ABAP Select data from SAP table RJKSDINFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RJKSDINFO
*  INTO TABLE @DATA(IT_RJKSDINFO2).
*--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_RJKSDINFO INDEX 1 INTO DATA(WA_RJKSDINFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RJKSDINFO>-VBELN = 1.
<RJKSDINFO>-POSNR = 1.
<RJKSDINFO>-AUART = 1.
<RJKSDINFO>-PSTYV = 1.
<RJKSDINFO>-VKORG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RJKSDINFO-VTWEG, sy-vline,
  WA_RJKSDINFO-SPART, sy-vline,
  WA_RJKSDINFO-VKBUR, sy-vline,
  WA_RJKSDINFO-VKGRP, sy-vline,
  WA_RJKSDINFO-CANCELED, sy-vline,
  WA_RJKSDINFO-MATNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RJKSDINFO 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_RJKSDINFO 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_RJKSDINFO INTO WA_RJKSDINFO.


*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_RJKSDINFO-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDINFO-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDINFO-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDINFO-AUART.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field RETURN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RJKSDINFO-RETURN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RJKSDINFO-RETURN.
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_RJKSDINFO_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
AUART TYPE STRING,
PSTYV TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
VKBUR TYPE STRING,
VKGRP TYPE STRING,
CANCELED TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
VALID_FROM TYPE STRING,
VALID_UNTIL TYPE STRING,
ICON_VALID TYPE STRING,
SHIP_TO TYPE STRING,
NAME_SHIP_TO TYPE STRING,
SOLD_TO TYPE STRING,
NAME_SOLD_TO TYPE STRING,
RETURN TYPE STRING,
NAME_OF_RETURN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RJKSDINFO_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_RJKSDINFO_STR-VBELN sy-vline 
WA_RJKSDINFO_STR-POSNR sy-vline 
WA_RJKSDINFO_STR-AUART sy-vline 
WA_RJKSDINFO_STR-PSTYV sy-vline 
WA_RJKSDINFO_STR-VKORG sy-vline 
WA_RJKSDINFO_STR-VTWEG sy-vline 
WA_RJKSDINFO_STR-SPART sy-vline 
WA_RJKSDINFO_STR-VKBUR sy-vline 
WA_RJKSDINFO_STR-VKGRP sy-vline 
WA_RJKSDINFO_STR-CANCELED sy-vline 
WA_RJKSDINFO_STR-MATNR sy-vline 
WA_RJKSDINFO_STR-MAKTX sy-vline 
WA_RJKSDINFO_STR-VALID_FROM sy-vline 
WA_RJKSDINFO_STR-VALID_UNTIL sy-vline 
WA_RJKSDINFO_STR-ICON_VALID sy-vline 
WA_RJKSDINFO_STR-SHIP_TO sy-vline 
WA_RJKSDINFO_STR-NAME_SHIP_TO sy-vline 
WA_RJKSDINFO_STR-SOLD_TO sy-vline 
WA_RJKSDINFO_STR-NAME_SOLD_TO sy-vline 
WA_RJKSDINFO_STR-RETURN sy-vline 
WA_RJKSDINFO_STR-NAME_OF_RETURN sy-vline      INTO ld_text SEPARATED BY SPACE.

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