ABAP Select data from SAP table PAPOVRDBSEGAGGR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAPOVRDBSEGAGGR
*  INTO TABLE @DATA(IT_PAPOVRDBSEGAGGR2).
*--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_PAPOVRDBSEGAGGR INDEX 1 INTO DATA(WA_PAPOVRDBSEGAGGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAPOVRDBSEGAGGR>-MANDT = 1.
<PAPOVRDBSEGAGGR>-COMPANYCODE = 1.
<PAPOVRDBSEGAGGR>-FISCALYEAR = 1.
<PAPOVRDBSEGAGGR>-PAYMENTBLOCKINGREASON = 1.
<PAPOVRDBSEGAGGR>-SPECIALGLCODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAPOVRDBSEGAGGR-GLACCOUNT, sy-vline,
  WA_PAPOVRDBSEGAGGR-FINANCIALACCOUNTTYPE, sy-vline,
  WA_PAPOVRDBSEGAGGR-BUSINESSAREA, sy-vline,
  WA_PAPOVRDBSEGAGGR-CREDITOR, sy-vline,
  WA_PAPOVRDBSEGAGGR-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_PAPOVRDBSEGAGGR-ACCOUNTINGDOCUMENTCATEGORY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAPOVRDBSEGAGGR 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_PAPOVRDBSEGAGGR 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_PAPOVRDBSEGAGGR INTO WA_PAPOVRDBSEGAGGR.


*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 GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PAPOVRDBSEGAGGR-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPOVRDBSEGAGGR-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CREDITOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PAPOVRDBSEGAGGR-CREDITOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPOVRDBSEGAGGR-CREDITOR.
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_PAPOVRDBSEGAGGR_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
SPECIALGLCODE TYPE STRING,
GLACCOUNT TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
BUSINESSAREA TYPE STRING,
CREDITOR TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
KEYDATE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
NUMBEROFOPENITEMS TYPE STRING,
AMOUNT_1 TYPE STRING,
AMOUNT_2 TYPE STRING,
AMOUNT_3 TYPE STRING,
AMOUNT_4 TYPE STRING,
AMOUNTNOTDUE TYPE STRING,
AMOUNTOVERDUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAPOVRDBSEGAGGR_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_PAPOVRDBSEGAGGR_STR-MANDT sy-vline 
WA_PAPOVRDBSEGAGGR_STR-COMPANYCODE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-FISCALYEAR sy-vline 
WA_PAPOVRDBSEGAGGR_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_PAPOVRDBSEGAGGR_STR-SPECIALGLCODE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-GLACCOUNT sy-vline 
WA_PAPOVRDBSEGAGGR_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-BUSINESSAREA sy-vline 
WA_PAPOVRDBSEGAGGR_STR-CREDITOR sy-vline 
WA_PAPOVRDBSEGAGGR_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_PAPOVRDBSEGAGGR_STR-KEYDATE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-COMPANYCODECURRENCY sy-vline 
WA_PAPOVRDBSEGAGGR_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PAPOVRDBSEGAGGR_STR-NUMBEROFOPENITEMS sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNT_1 sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNT_2 sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNT_3 sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNT_4 sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNTNOTDUE sy-vline 
WA_PAPOVRDBSEGAGGR_STR-AMOUNTOVERDUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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