ABAP Select data from SAP table PDM_BILLOFCUS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDM_BILLOFCUS
*  INTO TABLE @DATA(IT_PDM_BILLOFCUS2).
*--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_PDM_BILLOFCUS INDEX 1 INTO DATA(WA_PDM_BILLOFCUS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDM_BILLOFCUS>-RFCDEST = 1.
<PDM_BILLOFCUS>-OBJECT_HANDLE = 1.
<PDM_BILLOFCUS>-LOGSYS = 1.
<PDM_BILLOFCUS>-VBELN = 1.
<PDM_BILLOFCUS>-VBPOS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDM_BILLOFCUS-MATNR, sy-vline,
  WA_PDM_BILLOFCUS-STLAN, sy-vline,
  WA_PDM_BILLOFCUS-LABOR, sy-vline,
  WA_PDM_BILLOFCUS-STLST, sy-vline,
  WA_PDM_BILLOFCUS-STTXT, sy-vline,
  WA_PDM_BILLOFCUS-STKTX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDM_BILLOFCUS 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_PDM_BILLOFCUS 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_PDM_BILLOFCUS INTO WA_PDM_BILLOFCUS.


*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 LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PDM_BILLOFCUS-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDM_BILLOFCUS-LOGSYS.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit NUMCV, internal->external for field STLNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PDM_BILLOFCUS-STLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDM_BILLOFCUS-STLNR.
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_PDM_BILLOFCUS_STR, 
RFCDEST TYPE STRING,
OBJECT_HANDLE TYPE STRING,
LOGSYS TYPE STRING,
VBELN TYPE STRING,
VBPOS TYPE STRING,
MATNR TYPE STRING,
STLAN TYPE STRING,
LABOR TYPE STRING,
STLST TYPE STRING,
STTXT TYPE STRING,
STKTX TYPE STRING,
ANTXT TYPE STRING,
LOEKZ TYPE STRING,
STLTY TYPE STRING,
STLNR TYPE STRING,
SELECTED TYPE STRING,
NOT_SELECTABLE TYPE STRING,
USED_IN_ECR TYPE STRING,
CADKZ TYPE STRING,
NOT_EXIST TYPE STRING,
WERKS TYPE STRING,
CONFIG_STATUS TYPE STRING,
MANDT TYPE STRING,
NO_ITEMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDM_BILLOFCUS_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_PDM_BILLOFCUS_STR-RFCDEST sy-vline 
WA_PDM_BILLOFCUS_STR-OBJECT_HANDLE sy-vline 
WA_PDM_BILLOFCUS_STR-LOGSYS sy-vline 
WA_PDM_BILLOFCUS_STR-VBELN sy-vline 
WA_PDM_BILLOFCUS_STR-VBPOS sy-vline 
WA_PDM_BILLOFCUS_STR-MATNR sy-vline 
WA_PDM_BILLOFCUS_STR-STLAN sy-vline 
WA_PDM_BILLOFCUS_STR-LABOR sy-vline 
WA_PDM_BILLOFCUS_STR-STLST sy-vline 
WA_PDM_BILLOFCUS_STR-STTXT sy-vline 
WA_PDM_BILLOFCUS_STR-STKTX sy-vline 
WA_PDM_BILLOFCUS_STR-ANTXT sy-vline 
WA_PDM_BILLOFCUS_STR-LOEKZ sy-vline 
WA_PDM_BILLOFCUS_STR-STLTY sy-vline 
WA_PDM_BILLOFCUS_STR-STLNR sy-vline 
WA_PDM_BILLOFCUS_STR-SELECTED sy-vline 
WA_PDM_BILLOFCUS_STR-NOT_SELECTABLE sy-vline 
WA_PDM_BILLOFCUS_STR-USED_IN_ECR sy-vline 
WA_PDM_BILLOFCUS_STR-CADKZ sy-vline 
WA_PDM_BILLOFCUS_STR-NOT_EXIST sy-vline 
WA_PDM_BILLOFCUS_STR-WERKS sy-vline 
WA_PDM_BILLOFCUS_STR-CONFIG_STATUS sy-vline 
WA_PDM_BILLOFCUS_STR-MANDT sy-vline 
WA_PDM_BILLOFCUS_STR-NO_ITEMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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