ABAP Select data from SAP table FMUSFGSF224_ALV_DETAILS into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FMUSFGSF224_ALV_DETAILS 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 FMUSFGSF224_ALV_DETAILS. 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 FMUSFGSF224_ALV_DETAILS 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_FMUSFGSF224_ALV_DETAILS TYPE STANDARD TABLE OF FMUSFGSF224_ALV_DETAILS,
      WA_FMUSFGSF224_ALV_DETAILS TYPE FMUSFGSF224_ALV_DETAILS,
      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: <FMUSFGSF224_ALV_DETAILS> TYPE FMUSFGSF224_ALV_DETAILS.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_FMUSFGSF224_ALV_DETAILS.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM FMUSFGSF224_ALV_DETAILS
  INTO TABLE IT_FMUSFGSF224_ALV_DETAILS.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMUSFGSF224_ALV_DETAILS
*  INTO TABLE @DATA(IT_FMUSFGSF224_ALV_DETAILS2).
*--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_FMUSFGSF224_ALV_DETAILS INDEX 1 INTO DATA(WA_FMUSFGSF224_ALV_DETAILS2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_FMUSFGSF224_ALV_DETAILS ASSIGNING <FMUSFGSF224_ALV_DETAILS>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMUSFGSF224_ALV_DETAILS>-REPORT_SECTION = 1.
<FMUSFGSF224_ALV_DETAILS>-RAGNCY_LCTN_CODE = 1.
<FMUSFGSF224_ALV_DETAILS>-APPROPRIATION_NBR = 1.
<FMUSFGSF224_ALV_DETAILS>-RFINUSE = 1.
<FMUSFGSF224_ALV_DETAILS>-RFINUSE_SUB = 1.

ENDLOOP.

LOOP AT IT_FMUSFGSF224_ALV_DETAILS INTO WA_FMUSFGSF224_ALV_DETAILS.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMUSFGSF224_ALV_DETAILS-RFINUSE_SUF, sy-vline,
  WA_FMUSFGSF224_ALV_DETAILS-DOCCT, sy-vline,
  WA_FMUSFGSF224_ALV_DETAILS-DOCNR, sy-vline,
  WA_FMUSFGSF224_ALV_DETAILS-REFDOCNR, sy-vline,
  WA_FMUSFGSF224_ALV_DETAILS-REFRYEAR, sy-vline,
  WA_FMUSFGSF224_ALV_DETAILS-REFDOCCT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMUSFGSF224_ALV_DETAILS 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_FMUSFGSF224_ALV_DETAILS 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_FMUSFGSF224_ALV_DETAILS INTO WA_FMUSFGSF224_ALV_DETAILS.


*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 DOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMUSFGSF224_ALV_DETAILS-DOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMUSFGSF224_ALV_DETAILS-DOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REFDOCNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMUSFGSF224_ALV_DETAILS-REFDOCNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMUSFGSF224_ALV_DETAILS-REFDOCNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REFRYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FMUSFGSF224_ALV_DETAILS-REFRYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMUSFGSF224_ALV_DETAILS-REFRYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field RACCT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMUSFGSF224_ALV_DETAILS-RACCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMUSFGSF224_ALV_DETAILS-RACCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FMUSFGSF224_ALV_DETAILS-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FMUSFGSF224_ALV_DETAILS-LOGSYS.
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_FMUSFGSF224_ALV_DETAILS_STR, 
REPORT_SECTION TYPE STRING,
RAGNCY_LCTN_CODE TYPE STRING,
APPROPRIATION_NBR TYPE STRING,
RFINUSE TYPE STRING,
RFINUSE_SUB TYPE STRING,
RFINUSE_SUF TYPE STRING,
DOCCT TYPE STRING,
DOCNR TYPE STRING,
REFDOCNR TYPE STRING,
REFRYEAR TYPE STRING,
REFDOCCT TYPE STRING,
AWTYP TYPE STRING,
AWORG TYPE STRING,
RBUKRS TYPE STRING,
RACCT TYPE STRING,
LOGSYS TYPE STRING,
SGL_ACCOUNT TYPE STRING,
BUDAT TYPE STRING,
CDATE TYPE STRING,
RECEIPT_AMOUNT TYPE STRING,
DISBURSEMENT_AMOUNT TYPE STRING,
NET_AMOUNT TYPE STRING,
PERIOD TYPE STRING,
MONTHLY_AMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMUSFGSF224_ALV_DETAILS_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_FMUSFGSF224_ALV_DETAILS_STR-REPORT_SECTION sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RAGNCY_LCTN_CODE sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-APPROPRIATION_NBR sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RFINUSE sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RFINUSE_SUB sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RFINUSE_SUF sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-DOCCT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-DOCNR sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-REFDOCNR sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-REFRYEAR sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-REFDOCCT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-AWTYP sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-AWORG sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RBUKRS sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RACCT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-LOGSYS sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-SGL_ACCOUNT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-BUDAT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-CDATE sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-RECEIPT_AMOUNT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-DISBURSEMENT_AMOUNT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-NET_AMOUNT sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-PERIOD sy-vline 
WA_FMUSFGSF224_ALV_DETAILS_STR-MONTHLY_AMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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