ABAP Select data from SAP table /SCWM/S_ODATA_HUITM 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_ODATA_HUITM 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_ODATA_HUITM. 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_ODATA_HUITM 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_ODATA_HUITM TYPE STANDARD TABLE OF /SCWM/S_ODATA_HUITM,
      WA_/SCWM/S_ODATA_HUITM TYPE /SCWM/S_ODATA_HUITM,
      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_ODATA_HUITM> TYPE /SCWM/S_ODATA_HUITM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_ODATA_HUITM
*  INTO TABLE @DATA(IT_/SCWM/S_ODATA_HUITM2).
*--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_ODATA_HUITM INDEX 1 INTO DATA(WA_/SCWM/S_ODATA_HUITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_ODATA_HUITM>-GUID_STOCK = 1.
</SCWM/S_ODATA_HUITM>-MEINS = 1.
</SCWM/S_ODATA_HUITM>-ALTME = 1.
</SCWM/S_ODATA_HUITM>-ITMID = 1.
</SCWM/S_ODATA_HUITM>-DOCID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_ODATA_HUITM-DOCNO, sy-vline,
  WA_/SCWM/S_ODATA_HUITM-LGNUM, sy-vline,
  WA_/SCWM/S_ODATA_HUITM-SOURCE_ID, sy-vline,
  WA_/SCWM/S_ODATA_HUITM-SOURCE_TYPE, sy-vline,
  WA_/SCWM/S_ODATA_HUITM-BATCH, sy-vline,
  WA_/SCWM/S_ODATA_HUITM-SN_STOCK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_ODATA_HUITM 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_ODATA_HUITM 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_ODATA_HUITM INTO WA_/SCWM/S_ODATA_HUITM.


*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 MEINS
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ODATA_HUITM-MEINS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ODATA_HUITM-MEINS.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit EAN11, internal->external for field EAN11
CALL FUNCTION 'CONVERSION_EXIT_EAN11_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ODATA_HUITM-EAN11
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ODATA_HUITM-EAN11.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field UNIT_V
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_ODATA_HUITM-UNIT_V
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_ODATA_HUITM-UNIT_V.
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_ODATA_HUITM_STR, 
GUID_STOCK TYPE STRING,
MEINS TYPE STRING,
ALTME TYPE STRING,
ITMID TYPE STRING,
DOCID TYPE STRING,
DOCNO TYPE STRING,
LGNUM TYPE STRING,
SOURCE_ID TYPE STRING,
SOURCE_TYPE TYPE STRING,
BATCH TYPE STRING,
SN_STOCK TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
WORKSTATION TYPE STRING,
BIN TYPE STRING,
QUAN TYPE STRING,
QUANA TYPE STRING,
HANDLING_INSTR TYPE STRING,
EAN11 TYPE STRING,
PIC_URL TYPE STRING,
PRD_WEIGHT TYPE STRING,
PRD_WUOM TYPE STRING,
SNLIST TYPE STRING,
IUIDLIST TYPE STRING,
DSTGRP TYPE STRING,
QTY_REDUCED TYPE STRING,
GUID_PARENT TYPE STRING,
IS_SPLIT TYPE STRING,
STOCK_TYPE TYPE STRING,
STOCK_TYPE_TXT TYPE STRING,
WEIGHT TYPE STRING,
UNIT_W TYPE STRING,
VOLUM TYPE STRING,
UNIT_V TYPE STRING,
DOCCAT TYPE STRING,
IUID_ACTIVE TYPE STRING,
STOCK_ITMNO TYPE STRING,
STOCK_DOCNO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_ODATA_HUITM_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_ODATA_HUITM_STR-GUID_STOCK sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-MEINS sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-ALTME sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-ITMID sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-DOCID sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-DOCNO sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-LGNUM sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-SOURCE_ID sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-SOURCE_TYPE sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-BATCH sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-SN_STOCK sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-MATNR sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-MAKTX sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-WORKSTATION sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-BIN sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-QUAN sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-QUANA sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-HANDLING_INSTR sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-EAN11 sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-PIC_URL sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-PRD_WEIGHT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-PRD_WUOM sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-SNLIST sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-IUIDLIST sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-DSTGRP sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-QTY_REDUCED sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-GUID_PARENT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-IS_SPLIT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-STOCK_TYPE sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-STOCK_TYPE_TXT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-WEIGHT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-UNIT_W sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-VOLUM sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-UNIT_V sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-DOCCAT sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-IUID_ACTIVE sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_ODATA_HUITM_STR-STOCK_DOCNO sy-vline      INTO ld_text SEPARATED BY SPACE.

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