ABAP Select data from SAP table FSH_ARUN_FCHKVAL_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FSH_ARUN_FCHKVAL_S
*  INTO TABLE @DATA(IT_FSH_ARUN_FCHKVAL_S2).
*--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_FSH_ARUN_FCHKVAL_S INDEX 1 INTO DATA(WA_FSH_ARUN_FCHKVAL_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FSH_ARUN_FCHKVAL_S>-MATNR_NEW = 1.
<FSH_ARUN_FCHKVAL_S>-WERKS_NEW = 1.
<FSH_ARUN_FCHKVAL_S>-CHARG_NEW = 1.
<FSH_ARUN_FCHKVAL_S>-EINDT_NEW = 1.
<FSH_ARUN_FCHKVAL_S>-DAT01_NEW = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FSH_ARUN_FCHKVAL_S-ELIKZ_NEW, sy-vline,
  WA_FSH_ARUN_FCHKVAL_S-LGONR_NEW, sy-vline,
  WA_FSH_ARUN_FCHKVAL_S-LOEKZ_NEW, sy-vline,
  WA_FSH_ARUN_FCHKVAL_S-MENGE_NEW, sy-vline,
  WA_FSH_ARUN_FCHKVAL_S-FSH_SEASON_YEAR_NEW, sy-vline,
  WA_FSH_ARUN_FCHKVAL_S-FSH_SEASON_NEW, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FSH_ARUN_FCHKVAL_S 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_FSH_ARUN_FCHKVAL_S 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_FSH_ARUN_FCHKVAL_S INTO WA_FSH_ARUN_FCHKVAL_S.


*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 MATN1, internal->external for field MATNR_NEW
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FSH_ARUN_FCHKVAL_S-MATNR_NEW
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSH_ARUN_FCHKVAL_S-MATNR_NEW.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_OLD
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FSH_ARUN_FCHKVAL_S-MATNR_OLD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FSH_ARUN_FCHKVAL_S-MATNR_OLD.
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_FSH_ARUN_FCHKVAL_S_STR, 
MATNR_NEW TYPE STRING,
WERKS_NEW TYPE STRING,
CHARG_NEW TYPE STRING,
EINDT_NEW TYPE STRING,
DAT01_NEW TYPE STRING,
ELIKZ_NEW TYPE STRING,
LGONR_NEW TYPE STRING,
LOEKZ_NEW TYPE STRING,
MENGE_NEW TYPE STRING,
FSH_SEASON_YEAR_NEW TYPE STRING,
FSH_SEASON_NEW TYPE STRING,
FSH_COLLECTION_NEW TYPE STRING,
FSH_THEME_NEW TYPE STRING,
FSH_CANDATE_NEW TYPE STRING,
MATNR_OLD TYPE STRING,
SGT_RCAT_NEW TYPE STRING,
SGT_SCAT_NEW TYPE STRING,
CHARG_OLD TYPE STRING,
EINDT_OLD TYPE STRING,
DAT01_OLD TYPE STRING,
ELIKZ_OLD TYPE STRING,
LGONR_OLD TYPE STRING,
LOEKZ_OLD TYPE STRING,
MENGE_OLD TYPE STRING,
WERKS_OLD TYPE STRING,
SGT_RCAT_OLD TYPE STRING,
SGT_SCAT_OLD TYPE STRING,
FSH_SEASON_YEAR_OLD TYPE STRING,
FSH_SEASON_OLD TYPE STRING,
FSH_COLLECTION_OLD TYPE STRING,
FSH_THEME_OLD TYPE STRING,
FSH_CANDATE_OLD TYPE STRING,
RETPO_OLD TYPE STRING,
RETPO_NEW TYPE STRING,
RESLO_OLD TYPE STRING,
RESLO_NEW TYPE STRING,
DABMG_OLD TYPE STRING,
DABMG_NEW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FSH_ARUN_FCHKVAL_S_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_FSH_ARUN_FCHKVAL_S_STR-MATNR_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-WERKS_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-CHARG_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-EINDT_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-DAT01_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-ELIKZ_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-LGONR_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-LOEKZ_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-MENGE_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_SEASON_YEAR_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_SEASON_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_COLLECTION_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_THEME_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_CANDATE_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-MATNR_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-SGT_RCAT_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-SGT_SCAT_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-CHARG_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-EINDT_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-DAT01_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-ELIKZ_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-LGONR_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-LOEKZ_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-MENGE_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-WERKS_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-SGT_RCAT_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-SGT_SCAT_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_SEASON_YEAR_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_SEASON_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_COLLECTION_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_THEME_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-FSH_CANDATE_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-RETPO_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-RETPO_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-RESLO_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-RESLO_NEW sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-DABMG_OLD sy-vline 
WA_FSH_ARUN_FCHKVAL_S_STR-DABMG_NEW sy-vline      INTO ld_text SEPARATED BY SPACE.

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