ABAP Select data from SAP table PBILLGDOPROCFPM2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PBILLGDOPROCFPM2 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 PBILLGDOPROCFPM2. 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 PBILLGDOPROCFPM2 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_PBILLGDOPROCFPM2 TYPE STANDARD TABLE OF PBILLGDOPROCFPM2,
      WA_PBILLGDOPROCFPM2 TYPE PBILLGDOPROCFPM2,
      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: <PBILLGDOPROCFPM2> TYPE PBILLGDOPROCFPM2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PBILLGDOPROCFPM2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PBILLGDOPROCFPM2
  INTO TABLE IT_PBILLGDOPROCFPM2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBILLGDOPROCFPM2
*  INTO TABLE @DATA(IT_PBILLGDOPROCFPM22).
*--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_PBILLGDOPROCFPM2 INDEX 1 INTO DATA(WA_PBILLGDOPROCFPM22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PBILLGDOPROCFPM2 ASSIGNING <PBILLGDOPROCFPM2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBILLGDOPROCFPM2>-MANDT = 1.
<PBILLGDOPROCFPM2>-LEVELM2DOCUMENT = 1.
<PBILLGDOPROCFPM2>-LEVELM2DOCUMENTITEM = 1.
<PBILLGDOPROCFPM2>-LEVELM2DOCUMENTCATEGORY = 1.
<PBILLGDOPROCFPM2>-LEVELM1DOCUMENT = 1.

ENDLOOP.

LOOP AT IT_PBILLGDOPROCFPM2 INTO WA_PBILLGDOPROCFPM2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBILLGDOPROCFPM2-LEVELM1DOCUMENTITEM, sy-vline,
  WA_PBILLGDOPROCFPM2-LEVELM1DOCUMENTCATEGORY, sy-vline,
  WA_PBILLGDOPROCFPM2-BILLINGDOCUMENT, sy-vline,
  WA_PBILLGDOPROCFPM2-BILLINGDOCUMENTTYPE, sy-vline,
  WA_PBILLGDOPROCFPM2-SDDOCUMENTCATEGORY, sy-vline,
  WA_PBILLGDOPROCFPM2-SALESORGANIZATION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PBILLGDOPROCFPM2 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_PBILLGDOPROCFPM2 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_PBILLGDOPROCFPM2 INTO WA_PBILLGDOPROCFPM2.


*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 LEVELM2DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PBILLGDOPROCFPM2-LEVELM2DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBILLGDOPROCFPM2-LEVELM2DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEVELM2DOCUMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PBILLGDOPROCFPM2-LEVELM2DOCUMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBILLGDOPROCFPM2-LEVELM2DOCUMENTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LEVELM1DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PBILLGDOPROCFPM2-LEVELM1DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBILLGDOPROCFPM2-LEVELM1DOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BILLINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PBILLGDOPROCFPM2-BILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBILLGDOPROCFPM2-BILLINGDOCUMENT.
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_PBILLGDOPROCFPM2_STR, 
MANDT TYPE STRING,
LEVELM2DOCUMENT TYPE STRING,
LEVELM2DOCUMENTITEM TYPE STRING,
LEVELM2DOCUMENTCATEGORY TYPE STRING,
LEVELM1DOCUMENT TYPE STRING,
LEVELM1DOCUMENTITEM TYPE STRING,
LEVELM1DOCUMENTCATEGORY TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
SALESORGANIZATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBILLGDOPROCFPM2_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_PBILLGDOPROCFPM2_STR-MANDT sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM2DOCUMENT sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM2DOCUMENTITEM sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM2DOCUMENTCATEGORY sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM1DOCUMENT sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM1DOCUMENTITEM sy-vline 
WA_PBILLGDOPROCFPM2_STR-LEVELM1DOCUMENTCATEGORY sy-vline 
WA_PBILLGDOPROCFPM2_STR-BILLINGDOCUMENT sy-vline 
WA_PBILLGDOPROCFPM2_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_PBILLGDOPROCFPM2_STR-SDDOCUMENTCATEGORY sy-vline 
WA_PBILLGDOPROCFPM2_STR-SALESORGANIZATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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