ABAP Select data from SAP table EDI_SCHEDULING_AGREEMENT_ITEM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDI_SCHEDULING_AGREEMENT_ITEM 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 EDI_SCHEDULING_AGREEMENT_ITEM. 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 EDI_SCHEDULING_AGREEMENT_ITEM 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_EDI_SCHEDULING_AGREEMENT_ITEM TYPE STANDARD TABLE OF EDI_SCHEDULING_AGREEMENT_ITEM,
      WA_EDI_SCHEDULING_AGREEMENT_ITEM TYPE EDI_SCHEDULING_AGREEMENT_ITEM,
      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: <EDI_SCHEDULING_AGREEMENT_ITEM> TYPE EDI_SCHEDULING_AGREEMENT_ITEM.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM EDI_SCHEDULING_AGREEMENT_ITEM
  INTO TABLE IT_EDI_SCHEDULING_AGREEMENT_ITEM.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDI_SCHEDULING_AGREEMENT_ITEM
*  INTO TABLE @DATA(IT_EDI_SCHEDULING_AGREEMENT_ITEM2).
*--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_EDI_SCHEDULING_AGREEMENT_ITEM INDEX 1 INTO DATA(WA_EDI_SCHEDULING_AGREEMENT_ITEM2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_EDI_SCHEDULING_AGREEMENT_ITEM ASSIGNING <EDI_SCHEDULING_AGREEMENT_ITEM>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDI_SCHEDULING_AGREEMENT_ITEM>-CONTROLLER = 1.
<EDI_SCHEDULING_AGREEMENT_ITEM>-SALES_MEASURE_UNIT_CODE = 1.
<EDI_SCHEDULING_AGREEMENT_ITEM>-PURCHASING_RECEIVING_PLANT = 1.
<EDI_SCHEDULING_AGREEMENT_ITEM>-PURCHASING_RECEIVING_LOCATION = 1.
<EDI_SCHEDULING_AGREEMENT_ITEM>-PURCHASING_UNLOADING_POINT = 1.

ENDLOOP.

LOOP AT IT_EDI_SCHEDULING_AGREEMENT_ITEM INTO WA_EDI_SCHEDULING_AGREEMENT_ITEM.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDI_SCHEDULING_AGREEMENT_ITEM-PURCHASING_SCHEDGAGRMT_ITM_ID, sy-vline,
  WA_EDI_SCHEDULING_AGREEMENT_ITEM-SCHED_AGRMT_CUM_QTY_RECONCILE, sy-vline,
  WA_EDI_SCHEDULING_AGREEMENT_ITEM-CUMULATIVE_ORDERED_QUANTITY, sy-vline,
  WA_EDI_SCHEDULING_AGREEMENT_ITEM-CONTROLLER, sy-vline,
  WA_EDI_SCHEDULING_AGREEMENT_ITEM-UNIT_CODE, sy-vline,
  WA_EDI_SCHEDULING_AGREEMENT_ITEM-CONTENT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDI_SCHEDULING_AGREEMENT_ITEM 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_EDI_SCHEDULING_AGREEMENT_ITEM 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_EDI_SCHEDULING_AGREEMENT_ITEM INTO WA_EDI_SCHEDULING_AGREEMENT_ITEM.


*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_EDI_SCHEDULING_AGREEMENT_ITEM_STR, 
CONTROLLER TYPE STRING,
SALES_MEASURE_UNIT_CODE TYPE STRING,
PURCHASING_RECEIVING_PLANT TYPE STRING,
PURCHASING_RECEIVING_LOCATION TYPE STRING,
PURCHASING_UNLOADING_POINT TYPE STRING,
PURCHASING_SCHEDGAGRMT_ITM_ID TYPE STRING,
SCHED_AGRMT_CUM_QTY_RECONCILE TYPE STRING,
CUMULATIVE_ORDERED_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
CONTENT TYPE STRING,
PURCHASING_SCHEDGAGRMT_CRT_DAT TYPE STRING,
PLANNED_CUMULATIVE_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
CONTENT TYPE STRING,
PLANNED_CUMULATIVE_QUANTITY_DA TYPE STRING,
PURCHASING_PRODUCT_NAME TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
CONTENT TYPE STRING,
PRODUCT TYPE STRING,
CONTROLLER TYPE STRING,
GLOBAL_TRADE_ITEM_NUMBER TYPE STRING,
BUYER_PRODUCT_ID TYPE STRING,
SUPPLIER_PRODUCT_ID TYPE STRING,
TEXT TYPE STRING,
RELEASE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDI_SCHEDULING_AGREEMENT_ITEM_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_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-SALES_MEASURE_UNIT_CODE sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_RECEIVING_PLANT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_RECEIVING_LOCATION sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_UNLOADING_POINT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_SCHEDGAGRMT_ITM_ID sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-SCHED_AGRMT_CUM_QTY_RECONCILE sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CUMULATIVE_ORDERED_QUANTITY sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-UNIT_CODE sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTENT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_SCHEDGAGRMT_CRT_DAT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PLANNED_CUMULATIVE_QUANTITY sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-UNIT_CODE sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTENT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PLANNED_CUMULATIVE_QUANTITY_DA sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PURCHASING_PRODUCT_NAME sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-LANGUAGE_CODE sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTENT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-PRODUCT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-GLOBAL_TRADE_ITEM_NUMBER sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-BUYER_PRODUCT_ID sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-SUPPLIER_PRODUCT_ID sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-TEXT sy-vline 
WA_EDI_SCHEDULING_AGREEMENT_ITEM_STR-RELEASE sy-vline      INTO ld_text SEPARATED BY SPACE.

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