ABAP Select data from SAP table /SAPAPO/RMCP6 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/RMCP6 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 /SAPAPO/RMCP6. 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 /SAPAPO/RMCP6 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_/SAPAPO/RMCP6 TYPE STANDARD TABLE OF /SAPAPO/RMCP6,
      WA_/SAPAPO/RMCP6 TYPE /SAPAPO/RMCP6,
      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: </SAPAPO/RMCP6> TYPE /SAPAPO/RMCP6.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SAPAPO/RMCP6.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/RMCP6
  INTO TABLE IT_/SAPAPO/RMCP6.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RMCP6
*  INTO TABLE @DATA(IT_/SAPAPO/RMCP62).
*--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_/SAPAPO/RMCP6 INDEX 1 INTO DATA(WA_/SAPAPO/RMCP62).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/RMCP6 ASSIGNING </SAPAPO/RMCP6>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RMCP6>-MANDT = 1.
</SAPAPO/RMCP6>-SPRAS = 1.
</SAPAPO/RMCP6>-SCTYP = 1.
</SAPAPO/RMCP6>-SCTXT = 1.
</SAPAPO/RMCP6>-GSTRU = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/RMCP6 INTO WA_/SAPAPO/RMCP6.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RMCP6-MCINF, sy-vline,
  WA_/SAPAPO/RMCP6-ISTXT, sy-vline,
  WA_/SAPAPO/RMCP6-FLGZA, sy-vline,
  WA_/SAPAPO/RMCP6-FLGAM, sy-vline,
  WA_/SAPAPO/RMCP6-FLGMA, sy-vline,
  WA_/SAPAPO/RMCP6-FLG_OWNER_ONLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RMCP6 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_/SAPAPO/RMCP6 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_/SAPAPO/RMCP6 INTO WA_/SAPAPO/RMCP6.


*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 ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RMCP6-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RMCP6-SPRAS.
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_/SAPAPO/RMCP6_STR, 
MANDT TYPE STRING,
SPRAS TYPE STRING,
SCTYP TYPE STRING,
SCTXT TYPE STRING,
GSTRU TYPE STRING,
MCINF TYPE STRING,
ISTXT TYPE STRING,
FLGZA TYPE STRING,
FLGAM TYPE STRING,
FLGMA TYPE STRING,
FLG_OWNER_ONLY TYPE STRING,
FLGSP TYPE STRING,
FLGMP TYPE STRING,
FLGKP TYPE STRING,
HIPER TYPE STRING,
FUPER TYPE STRING,
PLBEG TYPE STRING,
REPER TYPE STRING,
HINPU TYPE STRING,
LINET TYPE STRING,
LINE_IN TYPE STRING,
LINE_OUT TYPE STRING,
LINE_DUM TYPE STRING,
LINE_HLP TYPE STRING,
LINE_LCP TYPE STRING,
LINE_STD TYPE STRING,
LINE_TXT TYPE STRING,
LINE_PLO TYPE STRING,
LINE_STRU TYPE STRING,
LINE_FORM TYPE STRING,
LINE_TEXT TYPE STRING,
TABHK TYPE STRING,
FELDH TYPE STRING,
LINKZ TYPE STRING,
LINTX TYPE STRING,
STDTX TYPE STRING,
FLGFC TYPE STRING,
FLGVI TYPE STRING,
FLGAS TYPE STRING,
FLGDS TYPE STRING,
FLGDZ TYPE STRING,
RETYP TYPE STRING,
RELEN TYPE STRING,
REP_KENNZ TYPE STRING,
REP_PLOBJ TYPE STRING,
REP_NIX TYPE STRING,
LDESC TYPE STRING,
INFUN TYPE STRING,
OUFUN TYPE STRING,
MAKRO TYPE STRING,
DMAKRO TYPE STRING,
EMAKRO TYPE STRING,
SMAKRO TYPE STRING,
MTEXT TYPE STRING,
MARCA TYPE STRING,
DISPL TYPE STRING,
CALFD TYPE STRING,
Z1 TYPE STRING,
Z2 TYPE STRING,
Z3 TYPE STRING,
OPER1 TYPE STRING,
OPER2 TYPE STRING,
OPER3 TYPE STRING,
OP TYPE STRING,
OPTYP TYPE STRING,
O1 TYPE STRING,
SUTYP TYPE STRING,
SUMAK TYPE STRING,
ARKZ1 TYPE STRING,
ARKZ2 TYPE STRING,
ARKZ3 TYPE STRING,
EHBA1 TYPE STRING,
EHBA2 TYPE STRING,
EHBA3 TYPE STRING,
RELE1 TYPE STRING,
RELE2 TYPE STRING,
RELE3 TYPE STRING,
DISKZ TYPE STRING,
MARKZ TYPE STRING,
HBLI TYPE STRING,
HBLI1 TYPE STRING,
HBLI2 TYPE STRING,
HBLI3 TYPE STRING,
SCRDD TYPE STRING,
SCRKD TYPE STRING,
SCRRD TYPE STRING,
CDAT TYPE STRING,
CTIME TYPE STRING,
AUTOR TYPE STRING,
UDAT TYPE STRING,
UTIME TYPE STRING,
UPNAM TYPE STRING,
LAGERB_1 TYPE STRING,
LAGERB_2 TYPE STRING,
LAGERB_3 TYPE STRING,
LAGERB_4 TYPE STRING,
LAGERB_5 TYPE STRING,
RWEI TYPE STRING,
RWPR TYPE STRING,
LSUM TYPE STRING,
UWAE TYPE STRING,
FLGAE TYPE STRING,
FLGRA TYPE STRING,
UME TYPE STRING,
HPRAST TYPE STRING,
FPRAST TYPE STRING,
FIRSTCIN TYPE STRING,
FIRSTVIS TYPE STRING,
FLG_NO_H_INPUT TYPE STRING,
FLG_NO_H_VISIBLE TYPE STRING,
BASE_TEXT_DISAGG TYPE STRING,
RADIO_KENNZ_AGG TYPE STRING,
ELINE TYPE STRING,
BOOKTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RMCP6_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_/SAPAPO/RMCP6_STR-MANDT sy-vline 
WA_/SAPAPO/RMCP6_STR-SPRAS sy-vline 
WA_/SAPAPO/RMCP6_STR-SCTYP sy-vline 
WA_/SAPAPO/RMCP6_STR-SCTXT sy-vline 
WA_/SAPAPO/RMCP6_STR-GSTRU sy-vline 
WA_/SAPAPO/RMCP6_STR-MCINF sy-vline 
WA_/SAPAPO/RMCP6_STR-ISTXT sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGZA sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGAM sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGMA sy-vline 
WA_/SAPAPO/RMCP6_STR-FLG_OWNER_ONLY sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGSP sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGMP sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGKP sy-vline 
WA_/SAPAPO/RMCP6_STR-HIPER sy-vline 
WA_/SAPAPO/RMCP6_STR-FUPER sy-vline 
WA_/SAPAPO/RMCP6_STR-PLBEG sy-vline 
WA_/SAPAPO/RMCP6_STR-REPER sy-vline 
WA_/SAPAPO/RMCP6_STR-HINPU sy-vline 
WA_/SAPAPO/RMCP6_STR-LINET sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_IN sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_OUT sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_DUM sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_HLP sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_LCP sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_STD sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_TXT sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_PLO sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_STRU sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_FORM sy-vline 
WA_/SAPAPO/RMCP6_STR-LINE_TEXT sy-vline 
WA_/SAPAPO/RMCP6_STR-TABHK sy-vline 
WA_/SAPAPO/RMCP6_STR-FELDH sy-vline 
WA_/SAPAPO/RMCP6_STR-LINKZ sy-vline 
WA_/SAPAPO/RMCP6_STR-LINTX sy-vline 
WA_/SAPAPO/RMCP6_STR-STDTX sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGFC sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGVI sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGAS sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGDS sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGDZ sy-vline 
WA_/SAPAPO/RMCP6_STR-RETYP sy-vline 
WA_/SAPAPO/RMCP6_STR-RELEN sy-vline 
WA_/SAPAPO/RMCP6_STR-REP_KENNZ sy-vline 
WA_/SAPAPO/RMCP6_STR-REP_PLOBJ sy-vline 
WA_/SAPAPO/RMCP6_STR-REP_NIX sy-vline 
WA_/SAPAPO/RMCP6_STR-LDESC sy-vline 
WA_/SAPAPO/RMCP6_STR-INFUN sy-vline 
WA_/SAPAPO/RMCP6_STR-OUFUN sy-vline 
WA_/SAPAPO/RMCP6_STR-MAKRO sy-vline 
WA_/SAPAPO/RMCP6_STR-DMAKRO sy-vline 
WA_/SAPAPO/RMCP6_STR-EMAKRO sy-vline 
WA_/SAPAPO/RMCP6_STR-SMAKRO sy-vline 
WA_/SAPAPO/RMCP6_STR-MTEXT sy-vline 
WA_/SAPAPO/RMCP6_STR-MARCA sy-vline 
WA_/SAPAPO/RMCP6_STR-DISPL sy-vline 
WA_/SAPAPO/RMCP6_STR-CALFD sy-vline 
WA_/SAPAPO/RMCP6_STR-Z1 sy-vline 
WA_/SAPAPO/RMCP6_STR-Z2 sy-vline 
WA_/SAPAPO/RMCP6_STR-Z3 sy-vline 
WA_/SAPAPO/RMCP6_STR-OPER1 sy-vline 
WA_/SAPAPO/RMCP6_STR-OPER2 sy-vline 
WA_/SAPAPO/RMCP6_STR-OPER3 sy-vline 
WA_/SAPAPO/RMCP6_STR-OP sy-vline 
WA_/SAPAPO/RMCP6_STR-OPTYP sy-vline 
WA_/SAPAPO/RMCP6_STR-O1 sy-vline 
WA_/SAPAPO/RMCP6_STR-SUTYP sy-vline 
WA_/SAPAPO/RMCP6_STR-SUMAK sy-vline 
WA_/SAPAPO/RMCP6_STR-ARKZ1 sy-vline 
WA_/SAPAPO/RMCP6_STR-ARKZ2 sy-vline 
WA_/SAPAPO/RMCP6_STR-ARKZ3 sy-vline 
WA_/SAPAPO/RMCP6_STR-EHBA1 sy-vline 
WA_/SAPAPO/RMCP6_STR-EHBA2 sy-vline 
WA_/SAPAPO/RMCP6_STR-EHBA3 sy-vline 
WA_/SAPAPO/RMCP6_STR-RELE1 sy-vline 
WA_/SAPAPO/RMCP6_STR-RELE2 sy-vline 
WA_/SAPAPO/RMCP6_STR-RELE3 sy-vline 
WA_/SAPAPO/RMCP6_STR-DISKZ sy-vline 
WA_/SAPAPO/RMCP6_STR-MARKZ sy-vline 
WA_/SAPAPO/RMCP6_STR-HBLI sy-vline 
WA_/SAPAPO/RMCP6_STR-HBLI1 sy-vline 
WA_/SAPAPO/RMCP6_STR-HBLI2 sy-vline 
WA_/SAPAPO/RMCP6_STR-HBLI3 sy-vline 
WA_/SAPAPO/RMCP6_STR-SCRDD sy-vline 
WA_/SAPAPO/RMCP6_STR-SCRKD sy-vline 
WA_/SAPAPO/RMCP6_STR-SCRRD sy-vline 
WA_/SAPAPO/RMCP6_STR-CDAT sy-vline 
WA_/SAPAPO/RMCP6_STR-CTIME sy-vline 
WA_/SAPAPO/RMCP6_STR-AUTOR sy-vline 
WA_/SAPAPO/RMCP6_STR-UDAT sy-vline 
WA_/SAPAPO/RMCP6_STR-UTIME sy-vline 
WA_/SAPAPO/RMCP6_STR-UPNAM sy-vline 
WA_/SAPAPO/RMCP6_STR-LAGERB_1 sy-vline 
WA_/SAPAPO/RMCP6_STR-LAGERB_2 sy-vline 
WA_/SAPAPO/RMCP6_STR-LAGERB_3 sy-vline 
WA_/SAPAPO/RMCP6_STR-LAGERB_4 sy-vline 
WA_/SAPAPO/RMCP6_STR-LAGERB_5 sy-vline 
WA_/SAPAPO/RMCP6_STR-RWEI sy-vline 
WA_/SAPAPO/RMCP6_STR-RWPR sy-vline 
WA_/SAPAPO/RMCP6_STR-LSUM sy-vline 
WA_/SAPAPO/RMCP6_STR-UWAE sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGAE sy-vline 
WA_/SAPAPO/RMCP6_STR-FLGRA sy-vline 
WA_/SAPAPO/RMCP6_STR-UME sy-vline 
WA_/SAPAPO/RMCP6_STR-HPRAST sy-vline 
WA_/SAPAPO/RMCP6_STR-FPRAST sy-vline 
WA_/SAPAPO/RMCP6_STR-FIRSTCIN sy-vline 
WA_/SAPAPO/RMCP6_STR-FIRSTVIS sy-vline 
WA_/SAPAPO/RMCP6_STR-FLG_NO_H_INPUT sy-vline 
WA_/SAPAPO/RMCP6_STR-FLG_NO_H_VISIBLE sy-vline 
WA_/SAPAPO/RMCP6_STR-BASE_TEXT_DISAGG sy-vline 
WA_/SAPAPO/RMCP6_STR-RADIO_KENNZ_AGG sy-vline 
WA_/SAPAPO/RMCP6_STR-ELINE sy-vline 
WA_/SAPAPO/RMCP6_STR-BOOKTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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