ABAP Select data from SAP table ADSUB_S_UME_ITEMS_DETAIL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ADSUB_S_UME_ITEMS_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 ADSUB_S_UME_ITEMS_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 ADSUB_S_UME_ITEMS_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_ADSUB_S_UME_ITEMS_DETAIL TYPE STANDARD TABLE OF ADSUB_S_UME_ITEMS_DETAIL,
      WA_ADSUB_S_UME_ITEMS_DETAIL TYPE ADSUB_S_UME_ITEMS_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: <ADSUB_S_UME_ITEMS_DETAIL> TYPE ADSUB_S_UME_ITEMS_DETAIL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADSUB_S_UME_ITEMS_DETAIL
*  INTO TABLE @DATA(IT_ADSUB_S_UME_ITEMS_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_ADSUB_S_UME_ITEMS_DETAIL INDEX 1 INTO DATA(WA_ADSUB_S_UME_ITEMS_DETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADSUB_S_UME_ITEMS_DETAIL>-MENGE_IC = 1.
<ADSUB_S_UME_ITEMS_DETAIL>-MEINS_IC = 1.
<ADSUB_S_UME_ITEMS_DETAIL>-IC_TYPE_ICON = 1.
<ADSUB_S_UME_ITEMS_DETAIL>-MRPSET_LIGHT = 1.
<ADSUB_S_UME_ITEMS_DETAIL>-MAT_UPDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADSUB_S_UME_ITEMS_DETAIL-MATNR, sy-vline,
  WA_ADSUB_S_UME_ITEMS_DETAIL-MATNR_DESCR, sy-vline,
  WA_ADSUB_S_UME_ITEMS_DETAIL-PICCAT, sy-vline,
  WA_ADSUB_S_UME_ITEMS_DETAIL-PICCAT_DESCR, sy-vline,
  WA_ADSUB_S_UME_ITEMS_DETAIL-PICCODE, sy-vline,
  WA_ADSUB_S_UME_ITEMS_DETAIL-IMATN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADSUB_S_UME_ITEMS_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_ADSUB_S_UME_ITEMS_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_ADSUB_S_UME_ITEMS_DETAIL INTO WA_ADSUB_S_UME_ITEMS_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 CUNIT, internal->external for field MEINS_IC
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADSUB_S_UME_ITEMS_DETAIL-MEINS_IC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADSUB_S_UME_ITEMS_DETAIL-MEINS_IC.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ADSUB_S_UME_ITEMS_DETAIL-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADSUB_S_UME_ITEMS_DETAIL-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field IMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ADSUB_S_UME_ITEMS_DETAIL-IMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADSUB_S_UME_ITEMS_DETAIL-IMATN.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit MATN1, internal->external for field LMATN
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ADSUB_S_UME_ITEMS_DETAIL-LMATN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADSUB_S_UME_ITEMS_DETAIL-LMATN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ADSUB_S_UME_ITEMS_DETAIL-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ADSUB_S_UME_ITEMS_DETAIL-MEINS.
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_ADSUB_S_UME_ITEMS_DETAIL_STR, 
MENGE_IC TYPE STRING,
MEINS_IC TYPE STRING,
IC_TYPE_ICON TYPE STRING,
MRPSET_LIGHT TYPE STRING,
MAT_UPDATE TYPE STRING,
MATNR TYPE STRING,
MATNR_DESCR TYPE STRING,
PICCAT TYPE STRING,
PICCAT_DESCR TYPE STRING,
PICCODE TYPE STRING,
IMATN TYPE STRING,
IMATN_DESCR TYPE STRING,
PICNUM TYPE STRING,
MRPGR TYPE STRING,
LMATN TYPE STRING,
MFRPN TYPE STRING,
EMNFR TYPE STRING,
WERKS TYPE STRING,
LGORT TYPE STRING,
BERID TYPE STRING,
CHARG TYPE STRING,
ATPMNG TYPE STRING,
MEINS TYPE STRING,
MRPSET TYPE STRING,
PICCODE_DESCR TYPE STRING,
DATFR TYPE STRING,
INTTYPE TYPE STRING,
CELLTAB TYPE STRING,
DETAILS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADSUB_S_UME_ITEMS_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_ADSUB_S_UME_ITEMS_DETAIL_STR-MENGE_IC sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MEINS_IC sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-IC_TYPE_ICON sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MRPSET_LIGHT sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MAT_UPDATE sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MATNR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MATNR_DESCR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-PICCAT sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-PICCAT_DESCR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-PICCODE sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-IMATN sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-IMATN_DESCR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-PICNUM sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MRPGR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-LMATN sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MFRPN sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-EMNFR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-WERKS sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-LGORT sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-BERID sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-CHARG sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-ATPMNG sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MEINS sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-MRPSET sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-PICCODE_DESCR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-DATFR sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-INTTYPE sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-CELLTAB sy-vline 
WA_ADSUB_S_UME_ITEMS_DETAIL_STR-DETAILS sy-vline      INTO ld_text SEPARATED BY SPACE.

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