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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_GR_EGR
*  INTO TABLE @DATA(IT_/SCWM/S_GR_EGR2).
*--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_GR_EGR INDEX 1 INTO DATA(WA_/SCWM/S_GR_EGR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_GR_EGR>-DOCID = 1.
</SCWM/S_GR_EGR>-ITEMID = 1.
</SCWM/S_GR_EGR>-DOCNO = 1.
</SCWM/S_GR_EGR>-ITEMNO = 1.
</SCWM/S_GR_EGR>-REFPO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_GR_EGR-REFPOI, sy-vline,
  WA_/SCWM/S_GR_EGR-PRODORDER, sy-vline,
  WA_/SCWM/S_GR_EGR-PRODORDERI, sy-vline,
  WA_/SCWM/S_GR_EGR-XTOCOPY, sy-vline,
  WA_/SCWM/S_GR_EGR-ICON_COPIED, sy-vline,
  WA_/SCWM/S_GR_EGR-MATID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_GR_EGR 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_GR_EGR 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_GR_EGR INTO WA_/SCWM/S_GR_EGR.


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

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

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

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

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

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

*Conversion exit MDLPD, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_GR_EGR-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_GR_EGR-MATID.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit BPMAP, internal->external for field OWNER
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_GR_EGR-OWNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_GR_EGR-OWNER.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit BPMAP, internal->external for field VENDOR
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_GR_EGR-VENDOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_GR_EGR-VENDOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit BPMAP, internal->external for field SHIP_FROM
CALL FUNCTION 'CONVERSION_EXIT_BPMAP_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_GR_EGR-SHIP_FROM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_GR_EGR-SHIP_FROM.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field /SCWM/PSA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_GR_EGR-/SCWM/PSA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_GR_EGR-/SCWM/PSA.
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_GR_EGR_STR, 
DOCID TYPE STRING,
ITEMID TYPE STRING,
DOCNO TYPE STRING,
ITEMNO TYPE STRING,
REFPO TYPE STRING,
REFPOI TYPE STRING,
PRODORDER TYPE STRING,
PRODORDERI TYPE STRING,
XTOCOPY TYPE STRING,
ICON_COPIED TYPE STRING,
MATID TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
BATCHID TYPE STRING,
CHARG TYPE STRING,
CAT TYPE STRING,
CAT_TEXT TYPE STRING,
ENTITLED TYPE STRING,
ENTITLED_ROLE TYPE STRING,
ENTITLED_TEXT TYPE STRING,
OWNER TYPE STRING,
OWNER_ROLE TYPE STRING,
OWNER_TEXT TYPE STRING,
STOCK_DOCCAT TYPE STRING,
STOCK_DOCCAT_TEXT TYPE STRING,
STOCK_DOCNO TYPE STRING,
STOCK_DOCNO_EXT TYPE STRING,
STOCK_ITMNO TYPE STRING,
STOCK_USAGE TYPE STRING,
STOCK_USAGE_TEXT TYPE STRING,
STREF_DOCCAT TYPE STRING,
STREF_DOCCAT_TEXT TYPE STRING,
OCCOUNTRY TYPE STRING,
QTY TYPE STRING,
UOM TYPE STRING,
VENDPRODNO TYPE STRING,
VENDOR_BATCH TYPE STRING,
VENDOR TYPE STRING,
VENDOR_TEXT TYPE STRING,
SHIP_FROM TYPE STRING,
SHIP_FROM_TEXT TYPE STRING,
DLV_DATE TYPE STRING,
DLV_TIME TYPE STRING,
/SCWM/WHNO TYPE STRING,
PQ_QTY TYPE STRING,
PQ_UOM TYPE STRING,
/SCWM/PSA TYPE STRING,
/SCWM/PSA_IND TYPE STRING,
DOCTYPE TYPE STRING,
DOCTYPE_TXT TYPE STRING,
ITEMCAT TYPE STRING,
ITEMCAT_TXT TYPE STRING,
ITEMTYPE TYPE STRING,
ITEMTYPE_TXT TYPE STRING,
/SCDL/DLV_HEAD TYPE STRING,
/SCDL/DLV_ITEM TYPE STRING,
DUMMY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_GR_EGR_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_GR_EGR_STR-DOCID sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMID sy-vline 
WA_/SCWM/S_GR_EGR_STR-DOCNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-REFPO sy-vline 
WA_/SCWM/S_GR_EGR_STR-REFPOI sy-vline 
WA_/SCWM/S_GR_EGR_STR-PRODORDER sy-vline 
WA_/SCWM/S_GR_EGR_STR-PRODORDERI sy-vline 
WA_/SCWM/S_GR_EGR_STR-XTOCOPY sy-vline 
WA_/SCWM/S_GR_EGR_STR-ICON_COPIED sy-vline 
WA_/SCWM/S_GR_EGR_STR-MATID sy-vline 
WA_/SCWM/S_GR_EGR_STR-MATNR sy-vline 
WA_/SCWM/S_GR_EGR_STR-MAKTX sy-vline 
WA_/SCWM/S_GR_EGR_STR-BATCHID sy-vline 
WA_/SCWM/S_GR_EGR_STR-CHARG sy-vline 
WA_/SCWM/S_GR_EGR_STR-CAT sy-vline 
WA_/SCWM/S_GR_EGR_STR-CAT_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-ENTITLED sy-vline 
WA_/SCWM/S_GR_EGR_STR-ENTITLED_ROLE sy-vline 
WA_/SCWM/S_GR_EGR_STR-ENTITLED_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-OWNER sy-vline 
WA_/SCWM/S_GR_EGR_STR-OWNER_ROLE sy-vline 
WA_/SCWM/S_GR_EGR_STR-OWNER_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_DOCCAT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_DOCCAT_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_DOCNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_DOCNO_EXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_ITMNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_USAGE sy-vline 
WA_/SCWM/S_GR_EGR_STR-STOCK_USAGE_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STREF_DOCCAT sy-vline 
WA_/SCWM/S_GR_EGR_STR-STREF_DOCCAT_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-OCCOUNTRY sy-vline 
WA_/SCWM/S_GR_EGR_STR-QTY sy-vline 
WA_/SCWM/S_GR_EGR_STR-UOM sy-vline 
WA_/SCWM/S_GR_EGR_STR-VENDPRODNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-VENDOR_BATCH sy-vline 
WA_/SCWM/S_GR_EGR_STR-VENDOR sy-vline 
WA_/SCWM/S_GR_EGR_STR-VENDOR_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-SHIP_FROM sy-vline 
WA_/SCWM/S_GR_EGR_STR-SHIP_FROM_TEXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-DLV_DATE sy-vline 
WA_/SCWM/S_GR_EGR_STR-DLV_TIME sy-vline 
WA_/SCWM/S_GR_EGR_STR-/SCWM/WHNO sy-vline 
WA_/SCWM/S_GR_EGR_STR-PQ_QTY sy-vline 
WA_/SCWM/S_GR_EGR_STR-PQ_UOM sy-vline 
WA_/SCWM/S_GR_EGR_STR-/SCWM/PSA sy-vline 
WA_/SCWM/S_GR_EGR_STR-/SCWM/PSA_IND sy-vline 
WA_/SCWM/S_GR_EGR_STR-DOCTYPE sy-vline 
WA_/SCWM/S_GR_EGR_STR-DOCTYPE_TXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMCAT sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMCAT_TXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMTYPE sy-vline 
WA_/SCWM/S_GR_EGR_STR-ITEMTYPE_TXT sy-vline 
WA_/SCWM/S_GR_EGR_STR-/SCDL/DLV_HEAD sy-vline 
WA_/SCWM/S_GR_EGR_STR-/SCDL/DLV_ITEM sy-vline 
WA_/SCWM/S_GR_EGR_STR-DUMMY sy-vline      INTO ld_text SEPARATED BY SPACE.

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