ABAP Select data from SAP table MSR_S_RRD_SPLIT_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MSR_S_RRD_SPLIT_ITEM
*  INTO TABLE @DATA(IT_MSR_S_RRD_SPLIT_ITEM2).
*--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_MSR_S_RRD_SPLIT_ITEM INDEX 1 INTO DATA(WA_MSR_S_RRD_SPLIT_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MSR_S_RRD_SPLIT_ITEM>-POSNR = 1.
<MSR_S_RRD_SPLIT_ITEM>-SPLITLEVEL = 1.
<MSR_S_RRD_SPLIT_ITEM>-MATNR = 1.
<MSR_S_RRD_SPLIT_ITEM>-ARKTX = 1.
<MSR_S_RRD_SPLIT_ITEM>-RET_REASON = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MSR_S_RRD_SPLIT_ITEM-INSPECTION_CODE, sy-vline,
  WA_MSR_S_RRD_SPLIT_ITEM-SPLIT_ID, sy-vline,
  WA_MSR_S_RRD_SPLIT_ITEM-SPLIT_QTY, sy-vline,
  WA_MSR_S_RRD_SPLIT_ITEM-SPLIT_UNIT, sy-vline,
  WA_MSR_S_RRD_SPLIT_ITEM-KWMENG, sy-vline,
  WA_MSR_S_RRD_SPLIT_ITEM-VRKME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MSR_S_RRD_SPLIT_ITEM 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_MSR_S_RRD_SPLIT_ITEM 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_MSR_S_RRD_SPLIT_ITEM INTO WA_MSR_S_RRD_SPLIT_ITEM.


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

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

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

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

*Conversion exit CUNIT, internal->external for field REPLACE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_MSR_S_RRD_SPLIT_ITEM-REPLACE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MSR_S_RRD_SPLIT_ITEM-REPLACE_UNIT.
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_MSR_S_RRD_SPLIT_ITEM_STR, 
POSNR TYPE STRING,
SPLITLEVEL TYPE STRING,
MATNR TYPE STRING,
ARKTX TYPE STRING,
RET_REASON TYPE STRING,
INSPECTION_CODE TYPE STRING,
SPLIT_ID TYPE STRING,
SPLIT_QTY TYPE STRING,
SPLIT_UNIT TYPE STRING,
KWMENG TYPE STRING,
VRKME TYPE STRING,
REFUND_CODE TYPE STRING,
REFUND_TXT TYPE STRING,
DROP_DOWN_HANDLE TYPE STRING,
CELLTAB TYPE STRING,
ROW_COLOR TYPE STRING,
CELL_COLOR TYPE STRING,
ABGRU TYPE STRING,
ABGRU_TXT TYPE STRING,
REPLACE_MATNR TYPE STRING,
REPLACE_QTY TYPE STRING,
REPLACE_UNIT TYPE STRING,
POSGUID TYPE STRING,
REP_AVAIL_DATE TYPE STRING,
REP_AVAIL_QTY TYPE STRING,
PAYING_PLANT TYPE STRING,
REFUND_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MSR_S_RRD_SPLIT_ITEM_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_MSR_S_RRD_SPLIT_ITEM_STR-POSNR sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-SPLITLEVEL sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-MATNR sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-ARKTX sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-RET_REASON sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-INSPECTION_CODE sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-SPLIT_ID sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-SPLIT_QTY sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-SPLIT_UNIT sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-KWMENG sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-VRKME sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REFUND_CODE sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REFUND_TXT sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-DROP_DOWN_HANDLE sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-CELLTAB sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-ROW_COLOR sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-CELL_COLOR sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-ABGRU sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-ABGRU_TXT sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REPLACE_MATNR sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REPLACE_QTY sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REPLACE_UNIT sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-POSGUID sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REP_AVAIL_DATE sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REP_AVAIL_QTY sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-PAYING_PLANT sy-vline 
WA_MSR_S_RRD_SPLIT_ITEM_STR-REFUND_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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