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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_PRODWH_ATT_C
*  INTO TABLE @DATA(IT_/SCWM/S_PRODWH_ATT_C2).
*--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_PRODWH_ATT_C INDEX 1 INTO DATA(WA_/SCWM/S_PRODWH_ATT_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_PRODWH_ATT_C>-PROCPRFL = 1.
</SCWM/S_PRODWH_ATT_C>-PTDETIND = 1.
</SCWM/S_PRODWH_ATT_C>-WRKLDGR = 1.
</SCWM/S_PRODWH_ATT_C>-DRDETGR = 1.
</SCWM/S_PRODWH_ATT_C>-VASVCP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_PRODWH_ATT_C-SLRQ_MIN, sy-vline,
  WA_/SCWM/S_PRODWH_ATT_C-PUT_STRA, sy-vline,
  WA_/SCWM/S_PRODWH_ATT_C-PUT_STRA_FIX, sy-vline,
  WA_/SCWM/S_PRODWH_ATT_C-PUT_STRA_PLAN, sy-vline,
  WA_/SCWM/S_PRODWH_ATT_C-LGBKZ, sy-vline,
  WA_/SCWM/S_PRODWH_ATT_C-LPTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_PRODWH_ATT_C 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_PRODWH_ATT_C 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_PRODWH_ATT_C INTO WA_/SCWM/S_PRODWH_ATT_C.


*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_PRODWH_ATT_C_STR, 
PROCPRFL TYPE STRING,
PTDETIND TYPE STRING,
WRKLDGR TYPE STRING,
DRDETGR TYPE STRING,
VASVCP TYPE STRING,
SLRQ_MIN TYPE STRING,
PUT_STRA TYPE STRING,
PUT_STRA_FIX TYPE STRING,
PUT_STRA_PLAN TYPE STRING,
LGBKZ TYPE STRING,
LPTYP TYPE STRING,
BLOCK TYPE STRING,
REM_STRA TYPE STRING,
REM_STRA_FIX TYPE STRING,
REM_STRA_PLAN TYPE STRING,
STCKDETGR TYPE STRING,
L2SKR TYPE STRING,
DEMQTY TYPE STRING,
DEMQTY_FIX TYPE STRING,
NOSOI TYPE STRING,
NOSOI_FIX TYPE STRING,
RSQTY TYPE STRING,
RSQTY_FIX TYPE STRING,
DEMTYP TYPE STRING,
CONCSTAT TYPE STRING,
LASTSLOT TYPE STRING,
WGHTIND TYPE STRING,
WGHTIND_FIX TYPE STRING,
VOLIND TYPE STRING,
VOLIND_FIX TYPE STRING,
LGTHIND TYPE STRING,
LGTHIND_FIX TYPE STRING,
WDTHIND TYPE STRING,
WDTHIND_FIX TYPE STRING,
HGHTIND TYPE STRING,
HGHTIND_FIX TYPE STRING,
CCIND TYPE STRING,
CCIND_FIX TYPE STRING,
DOCBATCH TYPE STRING,
BACKFLUSH_PROD TYPE STRING,
KIT_FIXED_QUAN TYPE STRING,
MEDI_APROF_WH TYPE STRING,
QUANCLA_MERCH TYPE STRING,
PUOM_WH TYPE STRING,
KZZUL TYPE STRING,
RATIODIM TYPE STRING,
QGRP_WH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_PRODWH_ATT_C_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_PRODWH_ATT_C_STR-PROCPRFL sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-PTDETIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-WRKLDGR sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-DRDETGR sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-VASVCP sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-SLRQ_MIN sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-PUT_STRA sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-PUT_STRA_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-PUT_STRA_PLAN sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-LGBKZ sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-LPTYP sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-BLOCK sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-REM_STRA sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-REM_STRA_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-REM_STRA_PLAN sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-STCKDETGR sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-L2SKR sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-DEMQTY sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-DEMQTY_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-NOSOI sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-NOSOI_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-RSQTY sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-RSQTY_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-DEMTYP sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-CONCSTAT sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-LASTSLOT sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-WGHTIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-WGHTIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-VOLIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-VOLIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-LGTHIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-LGTHIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-WDTHIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-WDTHIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-HGHTIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-HGHTIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-CCIND sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-CCIND_FIX sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-DOCBATCH sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-BACKFLUSH_PROD sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-KIT_FIXED_QUAN sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-MEDI_APROF_WH sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-QUANCLA_MERCH sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-PUOM_WH sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-KZZUL sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-RATIODIM sy-vline 
WA_/SCWM/S_PRODWH_ATT_C_STR-QGRP_WH sy-vline      INTO ld_text SEPARATED BY SPACE.

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