ABAP Select data from SAP table /SCWM/RSRC into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCWM/RSRC 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/RSRC. 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/RSRC 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/RSRC TYPE STANDARD TABLE OF /SCWM/RSRC,
      WA_/SCWM/RSRC TYPE /SCWM/RSRC,
      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/RSRC> TYPE /SCWM/RSRC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/RSRC
*  INTO TABLE @DATA(IT_/SCWM/RSRC2).
*--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/RSRC INDEX 1 INTO DATA(WA_/SCWM/RSRC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/RSRC>-MANDT = 1.
</SCWM/RSRC>-LGNUM = 1.
</SCWM/RSRC>-RSRC = 1.
</SCWM/RSRC>-RSRC_TYPE = 1.
</SCWM/RSRC>-RSRC_GRP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/RSRC-DEF_PRDVC, sy-vline,
  WA_/SCWM/RSRC-UNAME, sy-vline,
  WA_/SCWM/RSRC-RFIND, sy-vline,
  WA_/SCWM/RSRC-GUID_LOC, sy-vline,
  WA_/SCWM/RSRC-GUID_HU, sy-vline,
  WA_/SCWM/RSRC-QUEUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/RSRC 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/RSRC 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/RSRC INTO WA_/SCWM/RSRC.


*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 TSTWH, internal->external for field EXCCODE_USER_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTWH_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/RSRC-EXCCODE_USER_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/RSRC-EXCCODE_USER_AT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTWH, internal->external for field EXCCODE_PLC_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTWH_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/RSRC-EXCCODE_PLC_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/RSRC-EXCCODE_PLC_AT.
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/RSRC_STR, 
MANDT TYPE STRING,
LGNUM TYPE STRING,
RSRC TYPE STRING,
RSRC_TYPE TYPE STRING,
RSRC_GRP TYPE STRING,
DEF_PRDVC TYPE STRING,
UNAME TYPE STRING,
RFIND TYPE STRING,
GUID_LOC TYPE STRING,
GUID_HU TYPE STRING,
QUEUE TYPE STRING,
ACT_QUEUE TYPE STRING,
LGTYP TYPE STRING,
ACTUAL_BIN TYPE STRING,
DEFAULT_BIN TYPE STRING,
CUR_PRDVC TYPE STRING,
APPLIC TYPE STRING,
LTRANS TYPE STRING,
LTRANSCHG_AT TYPE STRING,
COORD_VALID TYPE STRING,
EXCCODE_OVERALL TYPE STRING,
IPRCODE_OVERALL TYPE STRING,
ERRQUAN_OVERALL TYPE STRING,
EXCCODE_USER TYPE STRING,
EXCCODE_USER_BY TYPE STRING,
EXCCODE_USER_AT TYPE STRING,
EXCCODE_PLC TYPE STRING,
EXCCODE_PLC_AT TYPE STRING,
MFSACTTEL TYPE STRING,
MFS_QUEUE TYPE STRING,
MFS_ERR_DEST TYPE STRING,
SEMI_QUEUE TYPE STRING,
SEMI_LGPLA TYPE STRING,
SEMI_QUEUE_CHG TYPE STRING,
REC_GRP TYPE STRING,
GRP_LEAVE_TIME TYPE STRING,
ACT_XCOORD TYPE STRING,
ACT_YCOORD TYPE STRING,
CURR_ACT_TYPE TYPE STRING,
RECGRP_ENTRYTIME TYPE STRING,
WORK_IN_RECGRP TYPE STRING,
RECACTIVE TYPE STRING,
RSRC_PRINT TYPE STRING,
PERF_MEAS TYPE STRING,
TERMINAL TYPE STRING,
PREV_ACTUAL_BIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/RSRC_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/RSRC_STR-MANDT sy-vline 
WA_/SCWM/RSRC_STR-LGNUM sy-vline 
WA_/SCWM/RSRC_STR-RSRC sy-vline 
WA_/SCWM/RSRC_STR-RSRC_TYPE sy-vline 
WA_/SCWM/RSRC_STR-RSRC_GRP sy-vline 
WA_/SCWM/RSRC_STR-DEF_PRDVC sy-vline 
WA_/SCWM/RSRC_STR-UNAME sy-vline 
WA_/SCWM/RSRC_STR-RFIND sy-vline 
WA_/SCWM/RSRC_STR-GUID_LOC sy-vline 
WA_/SCWM/RSRC_STR-GUID_HU sy-vline 
WA_/SCWM/RSRC_STR-QUEUE sy-vline 
WA_/SCWM/RSRC_STR-ACT_QUEUE sy-vline 
WA_/SCWM/RSRC_STR-LGTYP sy-vline 
WA_/SCWM/RSRC_STR-ACTUAL_BIN sy-vline 
WA_/SCWM/RSRC_STR-DEFAULT_BIN sy-vline 
WA_/SCWM/RSRC_STR-CUR_PRDVC sy-vline 
WA_/SCWM/RSRC_STR-APPLIC sy-vline 
WA_/SCWM/RSRC_STR-LTRANS sy-vline 
WA_/SCWM/RSRC_STR-LTRANSCHG_AT sy-vline 
WA_/SCWM/RSRC_STR-COORD_VALID sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_OVERALL sy-vline 
WA_/SCWM/RSRC_STR-IPRCODE_OVERALL sy-vline 
WA_/SCWM/RSRC_STR-ERRQUAN_OVERALL sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_USER sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_USER_BY sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_USER_AT sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_PLC sy-vline 
WA_/SCWM/RSRC_STR-EXCCODE_PLC_AT sy-vline 
WA_/SCWM/RSRC_STR-MFSACTTEL sy-vline 
WA_/SCWM/RSRC_STR-MFS_QUEUE sy-vline 
WA_/SCWM/RSRC_STR-MFS_ERR_DEST sy-vline 
WA_/SCWM/RSRC_STR-SEMI_QUEUE sy-vline 
WA_/SCWM/RSRC_STR-SEMI_LGPLA sy-vline 
WA_/SCWM/RSRC_STR-SEMI_QUEUE_CHG sy-vline 
WA_/SCWM/RSRC_STR-REC_GRP sy-vline 
WA_/SCWM/RSRC_STR-GRP_LEAVE_TIME sy-vline 
WA_/SCWM/RSRC_STR-ACT_XCOORD sy-vline 
WA_/SCWM/RSRC_STR-ACT_YCOORD sy-vline 
WA_/SCWM/RSRC_STR-CURR_ACT_TYPE sy-vline 
WA_/SCWM/RSRC_STR-RECGRP_ENTRYTIME sy-vline 
WA_/SCWM/RSRC_STR-WORK_IN_RECGRP sy-vline 
WA_/SCWM/RSRC_STR-RECACTIVE sy-vline 
WA_/SCWM/RSRC_STR-RSRC_PRINT sy-vline 
WA_/SCWM/RSRC_STR-PERF_MEAS sy-vline 
WA_/SCWM/RSRC_STR-TERMINAL sy-vline 
WA_/SCWM/RSRC_STR-PREV_ACTUAL_BIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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