해당 인덱스를 넘기면 인덱스 쿼리를 반환한다.
with 구문이 잘 안맞는거 같아서 약간 수정하였다.
SELECT
DB_NAME() AS database_name,
sc.name + N'.' + t.name AS table_name,
(SELECT MAX(user_reads)
FROM (VALUES (last_user_seek), (last_user_scan), (last_user_lookup)) AS value(user_reads)) AS last_user_read,
last_user_update,
CASE si.index_id WHEN 0 THEN N'/* No create statement (Heap) */'
ELSE
CASE is_primary_key WHEN 1 THEN
N'ALTER TABLE ' + QUOTENAME(sc.name) + N'.' + QUOTENAME(t.name) + N' ADD CONSTRAINT ' + QUOTENAME(si.name) + N' PRIMARY KEY ' +
CASE WHEN si.index_id > 1 THEN N'NON' ELSE N'' END + N'CLUSTERED '
ELSE N'CREATE ' +
CASE WHEN si.is_unique = 1 then N'UNIQUE ' ELSE N'' END +
CASE WHEN si.index_id > 1 THEN N'NON' ELSE N'' END + N'CLUSTERED ' +
N'INDEX ' + QUOTENAME(si.name) + N' ON ' + QUOTENAME(sc.name) + N'.' + QUOTENAME(t.name) + N' '
END +
/* key def */ N'(' + key_definition + N')' +
/* includes */ CASE WHEN include_definition IS NOT NULL THEN
N' INCLUDE (' + include_definition + N')'
ELSE N''
END +
/* filters */ CASE WHEN si.filter_definition IS NOT NULL THEN
N' WHERE ' + si.filter_definition ELSE N''
END +
N' WITH ( '+
/* with clause - compression goes here */
CASE WHEN si.is_padded = 1 THEN ' PAD_INDEX = ON ' ELSE ' PAD_INDEX = OFF ' END + ',' +
'FILLFACTOR = '+CONVERT(CHAR(5),CASE WHEN si.Fill_factor = 0 THEN 100 ELSE si.Fill_factor END) + ',' +
-- default value
'SORT_IN_TEMPDB = OFF ' + ',' +
CASE WHEN si.ignore_dup_key = 1 THEN ' IGNORE_DUP_KEY = ON ' ELSE ' IGNORE_DUP_KEY = OFF ' END + ',' +
CASE WHEN ST.no_recompute = 0 THEN ' STATISTICS_NORECOMPUTE = OFF ' ELSE ' STATISTICS_NORECOMPUTE = ON ' END + ',' +
-- default value
' DROP_EXISTING = ON ' + ',' +
-- default value
' ONLINE = OFF ' + ',' +
CASE WHEN si.allow_row_locks = 1 THEN ' ALLOW_ROW_LOCKS = ON ' ELSE ' ALLOW_ROW_LOCKS = OFF ' END + ',' +
CASE WHEN si.allow_page_locks = 1 THEN ' ALLOW_PAGE_LOCKS = ON ' ELSE ' ALLOW_PAGE_LOCKS = OFF ' END +
--CASE WHEN row_compression_partition_list IS NOT NULL THEN
-- N'DATA_COMPRESSION = ROW ' + CASE WHEN psc.name IS NULL THEN N'' ELSE + N' ON PARTITIONS (' + row_compression_partition_list + N')' END
--ELSE N'' END +
--CASE WHEN row_compression_partition_list IS NOT NULL AND page_compression_partition_list IS NOT NULL THEN N', ' ELSE N'' END +
--CASE WHEN page_compression_partition_list IS NOT NULL THEN
-- N'DATA_COMPRESSION = PAGE ' + CASE WHEN psc.name IS NULL THEN N'' ELSE + N' ON PARTITIONS (' + page_compression_partition_list + N')' END
--ELSE N'' END
+ N')'+
/* ON where? filegroup? partition scheme? */
' ON ' + CASE WHEN psc.name is null
THEN ISNULL(QUOTENAME(fg.name),N'')
ELSE psc.name + N' (' + partitioning_column.column_name + N')'
END
+ N';'
END AS index_create_statement,
si.index_id,
si.name AS index_name,
partition_sums.reserved_in_row_GB,
partition_sums.reserved_LOB_GB,
partition_sums.row_count,
stat.user_seeks,
stat.user_scans,
stat.user_lookups,
user_updates AS queries_that_modified,
partition_sums.partition_count,
si.allow_page_locks,
si.allow_row_locks,
si.is_hypothetical,
si.has_filter,
si.fill_factor,
si.is_unique,
ISNULL(pf.name, '/* Not partitioned */') AS partition_function,
ISNULL(psc.name, fg.name) AS partition_scheme_or_filegroup,
t.create_date AS table_created_date,
t.modify_date AS table_modify_date
FROM sys.indexes AS si
JOIN sys.tables AS t ON si.object_id=t.object_id
JOIN sys.schemas AS sc ON t.schema_id=sc.schema_id
JOIN sys.stats ST ON ST.object_id = si.object_id AND ST.stats_id = si.index_id
LEFT JOIN sys.dm_db_index_usage_stats AS stat ON
stat.database_id = DB_ID()
and si.object_id=stat.object_id
and si.index_id=stat.index_id
LEFT JOIN sys.partition_schemes AS psc ON si.data_space_id=psc.data_space_id
LEFT JOIN sys.partition_functions AS pf ON psc.function_id=pf.function_id
LEFT JOIN sys.filegroups AS fg ON si.data_space_id=fg.data_space_id
/* Key list */ OUTER APPLY ( SELECT STUFF (
(SELECT N', ' + QUOTENAME(c.name) +
CASE ic.is_descending_key WHEN 1 then N' DESC' ELSE N'' END
FROM sys.index_columns AS ic
JOIN sys.columns AS c ON
ic.column_id=c.column_id
and ic.object_id=c.object_id
WHERE ic.object_id = si.object_id
and ic.index_id=si.index_id
and ic.key_ordinal > 0
ORDER BY ic.key_ordinal FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,2,'')) AS keys ( key_definition )
/* Partitioning Ordinal */ OUTER APPLY (
SELECT MAX(QUOTENAME(c.name)) AS column_name
FROM sys.index_columns AS ic
JOIN sys.columns AS c ON
ic.column_id=c.column_id
and ic.object_id=c.object_id
WHERE ic.object_id = si.object_id
and ic.index_id=si.index_id
and ic.partition_ordinal = 1) AS partitioning_column
/* Include list */ OUTER APPLY ( SELECT STUFF (
(SELECT N', ' + QUOTENAME(c.name)
FROM sys.index_columns AS ic
JOIN sys.columns AS c ON
ic.column_id=c.column_id
and ic.object_id=c.object_id
WHERE ic.object_id = si.object_id
and ic.index_id=si.index_id
and ic.is_included_column = 1
ORDER BY c.name FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,2,'')) AS includes ( include_definition )
/* Partitions */ OUTER APPLY (
SELECT
COUNT(*) AS partition_count,
CAST(SUM(ps.in_row_reserved_page_count)*8./1024./1024. AS NUMERIC(32,1)) AS reserved_in_row_GB,
CAST(SUM(ps.lob_reserved_page_count)*8./1024./1024. AS NUMERIC(32,1)) AS reserved_LOB_GB,
SUM(ps.row_count) AS row_count
FROM sys.partitions AS p
JOIN sys.dm_db_partition_stats AS ps ON
p.partition_id=ps.partition_id
WHERE p.object_id = si.object_id
and p.index_id=si.index_id
) AS partition_sums
/* row compression list by partition */ OUTER APPLY ( SELECT STUFF (
(SELECT N', ' + CAST(p.partition_number AS VARCHAR(32))
FROM sys.partitions AS p
WHERE p.object_id = si.object_id
and p.index_id=si.index_id
and p.data_compression = 1
ORDER BY p.partition_number FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,2,'')) AS row_compression_clause ( row_compression_partition_list )
/* data compression list by partition */ OUTER APPLY ( SELECT STUFF (
(SELECT N', ' + CAST(p.partition_number AS VARCHAR(32))
FROM sys.partitions AS p
WHERE p.object_id = si.object_id
and p.index_id=si.index_id
and p.data_compression = 2
ORDER BY p.partition_number FOR XML PATH(''), TYPE).value('.', 'NVARCHAR(MAX)'),1,2,'')) AS page_compression_clause ( page_compression_partition_list )
WHERE
si.type IN (0,1,2) /* heap, clustered, nonclustered */
and si.name = 'index_name'
ORDER BY table_name, si.index_id
OPTION (RECOMPILE);
GO
