ABAP Select data from SAP table /SCWM/S_ELS_UP_FRML into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_ELS_UP_FRML
*  INTO TABLE @DATA(IT_/SCWM/S_ELS_UP_FRML2).
*--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_/SCWM/S_ELS_UP_FRML INDEX 1 INTO DATA(WA_/SCWM/S_ELS_UP_FRML2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_ELS_UP_FRML>-MANDT = 1.
</SCWM/S_ELS_UP_FRML>-LGNUM = 1.
</SCWM/S_ELS_UP_FRML>-PROCS = 1.
</SCWM/S_ELS_UP_FRML>-FORMULA = 1.
</SCWM/S_ELS_UP_FRML>-FORMULA_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_ELS_UP_FRML-FORMULA_ID, sy-vline,
  WA_/SCWM/S_ELS_UP_FRML-VALID, sy-vline,
  WA_/SCWM/S_ELS_UP_FRML-WGT_UOM, sy-vline,
  WA_/SCWM/S_ELS_UP_FRML-VOL_UOM, sy-vline,
  WA_/SCWM/S_ELS_UP_FRML-DIST_UOM, sy-vline,
  WA_/SCWM/S_ELS_UP_FRML-TIME_UOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_ELS_UP_FRML 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_/SCWM/S_ELS_UP_FRML 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_/SCWM/S_ELS_UP_FRML INTO WA_/SCWM/S_ELS_UP_FRML.


*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 CUNIT, internal->external for field WGT_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ELS_UP_FRML-WGT_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ELS_UP_FRML-WGT_UOM.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ELS_UP_FRML-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ELS_UP_FRML-LANGU.
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_/SCWM/S_ELS_UP_FRML_STR, 
MANDT TYPE STRING,
LGNUM TYPE STRING,
PROCS TYPE STRING,
FORMULA TYPE STRING,
FORMULA_TYPE TYPE STRING,
FORMULA_ID TYPE STRING,
VALID TYPE STRING,
WGT_UOM TYPE STRING,
VOL_UOM TYPE STRING,
DIST_UOM TYPE STRING,
TIME_UOM TYPE STRING,
TRANS_REQ_FLG TYPE STRING,
LANGU TYPE STRING,
FORMULA_TXT TYPE STRING,
FORMULA_ELEMENT TYPE STRING,
MSGLI TYPE STRING,
MSGID TYPE STRING,
MSGTY TYPE STRING,
MSGNO TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_ELS_UP_FRML_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_/SCWM/S_ELS_UP_FRML_STR-MANDT sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-LGNUM sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-PROCS sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-FORMULA sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-FORMULA_TYPE sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-FORMULA_ID sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-VALID sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-WGT_UOM sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-VOL_UOM sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-DIST_UOM sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-TIME_UOM sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-TRANS_REQ_FLG sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-LANGU sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-FORMULA_TXT sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-FORMULA_ELEMENT sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGLI sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGID sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGTY sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGNO sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGV1 sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGV2 sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGV3 sy-vline 
WA_/SCWM/S_ELS_UP_FRML_STR-MSGV4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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