ABAP Select data from SAP table /SCMTMS/S_GNT_ACTIVITY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCMTMS/S_GNT_ACTIVITY 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 /SCMTMS/S_GNT_ACTIVITY. 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 /SCMTMS/S_GNT_ACTIVITY 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_/SCMTMS/S_GNT_ACTIVITY TYPE STANDARD TABLE OF /SCMTMS/S_GNT_ACTIVITY,
      WA_/SCMTMS/S_GNT_ACTIVITY TYPE /SCMTMS/S_GNT_ACTIVITY,
      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: </SCMTMS/S_GNT_ACTIVITY> TYPE /SCMTMS/S_GNT_ACTIVITY.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCMTMS/S_GNT_ACTIVITY
  INTO TABLE IT_/SCMTMS/S_GNT_ACTIVITY.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCMTMS/S_GNT_ACTIVITY
*  INTO TABLE @DATA(IT_/SCMTMS/S_GNT_ACTIVITY2).
*--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_/SCMTMS/S_GNT_ACTIVITY INDEX 1 INTO DATA(WA_/SCMTMS/S_GNT_ACTIVITY2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCMTMS/S_GNT_ACTIVITY ASSIGNING </SCMTMS/S_GNT_ACTIVITY>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCMTMS/S_GNT_ACTIVITY>-UUID = 1.
</SCMTMS/S_GNT_ACTIVITY>-SUCC = 1.
</SCMTMS/S_GNT_ACTIVITY>-STOP_FR = 1.
</SCMTMS/S_GNT_ACTIVITY>-STOP_TO = 1.
</SCMTMS/S_GNT_ACTIVITY>-TYPE = 1.

ENDLOOP.

LOOP AT IT_/SCMTMS/S_GNT_ACTIVITY INTO WA_/SCMTMS/S_GNT_ACTIVITY.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCMTMS/S_GNT_ACTIVITY-TOOLTIP, sy-vline,
  WA_/SCMTMS/S_GNT_ACTIVITY-MAIN_RESOURCE, sy-vline,
  WA_/SCMTMS/S_GNT_ACTIVITY-RESOURCE, sy-vline,
  WA_/SCMTMS/S_GNT_ACTIVITY-START_DATE, sy-vline,
  WA_/SCMTMS/S_GNT_ACTIVITY-END_DATE, sy-vline,
  WA_/SCMTMS/S_GNT_ACTIVITY-MAIN_ORDER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCMTMS/S_GNT_ACTIVITY 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_/SCMTMS/S_GNT_ACTIVITY 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_/SCMTMS/S_GNT_ACTIVITY INTO WA_/SCMTMS/S_GNT_ACTIVITY.


*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 TOR_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_GNT_ACTIVITY-TOR_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_GNT_ACTIVITY-TOR_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field STOP_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCMTMS/S_GNT_ACTIVITY-STOP_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCMTMS/S_GNT_ACTIVITY-STOP_ID.
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_/SCMTMS/S_GNT_ACTIVITY_STR, 
UUID TYPE STRING,
SUCC TYPE STRING,
STOP_FR TYPE STRING,
STOP_TO TYPE STRING,
TYPE TYPE STRING,
TOOLTIP TYPE STRING,
MAIN_RESOURCE TYPE STRING,
RESOURCE TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
MAIN_ORDER TYPE STRING,
ORDER TYPE STRING,
UTIL_VOLUME TYPE STRING,
UTIL_MASS TYPE STRING,
UTIL_DIMLESS TYPE STRING,
START_LOC_ID TYPE STRING,
END_LOC_ID TYPE STRING,
STATUS TYPE STRING,
STATUS_TEXT TYPE STRING,
FIX TYPE STRING,
HANDLING_RESOURCE TYPE STRING,
HANDLING_CONSUMPTION TYPE STRING,
TOR_ID TYPE STRING,
STOP_ID TYPE STRING,
STOP_FR_DESCR TYPE STRING,
STOP_FR_COUNTRY TYPE STRING,
STOP_FR_REGION TYPE STRING,
STOP_FR_CITY TYPE STRING,
STOP_FR_CODE TYPE STRING,
STOP_FR_STREET TYPE STRING,
STOP_FR_HOUSE_NUMBER TYPE STRING,
STOP_FR_LOCTYPE TYPE STRING,
STOP_FR_UNLOCODE TYPE STRING,
STOP_FR_IATACODE TYPE STRING,
STOP_FR_TZONE TYPE STRING,
STOP_FR_ACC_START TYPE STRING,
STOP_FR_REQ_START TYPE STRING,
STOP_FR_REQ_END TYPE STRING,
STOP_FR_ACC_END TYPE STRING,
STOP_TO_DESCR TYPE STRING,
STOP_TO_COUNTRY TYPE STRING,
STOP_TO_REGION TYPE STRING,
STOP_TO_CITY TYPE STRING,
STOP_TO_CODE TYPE STRING,
STOP_TO_STREET TYPE STRING,
STOP_TO_HOUSE_NUMBER TYPE STRING,
STOP_TO_LOCTYPE TYPE STRING,
STOP_TO_UNLOCODE TYPE STRING,
STOP_TO_IATACODE TYPE STRING,
STOP_TO_TZONE TYPE STRING,
STOP_TO_ACC_START TYPE STRING,
STOP_TO_REQ_START TYPE STRING,
STOP_TO_REQ_END TYPE STRING,
STOP_TO_ACC_END TYPE STRING,
DURATION_UI_GNT TYPE STRING,
DISTANCE_UI_GNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCMTMS/S_GNT_ACTIVITY_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_/SCMTMS/S_GNT_ACTIVITY_STR-UUID sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-SUCC sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-TYPE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-TOOLTIP sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-MAIN_RESOURCE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-RESOURCE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-START_DATE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-END_DATE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-MAIN_ORDER sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-ORDER sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-UTIL_VOLUME sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-UTIL_MASS sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-UTIL_DIMLESS sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-START_LOC_ID sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-END_LOC_ID sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STATUS sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STATUS_TEXT sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-FIX sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-HANDLING_RESOURCE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-HANDLING_CONSUMPTION sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-TOR_ID sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_ID sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_DESCR sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_COUNTRY sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_REGION sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_CITY sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_CODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_STREET sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_HOUSE_NUMBER sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_LOCTYPE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_UNLOCODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_IATACODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_TZONE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_ACC_START sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_REQ_START sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_REQ_END sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_FR_ACC_END sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_DESCR sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_COUNTRY sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_REGION sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_CITY sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_CODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_STREET sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_HOUSE_NUMBER sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_LOCTYPE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_UNLOCODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_IATACODE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_TZONE sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_ACC_START sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_REQ_START sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_REQ_END sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-STOP_TO_ACC_END sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-DURATION_UI_GNT sy-vline 
WA_/SCMTMS/S_GNT_ACTIVITY_STR-DISTANCE_UI_GNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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