ABAP Select data from SAP table EDI_SCHEDGAGRMT_ITM_REL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDI_SCHEDGAGRMT_ITM_REL 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_SCHEDGAGRMT_ITM_REL. 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_SCHEDGAGRMT_ITM_REL 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_SCHEDGAGRMT_ITM_REL TYPE STANDARD TABLE OF EDI_SCHEDGAGRMT_ITM_REL,
      WA_EDI_SCHEDGAGRMT_ITM_REL TYPE EDI_SCHEDGAGRMT_ITM_REL,
      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_SCHEDGAGRMT_ITM_REL> TYPE EDI_SCHEDGAGRMT_ITM_REL.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDI_SCHEDGAGRMT_ITM_REL
*  INTO TABLE @DATA(IT_EDI_SCHEDGAGRMT_ITM_REL2).
*--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_SCHEDGAGRMT_ITM_REL INDEX 1 INTO DATA(WA_EDI_SCHEDGAGRMT_ITM_REL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDI_SCHEDGAGRMT_ITM_REL>-CONTROLLER = 1.
<EDI_SCHEDGAGRMT_ITM_REL>-CUMULATIVE_RECEIVED_QUANTITY = 1.
<EDI_SCHEDGAGRMT_ITM_REL>-CONTROLLER = 1.
<EDI_SCHEDGAGRMT_ITM_REL>-UNIT_CODE = 1.
<EDI_SCHEDGAGRMT_ITM_REL>-CONTENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDI_SCHEDGAGRMT_ITM_REL-PURCHASING_DELIVERY_SCHEDULE_E, sy-vline,
  WA_EDI_SCHEDGAGRMT_ITM_REL-SCHEDGAGRMT_RELEASE_TYPE, sy-vline,
  WA_EDI_SCHEDGAGRMT_ITM_REL-PURCHASING_DELI_SCHED_ID, sy-vline,
  WA_EDI_SCHEDGAGRMT_ITM_REL-PURCHASING_DELI_SCHED_ID_OLD, sy-vline,
  WA_EDI_SCHEDGAGRMT_ITM_REL-PURCHASING_DELI_SCHED_CRT_DATE, sy-vline,
  WA_EDI_SCHEDGAGRMT_ITM_REL-SALES_SCHEDULING_AGREEMENT_ITE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDI_SCHEDGAGRMT_ITM_REL 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_SCHEDGAGRMT_ITM_REL 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_SCHEDGAGRMT_ITM_REL INTO WA_EDI_SCHEDGAGRMT_ITM_REL.


*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_SCHEDGAGRMT_ITM_REL_STR, 
CONTROLLER TYPE STRING,
CUMULATIVE_RECEIVED_QUANTITY TYPE STRING,
CONTROLLER TYPE STRING,
UNIT_CODE TYPE STRING,
CONTENT TYPE STRING,
PURCHASING_DELIVERY_SCHEDULE_E TYPE STRING,
SCHEDGAGRMT_RELEASE_TYPE TYPE STRING,
PURCHASING_DELI_SCHED_ID TYPE STRING,
PURCHASING_DELI_SCHED_ID_OLD TYPE STRING,
PURCHASING_DELI_SCHED_CRT_DATE TYPE STRING,
SALES_SCHEDULING_AGREEMENT_ITE TYPE STRING,
JITHORIZON_END_DATE TYPE STRING,
SCHEDULE_LINE_DATE_KEY TYPE STRING,
PRODN_GOAHEADPERIOD_END_DAT TYPE STRING,
MATL_GOAHEADPERIOD_END_DAT TYPE STRING,
DELIVERY_SCHEDULE_START_DATE TYPE STRING,
LAST_DELIVERY_DOC_POSTING_DATE TYPE STRING,
CUSTOMER_POINT_OF_CONSUMPTION TYPE STRING,
HIGH_PRIORITY_STOCK_KEY TYPE STRING,
REQUIREMENTS_STATUS_KEY TYPE STRING,
SCHEDULE_LINE TYPE STRING,
PACKING TYPE STRING,
LAST_DELIVERY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDI_SCHEDGAGRMT_ITM_REL_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_SCHEDGAGRMT_ITM_REL_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-CUMULATIVE_RECEIVED_QUANTITY sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-CONTROLLER sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-UNIT_CODE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-CONTENT sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PURCHASING_DELIVERY_SCHEDULE_E sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-SCHEDGAGRMT_RELEASE_TYPE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PURCHASING_DELI_SCHED_ID sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PURCHASING_DELI_SCHED_ID_OLD sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PURCHASING_DELI_SCHED_CRT_DATE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-SALES_SCHEDULING_AGREEMENT_ITE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-JITHORIZON_END_DATE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-SCHEDULE_LINE_DATE_KEY sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PRODN_GOAHEADPERIOD_END_DAT sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-MATL_GOAHEADPERIOD_END_DAT sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-DELIVERY_SCHEDULE_START_DATE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-LAST_DELIVERY_DOC_POSTING_DATE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-CUSTOMER_POINT_OF_CONSUMPTION sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-HIGH_PRIORITY_STOCK_KEY sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-REQUIREMENTS_STATUS_KEY sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-SCHEDULE_LINE sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-PACKING sy-vline 
WA_EDI_SCHEDGAGRMT_ITM_REL_STR-LAST_DELIVERY sy-vline      INTO ld_text SEPARATED BY SPACE.

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