ABAP Select data from SAP table UPS_S_OD_ZONAL_CONTR_WCP 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_ZONAL_CONTR_WCP 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_ZONAL_CONTR_WCP. 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_ZONAL_CONTR_WCP 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_ZONAL_CONTR_WCP TYPE STANDARD TABLE OF UPS_S_OD_ZONAL_CONTR_WCP,
      WA_UPS_S_OD_ZONAL_CONTR_WCP TYPE UPS_S_OD_ZONAL_CONTR_WCP,
      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_ZONAL_CONTR_WCP> TYPE UPS_S_OD_ZONAL_CONTR_WCP.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPS_S_OD_ZONAL_CONTR_WCP
*  INTO TABLE @DATA(IT_UPS_S_OD_ZONAL_CONTR_WCP2).
*--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_ZONAL_CONTR_WCP INDEX 1 INTO DATA(WA_UPS_S_OD_ZONAL_CONTR_WCP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPS_S_OD_ZONAL_CONTR_WCP>-PRODUCTIONNETWORK = 1.
<UPS_S_OD_ZONAL_CONTR_WCP>-NETWORKOBJECT = 1.
<UPS_S_OD_ZONAL_CONTR_WCP>-FREQUENCY = 1.
<UPS_S_OD_ZONAL_CONTR_WCP>-MEDIUM = 1.
<UPS_S_OD_ZONAL_CONTR_WCP>-VALIDFROM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPS_S_OD_ZONAL_CONTR_WCP-VALIDTO, sy-vline,
  WA_UPS_S_OD_ZONAL_CONTR_WCP-WCGUIID, sy-vline,
  WA_UPS_S_OD_ZONAL_CONTR_WCP-WELLCOMPLETION, sy-vline,
  WA_UPS_S_OD_ZONAL_CONTR_WCP-WCNAME, sy-vline,
  WA_UPS_S_OD_ZONAL_CONTR_WCP-PERCENTAGE, sy-vline,
  WA_UPS_S_OD_ZONAL_CONTR_WCP-VISIBLE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPS_S_OD_ZONAL_CONTR_WCP 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_ZONAL_CONTR_WCP 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_ZONAL_CONTR_WCP INTO WA_UPS_S_OD_ZONAL_CONTR_WCP.


*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 TPLNR, internal->external for field PRODUCTIONNETWORK
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_ZONAL_CONTR_WCP-PRODUCTIONNETWORK
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_ZONAL_CONTR_WCP-PRODUCTIONNETWORK.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field NETWORKOBJECT
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_ZONAL_CONTR_WCP-NETWORKOBJECT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_ZONAL_CONTR_WCP-NETWORKOBJECT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field WELLCOMPLETION
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_ZONAL_CONTR_WCP-WELLCOMPLETION
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_ZONAL_CONTR_WCP-WELLCOMPLETION.
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_ZONAL_CONTR_WCP_STR, 
PRODUCTIONNETWORK TYPE STRING,
NETWORKOBJECT TYPE STRING,
FREQUENCY TYPE STRING,
MEDIUM TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
WCGUIID TYPE STRING,
WELLCOMPLETION TYPE STRING,
WCNAME TYPE STRING,
PERCENTAGE TYPE STRING,
VISIBLE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPS_S_OD_ZONAL_CONTR_WCP_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_ZONAL_CONTR_WCP_STR-PRODUCTIONNETWORK sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-NETWORKOBJECT sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-FREQUENCY sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-MEDIUM sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-VALIDFROM sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-VALIDTO sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-WCGUIID sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-WELLCOMPLETION sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-WCNAME sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-PERCENTAGE sy-vline 
WA_UPS_S_OD_ZONAL_CONTR_WCP_STR-VISIBLE sy-vline      INTO ld_text SEPARATED BY SPACE.

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