ABAP Select data from SAP table /SAPSRM/S_PCO_ITM_LIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_PCO_ITM_LIST
*  INTO TABLE @DATA(IT_/SAPSRM/S_PCO_ITM_LIST2).
*--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_/SAPSRM/S_PCO_ITM_LIST INDEX 1 INTO DATA(WA_/SAPSRM/S_PCO_ITM_LIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_PCO_ITM_LIST>-PARENT = 1.
</SAPSRM/S_PCO_ITM_LIST>-GUID = 1.
</SAPSRM/S_PCO_ITM_LIST>-NUMBER_INT = 1.
</SAPSRM/S_PCO_ITM_LIST>-ACCEPT_STAT_CODE = 1.
</SAPSRM/S_PCO_ITM_LIST>-ACCEPTANCE_STATUS_DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSRM/S_PCO_ITM_LIST-ITM_TYPE, sy-vline,
  WA_/SAPSRM/S_PCO_ITM_LIST-ITM_TYPE_DESC, sy-vline,
  WA_/SAPSRM/S_PCO_ITM_LIST-ORDERED_PROD, sy-vline,
  WA_/SAPSRM/S_PCO_ITM_LIST-DESCRIPTION, sy-vline,
  WA_/SAPSRM/S_PCO_ITM_LIST-QUANTITY, sy-vline,
  WA_/SAPSRM/S_PCO_ITM_LIST-PO_QUANTITY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_PCO_ITM_LIST 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_/SAPSRM/S_PCO_ITM_LIST 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_/SAPSRM/S_PCO_ITM_LIST INTO WA_/SAPSRM/S_PCO_ITM_LIST.


*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 UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_PCO_ITM_LIST-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_PCO_ITM_LIST-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field REV_LEV
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_PCO_ITM_LIST-REV_LEV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_PCO_ITM_LIST-REV_LEV.
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_/SAPSRM/S_PCO_ITM_LIST_STR, 
PARENT TYPE STRING,
GUID TYPE STRING,
NUMBER_INT TYPE STRING,
ACCEPT_STAT_CODE TYPE STRING,
ACCEPTANCE_STATUS_DESCRIPTION TYPE STRING,
ITM_TYPE TYPE STRING,
ITM_TYPE_DESC TYPE STRING,
ORDERED_PROD TYPE STRING,
DESCRIPTION TYPE STRING,
QUANTITY TYPE STRING,
PO_QUANTITY TYPE STRING,
PRICE TYPE STRING,
PO_PRICE TYPE STRING,
DELIV_DATE TYPE STRING,
PO_DELIV_DATE TYPE STRING,
DELIVERY TYPE STRING,
VPER_END TYPE STRING,
PO_VPER_END TYPE STRING,
STAT_OBSOLETE TYPE STRING,
UNIT TYPE STRING,
VPER_START TYPE STRING,
PO_VPER_START TYPE STRING,
POR_CURRENCY TYPE STRING,
PO_CURRENCY TYPE STRING,
PRICE_UNIT TYPE STRING,
PO_PRICE_UNIT TYPE STRING,
STATUS TYPE STRING,
POR_TIMEFRAME TYPE STRING,
PO_TIMEFRAME TYPE STRING,
POR_PRICE TYPE STRING,
PO_CURR_PRICE TYPE STRING,
OBSOLETE TYPE STRING,
SRC_GUID TYPE STRING,
REV_LEV TYPE STRING,
DUMMY_EEW_PDISC_PCO TYPE STRING,
DUMMY_EEW_PDISS_PCO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_PCO_ITM_LIST_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_/SAPSRM/S_PCO_ITM_LIST_STR-PARENT sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-GUID sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-NUMBER_INT sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-ACCEPT_STAT_CODE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-ACCEPTANCE_STATUS_DESCRIPTION sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-ITM_TYPE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-ITM_TYPE_DESC sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-ORDERED_PROD sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-DESCRIPTION sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-QUANTITY sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_QUANTITY sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PRICE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_PRICE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-DELIV_DATE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_DELIV_DATE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-DELIVERY sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-VPER_END sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_VPER_END sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-STAT_OBSOLETE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-UNIT sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-VPER_START sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_VPER_START sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-POR_CURRENCY sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_CURRENCY sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PRICE_UNIT sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_PRICE_UNIT sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-STATUS sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-POR_TIMEFRAME sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_TIMEFRAME sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-POR_PRICE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-PO_CURR_PRICE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-OBSOLETE sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-SRC_GUID sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-REV_LEV sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-DUMMY_EEW_PDISC_PCO sy-vline 
WA_/SAPSRM/S_PCO_ITM_LIST_STR-DUMMY_EEW_PDISS_PCO sy-vline      INTO ld_text SEPARATED BY SPACE.

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