ABAP Select data from SAP table RPM_TS_R3_NETWORK_ACT_RETURN 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_R3_NETWORK_ACT_RETURN 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_R3_NETWORK_ACT_RETURN. 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_R3_NETWORK_ACT_RETURN 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_R3_NETWORK_ACT_RETURN TYPE STANDARD TABLE OF RPM_TS_R3_NETWORK_ACT_RETURN,
      WA_RPM_TS_R3_NETWORK_ACT_RETURN TYPE RPM_TS_R3_NETWORK_ACT_RETURN,
      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_R3_NETWORK_ACT_RETURN> TYPE RPM_TS_R3_NETWORK_ACT_RETURN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_RPM_TS_R3_NETWORK_ACT_RETURN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM RPM_TS_R3_NETWORK_ACT_RETURN
  INTO TABLE IT_RPM_TS_R3_NETWORK_ACT_RETURN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RPM_TS_R3_NETWORK_ACT_RETURN
*  INTO TABLE @DATA(IT_RPM_TS_R3_NETWORK_ACT_RETURN2).
*--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_R3_NETWORK_ACT_RETURN INDEX 1 INTO DATA(WA_RPM_TS_R3_NETWORK_ACT_RETURN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_RPM_TS_R3_NETWORK_ACT_RETURN ASSIGNING <RPM_TS_R3_NETWORK_ACT_RETURN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RPM_TS_R3_NETWORK_ACT_RETURN>-PROJECT_DEFINITION = 1.
<RPM_TS_R3_NETWORK_ACT_RETURN>-NETWORK = 1.
<RPM_TS_R3_NETWORK_ACT_RETURN>-ACTIVITY = 1.
<RPM_TS_R3_NETWORK_ACT_RETURN>-CONTROL_KEY = 1.
<RPM_TS_R3_NETWORK_ACT_RETURN>-DESCRIPTION = 1.

ENDLOOP.

LOOP AT IT_RPM_TS_R3_NETWORK_ACT_RETURN INTO WA_RPM_TS_R3_NETWORK_ACT_RETURN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RPM_TS_R3_NETWORK_ACT_RETURN-WORK_CNTR, sy-vline,
  WA_RPM_TS_R3_NETWORK_ACT_RETURN-PLANT, sy-vline,
  WA_RPM_TS_R3_NETWORK_ACT_RETURN-COST_ELEM, sy-vline,
  WA_RPM_TS_R3_NETWORK_ACT_RETURN-ACTTYPE, sy-vline,
  WA_RPM_TS_R3_NETWORK_ACT_RETURN-WBS_ELEMENT, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_RPM_TS_R3_NETWORK_ACT_RETURN 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_R3_NETWORK_ACT_RETURN 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_R3_NETWORK_ACT_RETURN INTO WA_RPM_TS_R3_NETWORK_ACT_RETURN.


*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 ABPSN, internal->external for field PROJECT_DEFINITION
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_RPM_TS_R3_NETWORK_ACT_RETURN-PROJECT_DEFINITION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPM_TS_R3_NETWORK_ACT_RETURN-PROJECT_DEFINITION.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NETWORK
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RPM_TS_R3_NETWORK_ACT_RETURN-NETWORK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPM_TS_R3_NETWORK_ACT_RETURN-NETWORK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field ACTIVITY
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_RPM_TS_R3_NETWORK_ACT_RETURN-ACTIVITY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPM_TS_R3_NETWORK_ACT_RETURN-ACTIVITY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COST_ELEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RPM_TS_R3_NETWORK_ACT_RETURN-COST_ELEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPM_TS_R3_NETWORK_ACT_RETURN-COST_ELEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSN, internal->external for field WBS_ELEMENT
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_RPM_TS_R3_NETWORK_ACT_RETURN-WBS_ELEMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RPM_TS_R3_NETWORK_ACT_RETURN-WBS_ELEMENT.
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_R3_NETWORK_ACT_RETURN_STR, 
PROJECT_DEFINITION TYPE STRING,
NETWORK TYPE STRING,
ACTIVITY TYPE STRING,
CONTROL_KEY TYPE STRING,
DESCRIPTION TYPE STRING,
WORK_CNTR TYPE STRING,
PLANT TYPE STRING,
COST_ELEM TYPE STRING,
ACTTYPE TYPE STRING,
WBS_ELEMENT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RPM_TS_R3_NETWORK_ACT_RETURN_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_R3_NETWORK_ACT_RETURN_STR-PROJECT_DEFINITION sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-NETWORK sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-ACTIVITY sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-CONTROL_KEY sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-DESCRIPTION sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-WORK_CNTR sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-PLANT sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-COST_ELEM sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-ACTTYPE sy-vline 
WA_RPM_TS_R3_NETWORK_ACT_RETURN_STR-WBS_ELEMENT sy-vline      INTO ld_text SEPARATED BY SPACE.

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