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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/RAWDML
*  INTO TABLE @DATA(IT_/SAPAPO/RAWDML2).
*--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/RAWDML INDEX 1 INTO DATA(WA_/SAPAPO/RAWDML2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/RAWDML>-MANDT = 1.
</SAPAPO/RAWDML>-UUID = 1.
</SAPAPO/RAWDML>-LOGSYS = 1.
</SAPAPO/RAWDML>-ORDER_NO = 1.
</SAPAPO/RAWDML>-ITEM_NO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/RAWDML-SCHED_NO, sy-vline,
  WA_/SAPAPO/RAWDML-ORDER_DATE, sy-vline,
  WA_/SAPAPO/RAWDML-DEM_TYPE, sy-vline,
  WA_/SAPAPO/RAWDML-PRODUCT, sy-vline,
  WA_/SAPAPO/RAWDML-FACING_ORI, sy-vline,
  WA_/SAPAPO/RAWDML-FACING, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/RAWDML 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/RAWDML 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/RAWDML INTO WA_/SAPAPO/RAWDML.


*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 BASE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/RAWDML-BASE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/RAWDML-BASE_UOM.
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/RAWDML_STR, 
MANDT TYPE STRING,
UUID TYPE STRING,
LOGSYS TYPE STRING,
ORDER_NO TYPE STRING,
ITEM_NO TYPE STRING,
SCHED_NO TYPE STRING,
ORDER_DATE TYPE STRING,
DEM_TYPE TYPE STRING,
PRODUCT TYPE STRING,
FACING_ORI TYPE STRING,
FACING TYPE STRING,
STOCKING TYPE STRING,
DEM_CAT TYPE STRING,
CUST_NO TYPE STRING,
DEM_QTY TYPE STRING,
BASE_UOM TYPE STRING,
SHIP_DATE TYPE STRING,
DEM_ENTRY TYPE STRING,
ORD_TYPE TYPE STRING,
ITM_TYPE TYPE STRING,
TPOP TYPE STRING,
ABNORMAL TYPE STRING,
VCP_FA TYPE STRING,
VCP_ST TYPE STRING,
EMER_ORD TYPE STRING,
FDO_ID TYPE STRING,
IS_FDO TYPE STRING,
PERKZ TYPE STRING,
FISCVARNT TYPE STRING,
PERID TYPE STRING,
CGFLD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/RAWDML_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/RAWDML_STR-MANDT sy-vline 
WA_/SAPAPO/RAWDML_STR-UUID sy-vline 
WA_/SAPAPO/RAWDML_STR-LOGSYS sy-vline 
WA_/SAPAPO/RAWDML_STR-ORDER_NO sy-vline 
WA_/SAPAPO/RAWDML_STR-ITEM_NO sy-vline 
WA_/SAPAPO/RAWDML_STR-SCHED_NO sy-vline 
WA_/SAPAPO/RAWDML_STR-ORDER_DATE sy-vline 
WA_/SAPAPO/RAWDML_STR-DEM_TYPE sy-vline 
WA_/SAPAPO/RAWDML_STR-PRODUCT sy-vline 
WA_/SAPAPO/RAWDML_STR-FACING_ORI sy-vline 
WA_/SAPAPO/RAWDML_STR-FACING sy-vline 
WA_/SAPAPO/RAWDML_STR-STOCKING sy-vline 
WA_/SAPAPO/RAWDML_STR-DEM_CAT sy-vline 
WA_/SAPAPO/RAWDML_STR-CUST_NO sy-vline 
WA_/SAPAPO/RAWDML_STR-DEM_QTY sy-vline 
WA_/SAPAPO/RAWDML_STR-BASE_UOM sy-vline 
WA_/SAPAPO/RAWDML_STR-SHIP_DATE sy-vline 
WA_/SAPAPO/RAWDML_STR-DEM_ENTRY sy-vline 
WA_/SAPAPO/RAWDML_STR-ORD_TYPE sy-vline 
WA_/SAPAPO/RAWDML_STR-ITM_TYPE sy-vline 
WA_/SAPAPO/RAWDML_STR-TPOP sy-vline 
WA_/SAPAPO/RAWDML_STR-ABNORMAL sy-vline 
WA_/SAPAPO/RAWDML_STR-VCP_FA sy-vline 
WA_/SAPAPO/RAWDML_STR-VCP_ST sy-vline 
WA_/SAPAPO/RAWDML_STR-EMER_ORD sy-vline 
WA_/SAPAPO/RAWDML_STR-FDO_ID sy-vline 
WA_/SAPAPO/RAWDML_STR-IS_FDO sy-vline 
WA_/SAPAPO/RAWDML_STR-PERKZ sy-vline 
WA_/SAPAPO/RAWDML_STR-FISCVARNT sy-vline 
WA_/SAPAPO/RAWDML_STR-PERID sy-vline 
WA_/SAPAPO/RAWDML_STR-CGFLD sy-vline      INTO ld_text SEPARATED BY SPACE.

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