columnstore index

Author: alex-bochkov

QueryTemplates/Performance/index-fragmentation.sql

@@ -6,11 +6,17 @@ SELECT dbschemas.[name] as 'Schema',
 	FORMAT(AVG(indexstats.avg_fragmentation_in_percent), 'N2') AS avg_fragmentation_in_percent,
 	FORMAT(SUM(indexstats.page_count), 'N0') AS page_count,
 	'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REORGANIZE PARTITION = ' 
-		+ CASE WHEN EXISTS(SELECT TOP 1 1 FROM sys.partition_schemes s WHERE s.data_space_id = dbindexes.data_space_id) THEN CAST(indexstats.partition_number AS VARCHAR(3)) ELSE 'ALL' END + ';' AS CmdReorg,
+		+ CASE WHEN EXISTS(SELECT TOP 1 1 FROM sys.partition_schemes s WHERE s.data_space_id = dbindexes.data_space_id) 
+			THEN CAST(indexstats.partition_number AS VARCHAR(3)) ELSE 'ALL' END + ';' AS CmdReorg,
 	'ALTER INDEX ['+dbindexes.[name]+'] ON [' + dbschemas.name + '].['+dbtables.[name]+'] REBUILD PARTITION = ' 
-		+ CASE WHEN EXISTS(SELECT TOP 1 1 FROM sys.partition_schemes s WHERE s.data_space_id = dbindexes.data_space_id) THEN CAST(indexstats.partition_number AS VARCHAR(3)) ELSE 'ALL' END
-		+ ' WITH (ONLINE = ON (WAIT_AT_LOW_PRIORITY (MAX_DURATION = 1 MINUTES, ABORT_AFTER_WAIT = SELF)), '
-		+ 'SORT_IN_TEMPDB = ON);' AS CmdRebuild
+		+ CASE WHEN EXISTS(SELECT TOP 1 1 FROM sys.partition_schemes s WHERE s.data_space_id = dbindexes.data_space_id) 
+			THEN CAST(indexstats.partition_number AS VARCHAR(3)) ELSE 'ALL' END
+		+ ' WITH ('
+		+ CASE WHEN ISNULL(dbindexes.[type_desc], '') LIKE '%COLUMNSTORE' 
+			THEN 'ONLINE = OFF, '
+			ELSE 'ONLINE = ON (WAIT_AT_LOW_PRIORITY (MAX_DURATION = 1 MINUTES, ABORT_AFTER_WAIT = SELF)), '
+		  END
+		+ 'SORT_IN_TEMPDB = ON, MAXDOP = 4);' AS CmdRebuild
 FROM sys.dm_db_index_physical_stats (DB_ID(), NULL, NULL, NULL, NULL) AS indexstats
 INNER JOIN sys.tables dbtables on dbtables.[object_id] = indexstats.[object_id]
 INNER JOIN sys.schemas dbschemas on dbtables.[schema_id] = dbschemas.[schema_id]
@@ -23,6 +29,7 @@ GROUP BY dbschemas.[name],
 	dbtables.[name], 
 	dbindexes.[index_id],
 	dbindexes.[name],
+	dbindexes.[type_desc],
 	indexstats.partition_number,
 	dbindexes.data_space_id
 ORDER BY AVG(indexstats.avg_fragmentation_in_percent) DESC