ABAP Select data from SAP table RJKWWW_PROTOCOL_OUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKWWW_PROTOCOL_OUT
*  INTO TABLE @DATA(IT_RJKWWW_PROTOCOL_OUT2).
*--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_RJKWWW_PROTOCOL_OUT INDEX 1 INTO DATA(WA_RJKWWW_PROTOCOL_OUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKWWW_PROTOCOL_OUT>-MANDT = 1.
<RJKWWW_PROTOCOL_OUT>-IACNO = 1.
<RJKWWW_PROTOCOL_OUT>-IAC_TYPE = 1.
<RJKWWW_PROTOCOL_OUT>-KEY_IAC = 1.
<RJKWWW_PROTOCOL_OUT>-CMETHOD = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKWWW_PROTOCOL_OUT-ERFDATE, sy-vline,
  WA_RJKWWW_PROTOCOL_OUT-ERFTIME, sy-vline,
  WA_RJKWWW_PROTOCOL_OUT-GPNR, sy-vline,
  WA_RJKWWW_PROTOCOL_OUT-VBELN, sy-vline,
  WA_RJKWWW_PROTOCOL_OUT-POSNR, sy-vline,
  WA_RJKWWW_PROTOCOL_OUT-ZLSCH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKWWW_PROTOCOL_OUT 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_RJKWWW_PROTOCOL_OUT 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_RJKWWW_PROTOCOL_OUT INTO WA_RJKWWW_PROTOCOL_OUT.


*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 IACNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-IACNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-IACNO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit MCAMP, internal->external for field CAMPAIGN
CALL FUNCTION 'CONVERSION_EXIT_MCAMP_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-CAMPAIGN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-CAMPAIGN.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-SPRAS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TELN1, internal->external for field ISPTELP
CALL FUNCTION 'CONVERSION_EXIT_TELN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-ISPTELP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-ISPTELP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TELN2, internal->external for field ISPTELVWD
CALL FUNCTION 'CONVERSION_EXIT_TELN2_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-ISPTELVWD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-ISPTELVWD.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TELN1, internal->external for field ISPTELD
CALL FUNCTION 'CONVERSION_EXIT_TELN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_PROTOCOL_OUT-ISPTELD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_PROTOCOL_OUT-ISPTELD.
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_RJKWWW_PROTOCOL_OUT_STR, 
MANDT TYPE STRING,
IACNO TYPE STRING,
IAC_TYPE TYPE STRING,
KEY_IAC TYPE STRING,
CMETHOD TYPE STRING,
ERFDATE TYPE STRING,
ERFTIME TYPE STRING,
GPNR TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
ZLSCH TYPE STRING,
GUELTIGVON TYPE STRING,
GUELTIGBIS TYPE STRING,
USERALIAS TYPE STRING,
ICON_IAC_TYPE TYPE STRING,
ICON_CMETHOD TYPE STRING,
GPAG TYPE STRING,
VBTYP TYPE STRING,
AUART TYPE STRING,
AUARTGRP TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKGRP TYPE STRING,
VKBUR TYPE STRING,
POART TYPE STRING,
AEART TYPE STRING,
POSEX TYPE STRING,
KUNWE TYPE STRING,
DRERZ TYPE STRING,
PVA TYPE STRING,
BEZUGSTYP TYPE STRING,
LIEFERART TYPE STRING,
UNTBRGRD TYPE STRING,
BEZUGGRD TYPE STRING,
XUNVLIEFER TYPE STRING,
HEFTNUMVON TYPE STRING,
HEFTNUMBIS TYPE STRING,
CAMPAIGN TYPE STRING,
TEXT_IAC TYPE STRING,
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAME2 TYPE STRING,
NAME3 TYPE STRING,
TITEL TYPE STRING,
PSTLZ TYPE STRING,
PSTLZ_ADDON TYPE STRING,
PFACH TYPE STRING,
ORT01 TYPE STRING,
STRAS TYPE STRING,
HAUSN TYPE STRING,
HSNMR2 TYPE STRING,
PSTL2 TYPE STRING,
PSTL2_ADDON TYPE STRING,
ORTPF TYPE STRING,
LAND1 TYPE STRING,
SPRAS TYPE STRING,
ISPTELP TYPE STRING,
ISPTELVWD TYPE STRING,
ISPTELD TYPE STRING,
ISPHANDY TYPE STRING,
TELFX TYPE STRING,
ISPEMAIL TYPE STRING,
ERFDATE_INET TYPE STRING,
ERFTIME_INET TYPE STRING,
SELKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKWWW_PROTOCOL_OUT_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_RJKWWW_PROTOCOL_OUT_STR-MANDT sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-IACNO sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-IAC_TYPE sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-KEY_IAC sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-CMETHOD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ERFDATE sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ERFTIME sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-GPNR sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VBELN sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-POSNR sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ZLSCH sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-GUELTIGVON sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-GUELTIGBIS sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-USERALIAS sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ICON_IAC_TYPE sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ICON_CMETHOD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-GPAG sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VBTYP sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-AUART sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-AUARTGRP sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VKORG sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VTWEG sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-SPART sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VKGRP sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-VKBUR sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-POART sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-AEART sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-POSEX sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-KUNWE sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-DRERZ sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PVA sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-BEZUGSTYP sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-LIEFERART sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-UNTBRGRD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-BEZUGGRD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-XUNVLIEFER sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-HEFTNUMVON sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-HEFTNUMBIS sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-CAMPAIGN sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-TEXT_IAC sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ANRED sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-NAME1 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-NAME2 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-NAME3 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-TITEL sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PSTLZ sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PSTLZ_ADDON sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PFACH sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ORT01 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-STRAS sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-HAUSN sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-HSNMR2 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PSTL2 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-PSTL2_ADDON sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ORTPF sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-LAND1 sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-SPRAS sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ISPTELP sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ISPTELVWD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ISPTELD sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ISPHANDY sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-TELFX sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ISPEMAIL sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ERFDATE_INET sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-ERFTIME_INET sy-vline 
WA_RJKWWW_PROTOCOL_OUT_STR-SELKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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