ABAP Select data from SAP table RJKWWW01 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJKWWW01 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 RJKWWW01. 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 RJKWWW01 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_RJKWWW01 TYPE STANDARD TABLE OF RJKWWW01,
      WA_RJKWWW01 TYPE RJKWWW01,
      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: <RJKWWW01> TYPE RJKWWW01.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RJKWWW01.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RJKWWW01
  INTO TABLE IT_RJKWWW01.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKWWW01
*  INTO TABLE @DATA(IT_RJKWWW012).
*--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_RJKWWW01 INDEX 1 INTO DATA(WA_RJKWWW012).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RJKWWW01 ASSIGNING <RJKWWW01>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKWWW01>-VKORG = 1.
<RJKWWW01>-VTWEG = 1.
<RJKWWW01>-SPART = 1.
<RJKWWW01>-AUART = 1.
<RJKWWW01>-VKBUR = 1.

ENDLOOP.

LOOP AT IT_RJKWWW01 INTO WA_RJKWWW01.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKWWW01-VKGRP, sy-vline,
  WA_RJKWWW01-KURST, sy-vline,
  WA_RJKWWW01-WAERS, sy-vline,
  WA_RJKWWW01-POART, sy-vline,
  WA_RJKWWW01-XNEGOPTION, sy-vline,
  WA_RJKWWW01-WERBEART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKWWW01 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_RJKWWW01 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_RJKWWW01 INTO WA_RJKWWW01.


*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 WERBEART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-WERBEART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-WERBEART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field WERBEAKT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-WERBEAKT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-WERBEAKT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DRERZ
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-DRERZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-DRERZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PVA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-PVA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-PVA.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_FIX
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_FIX
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_FIX.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_VAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_VAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_VAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_CHECK_AG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_CHECK_AG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_CHECK_AG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_CHECK_WE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_CHECK_WE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_CHECK_WE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_CHECK_RE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_CHECK_RE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_CHECK_RE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KEY_CHECK_VM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-KEY_CHECK_VM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-KEY_CHECK_VM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JKTOKD_AG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-JKTOKD_AG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-JKTOKD_AG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JKTOKD_WE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-JKTOKD_WE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-JKTOKD_WE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JKTOKD_RE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-JKTOKD_RE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-JKTOKD_RE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JKTOKD_VM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-JKTOKD_VM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-JKTOKD_VM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPAG_LOGON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-GPAG_LOGON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-GPAG_LOGON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GPVERM_LOGON
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-GPVERM_LOGON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-GPVERM_LOGON.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MCAMP, internal->external for field MARKETING_CAMP
CALL FUNCTION 'CONVERSION_EXIT_MCAMP_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-MARKETING_CAMP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-MARKETING_CAMP.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field VKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW01-VKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW01-VKONT.
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_RJKWWW01_STR, 
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
AUART TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
KURST TYPE STRING,
WAERS TYPE STRING,
POART TYPE STRING,
XNEGOPTION TYPE STRING,
WERBEART TYPE STRING,
WERBEAKT TYPE STRING,
KDGRP TYPE STRING,
KONDA TYPE STRING,
RCODE TYPE STRING,
KUENDGRD TYPE STRING,
WERBTRAEG TYPE STRING,
DRERZ TYPE STRING,
PVA TYPE STRING,
BEZUGSTYP TYPE STRING,
LIEFERART TYPE STRING,
BEZPER TYPE STRING,
BEZUGGRD TYPE STRING,
PERFK TYPE STRING,
FKPER TYPE STRING,
ETMENGE TYPE STRING,
MATNR TYPE STRING,
XINET_USER TYPE STRING,
XCANCELLATION TYPE STRING,
XIMMATRIK TYPE STRING,
DUEDAY TYPE STRING,
XRECHDRUCK TYPE STRING,
TEXT_IAC TYPE STRING,
KEY_FIX TYPE STRING,
KEY_VAR TYPE STRING,
XWEOBL TYPE STRING,
XREOBL TYPE STRING,
XVM_NE_AG TYPE STRING,
KEY_CHECK_AG TYPE STRING,
KEY_CHECK_WE TYPE STRING,
KEY_CHECK_RE TYPE STRING,
KEY_CHECK_VM TYPE STRING,
DATA_TARGET TYPE STRING,
XCCARD_TO_BP TYPE STRING,
VALDAYS TYPE STRING,
VALISSUES TYPE STRING,
LAND1_INIT TYPE STRING,
ALIAS_HANDLING TYPE STRING,
FM_ALIAS_SYSTEM TYPE STRING,
PASSW_HANDLING TYPE STRING,
IAC2CRM_CONNECT TYPE STRING,
BPCRM_ROLE TYPE STRING,
XIAC_PROTOCOL TYPE STRING,
JKTOKD_AG TYPE STRING,
JKTOKD_WE TYPE STRING,
JKTOKD_RE TYPE STRING,
JKTOKD_VM TYPE STRING,
UVADR_ACCEPT TYPE STRING,
DUBL_EMAIL TYPE STRING,
DUBL_TEL TYPE STRING,
GUELTIGVON TYPE STRING,
GUELTIGVON_INPUT TYPE STRING,
GUELTIGBIS TYPE STRING,
PASSWORD_BP TYPE STRING,
PASSWORD_REPEAT TYPE STRING,
GPAG_LOGON TYPE STRING,
PASSWORD_LOGON TYPE STRING,
GPVERM_LOGON TYPE STRING,
USERALIAS_LOGON TYPE STRING,
MARKETING_CAMP TYPE STRING,
USERALIAS_IU TYPE STRING,
XEMAIL_ADD_TO_BP TYPE STRING,
XFICA_ACTIVE TYPE STRING,
IMMATDAT TYPE STRING,
VKONT TYPE STRING,
REFBELEG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKWWW01_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_RJKWWW01_STR-VKORG sy-vline 
WA_RJKWWW01_STR-VTWEG sy-vline 
WA_RJKWWW01_STR-SPART sy-vline 
WA_RJKWWW01_STR-AUART sy-vline 
WA_RJKWWW01_STR-VKBUR sy-vline 
WA_RJKWWW01_STR-VKGRP sy-vline 
WA_RJKWWW01_STR-KURST sy-vline 
WA_RJKWWW01_STR-WAERS sy-vline 
WA_RJKWWW01_STR-POART sy-vline 
WA_RJKWWW01_STR-XNEGOPTION sy-vline 
WA_RJKWWW01_STR-WERBEART sy-vline 
WA_RJKWWW01_STR-WERBEAKT sy-vline 
WA_RJKWWW01_STR-KDGRP sy-vline 
WA_RJKWWW01_STR-KONDA sy-vline 
WA_RJKWWW01_STR-RCODE sy-vline 
WA_RJKWWW01_STR-KUENDGRD sy-vline 
WA_RJKWWW01_STR-WERBTRAEG sy-vline 
WA_RJKWWW01_STR-DRERZ sy-vline 
WA_RJKWWW01_STR-PVA sy-vline 
WA_RJKWWW01_STR-BEZUGSTYP sy-vline 
WA_RJKWWW01_STR-LIEFERART sy-vline 
WA_RJKWWW01_STR-BEZPER sy-vline 
WA_RJKWWW01_STR-BEZUGGRD sy-vline 
WA_RJKWWW01_STR-PERFK sy-vline 
WA_RJKWWW01_STR-FKPER sy-vline 
WA_RJKWWW01_STR-ETMENGE sy-vline 
WA_RJKWWW01_STR-MATNR sy-vline 
WA_RJKWWW01_STR-XINET_USER sy-vline 
WA_RJKWWW01_STR-XCANCELLATION sy-vline 
WA_RJKWWW01_STR-XIMMATRIK sy-vline 
WA_RJKWWW01_STR-DUEDAY sy-vline 
WA_RJKWWW01_STR-XRECHDRUCK sy-vline 
WA_RJKWWW01_STR-TEXT_IAC sy-vline 
WA_RJKWWW01_STR-KEY_FIX sy-vline 
WA_RJKWWW01_STR-KEY_VAR sy-vline 
WA_RJKWWW01_STR-XWEOBL sy-vline 
WA_RJKWWW01_STR-XREOBL sy-vline 
WA_RJKWWW01_STR-XVM_NE_AG sy-vline 
WA_RJKWWW01_STR-KEY_CHECK_AG sy-vline 
WA_RJKWWW01_STR-KEY_CHECK_WE sy-vline 
WA_RJKWWW01_STR-KEY_CHECK_RE sy-vline 
WA_RJKWWW01_STR-KEY_CHECK_VM sy-vline 
WA_RJKWWW01_STR-DATA_TARGET sy-vline 
WA_RJKWWW01_STR-XCCARD_TO_BP sy-vline 
WA_RJKWWW01_STR-VALDAYS sy-vline 
WA_RJKWWW01_STR-VALISSUES sy-vline 
WA_RJKWWW01_STR-LAND1_INIT sy-vline 
WA_RJKWWW01_STR-ALIAS_HANDLING sy-vline 
WA_RJKWWW01_STR-FM_ALIAS_SYSTEM sy-vline 
WA_RJKWWW01_STR-PASSW_HANDLING sy-vline 
WA_RJKWWW01_STR-IAC2CRM_CONNECT sy-vline 
WA_RJKWWW01_STR-BPCRM_ROLE sy-vline 
WA_RJKWWW01_STR-XIAC_PROTOCOL sy-vline 
WA_RJKWWW01_STR-JKTOKD_AG sy-vline 
WA_RJKWWW01_STR-JKTOKD_WE sy-vline 
WA_RJKWWW01_STR-JKTOKD_RE sy-vline 
WA_RJKWWW01_STR-JKTOKD_VM sy-vline 
WA_RJKWWW01_STR-UVADR_ACCEPT sy-vline 
WA_RJKWWW01_STR-DUBL_EMAIL sy-vline 
WA_RJKWWW01_STR-DUBL_TEL sy-vline 
WA_RJKWWW01_STR-GUELTIGVON sy-vline 
WA_RJKWWW01_STR-GUELTIGVON_INPUT sy-vline 
WA_RJKWWW01_STR-GUELTIGBIS sy-vline 
WA_RJKWWW01_STR-PASSWORD_BP sy-vline 
WA_RJKWWW01_STR-PASSWORD_REPEAT sy-vline 
WA_RJKWWW01_STR-GPAG_LOGON sy-vline 
WA_RJKWWW01_STR-PASSWORD_LOGON sy-vline 
WA_RJKWWW01_STR-GPVERM_LOGON sy-vline 
WA_RJKWWW01_STR-USERALIAS_LOGON sy-vline 
WA_RJKWWW01_STR-MARKETING_CAMP sy-vline 
WA_RJKWWW01_STR-USERALIAS_IU sy-vline 
WA_RJKWWW01_STR-XEMAIL_ADD_TO_BP sy-vline 
WA_RJKWWW01_STR-XFICA_ACTIVE sy-vline 
WA_RJKWWW01_STR-IMMATDAT sy-vline 
WA_RJKWWW01_STR-VKONT sy-vline 
WA_RJKWWW01_STR-REFBELEG sy-vline      INTO ld_text SEPARATED BY SPACE.

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