生成索引信息及索引创建脚本
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2024-01-19 17:03:22
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create proc p_helpindex @tbname sysname = ,@type char(1) = 1as--生成索引信息及索引创建脚本--@tbname 表名,空返回所有表索引--@type 是否显示聚集索引,1显示聚集索引,2不显示聚集索引--调用:p_helpindex dbo.customers,1with t as (select rank() ove
create proc p_helpindex @tbname sysname ='' ,@type char(1) = '1' as --生成索引信息及索引创建脚本 --@tbname 表名,空返回所有表索引 --@type 是否显示聚集索引,1显示聚集索引,2不显示聚集索引 --调用:p_helpindex 'dbo.customers','1' with t as ( select rank() over (order by b.name,a.name,c.name) as id,c.index_id, b.name as schema_name,a.name as table_name,c.fill_factor,c.is_padded, c.name as ix_name,c.type,e.name as column_name,d.index_column_id,c.is_primary_key, d.is_included_column,f.name as filegroup_name,c.is_unique,c.ignore_dup_key, d.is_descending_key as is_descending_key,c.allow_row_locks,c.allow_page_locks from sys.tables as a inner join sys.schemas as b on a.schema_id=b.schema_id and a.is_ms_shipped=0 inner join sys.indexes as c on a.object_id=c.object_id inner join sys.index_columns as d on d.object_id=c.object_id and d.index_id=c.index_id inner join sys.columns as e on e.object_id=d.object_id and e.column_id=d.column_id inner join sys.data_spaces as f on f.data_space_id=c.data_space_id where a.object_id like '%'+isnull(ltrim(object_id(@tbname)),'')+'%' and c.is_hypothetical=0 and is_disabled=0 and c.type>=@type ) select distinct a.schema_name,a.table_name,a.ix_name, case a.type when 1 then 'clustered' when 2 then 'nonclustered' else '' end as index_type, case a.is_primary_key when 0 then 'no' else 'yes' end as is_primary_key, m.ix_index_column_name,isnull(m.ix_index_include_column_name,'') as ix_index_include_column_name, a.filegroup_name,replace('create '+ case when is_unique=1 then 'unique ' else '' end + case when a.type=1 then 'clustered' else 'nonclustered' end +' index ' + a.ix_name+' on '+a.schema_name+'.'+a.table_name+'('+m.ix_index_column_name+')' + case when m.ix_index_include_column_name is null then '' else 'include('+m.ix_index_include_column_name+')'end + case when fill_factor>0 or ignore_dup_key=1 or is_padded=1 or allow_row_locks=0 or allow_page_locks=0 then 'with(' else '' end + case when fill_factor>0 then ',fillfactor='+rtrim(fill_factor) else '' end + case when is_padded=1 then ',pad_index=on' else '' end + case when ignore_dup_key=1 then ',ignore_dup_key=on' else '' end + case when allow_row_locks=0 then ',allow_row_locks=off' else '' end + case when allow_page_locks=0 then ',allow_page_locks=off' else '' end + case when fill_factor>0 or ignore_dup_key=1 or is_padded=1 or allow_row_locks=0 or allow_page_locks=0 then ')' else '' end,'with(,','with(') as sqlscript from t as a outer apply ( select ix_index_column_name= stuff(replace(replace( ( select case when b.is_descending_key =1 then column_name + ' desc' else column_name end as column_name from t as b where a.id=b.id and is_included_column=0 order by index_column_id for xml auto ), '', ''), 1, 1, '') ,ix_index_include_column_name= stuff(replace(replace( ( select column_name from t as b where a.id=b.id and is_included_column=1 order by index_column_id for xml auto ), '', ''), 1, 1, '') )m order by a.schema_name,a.table_name,a.ix_name --测试: create database db_test go use db_test go create table tb(id int primary key,col_1 varchar(20),col_2 varchar(30),col_3 varchar(30)) go insert into tb select 1,'a','b','c' go create index ix_01 on tb(col_1) create index ix_03 on tb(col_1,col_2 desc) create index ix_02 on tb(col_1)include(col_2)with(fillfactor=80,pad_index=on) create unique index ix_04 on tb(col_1,col_3)include(col_2)with(ignore_dup_key=on) go --执行这个脚本的结果 p_helpindex tb /*--生成的创建脚本 create nonclustered index ix_01 on dbo.tb(col_1) create nonclustered index ix_02 on dbo.tb(col_1)include(col_2)with(fillfactor=80,pad_index=on) create nonclustered index ix_03 on dbo.tb(col_1,col_2 desc) create unique nonclustered index ix_04 on dbo.tb(col_1,col_3)include(col_2)with(ignore_dup_key=on) create unique clustered index PK__tb__7C8480AE on dbo.tb(id) */
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