ABAP Select data from SAP table /ACCGO/S_DGR_FWD_PROCESS_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /ACCGO/S_DGR_FWD_PROCESS_DATA 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 /ACCGO/S_DGR_FWD_PROCESS_DATA. 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 /ACCGO/S_DGR_FWD_PROCESS_DATA 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_/ACCGO/S_DGR_FWD_PROCESS_DATA TYPE STANDARD TABLE OF /ACCGO/S_DGR_FWD_PROCESS_DATA,
      WA_/ACCGO/S_DGR_FWD_PROCESS_DATA TYPE /ACCGO/S_DGR_FWD_PROCESS_DATA,
      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: </ACCGO/S_DGR_FWD_PROCESS_DATA> TYPE /ACCGO/S_DGR_FWD_PROCESS_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/S_DGR_FWD_PROCESS_DATA
*  INTO TABLE @DATA(IT_/ACCGO/S_DGR_FWD_PROCESS_DATA2).
*--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_/ACCGO/S_DGR_FWD_PROCESS_DATA INDEX 1 INTO DATA(WA_/ACCGO/S_DGR_FWD_PROCESS_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/S_DGR_FWD_PROCESS_DATA>-MATERIAL = 1.
</ACCGO/S_DGR_FWD_PROCESS_DATA>-COMMODITY = 1.
</ACCGO/S_DGR_FWD_PROCESS_DATA>-EFFECTIVE_S_DATE = 1.
</ACCGO/S_DGR_FWD_PROCESS_DATA>-EFFECTIVE_E_DATE = 1.
</ACCGO/S_DGR_FWD_PROCESS_DATA>-EFFECTIVE_S_TIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-EFFECTIVE_E_TIME, sy-vline,
  WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-UOM, sy-vline,
  WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-RECIEPT_FWD, sy-vline,
  WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-MAT_TXT, sy-vline,
  WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-COMMODITY_TXT, sy-vline,
  WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-SOURCE_PLANT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/S_DGR_FWD_PROCESS_DATA 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_/ACCGO/S_DGR_FWD_PROCESS_DATA 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_/ACCGO/S_DGR_FWD_PROCESS_DATA INTO WA_/ACCGO/S_DGR_FWD_PROCESS_DATA.


*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 MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-MATERIAL.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field NET_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-NET_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ACCGO/S_DGR_FWD_PROCESS_DATA-NET_UOM.
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_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR, 
MATERIAL TYPE STRING,
COMMODITY TYPE STRING,
EFFECTIVE_S_DATE TYPE STRING,
EFFECTIVE_E_DATE TYPE STRING,
EFFECTIVE_S_TIME TYPE STRING,
EFFECTIVE_E_TIME TYPE STRING,
UOM TYPE STRING,
RECIEPT_FWD TYPE STRING,
MAT_TXT TYPE STRING,
COMMODITY_TXT TYPE STRING,
SOURCE_PLANT TYPE STRING,
DEST_PLANT TYPE STRING,
S_PLANT_TXT TYPE STRING,
D_PLANT_TXT TYPE STRING,
GROSS_UOM TYPE STRING,
NET_UOM TYPE STRING,
S_TSW_LOC TYPE STRING,
D_TSW_LOC TYPE STRING,
S_TSW_LOC_TXT TYPE STRING,
D_TSW_LOC_TXT TYPE STRING,
HLR_EVENT_ID TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_ON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_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_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-MATERIAL sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-COMMODITY sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-EFFECTIVE_S_DATE sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-EFFECTIVE_E_DATE sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-EFFECTIVE_S_TIME sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-EFFECTIVE_E_TIME sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-UOM sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-RECIEPT_FWD sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-MAT_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-COMMODITY_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-SOURCE_PLANT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-DEST_PLANT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-S_PLANT_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-D_PLANT_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-GROSS_UOM sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-NET_UOM sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-S_TSW_LOC sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-D_TSW_LOC sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-S_TSW_LOC_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-D_TSW_LOC_TXT sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-HLR_EVENT_ID sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-CREATED_BY sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-CREATED_ON sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-CHANGED_BY sy-vline 
WA_/ACCGO/S_DGR_FWD_PROCESS_DATA_STR-CHANGED_ON sy-vline      INTO ld_text SEPARATED BY SPACE.

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