ABAP Select data from SAP table ATP_HRF_OUT_SEG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATP_HRF_OUT_SEG
*  INTO TABLE @DATA(IT_ATP_HRF_OUT_SEG2).
*--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_ATP_HRF_OUT_SEG INDEX 1 INTO DATA(WA_ATP_HRF_OUT_SEG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATP_HRF_OUT_SEG>-MANDT = 1.
<ATP_HRF_OUT_SEG>-ATPRELEVANTDOCUMENTCATEGORY = 1.
<ATP_HRF_OUT_SEG>-ATPRELEVANTDOCUMENT = 1.
<ATP_HRF_OUT_SEG>-ATPRELEVANTDOCUMENTITEM = 1.
<ATP_HRF_OUT_SEG>-ATPRELEVANTDOCSCHEDULELINE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATP_HRF_OUT_SEG-MATERIAL, sy-vline,
  WA_ATP_HRF_OUT_SEG-SUPPLYINGPLANT, sy-vline,
  WA_ATP_HRF_OUT_SEG-STORAGELOCATION, sy-vline,
  WA_ATP_HRF_OUT_SEG-BATCH, sy-vline,
  WA_ATP_HRF_OUT_SEG-DELIVERYGROUP, sy-vline,
  WA_ATP_HRF_OUT_SEG-PRODUCTAVAILABILITYDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATP_HRF_OUT_SEG 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_ATP_HRF_OUT_SEG 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_ATP_HRF_OUT_SEG INTO WA_ATP_HRF_OUT_SEG.


*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_ATP_HRF_OUT_SEG-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_HRF_OUT_SEG-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SOLDTOPARTY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ATP_HRF_OUT_SEG-SOLDTOPARTY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_HRF_OUT_SEG-SOLDTOPARTY.
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_ATP_HRF_OUT_SEG_STR, 
MANDT TYPE STRING,
ATPRELEVANTDOCUMENTCATEGORY TYPE STRING,
ATPRELEVANTDOCUMENT TYPE STRING,
ATPRELEVANTDOCUMENTITEM TYPE STRING,
ATPRELEVANTDOCSCHEDULELINE TYPE STRING,
MATERIAL TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
DELIVERYGROUP TYPE STRING,
PRODUCTAVAILABILITYDATE TYPE STRING,
REQUESTEDDELIVERYDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
ORDERCREATIONDATE TYPE STRING,
SOLDTOPARTY TYPE STRING,
SALESORGANIZATION TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
ORGANIZATIONDIVISION TYPE STRING,
MATERIALGROUP TYPE STRING,
DELIVERYPRIORITY TYPE STRING,
SHIPPINGPOINT TYPE STRING,
SCHEDULELINEPRIORITY TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
SALESGROUP TYPE STRING,
SALESOFFICE TYPE STRING,
SALESDOCUMENTITEMCATEGORY TYPE STRING,
CUSTOMERGROUP TYPE STRING,
PURCHASINGORGANIZATION TYPE STRING,
PURCHASINGGROUP TYPE STRING,
PURCHASEORDERTYPE TYPE STRING,
PURCHASEORDERITEMCATEGORY TYPE STRING,
ISSALESDOCUMENT TYPE STRING,
ISSTOCKTRANSPORTORDER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATP_HRF_OUT_SEG_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_ATP_HRF_OUT_SEG_STR-MANDT sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ATPRELEVANTDOCUMENTCATEGORY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ATPRELEVANTDOCUMENT sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ATPRELEVANTDOCUMENTITEM sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ATPRELEVANTDOCSCHEDULELINE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-MATERIAL sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SUPPLYINGPLANT sy-vline 
WA_ATP_HRF_OUT_SEG_STR-STORAGELOCATION sy-vline 
WA_ATP_HRF_OUT_SEG_STR-BATCH sy-vline 
WA_ATP_HRF_OUT_SEG_STR-DELIVERYGROUP sy-vline 
WA_ATP_HRF_OUT_SEG_STR-PRODUCTAVAILABILITYDATE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-REQUESTEDDELIVERYDATE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-CREATEDBYUSER sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ORDERCREATIONDATE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SOLDTOPARTY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SALESORGANIZATION sy-vline 
WA_ATP_HRF_OUT_SEG_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ORGANIZATIONDIVISION sy-vline 
WA_ATP_HRF_OUT_SEG_STR-MATERIALGROUP sy-vline 
WA_ATP_HRF_OUT_SEG_STR-DELIVERYPRIORITY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SHIPPINGPOINT sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SCHEDULELINEPRIORITY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SDDOCUMENTCATEGORY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SALESGROUP sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SALESOFFICE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-SALESDOCUMENTITEMCATEGORY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-CUSTOMERGROUP sy-vline 
WA_ATP_HRF_OUT_SEG_STR-PURCHASINGORGANIZATION sy-vline 
WA_ATP_HRF_OUT_SEG_STR-PURCHASINGGROUP sy-vline 
WA_ATP_HRF_OUT_SEG_STR-PURCHASEORDERTYPE sy-vline 
WA_ATP_HRF_OUT_SEG_STR-PURCHASEORDERITEMCATEGORY sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ISSALESDOCUMENT sy-vline 
WA_ATP_HRF_OUT_SEG_STR-ISSTOCKTRANSPORTORDER sy-vline      INTO ld_text SEPARATED BY SPACE.

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