????????????)?As?b
????????Outer?Apply(Select?columnListB=Stuff((Select?','+Quotename(columnname+Case?columnid?When?a.columnid?Then?'_new'?Else?''?End)?
????????????????????????????????????????????????????From?#ObjectDefinition?
????????????????????????????????????????????????????Where?objectid=a.objectid?
????????????????????????????????????????????????????For?Xml?Path('')),1,1,'')
????????????????????)?As?c
????Insert?Into?#ScriptTable?Select?'Go'
?
?
????/*?6.?Drop?Table?Tables_old?and?Tables_temp?*/
????Insert?Into?#ScriptTable
????Select?'If?object_id('''+Quotename(objectname)+''')?Is?Not?Null?'+@Enter+@Tab+'Drop?Table?'+
--????????????Quotename(objectname)+@Enter+'Drop?Table?[#'+objectname+']'
????????????'[#'+objectname+']'
????????From?#Tables
????????Order?By?Flag?
????Insert?Into?#ScriptTable?Select?'Go'
?
????/*?7.?rename?Tables_new?*/
????Insert?Into?#ScriptTable
????Select?N'Begin?Try'?Union?All?Select?Char(9)?+N'Begin?Transaction'
????
????Insert?Into?#ScriptTable
????Select?'If?object_id(''['+objectname+']'')?Is?Not?Null?And?object_id(''['+objectname+@Date+']'')?Is?Null?Exec?sp_rename?'''+objectname+''','''+objectname+@Date+''',''OBJECT'''
????????From?#Tables
????????Order?By?Flag?

????Insert?Into?#ScriptTable
????Select?'If?object_id(''['+objectname+'_new]'')?Is?Not?Null?And?object_id(''['+objectname+']'')?Is?Null??Exec?sp_rename?'''+objectname+'_new'','''+objectname+''',''OBJECT'''
????????From?#Tables
????????Order?By?Flag?
?
????Insert?Into?#ScriptTable
????????Select?Char(9)+N'Commit?Transaction'?Union?All?
????????Select?N'End?Try'?Union?All?
????????Select?N'Begin?Catch'?Union?All?
????????Select?N'Print?N''重命名表的時候發生錯誤!'''?Union?All?
????????Select?N'Rollback?Transaction'?Union?All?
????????Select?N'End?Catch'?Union?All?
????????Select?'Go'

?
????/*?8.?Create?Constraint/Index?*/
????
????If?Object_id('tempdb..#indexes')?Is?Not?null
????????Drop?Table?#indexes
?
????Select??id=Identity(int,1,1),
????????????a.object_id?As?objectid,
????????????a.name?As?Index_name,a.Index_id,
????????????a.type_desc?Collate?Chinese_Taiwan_Stroke_CI_AS?As?type_desc,?--當應用在不同的語言下，這里需要修改.
????????????Case?a.is_unique?When?1?Then?'Unique'?Else?''?End?As?is_unique,
????????????null?As?data_space,--e.name?As?data_space,
????????????Case?a.is_primary_key?When?1?Then?N'Primary?Key'??Else?null?End?As?is_primary_key,
????????????Case?a.is_unique_constraint?When?1?Then?N'Unique'??Else?null?End?As?is_unique_constraint,
????????????a.fill_factor,a.is_padded,a.is_disabled,a.is_hypothetical,a.allow_row_locks,a.allow_page_locks,
????????????b.index_column_id,Case?b.is_descending_key?When?0?Then?N'Asc'?Else?N'Desc'?End?As?descending,b.is_included_column,
????????????Quotename(c.name)?As?column_name
????????????Into?#indexes
????????From?sys.indexes?As?a
????????????Inner?Join?sys.index_columns?As?b?On?b.object_id=a.object_id?And?b.index_id=a.index_id
????????????Inner?Join?sys.columns?As?c?On?c.object_id=b.object_id?And?c.column_id=b.column_id
????????????Inner?Join?sys.data_spaces?As?d?On?d.data_space_id=a.data_space_id
????????????Inner?Join?sys.filegroups?As?e?On?e.data_space_id=d.data_space_id
????????Where
????????????Exists(Select?1?From??#Tables??Where?objectid=a.object_id)
?
????
????Insert?Into?#ScriptTable
????Select?
????????????--Default
????????????Case?When?c1.name?Is?null?Then?''?Else?'If?object_id('''+Quotename(a.name)+''')?Is?Null?Alter?Table?'+
????????????????????Quotename(object_name(a.parent_object_id))+'?Add?Constraint?'+Quotename(c1.name)+
????????????????????'?Default?'+c1.definition+'?For?'+Quotename(c2.name)+@Enter?End+
????????????--Check
????????????Case?When?d.name?Is?null?Then?''?Else?'If?object_id('''+Quotename(a.name)+''')?Is?Null?Alter?Table?'+
????????????????????Quotename(object_name(a.parent_object_id))+'?Add?Constraint?'+Quotename(d.name)+
????????????????????'?Check?'+d.definition+@Enter?End+
????????????--Unique?Key/Primary?Key
????????????Case?
????????????????When?e1.name?Is?null?Then?''?
????????????????Else?'If?object_id('''+Quotename(a.name)+''')?Is?Null?Alter?Table?'+
????????????????????Quotename(object_name(a.parent_object_id))+'?Add?Constraint?'+
????????????????????Quotename(a.Name)+@Spacebar+Isnull(e2.is_primary_key,e2.is_unique_constraint)+@Spacebar+
????????????????????e2.type_desc+@Spacebar+'('+e3.column_constraint+')'+@Spacebar+Isnull('On?'+Quotename(e2.data_space)+@Enter,'')?
????????????End
????????????
????????From?sys.objects?As?a
????????????Inner?Join?#Tables?As?b?On?b.objectid=a.parent_object_id
????????????Left?Outer?Join?sys.Default_constraints?As?c1?On?c1.object_id=a.object_id?And?a.Type='D'?And?c1.Parent_column_id<>b.columnid
????????????Left?Outer?Join?sys.columns?As?c2?On?c2.object_id=c1.parent_object_id?And?c2.column_id=c1.parent_column_id
????????????Left?Outer?Join?sys.check_constraints?As?d?On?d.object_id=a.object_id?And?a.Type='C'?And?c1.Parent_column_id<>b.columnid
????????????Left?Outer?Join?sys.key_constraints?As?e1?On?e1.object_id=a.object_id?And?a.Type?In('UQ','PK')
????????????Left?Outer?Join?#indexes?As?e2?On?e2.index_id=e1.unique_index_id?
????????????????????And?e2.objectid=e1.parent_object_id?
????????????????????And?e2.id=(Select?Max(id)?From?#indexes?Where??objectid=e2.objectid?And?index_id=e2.index_id)
????????????Outer?Apply(Select?column_constraint=Stuff((Select?','+column_name+@Spacebar+descending????
????????????????????????????????From?#indexes?
????????????????????????????????Where?objectid=e2.objectid?And?index_id=e2.index_id?
????????????????????????????????For?xml?Path('')),1,1,'')
????????????????????????)?As?e3
????????Where?a.Type?In('D?','C?','UQ','PK')
????????Order?By?b.Flag?Desc,
????????????????Case?a.type?
????????????????????When?'D?'?Then?1?
????????????????????When?'C?'?Then?2
????????????????????When?'UQ'?Then?3
????????????????????When?'PK'?Then?4
????????????????????Else?5?
????????????????End

????--Foreign?Key
????Insert?Into?#ScriptTable
????Select?
????????????Case?When?f1.name?Is?null?Then?''?Else?'If?object_id('''+Quotename(a.name)+''')?Is?Null?Alter?Table?'+
????????????????????Quotename(object_name(a.parent_object_id))++'?With?'+
????????????????????Case?f1.is_disabled?When?0?Then?'Check?'?Else?'Nocheck?'?End+
????????????????????'Add?Constraint?'+Quotename(a.name)+'?Foreign?Key?'+'('+f2.Foreign_column+')?References?'+
????????????????????Quotename(object_name(f1.referenced_object_id))+'('+f3.referenced_column+')'+'?On?Delete?'+
????????????????????Replace(f1.delete_referential_action_desc,'_','?')+'?On?Update?'+
????????????????????Replace(f1.update_referential_action_desc,'_','?')+@Enter?
????????????End?
????????From?sys.objects?As?a
????????????Left?Outer?Join?#Tables?As?b?On?b.objectid=a.parent_object_id
????????????Inner?Join?sys.foreign_keys?As?f1?On?f1.object_id=a.object_id
????????????Outer?Apply(Select?Foreign_column=Stuff((Select?','+Quotename(y.name)?
????????????????????????????????From?sys.foreign_key_columns?x??
????????????????????????????????????Inner?Join?sys.columns?As?y?On?y.object_id=x.parent_object_id?
????????????????????????????????????????And?y.column_id=x.Parent_column_id?
????????????????????????????????Where?x.constraint_object_id=a.object_id?
????????????????????????????????For?xml?Path('')),1,1,'')
????????????????????????)?As?f2

????????????Outer?Apply(Select?referenced_column=Stuff((Select?','+Quotename(y.name)?
????????????????????????????????From?sys.foreign_key_columns?x??
????????????????????????????????????Inner?Join?sys.columns?As?y?On?y.object_id=x.referenced_object_id?
????????????????????????????????????????And?y.column_id=x.referenced_column_id?
????????????????????????????????Where?x.constraint_object_id=a.object_id?
????????????????????????????????For?xml?Path('')),1,1,'')
????????????????????????)?As?f3
????????Where??a.Type='F?'?And?
????????????????????(????Exists(Select?1?From?#Tables?Where?objectid=a.Parent_object_id)?Or?
????????????????????????Exists(Select?1?
????????????????????????????????????From?sys.foreign_keys?as?x?
????????????????????????????????????????Inner?Join?#Tables?As?y?On?y.objectid=x.referenced_object_id?
????????????????????????????????????????????And?x.object_id=a.object_id
???????????????????????????????)
????????????????????)
????????Order?By?b.Flag?Desc
????Insert?Into?#ScriptTable?Select?'Go'
????--Index
????Insert?Into?#ScriptTable
????Select????Distinct?
????????????'Create?'+is_unique+@Spacebar+a.type_desc?+?@Spacebar+
????????????'Index?'+Quotename(a.index_name)+'?On?'+Quotename(object_name(a.objectid))+@Spacebar+
????????????'('+b.[column]+')'+@Spacebar+
????????????Isnull('Include?('+c.Clustered_column+')'+@Spacebar,'')+
????????????Isnull('On?'+Quotename(a.data_space),'')
?
????????From?#indexes?As?a?
????????????Outer?Apply(Select?[column]=Stuff((Select?','+column_name?
????????????????????????????????????????????????????From?#indexes?
????????????????????????????????????????????????????Where?objectid=a.objectid?
????????????????????????????????????????????????????????And?index_id=a.index_id?
????????????????????????????????????????????????????????And?is_included_column=0?
????????????????????????????????????????????????????For?Xml?Path('')),1,1,'')
????????????????????????)?As?b
????????????Outer?Apply(Select?Clustered_column=Stuff((Select?','+column_name?
????????????????????????????????????????????????????????????From?#indexes?
????????????????????????????????????????????????????????????Where?objectid=a.objectid?
????????????????????????????????????????????????????????????????And?index_id=a.index_id?
????????????????????????????????????????????????????????????????And?is_included_column=1?
????????????????????????????????????????????????????????????For?Xml?Path('')),1,1,'')
????????????????????????)?As?c
????????Where?Not?Exists(Select?1?
????????????????????????????From?sys.key_constraints?As?x?
????????????????????????????????Inner?Join?#Tables?As?y?On?y.objectid=x.parent_object_id?
????????????????????????????????????????And?x.parent_object_id=a.objectid?
????????????????????????????????????????And?x.unique_index_id=a.index_id
????????????????????????)
?
????Insert?Into?#ScriptTable?Select?'Go'
?
????--Print
????Declare????@Print?nvarchar(4000),
????????????@i?int
?????
????Select?@i=1,@Print=[content]?From?#ScriptTable?Where?id=1
????While?@Print>''
????Begin
????????Print?@Print
????????Set?@i=@i+1
????????Set?@Print=(Select?[content]?From?#ScriptTable?Where?id=@i)
????End
?
????Drop?Table????#Tables,
????????????????#ObjectDefinition,
????????????????#indexes,
????????????????#ScriptTable
????/*
????e.g:
????Use?Test
????Go
????Exec?up_ModifyPrimaryColumn
????????????@objectname='Test1',
????????????@columnname='id',
????????????@type_new='uniqueidentifier'
????*/
?
Go

?

?

?

轉載于:https://www.cnblogs.com/wghao/archive/2009/06/02/1494921.html

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