ABAP Select data from SAP table IACMFEEMASTDATA into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IACMFEEMASTDATA
*  INTO TABLE @DATA(IT_IACMFEEMASTDATA2).
*--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_IACMFEEMASTDATA INDEX 1 INTO DATA(WA_IACMFEEMASTDATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IACMFEEMASTDATA>-MANDT = 1.
<IACMFEEMASTDATA>-FEEFRAMEWORKFEEID = 1.
<IACMFEEMASTDATA>-FEEVERSION = 1.
<IACMFEEMASTDATA>-ACMFEENAME = 1.
<IACMFEEMASTDATA>-ACMEXTERNALFEENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IACMFEEMASTDATA-ACMFEETYPE, sy-vline,
  WA_IACMFEEMASTDATA-ACMINTERNALCONTRFEEDESC, sy-vline,
  WA_IACMFEEMASTDATA-ACMEXTERNALCONTRFEEDESC, sy-vline,
  WA_IACMFEEMASTDATA-ACMFEESTATUS, sy-vline,
  WA_IACMFEEMASTDATA-ACMFEEVALIDFROMDATE, sy-vline,
  WA_IACMFEEMASTDATA-ACMFEEVALIDTODATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IACMFEEMASTDATA 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_IACMFEEMASTDATA 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_IACMFEEMASTDATA INTO WA_IACMFEEMASTDATA.


*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 CUNIT, internal->external for field ACMFEEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IACMFEEMASTDATA-ACMFEEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACMFEEMASTDATA-ACMFEEUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMINCHARGEQTYUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IACMFEEMASTDATA-ACMINCHARGEQTYUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACMFEEMASTDATA-ACMINCHARGEQTYUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMFEERECRRGCHRGUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IACMFEEMASTDATA-ACMFEERECRRGCHRGUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACMFEEMASTDATA-ACMFEERECRRGCHRGUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMFEEMAXCHARGEUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IACMFEEMASTDATA-ACMFEEMAXCHARGEUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACMFEEMASTDATA-ACMFEEMAXCHARGEUOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field ACMFEEPREMCRDTUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_IACMFEEMASTDATA-ACMFEEPREMCRDTUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IACMFEEMASTDATA-ACMFEEPREMCRDTUOM.
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_IACMFEEMASTDATA_STR, 
MANDT TYPE STRING,
FEEFRAMEWORKFEEID TYPE STRING,
FEEVERSION TYPE STRING,
ACMFEENAME TYPE STRING,
ACMEXTERNALFEENAME TYPE STRING,
ACMFEETYPE TYPE STRING,
ACMINTERNALCONTRFEEDESC TYPE STRING,
ACMEXTERNALCONTRFEEDESC TYPE STRING,
ACMFEESTATUS TYPE STRING,
ACMFEEVALIDFROMDATE TYPE STRING,
ACMFEEVALIDTODATE TYPE STRING,
ACMFEEAMOUNT TYPE STRING,
ACMFEECURRENCY TYPE STRING,
ACMFEEQUANTITY TYPE STRING,
ACMFEEUOM TYPE STRING,
ACMFEERATETYPE TYPE STRING,
ACMFEEFRAMEWORKISFEERELEVANT TYPE STRING,
ACMFEEFREEATTRIBVAL TYPE STRING,
ACMFEEFREEATTRIB3VAL TYPE STRING,
ACMFEESTOPONPRVSNLSETTLMT TYPE STRING,
ACMFEESTOPONFINALSETTLMT TYPE STRING,
ACMFEEINCHARGEAMOUNT TYPE STRING,
ACMINCHARGEAMTCRCY TYPE STRING,
ACMINCHARGEQTY TYPE STRING,
ACMINCHARGEQTYUOM TYPE STRING,
ACMFEERECRRGCHRGAMOUNT TYPE STRING,
ACMFEERECRRGCHRGCRCY TYPE STRING,
ACMFEERECRRGCHRGQTY TYPE STRING,
ACMFEERECRRGCHRGUOM TYPE STRING,
ACMFEEMAXCHARGEAMOUNT TYPE STRING,
ACMFEEMAXCHRGCRCY TYPE STRING,
ACMFEEMAXCHARGEQUANTITY TYPE STRING,
ACMFEEMAXCHARGEUOM TYPE STRING,
ACMFEEPREMCRDTAMOUNT TYPE STRING,
ACMFEEPREMCRDTCRCY TYPE STRING,
ACMFEEPREMCRDTQTY TYPE STRING,
ACMFEEPREMCRDTUOM TYPE STRING,
ACMISCONTRHDRFEERLVT TYPE STRING,
ACMISCONTRITMFEERLVT TYPE STRING,
ACMISCONTRPRCGLOTFEERLVT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IACMFEEMASTDATA_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_IACMFEEMASTDATA_STR-MANDT sy-vline 
WA_IACMFEEMASTDATA_STR-FEEFRAMEWORKFEEID sy-vline 
WA_IACMFEEMASTDATA_STR-FEEVERSION sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEENAME sy-vline 
WA_IACMFEEMASTDATA_STR-ACMEXTERNALFEENAME sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEETYPE sy-vline 
WA_IACMFEEMASTDATA_STR-ACMINTERNALCONTRFEEDESC sy-vline 
WA_IACMFEEMASTDATA_STR-ACMEXTERNALCONTRFEEDESC sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEESTATUS sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEVALIDFROMDATE sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEVALIDTODATE sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEAMOUNT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEECURRENCY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEQUANTITY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEUOM sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEERATETYPE sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEFRAMEWORKISFEERELEVANT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEFREEATTRIBVAL sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEFREEATTRIB3VAL sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEESTOPONPRVSNLSETTLMT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEESTOPONFINALSETTLMT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEINCHARGEAMOUNT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMINCHARGEAMTCRCY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMINCHARGEQTY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMINCHARGEQTYUOM sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEERECRRGCHRGAMOUNT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEERECRRGCHRGCRCY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEERECRRGCHRGQTY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEERECRRGCHRGUOM sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEMAXCHARGEAMOUNT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEMAXCHRGCRCY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEMAXCHARGEQUANTITY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEMAXCHARGEUOM sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEPREMCRDTAMOUNT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEPREMCRDTCRCY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEPREMCRDTQTY sy-vline 
WA_IACMFEEMASTDATA_STR-ACMFEEPREMCRDTUOM sy-vline 
WA_IACMFEEMASTDATA_STR-ACMISCONTRHDRFEERLVT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMISCONTRITMFEERLVT sy-vline 
WA_IACMFEEMASTDATA_STR-ACMISCONTRPRCGLOTFEERLVT sy-vline      INTO ld_text SEPARATED BY SPACE.

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