SAP SN_GENERAL_READ_KEY_FIELDS Function Module for

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SN_GENERAL_READ_KEY_FIELDS is a standard sn general read key fields SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for sn general read key fields FM, simply by entering the name SN_GENERAL_READ_KEY_FIELDS into the relevant SAP transaction such as SE37 or SE38.

Function Group: SN_GEN_READ
Program Name: SAPLSN_GEN_READ
Main Program: SAPLSN_GEN_READ
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function SN_GENERAL_READ_KEY_FIELDS pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'SN_GENERAL_READ_KEY_FIELDS'"
  EXPORTING
   IV_ORIG_SYSTEM =  "
   IV_ORIG_CLIENT =  "
   IV_TABNAME =  "

 IMPORTING
   ET_KEY_TABLE =  "

EXCEPTIONS
   NO_SN_META_ARCHIVE = 1    READ_FROM_SN_META_FAILS = 2    TABLE_NOT_IN_DDIC = 3    NO_INSTRUCTURE_DEFINED = 4    NOT_IN_INFOSTRUCTURE = 5 

.

IMPORTING Parameters details for SN_GENERAL_READ_KEY_FIELDS

IV_ORIG_SYSTEM -

Data type: ORIG_SYSID
Optional: No
Call by Reference: No ( called with pass by value option)

IV_ORIG_CLIENT -

Data type: ORIG_MANDT
Optional: No
Call by Reference: No ( called with pass by value option)

IV_TABNAME -

Data type: TABNAME
Optional: No
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for SN_GENERAL_READ_KEY_FIELDS

ET_KEY_TABLE -

Data type: ILMA_KEY_FIELD_TABLE
Optional: No
Call by Reference: Yes

EXCEPTIONS details

NO_SN_META_ARCHIVE -

Data type:
Optional: No
Call by Reference: Yes

READ_FROM_SN_META_FAILS -

Data type:
Optional: No
Call by Reference: Yes

TABLE_NOT_IN_DDIC -

Data type:
Optional: No
Call by Reference: Yes

NO_INSTRUCTURE_DEFINED -

Data type:
Optional: No
Call by Reference: Yes

NOT_IN_INFOSTRUCTURE -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for SN_GENERAL_READ_KEY_FIELDS Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM SN_GENERAL_READ_KEY_FIELDS

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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