ABAP Select data from SAP table PSNETWORKACTIVITY_STATUS_S into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PSNETWORKACTIVITY_STATUS_S 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 PSNETWORKACTIVITY_STATUS_S. 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 PSNETWORKACTIVITY_STATUS_S 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_PSNETWORKACTIVITY_STATUS_S TYPE STANDARD TABLE OF PSNETWORKACTIVITY_STATUS_S,
      WA_PSNETWORKACTIVITY_STATUS_S TYPE PSNETWORKACTIVITY_STATUS_S,
      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: <PSNETWORKACTIVITY_STATUS_S> TYPE PSNETWORKACTIVITY_STATUS_S.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PSNETWORKACTIVITY_STATUS_S
  INTO TABLE IT_PSNETWORKACTIVITY_STATUS_S.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSNETWORKACTIVITY_STATUS_S
*  INTO TABLE @DATA(IT_PSNETWORKACTIVITY_STATUS_S2).
*--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_PSNETWORKACTIVITY_STATUS_S INDEX 1 INTO DATA(WA_PSNETWORKACTIVITY_STATUS_S2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PSNETWORKACTIVITY_STATUS_S ASSIGNING <PSNETWORKACTIVITY_STATUS_S>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSNETWORKACTIVITY_STATUS_S>-NETWORK = 1.
<PSNETWORKACTIVITY_STATUS_S>-ACTIVITY = 1.
<PSNETWORKACTIVITY_STATUS_S>-SUPERIOR_ACTIVITY = 1.
<PSNETWORKACTIVITY_STATUS_S>-STATUS = 1.
<PSNETWORKACTIVITY_STATUS_S>-STATUS_NAME = 1.

ENDLOOP.

LOOP AT IT_PSNETWORKACTIVITY_STATUS_S INTO WA_PSNETWORKACTIVITY_STATUS_S.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSNETWORKACTIVITY_STATUS_S-ONINDICATOR, sy-vline,
  WA_PSNETWORKACTIVITY_STATUS_S-ISEDITABLE, sy-vline,
  WA_PSNETWORKACTIVITY_STATUS_S-GROUPINGID, sy-vline,
  WA_PSNETWORKACTIVITY_STATUS_S-STATUS_TYPE, sy-vline,
  WA_PSNETWORKACTIVITY_STATUS_S-STATUS_NAME2, sy-vline,
  WA_PSNETWORKACTIVITY_STATUS_S-DUMMY_ACTIVIT_INCL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSNETWORKACTIVITY_STATUS_S 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_PSNETWORKACTIVITY_STATUS_S 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_PSNETWORKACTIVITY_STATUS_S INTO WA_PSNETWORKACTIVITY_STATUS_S.


*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 NETWORK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSNETWORKACTIVITY_STATUS_S-NETWORK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSNETWORKACTIVITY_STATUS_S-NETWORK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PSNETWORKACTIVITY_STATUS_S-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSNETWORKACTIVITY_STATUS_S-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field SUPERIOR_ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PSNETWORKACTIVITY_STATUS_S-SUPERIOR_ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSNETWORKACTIVITY_STATUS_S-SUPERIOR_ACTIVITY.
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_PSNETWORKACTIVITY_STATUS_S_STR, 
NETWORK TYPE STRING,
ACTIVITY TYPE STRING,
SUPERIOR_ACTIVITY TYPE STRING,
STATUS TYPE STRING,
STATUS_NAME TYPE STRING,
ONINDICATOR TYPE STRING,
ISEDITABLE TYPE STRING,
GROUPINGID TYPE STRING,
STATUS_TYPE TYPE STRING,
STATUS_NAME2 TYPE STRING,
DUMMY_ACTIVIT_INCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSNETWORKACTIVITY_STATUS_S_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_PSNETWORKACTIVITY_STATUS_S_STR-NETWORK sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-ACTIVITY sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-SUPERIOR_ACTIVITY sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-STATUS sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-STATUS_NAME sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-ONINDICATOR sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-ISEDITABLE sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-GROUPINGID sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-STATUS_TYPE sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-STATUS_NAME2 sy-vline 
WA_PSNETWORKACTIVITY_STATUS_S_STR-DUMMY_ACTIVIT_INCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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