ABAP Select data from SAP table /ISDFPS/PM_CP_RUN_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/PM_CP_RUN_ALV
*  INTO TABLE @DATA(IT_/ISDFPS/PM_CP_RUN_ALV2).
*--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_/ISDFPS/PM_CP_RUN_ALV INDEX 1 INTO DATA(WA_/ISDFPS/PM_CP_RUN_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/PM_CP_RUN_ALV>-OBJECTTYPE = 1.
</ISDFPS/PM_CP_RUN_ALV>-CP_GUID = 1.
</ISDFPS/PM_CP_RUN_ALV>-OBKEY = 1.
</ISDFPS/PM_CP_RUN_ALV>-STEP_ID = 1.
</ISDFPS/PM_CP_RUN_ALV>-STEP_ID_LFDNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/PM_CP_RUN_ALV-KTEXT, sy-vline,
  WA_/ISDFPS/PM_CP_RUN_ALV-DIRECTION, sy-vline,
  WA_/ISDFPS/PM_CP_RUN_ALV-STATUS, sy-vline,
  WA_/ISDFPS/PM_CP_RUN_ALV-STATUS_ICON, sy-vline,
  WA_/ISDFPS/PM_CP_RUN_ALV-REASON, sy-vline,
  WA_/ISDFPS/PM_CP_RUN_ALV-LOGSYS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/PM_CP_RUN_ALV 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_/ISDFPS/PM_CP_RUN_ALV 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_/ISDFPS/PM_CP_RUN_ALV INTO WA_/ISDFPS/PM_CP_RUN_ALV.


*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 ALPHA, internal->external for field LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/PM_CP_RUN_ALV-LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/PM_CP_RUN_ALV-LOGSYS.
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_/ISDFPS/PM_CP_RUN_ALV_STR, 
OBJECTTYPE TYPE STRING,
CP_GUID TYPE STRING,
OBKEY TYPE STRING,
STEP_ID TYPE STRING,
STEP_ID_LFDNR TYPE STRING,
KTEXT TYPE STRING,
DIRECTION TYPE STRING,
STATUS TYPE STRING,
STATUS_ICON TYPE STRING,
REASON TYPE STRING,
LOGSYS TYPE STRING,
OBTYP TYPE STRING,
AENUSER TYPE STRING,
AENDT TYPE STRING,
AENTM TYPE STRING,
AENTS TYPE STRING,
NODE_KEY TYPE STRING,
NODE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/PM_CP_RUN_ALV_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_/ISDFPS/PM_CP_RUN_ALV_STR-OBJECTTYPE sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-CP_GUID sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-OBKEY sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-STEP_ID sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-STEP_ID_LFDNR sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-KTEXT sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-DIRECTION sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-STATUS sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-STATUS_ICON sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-REASON sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-LOGSYS sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-OBTYP sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-AENUSER sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-AENDT sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-AENTM sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-AENTS sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-NODE_KEY sy-vline 
WA_/ISDFPS/PM_CP_RUN_ALV_STR-NODE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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