ABAP Select data from SAP table GENFM_S_CMIT_SHLP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP GENFM_S_CMIT_SHLP 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 GENFM_S_CMIT_SHLP. 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 GENFM_S_CMIT_SHLP 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_GENFM_S_CMIT_SHLP TYPE STANDARD TABLE OF GENFM_S_CMIT_SHLP,
      WA_GENFM_S_CMIT_SHLP TYPE GENFM_S_CMIT_SHLP,
      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: <GENFM_S_CMIT_SHLP> TYPE GENFM_S_CMIT_SHLP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GENFM_S_CMIT_SHLP
*  INTO TABLE @DATA(IT_GENFM_S_CMIT_SHLP2).
*--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_GENFM_S_CMIT_SHLP INDEX 1 INTO DATA(WA_GENFM_S_CMIT_SHLP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GENFM_S_CMIT_SHLP>-FIKRS = 1.
<GENFM_S_CMIT_SHLP>-BDCHC = 1.
<GENFM_S_CMIT_SHLP>-BDCHP = 1.
<GENFM_S_CMIT_SHLP>-CIGRP03 = 1.
<GENFM_S_CMIT_SHLP>-CIGRP04 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GENFM_S_CMIT_SHLP-CIGRP05, sy-vline,
  WA_GENFM_S_CMIT_SHLP-CIGRP06, sy-vline,
  WA_GENFM_S_CMIT_SHLP-BDCHS, sy-vline,
  WA_GENFM_S_CMIT_SHLP-BDCHG, sy-vline,
  WA_GENFM_S_CMIT_SHLP-FIPEX, sy-vline,
  WA_GENFM_S_CMIT_SHLP-DESCR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_GENFM_S_CMIT_SHLP 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_GENFM_S_CMIT_SHLP 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_GENFM_S_CMIT_SHLP INTO WA_GENFM_S_CMIT_SHLP.


*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 FMCIL, internal->external for field FIPEX
CALL FUNCTION 'CONVERSION_EXIT_FMCIL_OUTPUT'
  EXPORTING
    input =                      WA_GENFM_S_CMIT_SHLP-FIPEX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GENFM_S_CMIT_SHLP-FIPEX.
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_GENFM_S_CMIT_SHLP_STR, 
FIKRS TYPE STRING,
BDCHC TYPE STRING,
BDCHP TYPE STRING,
CIGRP03 TYPE STRING,
CIGRP04 TYPE STRING,
CIGRP05 TYPE STRING,
CIGRP06 TYPE STRING,
BDCHS TYPE STRING,
BDCHG TYPE STRING,
FIPEX TYPE STRING,
DESCR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GENFM_S_CMIT_SHLP_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_GENFM_S_CMIT_SHLP_STR-FIKRS sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-BDCHC sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-BDCHP sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-CIGRP03 sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-CIGRP04 sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-CIGRP05 sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-CIGRP06 sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-BDCHS sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-BDCHG sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-FIPEX sy-vline 
WA_GENFM_S_CMIT_SHLP_STR-DESCR sy-vline      INTO ld_text SEPARATED BY SPACE.

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