ABAP Select data from SAP table RETAIL_ST_TS_TRF_DETAILS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RETAIL_ST_TS_TRF_DETAILS
*  INTO TABLE @DATA(IT_RETAIL_ST_TS_TRF_DETAILS2).
*--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_RETAIL_ST_TS_TRF_DETAILS INDEX 1 INTO DATA(WA_RETAIL_ST_TS_TRF_DETAILS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RETAIL_ST_TS_TRF_DETAILS>-DOC_GUID = 1.
<RETAIL_ST_TS_TRF_DETAILS>-MATNR = 1.
<RETAIL_ST_TS_TRF_DETAILS>-DESCRIPTION = 1.
<RETAIL_ST_TS_TRF_DETAILS>-BASE_UOM = 1.
<RETAIL_ST_TS_TRF_DETAILS>-TRF_QUANTITY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RETAIL_ST_TS_TRF_DETAILS-STOCK_QUANTITY, sy-vline,
  WA_RETAIL_ST_TS_TRF_DETAILS-SALES_PRICE, sy-vline,
  WA_RETAIL_ST_TS_TRF_DETAILS-SALES_PRICE_CUR, sy-vline,
  WA_RETAIL_ST_TS_TRF_DETAILS-SALES_PRICE_PRECISION, sy-vline,
  WA_RETAIL_ST_TS_TRF_DETAILS-BASE_UOM_DESC, sy-vline,
  WA_RETAIL_ST_TS_TRF_DETAILS-TRF_QTY_PRECISION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RETAIL_ST_TS_TRF_DETAILS 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_RETAIL_ST_TS_TRF_DETAILS 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_RETAIL_ST_TS_TRF_DETAILS INTO WA_RETAIL_ST_TS_TRF_DETAILS.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_RETAIL_ST_TS_TRF_DETAILS-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RETAIL_ST_TS_TRF_DETAILS-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RETAIL_ST_TS_TRF_DETAILS-BASE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RETAIL_ST_TS_TRF_DETAILS-BASE_UOM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_RETAIL_ST_TS_TRF_DETAILS-UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RETAIL_ST_TS_TRF_DETAILS-UOM.
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_RETAIL_ST_TS_TRF_DETAILS_STR, 
DOC_GUID TYPE STRING,
MATNR TYPE STRING,
DESCRIPTION TYPE STRING,
BASE_UOM TYPE STRING,
TRF_QUANTITY TYPE STRING,
STOCK_QUANTITY TYPE STRING,
SALES_PRICE TYPE STRING,
SALES_PRICE_CUR TYPE STRING,
SALES_PRICE_PRECISION TYPE STRING,
BASE_UOM_DESC TYPE STRING,
TRF_QTY_PRECISION TYPE STRING,
STOCK_PRECISION TYPE STRING,
LAST_UPDATE_TIME TYPE STRING,
CONVERSION_RULES TYPE STRING,
IS_LISTED_IN_RECEIVING_SITE TYPE STRING,
THUMBNAIL_URL TYPE STRING,
LARGE_IMG_URL TYPE STRING,
UOM TYPE STRING,
UOM_DESC TYPE STRING,
DUMMY_TRANSFERDETAILS_INCL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RETAIL_ST_TS_TRF_DETAILS_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_RETAIL_ST_TS_TRF_DETAILS_STR-DOC_GUID sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-MATNR sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-DESCRIPTION sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-BASE_UOM sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-TRF_QUANTITY sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-STOCK_QUANTITY sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-SALES_PRICE sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-SALES_PRICE_CUR sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-SALES_PRICE_PRECISION sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-BASE_UOM_DESC sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-TRF_QTY_PRECISION sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-STOCK_PRECISION sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-LAST_UPDATE_TIME sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-CONVERSION_RULES sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-IS_LISTED_IN_RECEIVING_SITE sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-THUMBNAIL_URL sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-LARGE_IMG_URL sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-UOM sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-UOM_DESC sy-vline 
WA_RETAIL_ST_TS_TRF_DETAILS_STR-DUMMY_TRANSFERDETAILS_INCL sy-vline      INTO ld_text SEPARATED BY SPACE.

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