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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_SP_A_HEAD_IM_DR
*  INTO TABLE @DATA(IT_/SCWM/S_SP_A_HEAD_IM_DR2).
*--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_SP_A_HEAD_IM_DR INDEX 1 INTO DATA(WA_/SCWM/S_SP_A_HEAD_IM_DR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_SP_A_HEAD_IM_DR>-DOCID = 1.
</SCWM/S_SP_A_HEAD_IM_DR>-CHANGEABLE_ICON = 1.
</SCWM/S_SP_A_HEAD_IM_DR>-ERROR_STATUS_ICON = 1.
</SCWM/S_SP_A_HEAD_IM_DR>-ACTIONCODE = 1.
</SCWM/S_SP_A_HEAD_IM_DR>-DOCNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_SP_A_HEAD_IM_DR-DOCTYPE, sy-vline,
  WA_/SCWM/S_SP_A_HEAD_IM_DR-DOCCAT, sy-vline,
  WA_/SCWM/S_SP_A_HEAD_IM_DR-TEXTIND, sy-vline,
  WA_/SCWM/S_SP_A_HEAD_IM_DR-BSKEY, sy-vline,
  WA_/SCWM/S_SP_A_HEAD_IM_DR-VERSION, sy-vline,
  WA_/SCWM/S_SP_A_HEAD_IM_DR-MANUAL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_SP_A_HEAD_IM_DR 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_SP_A_HEAD_IM_DR 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_SP_A_HEAD_IM_DR INTO WA_/SCWM/S_SP_A_HEAD_IM_DR.


*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.
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_SP_A_HEAD_IM_DR_STR, 
DOCID TYPE STRING,
CHANGEABLE_ICON TYPE STRING,
ERROR_STATUS_ICON TYPE STRING,
ACTIONCODE TYPE STRING,
DOCNO TYPE STRING,
DOCTYPE TYPE STRING,
DOCCAT TYPE STRING,
TEXTIND TYPE STRING,
BSKEY TYPE STRING,
VERSION TYPE STRING,
MANUAL TYPE STRING,
CHANGEABLE TYPE STRING,
DOCCAT_TXT TYPE STRING,
DOCTYPE_TXT TYPE STRING,
LGNUM TYPE STRING,
VERSION_UI TYPE STRING,
/SCWM/UNIT_SYST TYPE STRING,
/SCWM/CORRIND TYPE STRING,
/SCWM/PRODIND TYPE STRING,
/SCWM/COMMIND TYPE STRING,
/SCWM/LOG_PROCESS TYPE STRING,
/SCWM/TMIND TYPE STRING,
TW_STOP_ID TYPE STRING,
/SCWM/CUST_IND TYPE STRING,
/SCWM/NO_REFIND TYPE STRING,
/SCWM/SCRAPPIND TYPE STRING,
/SCWM/PICKUPIND TYPE STRING,
/SCWM/INV_GIIND TYPE STRING,
VKORG TYPE STRING,
/SCWM/LGLC_IND TYPE STRING,
CREDAT TYPE STRING,
CRETIM TYPE STRING,
CREUSR TYPE STRING,
CHGDAT TYPE STRING,
CHGTIM TYPE STRING,
CHGUSR TYPE STRING,
/SCDL/DR_HEAD TYPE STRING,
/STTPEC/DOC_YEAR TYPE STRING,
/STTPEC/DOC_GLN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_SP_A_HEAD_IM_DR_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_SP_A_HEAD_IM_DR_STR-DOCID sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CHANGEABLE_ICON sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-ERROR_STATUS_ICON sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-ACTIONCODE sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-DOCNO sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-DOCTYPE sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-DOCCAT sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-TEXTIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-BSKEY sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-VERSION sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-MANUAL sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CHANGEABLE sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-DOCCAT_TXT sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-DOCTYPE_TXT sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-LGNUM sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-VERSION_UI sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/UNIT_SYST sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/CORRIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/PRODIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/COMMIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/LOG_PROCESS sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/TMIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-TW_STOP_ID sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/CUST_IND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/NO_REFIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/SCRAPPIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/PICKUPIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/INV_GIIND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-VKORG sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCWM/LGLC_IND sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CREDAT sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CRETIM sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CREUSR sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CHGDAT sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CHGTIM sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-CHGUSR sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/SCDL/DR_HEAD sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/STTPEC/DOC_YEAR sy-vline 
WA_/SCWM/S_SP_A_HEAD_IM_DR_STR-/STTPEC/DOC_GLN sy-vline      INTO ld_text SEPARATED BY SPACE.

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