ABAP Select data from SAP table FCOM_S_GLU1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FCOM_S_GLU1 table and store it within an internal table, including using the newer @DATA inline declaration methods. It also shows you various ways to process this data using ABAP work area, inline declaration or field symbols including executing all the relevant CONVERSION_EXIT routines specific to FCOM_S_GLU1. See here for more generic Select statement tips.

Sometimes data within SAP is stored within the database table in a different format to what it is displayed to the user. These input/output conversation FM routines are what translates the data between the two formats.

There is also a full declaration of the FCOM_S_GLU1 table where each field has a char/string type for you to simply copy and paste. This allows you to use processing that is only available to these field types such as the CONCATENATE statement.

DATA: IT_FCOM_S_GLU1 TYPE STANDARD TABLE OF FCOM_S_GLU1,
      WA_FCOM_S_GLU1 TYPE FCOM_S_GLU1,
      GD_STR TYPE STRING.

DATA: lo_typedescr type REF TO cl_abap_typedescr.
DATA: lv_fieldname type fieldname.

FIELD-SYMBOLS: <FIELD> TYPE any.
FIELD-SYMBOLS: <FCOM_S_GLU1> TYPE FCOM_S_GLU1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FCOM_S_GLU1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FCOM_S_GLU1
  INTO TABLE IT_FCOM_S_GLU1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCOM_S_GLU1
*  INTO TABLE @DATA(IT_FCOM_S_GLU12).
*--Further methods of using ABAP code to  select data from SAP database tables

*You can also declare the header/work area using the in-line DATA declaration method
READ TABLE IT_FCOM_S_GLU1 INDEX 1 INTO DATA(WA_FCOM_S_GLU12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FCOM_S_GLU1 ASSIGNING <FCOM_S_GLU1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCOM_S_GLU1>-MANDT = 1.
<FCOM_S_GLU1>-LEDNR = 1.
<FCOM_S_GLU1>-OBJNR = 1.
<FCOM_S_GLU1>-GJAHR = 1.
<FCOM_S_GLU1>-WRTTP = 1.

ENDLOOP.

LOOP AT IT_FCOM_S_GLU1 INTO WA_FCOM_S_GLU1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCOM_S_GLU1-VERSN, sy-vline,
  WA_FCOM_S_GLU1-KSTAR, sy-vline,
  WA_FCOM_S_GLU1-HRKFT, sy-vline,
  WA_FCOM_S_GLU1-VRGNG, sy-vline,
  WA_FCOM_S_GLU1-VBUND, sy-vline,
  WA_FCOM_S_GLU1-PARGB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCOM_S_GLU1 you want to display...

  WRITE:/ sy-uline.
* Aternatively use generic code to Write field values (and NAME) to screen report
  DO.
    ASSIGN COMPONENT sy-index OF STRUCTURE wa_FCOM_S_GLU1 TO <field>.
    IF sy-subrc <> 0. EXIT. ENDIF.
    WRITE:/ 'Field Value', <field>, sy-vline.
    gd_str = <field> .
    lo_typedescr ?= CL_ABAP_DATADESCR=>DESCRIBE_BY_DATA( <field> ).
    lv_fieldname = lo_typedescr->GET_RELATIVE_NAME( ).
    WRITE:/ 'Field Name', lv_fieldname.
  ENDDO.

  
*Redo loop but convert all fields from internal to out value  
LOOP AT IT_FCOM_S_GLU1 INTO WA_FCOM_S_GLU1.


*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Convert all fields to display/output versions using conversion routines
  PERFORM convert_all_field_values CHANGING wa_EKKO.
	 
ENDLOOP.

  
*&---------------------------------------------------------------------*
*& Form convert_all_field_values
*&---------------------------------------------------------------------*
FORM convert_all_field_values CHANGING p_EKKO LIKE wa_EKKO.
DATA: ld_input(1000) TYPE c, ld_output(1000) TYPE C.

*Conversion exit ALPHA, internal->external for field LEDNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-LEDNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-LEDNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WRTTP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-WRTTP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-WRTTP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VERSN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-VERSN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-VERSN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-KSTAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VBUND
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-VBUND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-VBUND.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BEKNZ, internal->external for field BEKNZ
CALL FUNCTION 'CONVERSION_EXIT_BEKNZ_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-BEKNZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-BEKNZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-MEINH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-MEINH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field IMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-IMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-IMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-KDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-KDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PKOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PKOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PKOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PAUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PAUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field PPS_PSP_PNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PPS_PSP_PNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PPS_PSP_PNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PNPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PNPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PNPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field PVORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PVORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PVORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit IMKEY, internal->external for field PIMKEY
CALL FUNCTION 'CONVERSION_EXIT_IMKEY_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PIMKEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PIMKEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PKDAUF
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PKDAUF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PKDAUF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PPRZNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PPRZNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PPRZNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-GRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-GRANT_NBR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PGRANT_NBR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCOM_S_GLU1-PGRANT_NBR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCOM_S_GLU1-PGRANT_NBR.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_FCOM_S_GLU1_STR, 
MANDT TYPE STRING,
LEDNR TYPE STRING,
OBJNR TYPE STRING,
GJAHR TYPE STRING,
WRTTP TYPE STRING,
VERSN TYPE STRING,
KSTAR TYPE STRING,
HRKFT TYPE STRING,
VRGNG TYPE STRING,
VBUND TYPE STRING,
PARGB TYPE STRING,
PAROB TYPE STRING,
USPOB TYPE STRING,
BEKNZ TYPE STRING,
TWAER TYPE STRING,
PERBL TYPE STRING,
MEINH TYPE STRING,
KOSTL TYPE STRING,
LSTAR TYPE STRING,
AUFNR TYPE STRING,
AFPOS TYPE STRING,
PS_PSP_PNR TYPE STRING,
KSTRG TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
IMKEY TYPE STRING,
KDAUF TYPE STRING,
KDPOS TYPE STRING,
PAOBJNR TYPE STRING,
PRZNR TYPE STRING,
PKOSTL TYPE STRING,
PLSTAR TYPE STRING,
PAUFNR TYPE STRING,
PAFPOS TYPE STRING,
PPS_PSP_PNR TYPE STRING,
PKSTRG TYPE STRING,
PNPLNR TYPE STRING,
PVORNR TYPE STRING,
PIMKEY TYPE STRING,
PKDAUF TYPE STRING,
PKDPOS TYPE STRING,
PPAOBJNR TYPE STRING,
PPRZNR TYPE STRING,
FKBER TYPE STRING,
PFKBER TYPE STRING,
GEBER TYPE STRING,
PGEBER TYPE STRING,
GRANT_NBR TYPE STRING,
PGRANT_NBR TYPE STRING,
TSL TYPE STRING,
CSL TYPE STRING,
OSL TYPE STRING,
HSL TYPE STRING,
KSL TYPE STRING,
MSL TYPE STRING,
OCURR TYPE STRING,
LCURR TYPE STRING,
CCURR TYPE STRING,
GCURR TYPE STRING,
POPER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCOM_S_GLU1_STR type T_EKKO_STR.

DATA: ld_text TYPE string.

LOOP AT IT_EKKO INTO WA_EKKO.
  MOVE-CORRESPONDING wa_EKKO TO WA_EKKO_STR.
  CONCATENATE: sy-vline
WA_FCOM_S_GLU1_STR-MANDT sy-vline 
WA_FCOM_S_GLU1_STR-LEDNR sy-vline 
WA_FCOM_S_GLU1_STR-OBJNR sy-vline 
WA_FCOM_S_GLU1_STR-GJAHR sy-vline 
WA_FCOM_S_GLU1_STR-WRTTP sy-vline 
WA_FCOM_S_GLU1_STR-VERSN sy-vline 
WA_FCOM_S_GLU1_STR-KSTAR sy-vline 
WA_FCOM_S_GLU1_STR-HRKFT sy-vline 
WA_FCOM_S_GLU1_STR-VRGNG sy-vline 
WA_FCOM_S_GLU1_STR-VBUND sy-vline 
WA_FCOM_S_GLU1_STR-PARGB sy-vline 
WA_FCOM_S_GLU1_STR-PAROB sy-vline 
WA_FCOM_S_GLU1_STR-USPOB sy-vline 
WA_FCOM_S_GLU1_STR-BEKNZ sy-vline 
WA_FCOM_S_GLU1_STR-TWAER sy-vline 
WA_FCOM_S_GLU1_STR-PERBL sy-vline 
WA_FCOM_S_GLU1_STR-MEINH sy-vline 
WA_FCOM_S_GLU1_STR-KOSTL sy-vline 
WA_FCOM_S_GLU1_STR-LSTAR sy-vline 
WA_FCOM_S_GLU1_STR-AUFNR sy-vline 
WA_FCOM_S_GLU1_STR-AFPOS sy-vline 
WA_FCOM_S_GLU1_STR-PS_PSP_PNR sy-vline 
WA_FCOM_S_GLU1_STR-KSTRG sy-vline 
WA_FCOM_S_GLU1_STR-NPLNR sy-vline 
WA_FCOM_S_GLU1_STR-VORNR sy-vline 
WA_FCOM_S_GLU1_STR-IMKEY sy-vline 
WA_FCOM_S_GLU1_STR-KDAUF sy-vline 
WA_FCOM_S_GLU1_STR-KDPOS sy-vline 
WA_FCOM_S_GLU1_STR-PAOBJNR sy-vline 
WA_FCOM_S_GLU1_STR-PRZNR sy-vline 
WA_FCOM_S_GLU1_STR-PKOSTL sy-vline 
WA_FCOM_S_GLU1_STR-PLSTAR sy-vline 
WA_FCOM_S_GLU1_STR-PAUFNR sy-vline 
WA_FCOM_S_GLU1_STR-PAFPOS sy-vline 
WA_FCOM_S_GLU1_STR-PPS_PSP_PNR sy-vline 
WA_FCOM_S_GLU1_STR-PKSTRG sy-vline 
WA_FCOM_S_GLU1_STR-PNPLNR sy-vline 
WA_FCOM_S_GLU1_STR-PVORNR sy-vline 
WA_FCOM_S_GLU1_STR-PIMKEY sy-vline 
WA_FCOM_S_GLU1_STR-PKDAUF sy-vline 
WA_FCOM_S_GLU1_STR-PKDPOS sy-vline 
WA_FCOM_S_GLU1_STR-PPAOBJNR sy-vline 
WA_FCOM_S_GLU1_STR-PPRZNR sy-vline 
WA_FCOM_S_GLU1_STR-FKBER sy-vline 
WA_FCOM_S_GLU1_STR-PFKBER sy-vline 
WA_FCOM_S_GLU1_STR-GEBER sy-vline 
WA_FCOM_S_GLU1_STR-PGEBER sy-vline 
WA_FCOM_S_GLU1_STR-GRANT_NBR sy-vline 
WA_FCOM_S_GLU1_STR-PGRANT_NBR sy-vline 
WA_FCOM_S_GLU1_STR-TSL sy-vline 
WA_FCOM_S_GLU1_STR-CSL sy-vline 
WA_FCOM_S_GLU1_STR-OSL sy-vline 
WA_FCOM_S_GLU1_STR-HSL sy-vline 
WA_FCOM_S_GLU1_STR-KSL sy-vline 
WA_FCOM_S_GLU1_STR-MSL sy-vline 
WA_FCOM_S_GLU1_STR-OCURR sy-vline 
WA_FCOM_S_GLU1_STR-LCURR sy-vline 
WA_FCOM_S_GLU1_STR-CCURR sy-vline 
WA_FCOM_S_GLU1_STR-GCURR sy-vline 
WA_FCOM_S_GLU1_STR-POPER sy-vline      INTO ld_text SEPARATED BY SPACE.

*Add any further fields from structure WA_EKKO_STR you want to CONCATENATE...
ENDLOOP.
ENDFORM.