ABAP Select data from SAP table EDO_CL_SIGN_WAYBILL_LEDGER_RE4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDO_CL_SIGN_WAYBILL_LEDGER_RE4 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 EDO_CL_SIGN_WAYBILL_LEDGER_RE4. 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 EDO_CL_SIGN_WAYBILL_LEDGER_RE4 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_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 TYPE STANDARD TABLE OF EDO_CL_SIGN_WAYBILL_LEDGER_RE4,
      WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 TYPE EDO_CL_SIGN_WAYBILL_LEDGER_RE4,
      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: <EDO_CL_SIGN_WAYBILL_LEDGER_RE4> TYPE EDO_CL_SIGN_WAYBILL_LEDGER_RE4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_EDO_CL_SIGN_WAYBILL_LEDGER_RE4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EDO_CL_SIGN_WAYBILL_LEDGER_RE4
  INTO TABLE IT_EDO_CL_SIGN_WAYBILL_LEDGER_RE4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDO_CL_SIGN_WAYBILL_LEDGER_RE4
*  INTO TABLE @DATA(IT_EDO_CL_SIGN_WAYBILL_LEDGER_RE42).
*--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_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 INDEX 1 INTO DATA(WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 ASSIGNING <EDO_CL_SIGN_WAYBILL_LEDGER_RE4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDO_CL_SIGN_WAYBILL_LEDGER_RE4>-CONTROLLER = 1.
<EDO_CL_SIGN_WAYBILL_LEDGER_RE4>-ENVIO_LIBRO = 1.
<EDO_CL_SIGN_WAYBILL_LEDGER_RE4>-CONTROLLER = 1.
<EDO_CL_SIGN_WAYBILL_LEDGER_RE4>-CARATULA = 1.
<EDO_CL_SIGN_WAYBILL_LEDGER_RE4>-CONTROLLER = 1.

ENDLOOP.

LOOP AT IT_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 INTO WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-RUT_EMISOR_LIBRO, sy-vline,
  WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-RUT_ENVIA, sy-vline,
  WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-PERIODO_TRIBUTARIO, sy-vline,
  WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-FCH_RESOL, sy-vline,
  WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-NRO_RESOL, sy-vline,
  WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4-TIPO_LIBRO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 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_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 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_EDO_CL_SIGN_WAYBILL_LEDGER_RE4 INTO WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR, 
CONTROLLER TYPE STRING,
ENVIO_LIBRO TYPE STRING,
CONTROLLER TYPE STRING,
CARATULA TYPE STRING,
CONTROLLER TYPE STRING,
RUT_EMISOR_LIBRO TYPE STRING,
RUT_ENVIA TYPE STRING,
PERIODO_TRIBUTARIO TYPE STRING,
FCH_RESOL TYPE STRING,
NRO_RESOL TYPE STRING,
TIPO_LIBRO TYPE STRING,
TIPO_ENVIO TYPE STRING,
NRO_SEGMENTO TYPE STRING,
FOLIO_NOTIFICACION TYPE STRING,
RESUMEN_SEGMENTO TYPE STRING,
CONTROLLER TYPE STRING,
TOT_FOL_ANULADO TYPE STRING,
TOT_GUIA_ANULADA TYPE STRING,
TOT_GUIA_VENTA TYPE STRING,
TOT_MNT_GUIA_VTA TYPE STRING,
TOT_MNT_MODIFICADO TYPE STRING,
TOT_TRASLADO TYPE STRING,
RESUMEN_PERIODO TYPE STRING,
CONTROLLER TYPE STRING,
TOT_FOL_ANULADO TYPE STRING,
TOT_GUIA_ANULADA TYPE STRING,
TOT_GUIA_VENTA TYPE STRING,
TOT_MNT_GUIA_VTA TYPE STRING,
TOT_MNT_MODIFICADO TYPE STRING,
TOT_TRASLADO TYPE STRING,
DETALLE TYPE STRING,
TMST_FIRMA TYPE STRING,
ID TYPE STRING,
VERSION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_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_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CONTROLLER sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-ENVIO_LIBRO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CONTROLLER sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CARATULA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CONTROLLER sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-RUT_EMISOR_LIBRO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-RUT_ENVIA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-PERIODO_TRIBUTARIO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-FCH_RESOL sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-NRO_RESOL sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TIPO_LIBRO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TIPO_ENVIO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-NRO_SEGMENTO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-FOLIO_NOTIFICACION sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-RESUMEN_SEGMENTO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CONTROLLER sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_FOL_ANULADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_GUIA_ANULADA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_GUIA_VENTA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_MNT_GUIA_VTA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_MNT_MODIFICADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_TRASLADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-RESUMEN_PERIODO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-CONTROLLER sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_FOL_ANULADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_GUIA_ANULADA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_GUIA_VENTA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_MNT_GUIA_VTA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_MNT_MODIFICADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TOT_TRASLADO sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-DETALLE sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-TMST_FIRMA sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-ID sy-vline 
WA_EDO_CL_SIGN_WAYBILL_LEDGER_RE4_STR-VERSION sy-vline      INTO ld_text SEPARATED BY SPACE.

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