SAP COMS_LH_OBJ_KEY Object-Type Differentiation-Key Type Assignment Table data and field list

COMS_LH_OBJ_KEY is a standard SAP Table which is used to store Object-Type Differentiation-Key Type Assignment data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.

The COMS_LH_OBJ_KEY table consists of various fields, each holding specific information or linking keys about Object-Type Differentiation-Key Type Assignment data available in SAP. These include OBJECT_TYPE (Object Type of a Set Type), KEY_TYPE (Key Type in Link Handler), SETTYPE_ASSIGN (Internal Key of a Set Type), FUNC_READ_ALL (Reads All Differentiation Keys)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .

COMS_LH_OBJ_KEY table Technical Details:

Delivery Class: E - Control table, SAP and customer have separate key areas
Display/Maintenance via tcode SM30: Display/Maintenance Allowed but with Restrictions
SAP enhancement categories: Cannot Be Enhanced

SAP COMS_LH_OBJ_KEY table fields - Full list of fields found in SAP data dictionary

Looking for S/4HANA specific information? Click here to explore the details, fields and extensibility available for this table in the SAP S/4HANA version of the COMS_LH_OBJ_KEY table. Also check whether the table still exists or has been transformed into a CDS view as part of the HANA simplifications.

Field	Description	Data Element	Data Type	length (Dec)	Check table	Conversion Routine	Domain Name	MemoryID	SHLP
OBJECT_TYPE	Object Type of a Set Type	COMT_BUS_OBJTYPE	CHAR	10	COMS_LH_OBJ_TYPE		COM_SET_OBJTYPE
KEY_TYPE	Key Type in Link Handler	COMT_LH_KEY_TYPE	CHAR	10			COM_LH_KEY_TYPE
SETTYPE_ASSIGN	Internal Key of a Set Type	COMT_FRGTYPE_GUID32	CHAR	32			SYSUUID_C
FUNC_READ_ALL	Reads All Differentiation Keys	COMT_LH_KEY_READ_ALL	CHAR	30	Assigned to domain		FUNCNAME
FUNC_ASSIGNED	Read Function of the Assigned Differentiation Key	COMT_LH_KEY_ASSIGNED	CHAR	30	Assigned to domain		FUNCNAME
FUNC_COPY_START	Function Determines Key Without Maintained Data	COMT_LH_KEY_START_COPY	CHAR	30	Assigned to domain		FUNCNAME
FUNC_DO_COPY	Function Copies Data to Other Key	COMT_LH_KEY_DO_COPY	CHAR	30	Assigned to domain		FUNCNAME
FUNC_DELETE	Function for Differentiation-Key-Dependent Data	COMT_LH_KEY_DELETE	CHAR	30	Assigned to domain		FUNCNAME
FUNC_MAP_INT2EXT	Mapping Function from Internal to External Format	COMT_LH_KEY_MAP_INT2EXT	CHAR	30	Assigned to domain		FUNCNAME
FUNC_MAP_EXT2INT	Mapping Function from External to Internal Format	COMT_LH_KEY_MAP_EXT2INT	CHAR	30	Assigned to domain		FUNCNAME
FUNC_ACT_ACTIONS	Action for Key	COMT_LH_KEY_ACTIONS	CHAR	30	Assigned to domain		FUNCNAME

Key field

Non-key field

< COMS_KEY_TAB_TMP - Template for Line Structure of the Key Table COMS_LH_OBJ_KEYD - Default Values for the Generation >

How do I retrieve data from SAP table COMS_LH_OBJ_KEY using ABAP code

The following ABAP code Example will allow you to do a basic selection on COMS_LH_OBJ_KEY to SELECT all data from the table
DATA: WA_COMS_LH_OBJ_KEY TYPE COMS_LH_OBJ_KEY.

SELECT SINGLE *
FROM COMS_LH_OBJ_KEY
INTO CORRESPONDING FIELDS OF WA_COMS_LH_OBJ_KEY
WHERE...

How to access SAP table COMS_LH_OBJ_KEY

Within an ECC or HANA version of SAP you can also view further information about COMS_LH_OBJ_KEY and the data within it using relevant transactions such as

SE11 (ABAP Dictionary Maintenance)
SM30 (Maintain Table Data)
SE80 (Object Navigator)
SE16 (Data Browser).