ABAP Select data from SAP table ATP_SBC_CONFIRMATION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ATP_SBC_CONFIRMATION 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_SBC_CONFIRMATION. 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_SBC_CONFIRMATION 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_SBC_CONFIRMATION TYPE STANDARD TABLE OF ATP_SBC_CONFIRMATION,
      WA_ATP_SBC_CONFIRMATION TYPE ATP_SBC_CONFIRMATION,
      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_SBC_CONFIRMATION> TYPE ATP_SBC_CONFIRMATION.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ATP_SBC_CONFIRMATION
*  INTO TABLE @DATA(IT_ATP_SBC_CONFIRMATION2).
*--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_SBC_CONFIRMATION INDEX 1 INTO DATA(WA_ATP_SBC_CONFIRMATION2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ATP_SBC_CONFIRMATION>-ATPCONFIRMATIONUUID = 1.
<ATP_SBC_CONFIRMATION>-ASSGDATPRELEVANTDOCCATEGORY = 1.
<ATP_SBC_CONFIRMATION>-ATPRELEVANTDOCUMENT = 1.
<ATP_SBC_CONFIRMATION>-ATPRELEVANTDOCUMENTITEM = 1.
<ATP_SBC_CONFIRMATION>-ATPRELEVANTDOCUMENTSUBITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ATP_SBC_CONFIRMATION-ATPRELEVANTDOCSCHEDULELINE, sy-vline,
  WA_ATP_SBC_CONFIRMATION-REQDPRODAVAILABILITYUTCDATETME, sy-vline,
  WA_ATP_SBC_CONFIRMATION-REQDTRANSPPLANNINGUTCDATETIME, sy-vline,
  WA_ATP_SBC_CONFIRMATION-REQUESTEDLOADINGUTCDATETIME, sy-vline,
  WA_ATP_SBC_CONFIRMATION-REQUESTEDGOODSISSUEUTCDATETIME, sy-vline,
  WA_ATP_SBC_CONFIRMATION-REQUESTEDDELIVERYUTCDATETIME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ATP_SBC_CONFIRMATION 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_SBC_CONFIRMATION 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_SBC_CONFIRMATION INTO WA_ATP_SBC_CONFIRMATION.


*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 PRODUCT
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_ATP_SBC_CONFIRMATION-PRODUCT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_SBC_CONFIRMATION-PRODUCT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_ATP_SBC_CONFIRMATION-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ATP_SBC_CONFIRMATION-BASEUNIT.
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_SBC_CONFIRMATION_STR, 
ATPCONFIRMATIONUUID TYPE STRING,
ASSGDATPRELEVANTDOCCATEGORY TYPE STRING,
ATPRELEVANTDOCUMENT TYPE STRING,
ATPRELEVANTDOCUMENTITEM TYPE STRING,
ATPRELEVANTDOCUMENTSUBITEM TYPE STRING,
ATPRELEVANTDOCSCHEDULELINE TYPE STRING,
REQDPRODAVAILABILITYUTCDATETME TYPE STRING,
REQDTRANSPPLANNINGUTCDATETIME TYPE STRING,
REQUESTEDLOADINGUTCDATETIME TYPE STRING,
REQUESTEDGOODSISSUEUTCDATETIME TYPE STRING,
REQUESTEDDELIVERYUTCDATETIME TYPE STRING,
REQUESTEDUNLOADINGUTCDATETIME TYPE STRING,
PRODUCT TYPE STRING,
SUPPLYINGPLANT TYPE STRING,
SUPPLYINGMRPAREA TYPE STRING,
INVENTORYSPECIALSTOCKTYPE TYPE STRING,
SSKEY TYPE STRING,
SOURCINGMETHODINSTANCE TYPE STRING,
CONFIRMEDQUANTITYINBASEUNIT TYPE STRING,
BASEUNIT TYPE STRING,
ATPREQUIREMENTUUID TYPE STRING,
CONFDPRODAVAILABILITYUTCDTETME TYPE STRING,
CONFDTRANSPPLANNINGUTCDATETIME TYPE STRING,
CONFIRMEDLOADINGUTCDATETIME TYPE STRING,
CONFIRMEDGOODSISSUEUTCDATETIME TYPE STRING,
CONFIRMEDDELIVERYUTCDATETIME TYPE STRING,
CONFIRMEDUNLOADINGUTCDATETIME TYPE STRING,
CONFDPRODAVAILABILITYTIMEZONE TYPE STRING,
CONFDTRANSPPLANNINGTIMEZONE TYPE STRING,
CONFIRMEDLOADINGTIMEZONE TYPE STRING,
CONFIRMEDGOODSISSUETIMEZONE TYPE STRING,
CONFIRMEDDELIVERYTIMEZONE TYPE STRING,
CONFIRMEDUNLOADINGTIMEZONE TYPE STRING,
ROUTESCHEDULE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ATP_SBC_CONFIRMATION_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_SBC_CONFIRMATION_STR-ATPCONFIRMATIONUUID sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ASSGDATPRELEVANTDOCCATEGORY sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ATPRELEVANTDOCUMENT sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ATPRELEVANTDOCUMENTITEM sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ATPRELEVANTDOCUMENTSUBITEM sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ATPRELEVANTDOCSCHEDULELINE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQDPRODAVAILABILITYUTCDATETME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQDTRANSPPLANNINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQUESTEDLOADINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQUESTEDGOODSISSUEUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQUESTEDDELIVERYUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-REQUESTEDUNLOADINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-PRODUCT sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-SUPPLYINGPLANT sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-SUPPLYINGMRPAREA sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-INVENTORYSPECIALSTOCKTYPE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-SSKEY sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-SOURCINGMETHODINSTANCE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDQUANTITYINBASEUNIT sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-BASEUNIT sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ATPREQUIREMENTUUID sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFDPRODAVAILABILITYUTCDTETME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFDTRANSPPLANNINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDLOADINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDGOODSISSUEUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDDELIVERYUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDUNLOADINGUTCDATETIME sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFDPRODAVAILABILITYTIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFDTRANSPPLANNINGTIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDLOADINGTIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDGOODSISSUETIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDDELIVERYTIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-CONFIRMEDUNLOADINGTIMEZONE sy-vline 
WA_ATP_SBC_CONFIRMATION_STR-ROUTESCHEDULE sy-vline      INTO ld_text SEPARATED BY SPACE.

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