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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_MQ_WM_CONFIRMATION_STR
*  INTO TABLE @DATA(IT_/SCWM/S_MQ_WM_CONFIRMATION_STR2).
*--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_MQ_WM_CONFIRMATION_STR INDEX 1 INTO DATA(WA_/SCWM/S_MQ_WM_CONFIRMATION_STR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_MQ_WM_CONFIRMATION_STR>-KEY_PRD_DOCCAT = 1.
</SCWM/S_MQ_WM_CONFIRMATION_STR>-KEY_PRD_DOCID = 1.
</SCWM/S_MQ_WM_CONFIRMATION_STR>-KEY_PRD_ITEMID = 1.
</SCWM/S_MQ_WM_CONFIRMATION_STR>-KEY_TO_DOCCAT = 1.
</SCWM/S_MQ_WM_CONFIRMATION_STR>-KEY_TO_DOCID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-KEY_TO_ITEMID, sy-vline,
  WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-KEY_TO_DOCNO, sy-vline,
  WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-KEY_TO_ITEMNO, sy-vline,
  WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-KEY_TO_BSKEY, sy-vline,
  WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-QTY_QTY, sy-vline,
  WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-QTY_UOM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_MQ_WM_CONFIRMATION_STR 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_MQ_WM_CONFIRMATION_STR 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_MQ_WM_CONFIRMATION_STR INTO WA_/SCWM/S_MQ_WM_CONFIRMATION_STR.


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

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

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

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

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

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

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

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

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

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

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

*Conversion exit CUNIT, internal->external for field CWUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-CWUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_MQ_WM_CONFIRMATION_STR-CWUNIT.
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_MQ_WM_CONFIRMATION_STR_STR, 
KEY_PRD_DOCCAT TYPE STRING,
KEY_PRD_DOCID TYPE STRING,
KEY_PRD_ITEMID TYPE STRING,
KEY_TO_DOCCAT TYPE STRING,
KEY_TO_DOCID TYPE STRING,
KEY_TO_ITEMID TYPE STRING,
KEY_TO_DOCNO TYPE STRING,
KEY_TO_ITEMNO TYPE STRING,
KEY_TO_BSKEY TYPE STRING,
QTY_QTY TYPE STRING,
QTY_UOM TYPE STRING,
QTY_ADJUST TYPE STRING,
QTY_ADJUST_PRCODE TYPE STRING,
HIERARCHY_TYPE TYPE STRING,
TO_IS_CROSS_HU TYPE STRING,
RECOVERY_GUID TYPE STRING,
BATCHNO TYPE STRING,
/SCWM/STAGAREA TYPE STRING,
/SCWM/STAGARBIN TYPE STRING,
/SCWM/STAGAREAGR TYPE STRING,
/SCWM/STAGAR_IND TYPE STRING,
/SCWM/CNFMOD TYPE STRING,
TZONEPD TYPE STRING,
TSTFRPD TYPE STRING,
TSTTOPD TYPE STRING,
TZONEBB TYPE STRING,
TSTFRBB TYPE STRING,
TSTTOBB TYPE STRING,
TZONESE TYPE STRING,
TSTFRSE TYPE STRING,
TSTTOSE TYPE STRING,
PACKSPEC TYPE STRING,
PACKSPECNO TYPE STRING,
OCOUNTRY TYPE STRING,
PRODMD_CHANGENO TYPE STRING,
BATCHNO_IND TYPE STRING,
STOCK_CATEGORY TYPE STRING,
TO_STOCK_CATEGORY TYPE STRING,
SUOM TYPE STRING,
IDPLATE TYPE STRING,
IDPLATE_IS_TEMPORARY TYPE STRING,
CWQUAN TYPE STRING,
CWUNIT TYPE STRING,
CWQUAN_REP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_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_MQ_WM_CONFIRMATION_STR_STR-KEY_PRD_DOCCAT sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_PRD_DOCID sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_PRD_ITEMID sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_DOCCAT sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_DOCID sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_ITEMID sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_DOCNO sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_ITEMNO sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-KEY_TO_BSKEY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-QTY_QTY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-QTY_UOM sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-QTY_ADJUST sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-QTY_ADJUST_PRCODE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-HIERARCHY_TYPE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TO_IS_CROSS_HU sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-RECOVERY_GUID sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-BATCHNO sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-/SCWM/STAGAREA sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-/SCWM/STAGARBIN sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-/SCWM/STAGAREAGR sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-/SCWM/STAGAR_IND sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-/SCWM/CNFMOD sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TZONEPD sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTFRPD sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTTOPD sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TZONEBB sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTFRBB sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTTOBB sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TZONESE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTFRSE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TSTTOSE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-PACKSPEC sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-PACKSPECNO sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-OCOUNTRY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-PRODMD_CHANGENO sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-BATCHNO_IND sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-STOCK_CATEGORY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-TO_STOCK_CATEGORY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-SUOM sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-IDPLATE sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-IDPLATE_IS_TEMPORARY sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-CWQUAN sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-CWUNIT sy-vline 
WA_/SCWM/S_MQ_WM_CONFIRMATION_STR_STR-CWQUAN_REP sy-vline      INTO ld_text SEPARATED BY SPACE.

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