ABAP Select data from SAP table SHP_VL10_BUFFERING into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SHP_VL10_BUFFERING 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 SHP_VL10_BUFFERING. 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 SHP_VL10_BUFFERING 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_SHP_VL10_BUFFERING TYPE STANDARD TABLE OF SHP_VL10_BUFFERING,
      WA_SHP_VL10_BUFFERING TYPE SHP_VL10_BUFFERING,
      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: <SHP_VL10_BUFFERING> TYPE SHP_VL10_BUFFERING.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SHP_VL10_BUFFERING.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SHP_VL10_BUFFERING
  INTO TABLE IT_SHP_VL10_BUFFERING.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SHP_VL10_BUFFERING
*  INTO TABLE @DATA(IT_SHP_VL10_BUFFERING2).
*--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_SHP_VL10_BUFFERING INDEX 1 INTO DATA(WA_SHP_VL10_BUFFERING2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SHP_VL10_BUFFERING ASSIGNING <SHP_VL10_BUFFERING>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SHP_VL10_BUFFERING>-LIKP = 1.
<SHP_VL10_BUFFERING>-LIPS = 1.
<SHP_VL10_BUFFERING>-VBUK = 1.
<SHP_VL10_BUFFERING>-VBUP = 1.
<SHP_VL10_BUFFERING>-VBFA = 1.

ENDLOOP.

LOOP AT IT_SHP_VL10_BUFFERING INTO WA_SHP_VL10_BUFFERING.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SHP_VL10_BUFFERING-VBPA, sy-vline,
  WA_SHP_VL10_BUFFERING-VBAK, sy-vline,
  WA_SHP_VL10_BUFFERING-VBAP, sy-vline,
  WA_SHP_VL10_BUFFERING-VBEP, sy-vline,
  WA_SHP_VL10_BUFFERING-VBKD, sy-vline,
  WA_SHP_VL10_BUFFERING-USE_BUFFER_ONLY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SHP_VL10_BUFFERING 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_SHP_VL10_BUFFERING 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_SHP_VL10_BUFFERING INTO WA_SHP_VL10_BUFFERING.


*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_SHP_VL10_BUFFERING_STR, 
LIKP TYPE STRING,
LIPS TYPE STRING,
VBUK TYPE STRING,
VBUP TYPE STRING,
VBFA TYPE STRING,
VBPA TYPE STRING,
VBAK TYPE STRING,
VBAP TYPE STRING,
VBEP TYPE STRING,
VBKD TYPE STRING,
USE_BUFFER_ONLY TYPE STRING,
FILL_BUFFER TYPE STRING,
VBPA_GENERIC TYPE STRING,
GENERIC TYPE STRING,
VBTYP TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
PARVW TYPE STRING,
WBSTK TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SHP_VL10_BUFFERING_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_SHP_VL10_BUFFERING_STR-LIKP sy-vline 
WA_SHP_VL10_BUFFERING_STR-LIPS sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBUK sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBUP sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBFA sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBPA sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBAK sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBAP sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBEP sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBKD sy-vline 
WA_SHP_VL10_BUFFERING_STR-USE_BUFFER_ONLY sy-vline 
WA_SHP_VL10_BUFFERING_STR-FILL_BUFFER sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBPA_GENERIC sy-vline 
WA_SHP_VL10_BUFFERING_STR-GENERIC sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBTYP sy-vline 
WA_SHP_VL10_BUFFERING_STR-VBELN sy-vline 
WA_SHP_VL10_BUFFERING_STR-POSNR sy-vline 
WA_SHP_VL10_BUFFERING_STR-PARVW sy-vline 
WA_SHP_VL10_BUFFERING_STR-WBSTK sy-vline      INTO ld_text SEPARATED BY SPACE.

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