partitions.sql

DECLARE @TableName NVARCHAR(200) = N'dbo.pr'
 
SELECT SCHEMA_NAME(o.schema_id) + '.' + OBJECT_NAME(i.object_id) AS [object]
     , p.partition_number AS [p#]
     , fg.name AS [filegroup]
     , p.rows
     , au.total_pages AS pages
     , CASE boundary_value_on_right
       WHEN 1 THEN 'less than'
       ELSE 'less than or equal to' END as comparison
     , rv.value
     , CONVERT (VARCHAR(6), CONVERT (INT, SUBSTRING (au.first_page, 6, 1) +
       SUBSTRING (au.first_page, 5, 1))) + ':' + CONVERT (VARCHAR(20),
       CONVERT (INT, SUBSTRING (au.first_page, 4, 1) +
       SUBSTRING (au.first_page, 3, 1) + SUBSTRING (au.first_page, 2, 1) +
       SUBSTRING (au.first_page, 1, 1))) AS first_page
FROM sys.partitions p
INNER JOIN sys.indexes i
     ON p.object_id = i.object_id
AND p.index_id = i.index_id
INNER JOIN sys.objects o
     ON p.object_id = o.object_id
INNER JOIN sys.system_internals_allocation_units au
     ON p.partition_id = au.container_id
INNER JOIN sys.partition_schemes ps
     ON ps.data_space_id = i.data_space_id
INNER JOIN sys.partition_functions f
     ON f.function_id = ps.function_id
INNER JOIN sys.destination_data_spaces dds
     ON dds.partition_scheme_id = ps.data_space_id
     AND dds.destination_id = p.partition_number
INNER JOIN sys.filegroups fg
     ON dds.data_space_id = fg.data_space_id
LEFT OUTER JOIN sys.partition_range_values rv
     ON f.function_id = rv.function_id
     AND p.partition_number = rv.boundary_id
WHERE i.index_id < 2
     AND o.object_id = OBJECT_ID(@TableName);