ABAP Select data from SAP table REORGVIEWS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM REORGVIEWS
*  INTO TABLE @DATA(IT_REORGVIEWS2).
*--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_REORGVIEWS INDEX 1 INTO DATA(WA_REORGVIEWS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<REORGVIEWS>-MANDT = 1.
<REORGVIEWS>-SPRAS = 1.
<REORGVIEWS>-WERKS = 1.
<REORGVIEWS>-EKORG = 1.
<REORGVIEWS>-EKGRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_REORGVIEWS-LIFNR, sy-vline,
  WA_REORGVIEWS-MATNR, sy-vline,
  WA_REORGVIEWS-MAKTX, sy-vline,
  WA_REORGVIEWS-KANBA, sy-vline,
  WA_REORGVIEWS-LOEKZ, sy-vline,
  WA_REORGVIEWS-BSTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_REORGVIEWS 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_REORGVIEWS 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_REORGVIEWS INTO WA_REORGVIEWS.


*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_REORGVIEWS-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REORGVIEWS-SPRAS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field QUNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_REORGVIEWS-QUNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_REORGVIEWS-QUNUM.
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_REORGVIEWS_STR, 
MANDT TYPE STRING,
SPRAS TYPE STRING,
WERKS TYPE STRING,
EKORG TYPE STRING,
EKGRP TYPE STRING,
LIFNR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
KANBA TYPE STRING,
LOEKZ TYPE STRING,
BSTYP TYPE STRING,
BSART TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
ETENR TYPE STRING,
EINDT TYPE STRING,
SLFDT TYPE STRING,
LPEIN TYPE STRING,
MENGE TYPE STRING,
AMENG TYPE STRING,
WEMNG TYPE STRING,
WAMNG TYPE STRING,
UZEIT TYPE STRING,
BANFN TYPE STRING,
BNFPO TYPE STRING,
ESTKZ TYPE STRING,
QUNUM TYPE STRING,
QUPOS TYPE STRING,
MAHNZ TYPE STRING,
BEDAT TYPE STRING,
RSNUM TYPE STRING,
SERNR TYPE STRING,
FIXKZ TYPE STRING,
GLMNG TYPE STRING,
DABMG TYPE STRING,
CHARG TYPE STRING,
LICHA TYPE STRING,
CHKOM TYPE STRING,
VERID TYPE STRING,
ABART TYPE STRING,
MNG02 TYPE STRING,
DAT01 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_REORGVIEWS_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_REORGVIEWS_STR-MANDT sy-vline 
WA_REORGVIEWS_STR-SPRAS sy-vline 
WA_REORGVIEWS_STR-WERKS sy-vline 
WA_REORGVIEWS_STR-EKORG sy-vline 
WA_REORGVIEWS_STR-EKGRP sy-vline 
WA_REORGVIEWS_STR-LIFNR sy-vline 
WA_REORGVIEWS_STR-MATNR sy-vline 
WA_REORGVIEWS_STR-MAKTX sy-vline 
WA_REORGVIEWS_STR-KANBA sy-vline 
WA_REORGVIEWS_STR-LOEKZ sy-vline 
WA_REORGVIEWS_STR-BSTYP sy-vline 
WA_REORGVIEWS_STR-BSART sy-vline 
WA_REORGVIEWS_STR-EBELN sy-vline 
WA_REORGVIEWS_STR-EBELP sy-vline 
WA_REORGVIEWS_STR-ETENR sy-vline 
WA_REORGVIEWS_STR-EINDT sy-vline 
WA_REORGVIEWS_STR-SLFDT sy-vline 
WA_REORGVIEWS_STR-LPEIN sy-vline 
WA_REORGVIEWS_STR-MENGE sy-vline 
WA_REORGVIEWS_STR-AMENG sy-vline 
WA_REORGVIEWS_STR-WEMNG sy-vline 
WA_REORGVIEWS_STR-WAMNG sy-vline 
WA_REORGVIEWS_STR-UZEIT sy-vline 
WA_REORGVIEWS_STR-BANFN sy-vline 
WA_REORGVIEWS_STR-BNFPO sy-vline 
WA_REORGVIEWS_STR-ESTKZ sy-vline 
WA_REORGVIEWS_STR-QUNUM sy-vline 
WA_REORGVIEWS_STR-QUPOS sy-vline 
WA_REORGVIEWS_STR-MAHNZ sy-vline 
WA_REORGVIEWS_STR-BEDAT sy-vline 
WA_REORGVIEWS_STR-RSNUM sy-vline 
WA_REORGVIEWS_STR-SERNR sy-vline 
WA_REORGVIEWS_STR-FIXKZ sy-vline 
WA_REORGVIEWS_STR-GLMNG sy-vline 
WA_REORGVIEWS_STR-DABMG sy-vline 
WA_REORGVIEWS_STR-CHARG sy-vline 
WA_REORGVIEWS_STR-LICHA sy-vline 
WA_REORGVIEWS_STR-CHKOM sy-vline 
WA_REORGVIEWS_STR-VERID sy-vline 
WA_REORGVIEWS_STR-ABART sy-vline 
WA_REORGVIEWS_STR-MNG02 sy-vline 
WA_REORGVIEWS_STR-DAT01 sy-vline      INTO ld_text SEPARATED BY SPACE.

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