T-SQL 查询分区详细信息和行计数

最新推荐文章于 2022-09-23 09:15:00 发布

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最新推荐文章于 2022-09-23 09:15:00 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/bi-info/p/7489472.html

本文提供了一个SQL查询脚本，用于获取SQL Server中分区表及其索引的详细信息，包括对象名称、索引名称、分区方案、文件组等关键属性。

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--paritioned table and index details
SELECT
OBJECT_NAME(p.object_id) AS ObjectName,
i.name AS IndexName,
p.index_id AS IndexID,
ds.name AS PartitionScheme,
p.partition_number AS PartitionNumber,
fg.name AS FileGroupName,
prv_left.value AS LowerBoundaryValue,
prv_right.value AS UpperBoundaryValue,
CASE pf.boundary_value_on_right
WHEN 1 THEN 'RIGHT'
ELSE 'LEFT' END AS Range,
p.rows AS Rows
FROM sys.partitions AS p
JOIN sys.indexes AS i
ON i.object_id = p.object_id
AND i.index_id = p.index_id
JOIN sys.data_spaces AS ds
ON ds.data_space_id = i.data_space_id
JOIN sys.partition_schemes AS ps
ON ps.data_space_id = ds.data_space_id
JOIN sys.partition_functions AS pf
ON pf.function_id = ps.function_id
JOIN sys.destination_data_spaces AS dds2
ON dds2.partition_scheme_id = ps.data_space_id
AND dds2.destination_id = p.partition_number
JOIN sys.filegroups AS fg
ON fg.data_space_id = dds2.data_space_id
LEFT JOIN sys.partition_range_values AS prv_left
ON ps.function_id = prv_left.function_id
AND prv_left.boundary_id = p.partition_number - 1
LEFT JOIN sys.partition_range_values AS prv_right
ON ps.function_id = prv_right.function_id
AND prv_right.boundary_id = p.partition_number
WHERE
OBJECTPROPERTY(p.object_id, 'ISMSShipped') = 0
UNION ALL
--non-partitioned table/indexes
SELECT
OBJECT_NAME(p.object_id) AS ObjectName,
i.name AS IndexName,
p.index_id AS IndexID,
NULL AS PartitionScheme,
p.partition_number AS PartitionNumber,
fg.name AS FileGroupName,
NULL AS LowerBoundaryValue,
NULL AS UpperBoundaryValue,
NULL AS Boundary,
p.rows AS Rows
FROM sys.partitions AS p
JOIN sys.indexes AS i
ON i.object_id = p.object_id
AND i.index_id = p.index_id
JOIN sys.data_spaces AS ds
ON ds.data_space_id = i.data_space_id
JOIN sys.filegroups AS fg
ON fg.data_space_id = i.data_space_id
WHERE
OBJECTPROPERTY(p.object_id, 'ISMSShipped') = 0
ORDER BY
ObjectName,
IndexID,
PartitionNumber;