ABAP Select data from SAP table IACPPMGFEE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IACPPMGFEE
*  INTO TABLE @DATA(IT_IACPPMGFEE2).
*--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_IACPPMGFEE INDEX 1 INTO DATA(WA_IACPPMGFEE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IACPPMGFEE>-MANDT = 1.
<IACPPMGFEE>-FEEFRAMEWORKFEEID = 1.
<IACPPMGFEE>-FEEVERSION = 1.
<IACPPMGFEE>-FEEFRAMEWORKFEENAME = 1.
<IACPPMGFEE>-FEETYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IACPPMGFEE-ACMFEEVALIDSTATUS, sy-vline,
  WA_IACPPMGFEE-ACMFEEISTIERED, sy-vline,
  WA_IACPPMGFEE-ACMFEEISDUPLICATE, sy-vline,
  WA_IACPPMGFEE-ACMFEEISNONMODIFIABLE, sy-vline,
  WA_IACPPMGFEE-PREPAYMENTSURCHARGEFEEAMT, sy-vline,
  WA_IACPPMGFEE-PREPAYMENTSURCHARGEFEECRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IACPPMGFEE 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_IACPPMGFEE 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_IACPPMGFEE INTO WA_IACPPMGFEE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_IACPPMGFEE_STR, 
MANDT TYPE STRING,
FEEFRAMEWORKFEEID TYPE STRING,
FEEVERSION TYPE STRING,
FEEFRAMEWORKFEENAME TYPE STRING,
FEETYPE TYPE STRING,
ACMFEEVALIDSTATUS TYPE STRING,
ACMFEEISTIERED TYPE STRING,
ACMFEEISDUPLICATE TYPE STRING,
ACMFEEISNONMODIFIABLE TYPE STRING,
PREPAYMENTSURCHARGEFEEAMT TYPE STRING,
PREPAYMENTSURCHARGEFEECRCY TYPE STRING,
PREPAYMENTFEEPERCENTAGEAMT TYPE STRING,
ACMFEEFRAMEWORKFEEAMOUNT TYPE STRING,
ACMFEEFRAMEWORKFEECURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IACPPMGFEE_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_IACPPMGFEE_STR-MANDT sy-vline 
WA_IACPPMGFEE_STR-FEEFRAMEWORKFEEID sy-vline 
WA_IACPPMGFEE_STR-FEEVERSION sy-vline 
WA_IACPPMGFEE_STR-FEEFRAMEWORKFEENAME sy-vline 
WA_IACPPMGFEE_STR-FEETYPE sy-vline 
WA_IACPPMGFEE_STR-ACMFEEVALIDSTATUS sy-vline 
WA_IACPPMGFEE_STR-ACMFEEISTIERED sy-vline 
WA_IACPPMGFEE_STR-ACMFEEISDUPLICATE sy-vline 
WA_IACPPMGFEE_STR-ACMFEEISNONMODIFIABLE sy-vline 
WA_IACPPMGFEE_STR-PREPAYMENTSURCHARGEFEEAMT sy-vline 
WA_IACPPMGFEE_STR-PREPAYMENTSURCHARGEFEECRCY sy-vline 
WA_IACPPMGFEE_STR-PREPAYMENTFEEPERCENTAGEAMT sy-vline 
WA_IACPPMGFEE_STR-ACMFEEFRAMEWORKFEEAMOUNT sy-vline 
WA_IACPPMGFEE_STR-ACMFEEFRAMEWORKFEECURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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