ABAP Select data from SAP table /SAPAPO/MSDP_SPL_LOG_STR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SAPAPO/MSDP_SPL_LOG_STR 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 /SAPAPO/MSDP_SPL_LOG_STR. 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 /SAPAPO/MSDP_SPL_LOG_STR 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_/SAPAPO/MSDP_SPL_LOG_STR TYPE STANDARD TABLE OF /SAPAPO/MSDP_SPL_LOG_STR,
      WA_/SAPAPO/MSDP_SPL_LOG_STR TYPE /SAPAPO/MSDP_SPL_LOG_STR,
      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: </SAPAPO/MSDP_SPL_LOG_STR> TYPE /SAPAPO/MSDP_SPL_LOG_STR.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SAPAPO/MSDP_SPL_LOG_STR
  INTO TABLE IT_/SAPAPO/MSDP_SPL_LOG_STR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/MSDP_SPL_LOG_STR
*  INTO TABLE @DATA(IT_/SAPAPO/MSDP_SPL_LOG_STR2).
*--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_/SAPAPO/MSDP_SPL_LOG_STR INDEX 1 INTO DATA(WA_/SAPAPO/MSDP_SPL_LOG_STR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SAPAPO/MSDP_SPL_LOG_STR ASSIGNING </SAPAPO/MSDP_SPL_LOG_STR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/MSDP_SPL_LOG_STR>-MATNR = 1.
</SAPAPO/MSDP_SPL_LOG_STR>-LOCFR = 1.
</SAPAPO/MSDP_SPL_LOG_STR>-LOCTO = 1.
</SAPAPO/MSDP_SPL_LOG_STR>-DATE_RECEIVE = 1.
</SAPAPO/MSDP_SPL_LOG_STR>-QUAN_REVEIVE = 1.

ENDLOOP.

LOOP AT IT_/SAPAPO/MSDP_SPL_LOG_STR INTO WA_/SAPAPO/MSDP_SPL_LOG_STR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/MSDP_SPL_LOG_STR-QUAN_STORAGE, sy-vline,
  WA_/SAPAPO/MSDP_SPL_LOG_STR-QUAN_TARGET_STOCK, sy-vline,
  WA_/SAPAPO/MSDP_SPL_LOG_STR-ROUNDINGVALUE, sy-vline,
  WA_/SAPAPO/MSDP_SPL_LOG_STR-QUAN_SHORTAGE, sy-vline,
  WA_/SAPAPO/MSDP_SPL_LOG_STR-PRIO_SHORTAGE, sy-vline,
  WA_/SAPAPO/MSDP_SPL_LOG_STR-QUAN_TARGET_STOCK_DELI, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/MSDP_SPL_LOG_STR 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_/SAPAPO/MSDP_SPL_LOG_STR 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_/SAPAPO/MSDP_SPL_LOG_STR INTO WA_/SAPAPO/MSDP_SPL_LOG_STR.


*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_/SAPAPO/MSDP_SPL_LOG_STR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_SPL_LOG_STR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/MSDP_SPL_LOG_STR-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/MSDP_SPL_LOG_STR-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_/SAPAPO/MSDP_SPL_LOG_STR_STR, 
MATNR TYPE STRING,
LOCFR TYPE STRING,
LOCTO TYPE STRING,
DATE_RECEIVE TYPE STRING,
QUAN_REVEIVE TYPE STRING,
QUAN_STORAGE TYPE STRING,
QUAN_TARGET_STOCK TYPE STRING,
ROUNDINGVALUE TYPE STRING,
QUAN_SHORTAGE TYPE STRING,
PRIO_SHORTAGE TYPE STRING,
QUAN_TARGET_STOCK_DELI TYPE STRING,
PRIO_TARGET_STOCK TYPE STRING,
QUAN_OVERDELIVERY TYPE STRING,
PRIO_OVERDELIVERY TYPE STRING,
MEINS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/MSDP_SPL_LOG_STR_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_/SAPAPO/MSDP_SPL_LOG_STR_STR-MATNR sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-LOCFR sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-LOCTO sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-DATE_RECEIVE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_REVEIVE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_STORAGE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_TARGET_STOCK sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-ROUNDINGVALUE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_SHORTAGE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-PRIO_SHORTAGE sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_TARGET_STOCK_DELI sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-PRIO_TARGET_STOCK sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-QUAN_OVERDELIVERY sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-PRIO_OVERDELIVERY sy-vline 
WA_/SAPAPO/MSDP_SPL_LOG_STR_STR-MEINS sy-vline      INTO ld_text SEPARATED BY SPACE.

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