ABAP Select data from SAP table /PLMI/S_NAV_INITIATIVE_ID_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PLMI/S_NAV_INITIATIVE_ID_ATTR
*  INTO TABLE @DATA(IT_/PLMI/S_NAV_INITIATIVE_ID_ATTR2).
*--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_/PLMI/S_NAV_INITIATIVE_ID_ATTR INDEX 1 INTO DATA(WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PLMI/S_NAV_INITIATIVE_ID_ATTR>-INTID = 1.
</PLMI/S_NAV_INITIATIVE_ID_ATTR>-NAV_LOGSYS = 1.
</PLMI/S_NAV_INITIATIVE_ID_ATTR>-DISPLAY_KEY = 1.
</PLMI/S_NAV_INITIATIVE_ID_ATTR>-OBJECT_TYPE = 1.
</PLMI/S_NAV_INITIATIVE_ID_ATTR>-DESCRIPTION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-TYPE, sy-vline,
  WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-START_DATE, sy-vline,
  WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-FINISH_DATE, sy-vline,
  WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-STATUS, sy-vline,
  WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-PRIORITY, sy-vline,
  WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-RESPONSIBLE_NAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR 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_/PLMI/S_NAV_INITIATIVE_ID_ATTR 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_/PLMI/S_NAV_INITIATIVE_ID_ATTR INTO WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR.


*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 NAV_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-NAV_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-NAV_LOGSYS.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field DURATION_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-DURATION_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR-DURATION_UNIT.
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_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR, 
INTID TYPE STRING,
NAV_LOGSYS TYPE STRING,
DISPLAY_KEY TYPE STRING,
OBJECT_TYPE TYPE STRING,
DESCRIPTION TYPE STRING,
TYPE TYPE STRING,
START_DATE TYPE STRING,
FINISH_DATE TYPE STRING,
STATUS TYPE STRING,
PRIORITY TYPE STRING,
RESPONSIBLE_NAME TYPE STRING,
FORECASTED_DURATION TYPE STRING,
DURATION_UNIT TYPE STRING,
PLANNED_DURATION TYPE STRING,
ACTUAL_DURATION TYPE STRING,
PLANNED_START TYPE STRING,
PLANNED_FINISH TYPE STRING,
FORECAST_START TYPE STRING,
FORECAST_FINISH TYPE STRING,
ACTUAL_START TYPE STRING,
ACTUAL_FINISH TYPE STRING,
NO_OF_ITEMS TYPE STRING,
ACT_DECPT_NAME TYPE STRING,
ACT_DECPT_STAT_TEXT TYPE STRING,
DECPT_INFO TYPE STRING,
CAP_PERIODTYPE TYPE STRING,
PERIODTYPE TYPE STRING,
BEGDA_FIN TYPE STRING,
ENDDA_FIN TYPE STRING,
DAYS_UNTIL_NEXT_DECISION TYPE STRING,
ACTUAL_DECISION_DATE TYPE STRING,
FORCASTED_DECISION_DATE TYPE STRING,
PLANNED_DECISION_DATE TYPE STRING,
EA_DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_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_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-INTID sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-NAV_LOGSYS sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-DISPLAY_KEY sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-OBJECT_TYPE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-DESCRIPTION sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-TYPE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-START_DATE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-FINISH_DATE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-STATUS sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PRIORITY sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-RESPONSIBLE_NAME sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-FORECASTED_DURATION sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-DURATION_UNIT sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PLANNED_DURATION sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACTUAL_DURATION sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PLANNED_START sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PLANNED_FINISH sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-FORECAST_START sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-FORECAST_FINISH sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACTUAL_START sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACTUAL_FINISH sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-NO_OF_ITEMS sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACT_DECPT_NAME sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACT_DECPT_STAT_TEXT sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-DECPT_INFO sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-CAP_PERIODTYPE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PERIODTYPE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-BEGDA_FIN sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ENDDA_FIN sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-DAYS_UNTIL_NEXT_DECISION sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-ACTUAL_DECISION_DATE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-FORCASTED_DECISION_DATE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_STR-PLANNED_DECISION_DATE sy-vline 
WA_/PLMI/S_NAV_INITIATIVE_ID_ATTR_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.