ABAP Select data from SAP table /ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_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_CALL_OFFX_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_CALL_OFFX_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_CALL_OFFX_API TYPE STANDARD TABLE OF /ACCGO/OE_S_PO_CALL_OFFX_API,
      WA_/ACCGO/OE_S_PO_CALL_OFFX_API TYPE /ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_API> TYPE /ACCGO/OE_S_PO_CALL_OFFX_API.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ACCGO/OE_S_PO_CALL_OFFX_API
*  INTO TABLE @DATA(IT_/ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_API INDEX 1 INTO DATA(WA_/ACCGO/OE_S_PO_CALL_OFFX_API2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ACCGO/OE_S_PO_CALL_OFFX_API>-PO_ITEM = 1.
</ACCGO/OE_S_PO_CALL_OFFX_API>-UPDATEFLAG = 1.
</ACCGO/OE_S_PO_CALL_OFFX_API>-FIRMED = 1.
</ACCGO/OE_S_PO_CALL_OFFX_API>-LOAD_RT = 1.
</ACCGO/OE_S_PO_CALL_OFFX_API>-DIS_RT = 1.

ENDLOOP.

LOOP AT IT_/ACCGO/OE_S_PO_CALL_OFFX_API INTO WA_/ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_API-CROP_SEASON_ID, sy-vline,
  WA_/ACCGO/OE_S_PO_CALL_OFFX_API-DEL_PERIOD, sy-vline,
  WA_/ACCGO/OE_S_PO_CALL_OFFX_API-DEL_PERIOD_END, sy-vline,
  WA_/ACCGO/OE_S_PO_CALL_OFFX_API-SOURCE_LOC, sy-vline,
  WA_/ACCGO/OE_S_PO_CALL_OFFX_API-LOAD_RT_QTY, sy-vline,
  WA_/ACCGO/OE_S_PO_CALL_OFFX_API-LOAD_RT_TIM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_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_CALL_OFFX_API INTO WA_/ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_API_STR, 
PO_ITEM TYPE STRING,
UPDATEFLAG TYPE STRING,
FIRMED TYPE STRING,
LOAD_RT TYPE STRING,
DIS_RT TYPE STRING,
CROP_SEASON_ID TYPE STRING,
DEL_PERIOD TYPE STRING,
DEL_PERIOD_END TYPE STRING,
SOURCE_LOC TYPE STRING,
LOAD_RT_QTY TYPE STRING,
LOAD_RT_TIM TYPE STRING,
DEL_PD_UOM TYPE STRING,
DIS_RT_QTY TYPE STRING,
DIS_RT_TIM TYPE STRING,
LOAD_LOCATION TYPE STRING,
DISCHARGE_LOC TYPE STRING,
VKTRA TYPE STRING,
MEANS_TRNSPT TYPE STRING,
INCO_TERMS TYPE STRING,
DELETION_FLAG TYPE STRING,
ALTERNATE_VENDOR TYPE STRING,
CALL_OFF_DATAX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ACCGO/OE_S_PO_CALL_OFFX_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_CALL_OFFX_API_STR-PO_ITEM sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-UPDATEFLAG sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-FIRMED sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-LOAD_RT sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DIS_RT sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-CROP_SEASON_ID sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DEL_PERIOD sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DEL_PERIOD_END sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-SOURCE_LOC sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-LOAD_RT_QTY sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-LOAD_RT_TIM sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DEL_PD_UOM sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DIS_RT_QTY sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DIS_RT_TIM sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-LOAD_LOCATION sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DISCHARGE_LOC sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-VKTRA sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-MEANS_TRNSPT sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-INCO_TERMS sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-DELETION_FLAG sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-ALTERNATE_VENDOR sy-vline 
WA_/ACCGO/OE_S_PO_CALL_OFFX_API_STR-CALL_OFF_DATAX sy-vline      INTO ld_text SEPARATED BY SPACE.

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