ABAP Select data from SAP table UPS_S_OD_FC_MP_NETWORK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPS_S_OD_FC_MP_NETWORK
*  INTO TABLE @DATA(IT_UPS_S_OD_FC_MP_NETWORK2).
*--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_UPS_S_OD_FC_MP_NETWORK INDEX 1 INTO DATA(WA_UPS_S_OD_FC_MP_NETWORK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPS_S_OD_FC_MP_NETWORK>-PROJECT_ID = 1.
<UPS_S_OD_FC_MP_NETWORK>-SCENARIO_ID = 1.
<UPS_S_OD_FC_MP_NETWORK>-NETWORK_ID = 1.
<UPS_S_OD_FC_MP_NETWORK>-FOBJECT_TYPE = 1.
<UPS_S_OD_FC_MP_NETWORK>-OBJECT_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPS_S_OD_FC_MP_NETWORK-PROJECT_NAME, sy-vline,
  WA_UPS_S_OD_FC_MP_NETWORK-SCENARIO_NAME, sy-vline,
  WA_UPS_S_OD_FC_MP_NETWORK-NETWORK_NAME, sy-vline,
  WA_UPS_S_OD_FC_MP_NETWORK-NETWORK_DESCRIPTION, sy-vline,
  WA_UPS_S_OD_FC_MP_NETWORK-EFF_DATE_FROM, sy-vline,
  WA_UPS_S_OD_FC_MP_NETWORK-EFF_DATE_TO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPS_S_OD_FC_MP_NETWORK 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_UPS_S_OD_FC_MP_NETWORK 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_UPS_S_OD_FC_MP_NETWORK INTO WA_UPS_S_OD_FC_MP_NETWORK.


*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 GHOFC, internal->external for field NETWORK_NAME
CALL FUNCTION 'CONVERSION_EXIT_GHOFC_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_FC_MP_NETWORK-NETWORK_NAME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_FC_MP_NETWORK-NETWORK_NAME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PROFIT_CENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_FC_MP_NETWORK-PROFIT_CENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_FC_MP_NETWORK-PROFIT_CENTER.
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_UPS_S_OD_FC_MP_NETWORK_STR, 
PROJECT_ID TYPE STRING,
SCENARIO_ID TYPE STRING,
NETWORK_ID TYPE STRING,
FOBJECT_TYPE TYPE STRING,
OBJECT_TYPE TYPE STRING,
PROJECT_NAME TYPE STRING,
SCENARIO_NAME TYPE STRING,
NETWORK_NAME TYPE STRING,
NETWORK_DESCRIPTION TYPE STRING,
EFF_DATE_FROM TYPE STRING,
EFF_DATE_TO TYPE STRING,
FIELD_NAME TYPE STRING,
FLAG_EXISTS_IN_PM TYPE STRING,
IS_MODIFIED TYPE STRING,
CHAIN_FLAG TYPE STRING,
COST_CENTER TYPE STRING,
COST_CENTER_DESC TYPE STRING,
PROFIT_CENTER TYPE STRING,
PROFIT_CENTER_DESC TYPE STRING,
WBS TYPE STRING,
WBS_DESC TYPE STRING,
CHANGED_TST TYPE STRING,
IS_PROJECT_SUBMITTED TYPE STRING,
NETWORKOBJECTS TYPE STRING,
LINKS TYPE STRING,
NETWORKMEDIUMS TYPE STRING,
HIERARCHIES TYPE STRING,
EQUATIONS TYPE STRING,
CONVFACTORS TYPE STRING,
IS_PROJECT_LOCKED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPS_S_OD_FC_MP_NETWORK_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_UPS_S_OD_FC_MP_NETWORK_STR-PROJECT_ID sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-SCENARIO_ID sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-NETWORK_ID sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-FOBJECT_TYPE sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-OBJECT_TYPE sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-PROJECT_NAME sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-SCENARIO_NAME sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-NETWORK_NAME sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-NETWORK_DESCRIPTION sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-EFF_DATE_FROM sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-EFF_DATE_TO sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-FIELD_NAME sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-FLAG_EXISTS_IN_PM sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-IS_MODIFIED sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-CHAIN_FLAG sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-COST_CENTER sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-COST_CENTER_DESC sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-PROFIT_CENTER sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-PROFIT_CENTER_DESC sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-WBS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-WBS_DESC sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-CHANGED_TST sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-IS_PROJECT_SUBMITTED sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-NETWORKOBJECTS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-LINKS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-NETWORKMEDIUMS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-HIERARCHIES sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-EQUATIONS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-CONVFACTORS sy-vline 
WA_UPS_S_OD_FC_MP_NETWORK_STR-IS_PROJECT_LOCKED sy-vline      INTO ld_text SEPARATED BY SPACE.

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