ABAP Select data from SAP table /ISDFPS/BAPI_VEPO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ISDFPS/BAPI_VEPO 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 /ISDFPS/BAPI_VEPO. 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 /ISDFPS/BAPI_VEPO 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_/ISDFPS/BAPI_VEPO TYPE STANDARD TABLE OF /ISDFPS/BAPI_VEPO,
      WA_/ISDFPS/BAPI_VEPO TYPE /ISDFPS/BAPI_VEPO,
      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: </ISDFPS/BAPI_VEPO> TYPE /ISDFPS/BAPI_VEPO.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /ISDFPS/BAPI_VEPO
  INTO TABLE IT_/ISDFPS/BAPI_VEPO.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/BAPI_VEPO
*  INTO TABLE @DATA(IT_/ISDFPS/BAPI_VEPO2).
*--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_/ISDFPS/BAPI_VEPO INDEX 1 INTO DATA(WA_/ISDFPS/BAPI_VEPO2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/ISDFPS/BAPI_VEPO ASSIGNING </ISDFPS/BAPI_VEPO>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/BAPI_VEPO>-VENUM = 1.
</ISDFPS/BAPI_VEPO>-VEPOS = 1.
</ISDFPS/BAPI_VEPO>-VELIN = 1.
</ISDFPS/BAPI_VEPO>-VBELN = 1.
</ISDFPS/BAPI_VEPO>-POSNR = 1.

ENDLOOP.

LOOP AT IT_/ISDFPS/BAPI_VEPO INTO WA_/ISDFPS/BAPI_VEPO.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/BAPI_VEPO-VBTYP, sy-vline,
  WA_/ISDFPS/BAPI_VEPO-UNVEL, sy-vline,
  WA_/ISDFPS/BAPI_VEPO-VEMNG, sy-vline,
  WA_/ISDFPS/BAPI_VEPO-VEMNG_FLO, sy-vline,
  WA_/ISDFPS/BAPI_VEPO-VEMEH, sy-vline,
  WA_/ISDFPS/BAPI_VEPO-ALTME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/BAPI_VEPO 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_/ISDFPS/BAPI_VEPO 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_/ISDFPS/BAPI_VEPO INTO WA_/ISDFPS/BAPI_VEPO.


*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 VENUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_VEPO-VENUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_VEPO-VENUM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field VEMEH
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_VEPO-VEMEH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_VEPO-VEMEH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ALTME
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_VEPO-ALTME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_VEPO-ALTME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_VEPO-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_VEPO-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATNR_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/BAPI_VEPO-MATNR_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/BAPI_VEPO-MATNR_LONG.
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_/ISDFPS/BAPI_VEPO_STR, 
VENUM TYPE STRING,
VEPOS TYPE STRING,
VELIN TYPE STRING,
VBELN TYPE STRING,
POSNR TYPE STRING,
VBTYP TYPE STRING,
UNVEL TYPE STRING,
VEMNG TYPE STRING,
VEMNG_FLO TYPE STRING,
VEMEH TYPE STRING,
ALTME TYPE STRING,
VEANZ TYPE STRING,
KZBEI TYPE STRING,
MATNR TYPE STRING,
CHARG TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
CUOBJ TYPE STRING,
BESTQ TYPE STRING,
SOBKZ TYPE STRING,
SONUM TYPE STRING,
QPLOS TYPE STRING,
ANZSN TYPE STRING,
SERAIL TYPE STRING,
PSTYV TYPE STRING,
POSNR_GEN TYPE STRING,
P_MATERIAL TYPE STRING,
WDATU TYPE STRING,
VFDAT TYPE STRING,
HU_LGORT TYPE STRING,
XCHAR TYPE STRING,
SPE_IDPLATE TYPE STRING,
MATNR_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/BAPI_VEPO_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_/ISDFPS/BAPI_VEPO_STR-VENUM sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VEPOS sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VELIN sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VBELN sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-POSNR sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VBTYP sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-UNVEL sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VEMNG sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VEMNG_FLO sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VEMEH sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-ALTME sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VEANZ sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-KZBEI sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-MATNR sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-CHARG sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-WERKS sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-LGORT sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-CUOBJ sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-BESTQ sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-SOBKZ sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-SONUM sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-QPLOS sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-ANZSN sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-SERAIL sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-PSTYV sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-POSNR_GEN sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-P_MATERIAL sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-WDATU sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-VFDAT sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-HU_LGORT sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-XCHAR sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-SPE_IDPLATE sy-vline 
WA_/ISDFPS/BAPI_VEPO_STR-MATNR_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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