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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/OE_S_PO_ITM_SHIPNGX_API
*  INTO TABLE @DATA(IT_/ACCGO/OE_S_PO_ITM_SHIPNGX_API2).
*--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/OE_S_PO_ITM_SHIPNGX_API INDEX 1 INTO DATA(WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/OE_S_PO_ITM_SHIPNGX_API>-PO_ITEM = 1.
</ACCGO/OE_S_PO_ITM_SHIPNGX_API>-PO_ITEMX = 1.
</ACCGO/OE_S_PO_ITM_SHIPNGX_API>-SHIP_POINT = 1.
</ACCGO/OE_S_PO_ITM_SHIPNGX_API>-SHIP_COND = 1.
</ACCGO/OE_S_PO_ITM_SHIPNGX_API>-DLV_PRIO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-ROUTE, sy-vline,
  WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-UNLOAD_PT, sy-vline,
  WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-AUTH_NUMBER, sy-vline,
  WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-SRC_DLV_NO, sy-vline,
  WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-SRC_HANDLG_UNIT, sy-vline,
  WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API-INSPOUT_GUID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API 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/OE_S_PO_ITM_SHIPNGX_API 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/OE_S_PO_ITM_SHIPNGX_API INTO WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API.


*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_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR, 
PO_ITEM TYPE STRING,
PO_ITEMX TYPE STRING,
SHIP_POINT TYPE STRING,
SHIP_COND TYPE STRING,
DLV_PRIO TYPE STRING,
ROUTE TYPE STRING,
UNLOAD_PT TYPE STRING,
AUTH_NUMBER TYPE STRING,
SRC_DLV_NO TYPE STRING,
SRC_HANDLG_UNIT TYPE STRING,
INSPOUT_GUID TYPE STRING,
FOLLOW_UP TYPE STRING,
LOADINGGRP TYPE STRING,
TRANS_GRP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_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/OE_S_PO_ITM_SHIPNGX_API_STR-PO_ITEM sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-PO_ITEMX sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-SHIP_POINT sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-SHIP_COND sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-DLV_PRIO sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-ROUTE sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-UNLOAD_PT sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-AUTH_NUMBER sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-SRC_DLV_NO sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-SRC_HANDLG_UNIT sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-INSPOUT_GUID sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-FOLLOW_UP sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-LOADINGGRP sy-vline 
WA_/ACCGO/OE_S_PO_ITM_SHIPNGX_API_STR-TRANS_GRP sy-vline      INTO ld_text SEPARATED BY SPACE.

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