ABAP Select data from SAP table /RPM/TS_DECISION_MULTI_API into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /RPM/TS_DECISION_MULTI_API
*  INTO TABLE @DATA(IT_/RPM/TS_DECISION_MULTI_API2).
*--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_/RPM/TS_DECISION_MULTI_API INDEX 1 INTO DATA(WA_/RPM/TS_DECISION_MULTI_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</RPM/TS_DECISION_MULTI_API>-SEQID = 1.
</RPM/TS_DECISION_MULTI_API>-OBJECT_TYPE = 1.
</RPM/TS_DECISION_MULTI_API>-OBJECT_GUID = 1.
</RPM/TS_DECISION_MULTI_API>-GUID = 1.
</RPM/TS_DECISION_MULTI_API>-NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/RPM/TS_DECISION_MULTI_API-DECISION_ID, sy-vline,
  WA_/RPM/TS_DECISION_MULTI_API-ITEM_GUID, sy-vline,
  WA_/RPM/TS_DECISION_MULTI_API-CHANGED_ON, sy-vline,
  WA_/RPM/TS_DECISION_MULTI_API-CHANGED_BY, sy-vline,
  WA_/RPM/TS_DECISION_MULTI_API-PLAN_START, sy-vline,
  WA_/RPM/TS_DECISION_MULTI_API-PLAN_FINISH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/RPM/TS_DECISION_MULTI_API 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_/RPM/TS_DECISION_MULTI_API 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_/RPM/TS_DECISION_MULTI_API INTO WA_/RPM/TS_DECISION_MULTI_API.


*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 TSTPS, internal->external for field CHANGED_ON
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/RPM/TS_DECISION_MULTI_API-CHANGED_ON
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/RPM/TS_DECISION_MULTI_API-CHANGED_ON.
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_/RPM/TS_DECISION_MULTI_API_STR, 
SEQID TYPE STRING,
OBJECT_TYPE TYPE STRING,
OBJECT_GUID TYPE STRING,
GUID TYPE STRING,
NAME TYPE STRING,
DECISION_ID TYPE STRING,
ITEM_GUID TYPE STRING,
CHANGED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
PLAN_START TYPE STRING,
PLAN_FINISH TYPE STRING,
ACTUAL_START TYPE STRING,
ACTUAL_FINISH TYPE STRING,
FORECAST_START TYPE STRING,
FORECAST_FINISH TYPE STRING,
STATUS TYPE STRING,
ACTIVE TYPE STRING,
PLANNED_DECISION_DATE TYPE STRING,
ACTUAL_DECISION_DATE TYPE STRING,
FORECAST_DEC_DATE TYPE STRING,
RESPONSIBLE_ROLE TYPE STRING,
RESPONSIBLE_ROLE_GUID TYPE STRING,
RESOURCE_GUID TYPE STRING,
RESPONSIBLE_NAME TYPE STRING,
D_CHANGED_ON TYPE STRING,
PLANNED_DURATION TYPE STRING,
ACTUAL_DURATION TYPE STRING,
FORECASTED_DURATION TYPE STRING,
DELAY_INDICATOR TYPE STRING,
ISREVERTED TYPE STRING,
EA_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/RPM/TS_DECISION_MULTI_API_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_/RPM/TS_DECISION_MULTI_API_STR-SEQID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-OBJECT_TYPE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-OBJECT_GUID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-GUID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-NAME sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-DECISION_ID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ITEM_GUID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-CHANGED_ON sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-CHANGED_BY sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-PLAN_START sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-PLAN_FINISH sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ACTUAL_START sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ACTUAL_FINISH sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-FORECAST_START sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-FORECAST_FINISH sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-STATUS sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ACTIVE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-PLANNED_DECISION_DATE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ACTUAL_DECISION_DATE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-FORECAST_DEC_DATE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-RESPONSIBLE_ROLE sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-RESPONSIBLE_ROLE_GUID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-RESOURCE_GUID sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-RESPONSIBLE_NAME sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-D_CHANGED_ON sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-PLANNED_DURATION sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ACTUAL_DURATION sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-FORECASTED_DURATION sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-DELAY_INDICATOR sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-ISREVERTED sy-vline 
WA_/RPM/TS_DECISION_MULTI_API_STR-EA_DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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