Add table statistic query

Author: semcha

table_stat.sql

@@ -0,0 +1,146 @@
+WITH table_clustering AS (
+ SELECT
+ ix.[object_id]
+ ,ix.index_id
+ ,CASE
+ WHEN ix.is_primary_key = 1 THEN ix.[type_desc] + N' PK'
+ WHEN ix.is_unique = 1 THEN ix.[type_desc] + N' UNIQUE'
+ WHEN ix.is_disabled = 1 THEN N'!!! DISABLED ' + ix.[type_desc]
+ ELSE ix.[type_desc]
+ END AS clustering_type
+ FROM
+ sys.indexes AS ix
+ WHERE
+ ix.[type] IN (0, 1, 5) -- HEAP, CLUSTERED B-tree/Columnstore
+),
+table_partitions AS (
+ SELECT
+ p.[object_id]
+ ,p.index_id
+ ,COUNT(1) AS partitions_count
+ ,SUM(p.[rows]) AS rows_count
+ ,MIN(p.data_compression_desc) AS [compression]
+ ,COUNT(IIF(p.[data_compression] IS NOT NULL, 1, NULL)) AS compressed_partitions
+ FROM
+ sys.partitions AS p
+ GROUP BY
+ p.[object_id]
+ ,p.index_id
+),
+table_space AS (
+ SELECT
+ s.[object_id]
+ ,CAST(SUM(s.[used_page_count]) * 8. / 1024. / 1024. AS decimal(19, 2)) AS reserved_gb
+ ,CAST(SUM(IIF(ix.[type] IN (0, 1, 5), s.[used_page_count], 0)) * 8. / 1024. / 1024. AS decimal(19, 2)) AS table_gb
+ ,CAST(SUM(IIF(ix.[type] IN (2, 6, 7), s.[used_page_count], 0)) * 8. / 1024. / 1024. AS decimal(19, 2)) AS indexes_gb
+ FROM
+ sys.dm_db_partition_stats AS s
+ INNER JOIN sys.indexes AS ix
+ ON s.[object_id] = ix.[object_id]
+ AND s.index_id = ix.index_id
+ GROUP BY
+ s.[object_id]
+),
+nc_indexes_source AS (
+ SELECT
+ qryix.[object_id]
+ ,LTRIM(
+ qryix.index_is_disabled
+ + N' ' + qryix.index_has_filter
+ + N' ' + qryix.index_type_1
+ + N' ' + qryix.index_type_2
+ + N': ' + CAST(qryix.index_count AS nvarchar(50))
+ ) AS index_type
+ FROM
+ (
+ SELECT
+ ix.[object_id]
+ ,ix.[type]
+ ,ix.is_unique
+ ,ix.is_primary_key
+ ,ix.is_unique_constraint
+ ,ix.is_disabled
+ ,COUNT(1) AS index_count
+ ,CASE
+ WHEN ix.is_disabled = 1 THEN N'FILTERED'
+ ELSE N''
+ END AS index_is_disabled
+ ,CASE
+ WHEN ix.has_filter = 1 THEN N'FILTERED'
+ ELSE N''
+ END AS index_has_filter
+ ,CASE
+ WHEN ix.[type] = 2 THEN N'NC B-TREE'
+ WHEN ix.[type] = 6 THEN N'NC COLUMNSTORE'
+ WHEN ix.[type] = 7 THEN N'HASH'
+ END index_type_1
+ ,CASE
+ WHEN ix.is_primary_key = 1 THEN N'PK'
+ WHEN ix.is_unique_constraint = 1 THEN N'UQ CNSTRNT'
+ WHEN ix.is_unique = 1 THEN N'UQ'
+ ELSE N''
+ END index_type_2
+ FROM
+ sys.indexes AS ix
+ WHERE
+ ix.[type] IN (2, 6, 7) -- NONCLUSTERED B-tree/Columnstore, HASH
+ GROUP BY
+ ix.[object_id]
+ ,ix.[type]
+ ,ix.is_unique
+ ,ix.is_primary_key
+ ,ix.is_unique_constraint
+ ,ix.is_disabled
+ ,ix.has_filter
+ ) AS qryix
+),
+nc_indexes AS (
+ SELECT
+ ncix.[object_id]
+ ,N'{' + STUFF(CAST((
+ SELECT
+ [text()] = '; ' + index_type
+ FROM
+ nc_indexes_source AS qry
+ WHERE
+ qry.[object_id] = ncix.[object_id]
+ FOR xml PATH (''), TYPE
+ )
+ AS nvarchar(max))
+ , 1, 1, N'') + N'}' AS nc_indexes
+ FROM
+ (
+ SELECT DISTINCT
+ [object_id]
+ FROM
+ nc_indexes_source
+ ) AS ncix
+)
+SELECT
+ DB_NAME() AS [database_name]
+ ,t.[object_id]
+ ,OBJECT_SCHEMA_NAME(t.[object_id]) + N'.' + t.[name] AS table_name
+ ,t.is_memory_optimized AS is_inmem
+ ,tblcls.clustering_type
+ ,tblprttn.partitions_count
+ ,tblprttn.compressed_partitions
+ ,tblprttn.[compression]
+ ,tblprttn.rows_count
+ ,tblspc.reserved_gb
+ ,tblspc.table_gb
+ ,tblspc.indexes_gb
+ ,ncix.nc_indexes
+FROM
+ sys.tables AS t
+ INNER JOIN table_clustering AS tblcls
+ ON t.[object_id] = tblcls.[object_id]
+ INNER JOIN table_partitions AS tblprttn
+ ON t.[object_id] = tblprttn.[object_id]
+ AND tblcls.index_id = tblprttn.index_id
+ INNER JOIN table_space AS tblspc
+ ON t.[object_id] = tblspc.[object_id]
+ LEFT JOIN nc_indexes AS ncix
+ ON t.[object_id] = ncix.[object_id]
+WHERE
+ t.[type] = N'U'
+ORDER BY tblspc.reserved_gb DESC;