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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_MFG_OVERVIEW_HUIP_MON
*  INTO TABLE @DATA(IT_/SCWM/S_MFG_OVERVIEW_HUIP_MON2).
*--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_MFG_OVERVIEW_HUIP_MON INDEX 1 INTO DATA(WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_MFG_OVERVIEW_HUIP_MON>-MFG_ORDER = 1.
</SCWM/S_MFG_OVERVIEW_HUIP_MON>-PRODUCT = 1.
</SCWM/S_MFG_OVERVIEW_HUIP_MON>-PRODUCT_TXT = 1.
</SCWM/S_MFG_OVERVIEW_HUIP_MON>-LGNUM = 1.
</SCWM/S_MFG_OVERVIEW_HUIP_MON>-HUIDENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-GUID_HU, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-VHI, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-GMBIN, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-BATCH, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-ENTITLED, sy-vline,
  WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-LGTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON 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_MFG_OVERVIEW_HUIP_MON 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_MFG_OVERVIEW_HUIP_MON INTO WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON.


*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 MFG_ORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-MFG_ORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-MFG_ORDER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

*Conversion exit ALPH0, internal->external for field OPEN_WT
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-OPEN_WT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-OPEN_WT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PMAT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-PMAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON-PMAT.
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_MFG_OVERVIEW_HUIP_MON_STR, 
MFG_ORDER TYPE STRING,
PRODUCT TYPE STRING,
PRODUCT_TXT TYPE STRING,
LGNUM TYPE STRING,
HUIDENT TYPE STRING,
GUID_HU TYPE STRING,
VHI TYPE STRING,
GMBIN TYPE STRING,
BATCH TYPE STRING,
ENTITLED TYPE STRING,
LGTYP TYPE STRING,
LGBER TYPE STRING,
LGPLA TYPE STRING,
RSRC TYPE STRING,
BUOM TYPE STRING,
QTY_BUOM TYPE STRING,
AUOM TYPE STRING,
QTY_AUOM TYPE STRING,
DOCCAT TYPE STRING,
DOCID TYPE STRING,
DOCNO TYPE STRING,
OPEN_WT_EXISTS TYPE STRING,
OPEN_WT TYPE STRING,
PMAT TYPE STRING,
PMAT_TXT TYPE STRING,
PMTYP TYPE STRING,
LETYP TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_DATE TYPE STRING,
CREATED_TIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_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_MFG_OVERVIEW_HUIP_MON_STR-MFG_ORDER sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-PRODUCT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-PRODUCT_TXT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-LGNUM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-HUIDENT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-GUID_HU sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-VHI sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-GMBIN sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-BATCH sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-ENTITLED sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-LGTYP sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-LGBER sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-LGPLA sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-RSRC sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-BUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-QTY_BUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-AUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-QTY_AUOM sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-DOCCAT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-DOCID sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-DOCNO sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-OPEN_WT_EXISTS sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-OPEN_WT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-PMAT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-PMAT_TXT sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-PMTYP sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-LETYP sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-CREATED_BY sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-CREATED_DATE sy-vline 
WA_/SCWM/S_MFG_OVERVIEW_HUIP_MON_STR-CREATED_TIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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