ABAP Select data from SAP table IFMFGINVSTAT_DETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IFMFGINVSTAT_DETAIL
*  INTO TABLE @DATA(IT_IFMFGINVSTAT_DETAIL2).
*--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_IFMFGINVSTAT_DETAIL INDEX 1 INTO DATA(WA_IFMFGINVSTAT_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IFMFGINVSTAT_DETAIL>-BELNR = 1.
<IFMFGINVSTAT_DETAIL>-BUKRS = 1.
<IFMFGINVSTAT_DETAIL>-GJAHR = 1.
<IFMFGINVSTAT_DETAIL>-BUZEI = 1.
<IFMFGINVSTAT_DETAIL>-STATUS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IFMFGINVSTAT_DETAIL-BLDAT, sy-vline,
  WA_IFMFGINVSTAT_DETAIL-BUDAT, sy-vline,
  WA_IFMFGINVSTAT_DETAIL-CHDATE, sy-vline,
  WA_IFMFGINVSTAT_DETAIL-USERNAME, sy-vline,
  WA_IFMFGINVSTAT_DETAIL-STATDAYS, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_IFMFGINVSTAT_DETAIL 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_IFMFGINVSTAT_DETAIL 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_IFMFGINVSTAT_DETAIL INTO WA_IFMFGINVSTAT_DETAIL.


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

*Conversion exit GJAHR, internal->external for field GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_IFMFGINVSTAT_DETAIL-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IFMFGINVSTAT_DETAIL-GJAHR.
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_IFMFGINVSTAT_DETAIL_STR, 
BELNR TYPE STRING,
BUKRS TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
STATUS TYPE STRING,
BLDAT TYPE STRING,
BUDAT TYPE STRING,
CHDATE TYPE STRING,
USERNAME TYPE STRING,
STATDAYS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IFMFGINVSTAT_DETAIL_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_IFMFGINVSTAT_DETAIL_STR-BELNR sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-BUKRS sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-GJAHR sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-BUZEI sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-STATUS sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-BLDAT sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-BUDAT sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-CHDATE sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-USERNAME sy-vline 
WA_IFMFGINVSTAT_DETAIL_STR-STATDAYS sy-vline      INTO ld_text SEPARATED BY SPACE.

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