ABAP Select data from SAP table BAPI_EWAWA_WEIGHINGOFFLINE_DLS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BAPI_EWAWA_WEIGHINGOFFLINE_DLS
*  INTO TABLE @DATA(IT_BAPI_EWAWA_WEIGHINGOFFLINE_DLS2).
*--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_BAPI_EWAWA_WEIGHINGOFFLINE_DLS INDEX 1 INTO DATA(WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BAPI_EWAWA_WEIGHINGOFFLINE_DLS>-WDPLANT = 1.
<BAPI_EWAWA_WEIGHINGOFFLINE_DLS>-TEWA_EL_007T = 1.
<BAPI_EWAWA_WEIGHINGOFFLINE_DLS>-V_EGUARANTOR = 1.
<BAPI_EWAWA_WEIGHINGOFFLINE_DLS>-KNA1 = 1.
<BAPI_EWAWA_WEIGHINGOFFLINE_DLS>-T052 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-VBUK, sy-vline,
  WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-T006, sy-vline,
  WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-T301, sy-vline,
  WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-LAGP, sy-vline,
  WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-TEWA_WA_001, sy-vline,
  WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS-TEWA_WA_002, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS 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_BAPI_EWAWA_WEIGHINGOFFLINE_DLS 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_BAPI_EWAWA_WEIGHINGOFFLINE_DLS INTO WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS.


*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_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR, 
WDPLANT TYPE STRING,
TEWA_EL_007T TYPE STRING,
V_EGUARANTOR TYPE STRING,
KNA1 TYPE STRING,
T052 TYPE STRING,
VBUK TYPE STRING,
T006 TYPE STRING,
T301 TYPE STRING,
LAGP TYPE STRING,
TEWA_WA_001 TYPE STRING,
TEWA_WA_002 TYPE STRING,
TEWA_WA_003 TYPE STRING,
TEWA_WA_004 TYPE STRING,
DELIVRYBAN TYPE STRING,
T000 TYPE STRING,
T001L TYPE STRING,
V_EWAWA_EQUI_CAR TYPE STRING,
ETYP TYPE STRING,
V_EWAEL_WASTE TYPE STRING,
EVBS TYPE STRING,
APPROVAL TYPE STRING,
TIVG2 TYPE STRING,
ORDER_HEAD TYPE STRING,
PARTNER TYPE STRING,
T001W TYPE STRING,
T300 TYPE STRING,
DISPATCHNOTE TYPE STRING,
VAKPA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_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_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-WDPLANT sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TEWA_EL_007T sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-V_EGUARANTOR sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-KNA1 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T052 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-VBUK sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T006 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T301 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-LAGP sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TEWA_WA_001 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TEWA_WA_002 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TEWA_WA_003 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TEWA_WA_004 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-DELIVRYBAN sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T000 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T001L sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-V_EWAWA_EQUI_CAR sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-ETYP sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-V_EWAEL_WASTE sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-EVBS sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-APPROVAL sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-TIVG2 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-ORDER_HEAD sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-PARTNER sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T001W sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-T300 sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-DISPATCHNOTE sy-vline 
WA_BAPI_EWAWA_WEIGHINGOFFLINE_DLS_STR-VAKPA sy-vline      INTO ld_text SEPARATED BY SPACE.

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