ABAP Select data from SAP table VCRMM_ISX_PPACC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VCRMM_ISX_PPACC
*  INTO TABLE @DATA(IT_VCRMM_ISX_PPACC2).
*--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_VCRMM_ISX_PPACC INDEX 1 INTO DATA(WA_VCRMM_ISX_PPACC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VCRMM_ISX_PPACC>-CLIENT = 1.
<VCRMM_ISX_PPACC>-PPACC_H_GUID = 1.
<VCRMM_ISX_PPACC>-PPACC_GUID = 1.
<VCRMM_ISX_PPACC>-PPACC_ID = 1.
<VCRMM_ISX_PPACC>-PREPAID_SCHEMA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VCRMM_ISX_PPACC-CURRENCY, sy-vline,
  WA_VCRMM_ISX_PPACC-MIN_BALANCE, sy-vline,
  WA_VCRMM_ISX_PPACC-PAYER_ALTERNAT, sy-vline,
  WA_VCRMM_ISX_PPACC-PAYMENT_BY, sy-vline,
  WA_VCRMM_ISX_PPACC-BDID_IN, sy-vline,
  WA_VCRMM_ISX_PPACC-CCARD_IN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VCRMM_ISX_PPACC 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_VCRMM_ISX_PPACC 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_VCRMM_ISX_PPACC INTO WA_VCRMM_ISX_PPACC.


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

*Conversion exit ALPHA, internal->external for field PAYER_ALTERNAT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VCRMM_ISX_PPACC-PAYER_ALTERNAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VCRMM_ISX_PPACC-PAYER_ALTERNAT.
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_VCRMM_ISX_PPACC_STR, 
CLIENT TYPE STRING,
PPACC_H_GUID TYPE STRING,
PPACC_GUID TYPE STRING,
PPACC_ID TYPE STRING,
PREPAID_SCHEMA TYPE STRING,
CURRENCY TYPE STRING,
MIN_BALANCE TYPE STRING,
PAYER_ALTERNAT TYPE STRING,
PAYMENT_BY TYPE STRING,
BDID_IN TYPE STRING,
CCARD_IN TYPE STRING,
NOTIF_LIMIT1 TYPE STRING,
LIMIT_ACTIVE1 TYPE STRING,
NOTIF_LIMIT2 TYPE STRING,
LIMIT_ACTIVE2 TYPE STRING,
NOTIF_LIMIT3 TYPE STRING,
LIMIT_ACTIVE3 TYPE STRING,
PROV_CLOSE_DATE TYPE STRING,
CLOSED_DATE TYPE STRING,
SEPA_MNDID TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VCRMM_ISX_PPACC_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_VCRMM_ISX_PPACC_STR-CLIENT sy-vline 
WA_VCRMM_ISX_PPACC_STR-PPACC_H_GUID sy-vline 
WA_VCRMM_ISX_PPACC_STR-PPACC_GUID sy-vline 
WA_VCRMM_ISX_PPACC_STR-PPACC_ID sy-vline 
WA_VCRMM_ISX_PPACC_STR-PREPAID_SCHEMA sy-vline 
WA_VCRMM_ISX_PPACC_STR-CURRENCY sy-vline 
WA_VCRMM_ISX_PPACC_STR-MIN_BALANCE sy-vline 
WA_VCRMM_ISX_PPACC_STR-PAYER_ALTERNAT sy-vline 
WA_VCRMM_ISX_PPACC_STR-PAYMENT_BY sy-vline 
WA_VCRMM_ISX_PPACC_STR-BDID_IN sy-vline 
WA_VCRMM_ISX_PPACC_STR-CCARD_IN sy-vline 
WA_VCRMM_ISX_PPACC_STR-NOTIF_LIMIT1 sy-vline 
WA_VCRMM_ISX_PPACC_STR-LIMIT_ACTIVE1 sy-vline 
WA_VCRMM_ISX_PPACC_STR-NOTIF_LIMIT2 sy-vline 
WA_VCRMM_ISX_PPACC_STR-LIMIT_ACTIVE2 sy-vline 
WA_VCRMM_ISX_PPACC_STR-NOTIF_LIMIT3 sy-vline 
WA_VCRMM_ISX_PPACC_STR-LIMIT_ACTIVE3 sy-vline 
WA_VCRMM_ISX_PPACC_STR-PROV_CLOSE_DATE sy-vline 
WA_VCRMM_ISX_PPACC_STR-CLOSED_DATE sy-vline 
WA_VCRMM_ISX_PPACC_STR-SEPA_MNDID sy-vline 
WA_VCRMM_ISX_PPACC_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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