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모든 테이블에 할당된 index 를 쿼리로 추출하기 mssql 본문

데이터베이스/MS-SQL

모든 테이블에 할당된 index 를 쿼리로 추출하기 mssql

재우니 2017.12.11 14:14


모든 테이블에 할당된 index 를 쿼리로 추출하기

declare @SchemaName varchar(100)declare @TableName varchar(256)
declare @IndexName varchar(256)
declare @ColumnName varchar(100)
declare @is_unique varchar(100)
declare @IndexTypeDesc varchar(100)
declare @FileGroupName varchar(100)
declare @is_disabled varchar(100)
declare @IndexOptions varchar(max)
declare @IndexColumnId int
declare @IsDescendingKey int
declare @IsIncludedColumn int
declare @TSQLScripCreationIndex varchar(max)
declare @TSQLScripDisableIndex varchar(max)

declare CursorIndex cursor for
select schema_name(t.schema_id) [schema_name], t.name, ix.name,
case when ix.is_unique = 1 then 'UNIQUE ' else '' END
, ix.type_desc,
case when ix.is_padded=1 then 'PAD_INDEX = ON, ' else 'PAD_INDEX = OFF, ' end
+ case when ix.allow_page_locks=1 then 'ALLOW_PAGE_LOCKS = ON, ' else 'ALLOW_PAGE_LOCKS = OFF, ' end
+ case when ix.allow_row_locks=1 then 'ALLOW_ROW_LOCKS = ON, ' else 'ALLOW_ROW_LOCKS = OFF, ' end
+ case when INDEXPROPERTY(t.object_id, ix.name, 'IsStatistics') = 1 then 'STATISTICS_NORECOMPUTE = ON, ' else 'STATISTICS_NORECOMPUTE = OFF, ' end
+ case when ix.ignore_dup_key=1 then 'IGNORE_DUP_KEY = ON, ' else 'IGNORE_DUP_KEY = OFF, ' end
+ 'SORT_IN_TEMPDB = OFF, FILLFACTOR =' + CAST(ix.fill_factor AS VARCHAR(3)) AS IndexOptions
, ix.is_disabled , FILEGROUP_NAME(ix.data_space_id) FileGroupName
from sys.tables t
inner join sys.indexes ix on t.object_id=ix.object_id
where ix.type>0 and ix.is_primary_key=0 and ix.is_unique_constraint=0 --and schema_name(tb.schema_id)= @SchemaName and tb.name=@TableName
and t.is_ms_shipped=0 and t.name<>'sysdiagrams'
order by schema_name(t.schema_id), t.name, ix.name

open CursorIndex
fetch next from CursorIndex into @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName

while (@@fetch_status=0)
begin
declare @IndexColumns varchar(max)
declare @IncludedColumns varchar(max)
set @IndexColumns=''
set @IncludedColumns=''
declare CursorIndexColumn cursor for
select col.name, ixc.is_descending_key, ixc.is_included_column
from sys.tables tb
inner join sys.indexes ix on tb.object_id=ix.object_id
inner join sys.index_columns ixc on ix.object_id=ixc.object_id and ix.index_id= ixc.index_id
inner join sys.columns col on ixc.object_id =col.object_id and ixc.column_id=col.column_id
where ix.type>0 and (ix.is_primary_key=0 or ix.is_unique_constraint=0)
and schema_name(tb.schema_id)=@SchemaName and tb.name=@TableName and ix.name=@IndexName
order by ixc.index_column_id
open CursorIndexColumn
fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
while (@@fetch_status=0)
begin
if @IsIncludedColumn=0
set @IndexColumns=@IndexColumns + @ColumnName + case when @IsDescendingKey=1 then ' DESC, ' else ' ASC, ' end
else
set @IncludedColumns=@IncludedColumns + @ColumnName +', '

fetch next from CursorIndexColumn into @ColumnName, @IsDescendingKey, @IsIncludedColumn
end

close CursorIndexColumn
deallocate CursorIndexColumn

set @IndexColumns = substring(@IndexColumns, 1, len(@IndexColumns)-1)
set @IncludedColumns = case when len(@IncludedColumns) >0 then substring(@IncludedColumns, 1, len(@IncludedColumns)-1) else '' end
-- print @IndexColumns
-- print @IncludedColumns

set @TSQLScripCreationIndex =''
set @TSQLScripDisableIndex =''
set @TSQLScripCreationIndex='CREATE '+ @is_unique +@IndexTypeDesc + ' INDEX ' +QUOTENAME(@IndexName)+' ON ' + QUOTENAME(@SchemaName) +'.'+ QUOTENAME(@TableName)+ '('+@IndexColumns+') '+
case when len(@IncludedColumns)>0 then CHAR(13) +'INCLUDE (' + @IncludedColumns+ ')' else '' end + CHAR(13)+'WITH (' + @IndexOptions+ ') ON ' + QUOTENAME(@FileGroupName) + ';'

if @is_disabled=1
set @TSQLScripDisableIndex= CHAR(13) +'ALTER INDEX ' +QUOTENAME(@IndexName) + ' ON ' + QUOTENAME(@SchemaName) +'.'+ QUOTENAME(@TableName) + ' DISABLE;' + CHAR(13)

print @TSQLScripCreationIndex
print @TSQLScripDisableIndex

fetch next from CursorIndex into @SchemaName, @TableName, @IndexName, @is_unique, @IndexTypeDesc, @IndexOptions,@is_disabled, @FileGroupName

end
close CursorIndex
deallocate CursorIndex


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