ABAP Select data from SAP table FIEU_S_MMINV_DEL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIEU_S_MMINV_DEL
*  INTO TABLE @DATA(IT_FIEU_S_MMINV_DEL2).
*--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_FIEU_S_MMINV_DEL INDEX 1 INTO DATA(WA_FIEU_S_MMINV_DEL2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIEU_S_MMINV_DEL-EBELN, sy-vline,
  WA_FIEU_S_MMINV_DEL-EBELP, sy-vline,
  WA_FIEU_S_MMINV_DEL-DELVID, sy-vline,
  WA_FIEU_S_MMINV_DEL-BUDAT, sy-vline,
  WA_FIEU_S_MMINV_DEL-ST_DELVID, sy-vline,
  WA_FIEU_S_MMINV_DEL-ST_DELVDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIEU_S_MMINV_DEL 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_FIEU_S_MMINV_DEL 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_FIEU_S_MMINV_DEL INTO WA_FIEU_S_MMINV_DEL.


*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_FIEU_S_MMINV_DEL-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIEU_S_MMINV_DEL-BELNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ALPHA, internal->external for field SF_STREETCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FIEU_S_MMINV_DEL-SF_STREETCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIEU_S_MMINV_DEL-SF_STREETCODE.
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_FIEU_S_MMINV_DEL_STR, 
BUKRS TYPE STRING,
BELNR TYPE STRING,
GJAHR TYPE STRING,
BUZEI TYPE STRING,
BLDAT TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
DELVID TYPE STRING,
BUDAT TYPE STRING,
ST_DELVID TYPE STRING,
ST_DELVDATE TYPE STRING,
ST_WERKS TYPE STRING,
ST_LGORT TYPE STRING,
ST_STREET TYPE STRING,
ST_STREETCODE TYPE STRING,
ST_BUILDING TYPE STRING,
ST_CITY1 TYPE STRING,
ST_POST_CODE1 TYPE STRING,
ST_REGION TYPE STRING,
ST_COUNTRY TYPE STRING,
SF_DELVID TYPE STRING,
SF_DELVDATE TYPE STRING,
SF_WERKS TYPE STRING,
SF_LGORT TYPE STRING,
SF_STREET TYPE STRING,
SF_STREETCODE TYPE STRING,
SF_BUILDING TYPE STRING,
SF_CITY1 TYPE STRING,
SF_POST_CODE1 TYPE STRING,
SF_REGION TYPE STRING,
SF_COUNTRY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIEU_S_MMINV_DEL_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_FIEU_S_MMINV_DEL_STR-BUKRS sy-vline 
WA_FIEU_S_MMINV_DEL_STR-BELNR sy-vline 
WA_FIEU_S_MMINV_DEL_STR-GJAHR sy-vline 
WA_FIEU_S_MMINV_DEL_STR-BUZEI sy-vline 
WA_FIEU_S_MMINV_DEL_STR-BLDAT sy-vline 
WA_FIEU_S_MMINV_DEL_STR-EBELN sy-vline 
WA_FIEU_S_MMINV_DEL_STR-EBELP sy-vline 
WA_FIEU_S_MMINV_DEL_STR-DELVID sy-vline 
WA_FIEU_S_MMINV_DEL_STR-BUDAT sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_DELVID sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_DELVDATE sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_WERKS sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_LGORT sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_STREET sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_STREETCODE sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_BUILDING sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_CITY1 sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_POST_CODE1 sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_REGION sy-vline 
WA_FIEU_S_MMINV_DEL_STR-ST_COUNTRY sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_DELVID sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_DELVDATE sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_WERKS sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_LGORT sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_STREET sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_STREETCODE sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_BUILDING sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_CITY1 sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_POST_CODE1 sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_REGION sy-vline 
WA_FIEU_S_MMINV_DEL_STR-SF_COUNTRY sy-vline      INTO ld_text SEPARATED BY SPACE.

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