ABAP Select data from SAP table RJKWWW_ORDER_COMPL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RJKWWW_ORDER_COMPL 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_ORDER_COMPL. 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_ORDER_COMPL 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_ORDER_COMPL TYPE STANDARD TABLE OF RJKWWW_ORDER_COMPL,
      WA_RJKWWW_ORDER_COMPL TYPE RJKWWW_ORDER_COMPL,
      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_ORDER_COMPL> TYPE RJKWWW_ORDER_COMPL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKWWW_ORDER_COMPL
*  INTO TABLE @DATA(IT_RJKWWW_ORDER_COMPL2).
*--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_ORDER_COMPL INDEX 1 INTO DATA(WA_RJKWWW_ORDER_COMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKWWW_ORDER_COMPL>-XMARKITEM = 1.
<RJKWWW_ORDER_COMPL>-VBELN = 1.
<RJKWWW_ORDER_COMPL>-POSNR = 1.
<RJKWWW_ORDER_COMPL>-GUELTIGVON = 1.
<RJKWWW_ORDER_COMPL>-GUELTIGBIS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKWWW_ORDER_COMPL-POSEX, sy-vline,
  WA_RJKWWW_ORDER_COMPL-POART, sy-vline,
  WA_RJKWWW_ORDER_COMPL-AEART, sy-vline,
  WA_RJKWWW_ORDER_COMPL-KUNWE, sy-vline,
  WA_RJKWWW_ORDER_COMPL-DRERZ, sy-vline,
  WA_RJKWWW_ORDER_COMPL-DRERZ_TXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKWWW_ORDER_COMPL 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_ORDER_COMPL 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_ORDER_COMPL INTO WA_RJKWWW_ORDER_COMPL.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field VBELN_COMPL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKWWW_ORDER_COMPL-VBELN_COMPL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKWWW_ORDER_COMPL-VBELN_COMPL.
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_ORDER_COMPL_STR, 
XMARKITEM TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
GUELTIGVON TYPE STRING,
GUELTIGBIS TYPE STRING,
POSEX TYPE STRING,
POART TYPE STRING,
AEART TYPE STRING,
KUNWE TYPE STRING,
DRERZ TYPE STRING,
DRERZ_TXT TYPE STRING,
PVA TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
AUART TYPE STRING,
BEZPER TYPE STRING,
BEZUGSTYP TYPE STRING,
ETENR TYPE STRING,
BZPERF TYPE STRING,
DELIVSPLITGRP TYPE STRING,
DELIVSPLIT TYPE STRING,
POSNR_MAIN TYPE STRING,
POSNR_SUB TYPE STRING,
XMAINSPLIT TYPE STRING,
X_MONTAG TYPE STRING,
X_DIENSTAG TYPE STRING,
X_MITTWOCH TYPE STRING,
X_DONNETAG TYPE STRING,
X_FREITAG TYPE STRING,
X_SAMSTAG TYPE STRING,
X_SONNTAG TYPE STRING,
VKONT TYPE STRING,
XPAYMODE_FIX TYPE STRING,
COMPLREASON TYPE STRING,
COMPLRESULT TYPE STRING,
COMPLORIGIN TYPE STRING,
COMPLTYPE TYPE STRING,
COMPLDATE TYPE STRING,
MISSINGFROM TYPE STRING,
MISSINGTO TYPE STRING,
PRICE TYPE STRING,
WAERK TYPE STRING,
XKEINHEFT TYPE STRING,
PDCOUNT TYPE STRING,
GUELTIGVON_TOTAL TYPE STRING,
GUELTIGBIS_TOTAL TYPE STRING,
X_LIABILITY_ACC TYPE STRING,
VBELN_COMPL TYPE STRING,
POSNR_COMPL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKWWW_ORDER_COMPL_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_ORDER_COMPL_STR-XMARKITEM sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-VBELN sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POSNR sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-GUELTIGVON sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-GUELTIGBIS sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POSEX sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POART sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-AEART sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-KUNWE sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-DRERZ sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-DRERZ_TXT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-PVA sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-VKORG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-VTWEG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-SPART sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-AUART sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-BEZPER sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-BEZUGSTYP sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-ETENR sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-BZPERF sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-DELIVSPLITGRP sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-DELIVSPLIT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POSNR_MAIN sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POSNR_SUB sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-XMAINSPLIT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_MONTAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_DIENSTAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_MITTWOCH sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_DONNETAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_FREITAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_SAMSTAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_SONNTAG sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-VKONT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-XPAYMODE_FIX sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-COMPLREASON sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-COMPLRESULT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-COMPLORIGIN sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-COMPLTYPE sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-COMPLDATE sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-MISSINGFROM sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-MISSINGTO sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-PRICE sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-WAERK sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-XKEINHEFT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-PDCOUNT sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-GUELTIGVON_TOTAL sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-GUELTIGBIS_TOTAL sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-X_LIABILITY_ACC sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-VBELN_COMPL sy-vline 
WA_RJKWWW_ORDER_COMPL_STR-POSNR_COMPL sy-vline      INTO ld_text SEPARATED BY SPACE.

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