SAP G_FIELD_SET Function Module for Read fields of a table structure

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G_FIELD_SET is a standard g field set SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read fields of a table structure processing and below is the pattern details for this FM, 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 g field set FM, simply by entering the name G_FIELD_SET into the relevant SAP transaction such as SE37 or SE38.

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

Function G_FIELD_SET 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 'G_FIELD_SET'"Read fields of a table structure
  EXPORTING
   TABLE =  "Name of the table of the desired f
*  SHOW_ALIAS = ' ' "Take alias field name from T804C into account
*  UTABLE = ' ' "Flag for reading the user table
*  TEXT_FLAG = ' ' "Reading the field texts
*  LANGU = SY-LANGU "Language of the texts (default is
*  ADD_FLAG = ' ' "Flag for reading the RW tables (T8
*  FTYPE = 'K' "Category of the desired fields (K,
*  NO_GLX_OBJ_PROCESSING = ' ' "Ind.: do not take obj. tab. into account /GLX
*  OBJECTTABLE = ' ' "Object table(if less than in T800A)
*  OBJECTTABLE2 = ' ' "2nd object table(if less than in T800A)
*  LENGTH24 = ' ' "Flag for fields with length <= 24

 IMPORTING
   OTABLE =  "Original table

EXCEPTIONS
   NOT_FOUND = 1 

.

IMPORTING Parameters details for G_FIELD_SET

TABLE - Name of the table of the desired f

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

SHOW_ALIAS - Take alias field name from T804C into account

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

UTABLE - Flag for reading the user table

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

TEXT_FLAG - Reading the field texts

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

LANGU - Language of the texts (default is

Data type: SYLANGU
Default: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)

ADD_FLAG - Flag for reading the RW tables (T8

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

FTYPE - Category of the desired fields (K,

Data type:
Default: 'K'
Optional: Yes
Call by Reference: No ( called with pass by value option)

NO_GLX_OBJ_PROCESSING - Ind.: do not take obj. tab. into account /GLX

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

OBJECTTABLE - Object table(if less than in T800A)

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

OBJECTTABLE2 - 2nd object table(if less than in T800A)

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

LENGTH24 - Flag for fields with length <= 24

Data type:
Default: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for G_FIELD_SET

OTABLE - Original table

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

EXCEPTIONS details

NOT_FOUND - Table does not exist

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

Copy and paste ABAP code example for G_FIELD_SET 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 G_FIELD_SET

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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