sys-partition-functions-transact-sql.md

description	sys.partition_functions (Transact-SQL)
title	sys.partition_functions (Transact-SQL) | Microsoft Docs
ms.custom
ms.date	03/14/2017
ms.prod	sql
ms.prod_service	database-engine, sql-database, sql-data-warehouse, pdw
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ms.technology	system-objects
ms.topic	reference
f1_keywords	sys.partition_functions_TSQL partition_functions sys.partition_functions partition_functions_TSQL
dev_langs	TSQL
helpviewer_keywords	sys.partition_functions catalog view
ms.assetid	96515727-728b-4bea-804a-36ce915b8b75
author	WilliamDAssafMSFT
ms.author	wiassaf
monikerRange	>=aps-pdw-2016||=azuresqldb-current||=azure-sqldw-latest||>=sql-server-2016||>=sql-server-linux-2017||=azuresqldb-mi-current

sys.partition_functions (Transact-SQL)

[!INCLUDE sql-asdb-asdbmi-asa-pdw]

Contains a row for each partition function in [!INCLUDEssNoVersion].

Column name	Data type	Description
name	sysname	Name of the partition function. Is unique within the database.
function_id	int	Partition function ID. Is unique within the database.
type	char(2)	Function type. R = Range
type_desc	nvarchar(60)	Function type. RANGE
fanout	int	Number of partitions created by the function.
boundary_value_on_right	bit	For range partitioning. 1 = Boundary value is included in the RIGHT range of the boundary. 0 = LEFT.
is_system		Applies to: [!INCLUDEssSQL11] and later. 1 = Object is used for full-text index fragments. 0 = Object is not used for full-text index fragments.
create_date	datetime	Date the function was created.
modify_date	datetime	Date the function was last modified using an ALTER statement.

Permissions

Requires membership in the public role. For more information, see Metadata Visibility Configuration.

See Also

Partition Function Catalog Views (Transact-SQL)
Catalog Views (Transact-SQL)
sys.partition_range_values (Transact-SQL)
sys.partition_parameters (Transact-SQL)