ABAP Select data from SAP table UPS_S_OD_WELL_TEST_ITEM 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_WELL_TEST_ITEM 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_WELL_TEST_ITEM. 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_WELL_TEST_ITEM 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_WELL_TEST_ITEM TYPE STANDARD TABLE OF UPS_S_OD_WELL_TEST_ITEM,
      WA_UPS_S_OD_WELL_TEST_ITEM TYPE UPS_S_OD_WELL_TEST_ITEM,
      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_WELL_TEST_ITEM> TYPE UPS_S_OD_WELL_TEST_ITEM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UPS_S_OD_WELL_TEST_ITEM
*  INTO TABLE @DATA(IT_UPS_S_OD_WELL_TEST_ITEM2).
*--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_WELL_TEST_ITEM INDEX 1 INTO DATA(WA_UPS_S_OD_WELL_TEST_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UPS_S_OD_WELL_TEST_ITEM>-PRODUCTIONNETWORK = 1.
<UPS_S_OD_WELL_TEST_ITEM>-NETWORKOBJECT = 1.
<UPS_S_OD_WELL_TEST_ITEM>-NETWORKOBJECTTYPE = 1.
<UPS_S_OD_WELL_TEST_ITEM>-INSPLOT = 1.
<UPS_S_OD_WELL_TEST_ITEM>-CHARACTERISTICS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UPS_S_OD_WELL_TEST_ITEM-QUANTITY, sy-vline,
  WA_UPS_S_OD_WELL_TEST_ITEM-UOM, sy-vline,
  WA_UPS_S_OD_WELL_TEST_ITEM-CHAR_DESC, sy-vline,
  WA_UPS_S_OD_WELL_TEST_ITEM-TO_HIDE, sy-vline,
  WA_UPS_S_OD_WELL_TEST_ITEM-INSPOPER, sy-vline,
  WA_UPS_S_OD_WELL_TEST_ITEM-INSPCHAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UPS_S_OD_WELL_TEST_ITEM 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_WELL_TEST_ITEM 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_WELL_TEST_ITEM INTO WA_UPS_S_OD_WELL_TEST_ITEM.


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

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

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

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

*Conversion exit CUNIT, internal->external for field FUOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_UPS_S_OD_WELL_TEST_ITEM-FUOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_UPS_S_OD_WELL_TEST_ITEM-FUOM.
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_WELL_TEST_ITEM_STR, 
PRODUCTIONNETWORK TYPE STRING,
NETWORKOBJECT TYPE STRING,
NETWORKOBJECTTYPE TYPE STRING,
INSPLOT TYPE STRING,
CHARACTERISTICS TYPE STRING,
QUANTITY TYPE STRING,
UOM TYPE STRING,
CHAR_DESC TYPE STRING,
TO_HIDE TYPE STRING,
INSPOPER TYPE STRING,
INSPCHAR TYPE STRING,
WC_GUID TYPE STRING,
IS_PERCENTAGE TYPE STRING,
FNAME TYPE STRING,
FLABEL TYPE STRING,
FLENGTH TYPE STRING,
FDECIMAL TYPE STRING,
FSIGN TYPE STRING,
FGROUP TYPE STRING,
FGROUP_TEXT TYPE STRING,
FMODE TYPE STRING,
FUOM TYPE STRING,
FVALUETYPE TYPE STRING,
FNUMVALUE TYPE STRING,
FCHARVALUE TYPE STRING,
FDATEVALUE TYPE STRING,
FOPT TYPE STRING,
FLOW TYPE STRING,
FHIGH TYPE STRING,
FCHARDESC TYPE STRING,
MEAS_CAT_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UPS_S_OD_WELL_TEST_ITEM_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_WELL_TEST_ITEM_STR-PRODUCTIONNETWORK sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-NETWORKOBJECT sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-NETWORKOBJECTTYPE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-INSPLOT sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-CHARACTERISTICS sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-QUANTITY sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-UOM sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-CHAR_DESC sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-TO_HIDE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-INSPOPER sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-INSPCHAR sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-WC_GUID sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-IS_PERCENTAGE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FNAME sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FLABEL sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FLENGTH sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FDECIMAL sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FSIGN sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FGROUP sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FGROUP_TEXT sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FMODE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FUOM sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FVALUETYPE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FNUMVALUE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FCHARVALUE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FDATEVALUE sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FOPT sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FLOW sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FHIGH sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-FCHARDESC sy-vline 
WA_UPS_S_OD_WELL_TEST_ITEM_STR-MEAS_CAT_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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