#2860 sp_BlitzIndex columnstore partition ranges

Removed IIF for SQL Server 2008 compatibility, moved the partition ranges column to be right after the partition number.

Author: BrentOzar

sp_BlitzIndex.sql

@@ -2777,8 +2777,11 @@ BEGIN
 			SET @ColumnList = LEFT(@ColumnList, LEN(@ColumnList) - 1);
 
 			SET @dsql = N'USE ' + QUOTENAME(@DatabaseName) + N'; 
-				SELECT partition_number, row_group_id, total_rows, deleted_rows, ' + @ColumnList + IIF(@ShowPartitionRanges = 1, N',
-					COALESCE(range_start_op + '' '' + range_start + '' '', '''') + COALESCE(range_end_op + '' '' + range_end, '''') AS partition_range
+				SELECT partition_number, '
+				+ CASE WHEN @ShowPartitionRanges = 1 THEN N' COALESCE(range_start_op + '' '' + range_start + '' '', '''') + COALESCE(range_end_op + '' '' + range_end, '''') AS partition_range, ' ELSE N' ' END
+				+ N' row_group_id, total_rows, deleted_rows, ' 
+				+ @ColumnList
+				+ CASE WHEN @ShowPartitionRanges = 1 THEN N'
 				FROM (
 					SELECT column_name, partition_number, row_group_id, total_rows, deleted_rows, details,
 						range_start_op,
@@ -2788,10 +2791,11 @@ BEGIN
 						range_end_op,
 						CASE
 							WHEN format_type IS NULL THEN CAST(range_end_value AS NVARCHAR(4000))
-							ELSE CONVERT(NVARCHAR(4000), range_end_value, format_type) END range_end', '') + N'
+							ELSE CONVERT(NVARCHAR(4000), range_end_value, format_type) END range_end' ELSE N' ' END + N'
 					FROM (
 						SELECT c.name AS column_name, p.partition_number, rg.row_group_id, rg.total_rows, rg.deleted_rows,
-							details = CAST(seg.min_data_id AS VARCHAR(20)) + '' to '' + CAST(seg.max_data_id AS VARCHAR(20)) + '', '' + CAST(CAST((seg.on_disk_size / 1024.0 / 1024) AS DECIMAL(18,0)) AS VARCHAR(20)) + '' MB''' + IIF(@ShowPartitionRanges = 1, N',
+							details = CAST(seg.min_data_id AS VARCHAR(20)) + '' to '' + CAST(seg.max_data_id AS VARCHAR(20)) + '', '' + CAST(CAST((seg.on_disk_size / 1024.0 / 1024) AS DECIMAL(18,0)) AS VARCHAR(20)) + '' MB''' 
+							+ CASE WHEN @ShowPartitionRanges = 1 THEN N',
 							CASE
 								WHEN pp.system_type_id IN (40, 41, 42, 43, 58, 61) THEN 126
 								WHEN pp.system_type_id IN (59, 62) THEN 3
@@ -2800,20 +2804,21 @@ BEGIN
 							CASE WHEN pf.boundary_value_on_right = 0 THEN ''>'' ELSE ''>='' END range_start_op,
 							prvs.value range_start_value,
 							CASE WHEN pf.boundary_value_on_right = 0 THEN ''<='' ELSE ''<'' END range_end_op,
-							prve.value range_end_value', '') + N'
+							prve.value range_end_value ' ELSE N' ' END + N'
 						FROM ' + QUOTENAME(@DatabaseName) + N'.sys.column_store_row_groups rg 
 						INNER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.columns c ON rg.object_id = c.object_id
 						INNER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partitions p ON rg.object_id = p.object_id AND rg.partition_number = p.partition_number
-						INNER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.index_columns ic on ic.column_id = c.column_id AND ic.object_id = c.object_id AND ic.index_id = p.index_id' + IIF(@ShowPartitionRanges = 1, N'
+						INNER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.index_columns ic on ic.column_id = c.column_id AND ic.object_id = c.object_id AND ic.index_id = p.index_id ' + CASE WHEN @ShowPartitionRanges = 1 THEN N' 
 						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.indexes i ON i.object_id = rg.object_id AND i.index_id = rg.index_id
 						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_schemes ps ON ps.data_space_id = i.data_space_id
 						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_functions pf ON pf.function_id = ps.function_id
 						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_parameters pp ON pp.function_id = pf.function_id
 						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_range_values prvs ON prvs.function_id = pf.function_id AND prvs.boundary_id = p.partition_number - 1
-						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_range_values prve ON prve.function_id = pf.function_id AND prve.boundary_id = p.partition_number', '') + N'
-						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.column_store_segments seg ON p.partition_id = seg.partition_id AND ic.index_column_id = seg.column_id AND rg.row_group_id = seg.segment_id
-						WHERE rg.object_id = @ObjectID' + IIF(@ShowPartitionRanges = 1, N'
-					) AS y', '') + N'
+						LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.partition_range_values prve ON prve.function_id = pf.function_id AND prve.boundary_id = p.partition_number ' ELSE N' ' END 
+						+ N' LEFT OUTER JOIN ' + QUOTENAME(@DatabaseName) + N'.sys.column_store_segments seg ON p.partition_id = seg.partition_id AND ic.index_column_id = seg.column_id AND rg.row_group_id = seg.segment_id
+						WHERE rg.object_id = @ObjectID' 
+						+ CASE WHEN @ShowPartitionRanges = 1 THEN N'
+					) AS y ' ELSE N' ' END + N'
 				) AS x
 				PIVOT (MAX(details) FOR column_name IN ( ' + @ColumnList + N')) AS pivot1
 				ORDER BY partition_number, row_group_id;';