ABAP Select data from SAP table IPPMGAGGACCL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPPMGAGGACCL
*  INTO TABLE @DATA(IT_IPPMGAGGACCL2).
*--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_IPPMGAGGACCL INDEX 1 INTO DATA(WA_IPPMGAGGACCL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IPPMGAGGACCL>-MANDT = 1.
<IPPMGAGGACCL>-PREPAYMENTAGRMTACCRUALUUID = 1.
<IPPMGAGGACCL>-PREPAYMENTAGRMTACCRUAL = 1.
<IPPMGAGGACCL>-PURCHASINGORGANIZATION = 1.
<IPPMGAGGACCL>-PURCHASINGGROUP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPPMGAGGACCL-SALESORGANIZATION, sy-vline,
  WA_IPPMGAGGACCL-DISTRIBUTIONCHANNEL, sy-vline,
  WA_IPPMGAGGACCL-DIVISION, sy-vline,
  WA_IPPMGAGGACCL-COUNTERPARTY, sy-vline,
  WA_IPPMGAGGACCL-COMPANYCODE, sy-vline,
  WA_IPPMGAGGACCL-FISCALYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPPMGAGGACCL 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_IPPMGAGGACCL 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_IPPMGAGGACCL INTO WA_IPPMGAGGACCL.


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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IPPMGAGGACCL-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPPMGAGGACCL-FISCALYEAR.
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_IPPMGAGGACCL_STR, 
MANDT TYPE STRING,
PREPAYMENTAGRMTACCRUALUUID TYPE STRING,
PREPAYMENTAGRMTACCRUAL TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
COUNTERPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
SAPBUSINESSOBJECTTYPECODE TYPE STRING,
PREPAYACCRUALPOSTEDDOCUMENT TYPE STRING,
PREPAYACCRUALPOSTEDAMOUNT TYPE STRING,
PREPAYACCRUALPOSTEDCURRENCY TYPE STRING,
PREPAYACCRUALREVERSEDDOCUMENT TYPE STRING,
PREPAYACCRUALREVERSEDAMOUNT TYPE STRING,
PREPAYACCRUALREVERSEDCURRENCY TYPE STRING,
PREPAYMENTAGRMTACCRAMOUNT TYPE STRING,
PREPAYMENTAGRMTACCRUALCRCY TYPE STRING,
PREPAYAGRMTACCRINTERESTAMOUNT TYPE STRING,
PREPAYAGRMTACCRINTERESTCRCY TYPE STRING,
PREPAYAGRMTACCRPRINCIPALAMOUNT TYPE STRING,
PREPAYAGRMTACCRPRINCIPALCRCY TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATETIME TYPE STRING,
LASTCHANGEDBYUSER TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPPMGAGGACCL_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_IPPMGAGGACCL_STR-MANDT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYMENTAGRMTACCRUALUUID sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYMENTAGRMTACCRUAL sy-vline 
WA_IPPMGAGGACCL_STR-PURCHASINGORGANIZATION sy-vline 
WA_IPPMGAGGACCL_STR-PURCHASINGGROUP sy-vline 
WA_IPPMGAGGACCL_STR-SALESORGANIZATION sy-vline 
WA_IPPMGAGGACCL_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_IPPMGAGGACCL_STR-DIVISION sy-vline 
WA_IPPMGAGGACCL_STR-COUNTERPARTY sy-vline 
WA_IPPMGAGGACCL_STR-COMPANYCODE sy-vline 
WA_IPPMGAGGACCL_STR-FISCALYEAR sy-vline 
WA_IPPMGAGGACCL_STR-SAPBUSINESSOBJECTTYPECODE sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALPOSTEDDOCUMENT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALPOSTEDAMOUNT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALPOSTEDCURRENCY sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALREVERSEDDOCUMENT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALREVERSEDAMOUNT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYACCRUALREVERSEDCURRENCY sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYMENTAGRMTACCRAMOUNT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYMENTAGRMTACCRUALCRCY sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYAGRMTACCRINTERESTAMOUNT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYAGRMTACCRINTERESTCRCY sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYAGRMTACCRPRINCIPALAMOUNT sy-vline 
WA_IPPMGAGGACCL_STR-PREPAYAGRMTACCRPRINCIPALCRCY sy-vline 
WA_IPPMGAGGACCL_STR-CREATEDBYUSER sy-vline 
WA_IPPMGAGGACCL_STR-CREATIONDATETIME sy-vline 
WA_IPPMGAGGACCL_STR-LASTCHANGEDBYUSER sy-vline 
WA_IPPMGAGGACCL_STR-LASTCHANGEDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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