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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_RF_MFG_CON_RVS_SCR_DAT
*  INTO TABLE @DATA(IT_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT2).
*--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_RF_MFG_CON_RVS_SCR_DAT INDEX 1 INTO DATA(WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_RF_MFG_CON_RVS_SCR_DAT>-PROD_ORDER = 1.
</SCWM/S_RF_MFG_CON_RVS_SCR_DAT>-MAIN_PRODUCT = 1.
</SCWM/S_RF_MFG_CON_RVS_SCR_DAT>-MAIN_PRODUCT_DESCR = 1.
</SCWM/S_RF_MFG_CON_RVS_SCR_DAT>-HU_EAN = 1.
</SCWM/S_RF_MFG_CON_RVS_SCR_DAT>-MATNR_EAN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-MAKTX, sy-vline,
  WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-BATCH, sy-vline,
  WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-SLED, sy-vline,
  WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-BRESTR, sy-vline,
  WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY, sy-vline,
  WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY_SAV, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT 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_RF_MFG_CON_RVS_SCR_DAT 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_RF_MFG_CON_RVS_SCR_DAT INTO WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT.


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

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

*Conversion exit RFBA, internal->external for field BATCH
CALL FUNCTION 'CONVERSION_EXIT_RFBA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-BATCH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-BATCH.
WRITE:/ 'New Value:', ld_input.

*Conversion exit QTYCH, internal->external for field REVERSE_QTY
CALL FUNCTION 'CONVERSION_EXIT_QTYCH_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY.
WRITE:/ 'New Value:', ld_input.

*Conversion exit QNTY1, internal->external for field REVERSE_QTY_SAV
CALL FUNCTION 'CONVERSION_EXIT_QNTY1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY_SAV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-REVERSE_QTY_SAV.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit QNTY1, internal->external for field CONSUMED_QTY
CALL FUNCTION 'CONVERSION_EXIT_QNTY1_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-CONSUMED_QTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-CONSUMED_QTY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT-OWNER.
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_RF_MFG_CON_RVS_SCR_DAT_STR, 
PROD_ORDER TYPE STRING,
MAIN_PRODUCT TYPE STRING,
MAIN_PRODUCT_DESCR TYPE STRING,
HU_EAN TYPE STRING,
MATNR_EAN TYPE STRING,
MAKTX TYPE STRING,
BATCH TYPE STRING,
SLED TYPE STRING,
BRESTR TYPE STRING,
REVERSE_QTY TYPE STRING,
REVERSE_QTY_SAV TYPE STRING,
REVERSE_UOM TYPE STRING,
LGPLA TYPE STRING,
CONSUMED_QTY TYPE STRING,
CONSUMED_UOM TYPE STRING,
VORNR TYPE STRING,
RSPOS TYPE STRING,
STOCK_CATEGORY TYPE STRING,
OWNER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_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_RF_MFG_CON_RVS_SCR_DAT_STR-PROD_ORDER sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-MAIN_PRODUCT sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-MAIN_PRODUCT_DESCR sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-HU_EAN sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-MATNR_EAN sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-MAKTX sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-BATCH sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-SLED sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-BRESTR sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-REVERSE_QTY sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-REVERSE_QTY_SAV sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-REVERSE_UOM sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-LGPLA sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-CONSUMED_QTY sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-CONSUMED_UOM sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-VORNR sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-RSPOS sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-STOCK_CATEGORY sy-vline 
WA_/SCWM/S_RF_MFG_CON_RVS_SCR_DAT_STR-OWNER sy-vline      INTO ld_text SEPARATED BY SPACE.

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