ABAP Select data from SAP table /SCMTMS/S_TEND_RANKING_LIST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/S_TEND_RANKING_LIST 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 /SCMTMS/S_TEND_RANKING_LIST. 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 /SCMTMS/S_TEND_RANKING_LIST 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_/SCMTMS/S_TEND_RANKING_LIST TYPE STANDARD TABLE OF /SCMTMS/S_TEND_RANKING_LIST,
      WA_/SCMTMS/S_TEND_RANKING_LIST TYPE /SCMTMS/S_TEND_RANKING_LIST,
      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: </SCMTMS/S_TEND_RANKING_LIST> TYPE /SCMTMS/S_TEND_RANKING_LIST.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/S_TEND_RANKING_LIST
  INTO TABLE IT_/SCMTMS/S_TEND_RANKING_LIST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_TEND_RANKING_LIST
*  INTO TABLE @DATA(IT_/SCMTMS/S_TEND_RANKING_LIST2).
*--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_/SCMTMS/S_TEND_RANKING_LIST INDEX 1 INTO DATA(WA_/SCMTMS/S_TEND_RANKING_LIST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/S_TEND_RANKING_LIST ASSIGNING </SCMTMS/S_TEND_RANKING_LIST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_TEND_RANKING_LIST>-KEY = 1.
</SCMTMS/S_TEND_RANKING_LIST>-PARENT_KEY = 1.
</SCMTMS/S_TEND_RANKING_LIST>-ROOT_KEY = 1.
</SCMTMS/S_TEND_RANKING_LIST>-TSP_KEY = 1.
</SCMTMS/S_TEND_RANKING_LIST>-RANKING_NUMBER = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/S_TEND_RANKING_LIST INTO WA_/SCMTMS/S_TEND_RANKING_LIST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_TEND_RANKING_LIST-CURRCODE016, sy-vline,
  WA_/SCMTMS/S_TEND_RANKING_LIST-AMOUNT, sy-vline,
  WA_/SCMTMS/S_TEND_RANKING_LIST-PERF_PCT, sy-vline,
  WA_/SCMTMS/S_TEND_RANKING_LIST-TSP_PRIO, sy-vline,
  WA_/SCMTMS/S_TEND_RANKING_LIST-CONT_MOVE, sy-vline,
  WA_/SCMTMS/S_TEND_RANKING_LIST-CONTMOVE_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_TEND_RANKING_LIST 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_/SCMTMS/S_TEND_RANKING_LIST 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_/SCMTMS/S_TEND_RANKING_LIST INTO WA_/SCMTMS/S_TEND_RANKING_LIST.


*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 ID001, internal->external for field TSP_KEY
CALL FUNCTION 'CONVERSION_EXIT_ID001_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TEND_RANKING_LIST-TSP_KEY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TEND_RANKING_LIST-TSP_KEY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CM_ID, internal->external for field CONTMOVE_ID
CALL FUNCTION 'CONVERSION_EXIT_CM_ID_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TEND_RANKING_LIST-CONTMOVE_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TEND_RANKING_LIST-CONTMOVE_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field TSP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_TEND_RANKING_LIST-TSP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_TEND_RANKING_LIST-TSP_ID.
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_/SCMTMS/S_TEND_RANKING_LIST_STR, 
KEY TYPE STRING,
PARENT_KEY TYPE STRING,
ROOT_KEY TYPE STRING,
TSP_KEY TYPE STRING,
RANKING_NUMBER TYPE STRING,
CURRCODE016 TYPE STRING,
AMOUNT TYPE STRING,
PERF_PCT TYPE STRING,
TSP_PRIO TYPE STRING,
CONT_MOVE TYPE STRING,
CONTMOVE_ID TYPE STRING,
MTR TYPE STRING,
SERV_LEV_CODE TYPE STRING,
ORIGIN TYPE STRING,
TRMID TYPE STRING,
FA_KEY TYPE STRING,
FA_ITEM_KEY TYPE STRING,
TEND_P2P_IND TYPE STRING,
TEND_P2PPRIO TYPE STRING,
TEND_BROADC_IND TYPE STRING,
TEND_BROADCPRIO TYPE STRING,
EEW_TOR_DUMMY TYPE STRING,
P2PTEND_IND TYPE STRING,
P2PTENDPRIO TYPE STRING,
BROADCTEND_IND TYPE STRING,
BROADCTENDPRIO TYPE STRING,
TSP_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_TEND_RANKING_LIST_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_/SCMTMS/S_TEND_RANKING_LIST_STR-KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-PARENT_KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-ROOT_KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TSP_KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-RANKING_NUMBER sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-CURRCODE016 sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-AMOUNT sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-PERF_PCT sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TSP_PRIO sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-CONT_MOVE sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-CONTMOVE_ID sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-MTR sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-SERV_LEV_CODE sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-ORIGIN sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TRMID sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-FA_KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-FA_ITEM_KEY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TEND_P2P_IND sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TEND_P2PPRIO sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TEND_BROADC_IND sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TEND_BROADCPRIO sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-EEW_TOR_DUMMY sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-P2PTEND_IND sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-P2PTENDPRIO sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-BROADCTEND_IND sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-BROADCTENDPRIO sy-vline 
WA_/SCMTMS/S_TEND_RANKING_LIST_STR-TSP_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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