ABAP Select data from SAP table /SPE/CRMT_R3_RESPONSE_ASN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SPE/CRMT_R3_RESPONSE_ASN 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 /SPE/CRMT_R3_RESPONSE_ASN. 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 /SPE/CRMT_R3_RESPONSE_ASN 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_/SPE/CRMT_R3_RESPONSE_ASN TYPE STANDARD TABLE OF /SPE/CRMT_R3_RESPONSE_ASN,
      WA_/SPE/CRMT_R3_RESPONSE_ASN TYPE /SPE/CRMT_R3_RESPONSE_ASN,
      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: </SPE/CRMT_R3_RESPONSE_ASN> TYPE /SPE/CRMT_R3_RESPONSE_ASN.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/SPE/CRMT_R3_RESPONSE_ASN.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SPE/CRMT_R3_RESPONSE_ASN
  INTO TABLE IT_/SPE/CRMT_R3_RESPONSE_ASN.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SPE/CRMT_R3_RESPONSE_ASN
*  INTO TABLE @DATA(IT_/SPE/CRMT_R3_RESPONSE_ASN2).
*--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_/SPE/CRMT_R3_RESPONSE_ASN INDEX 1 INTO DATA(WA_/SPE/CRMT_R3_RESPONSE_ASN2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SPE/CRMT_R3_RESPONSE_ASN ASSIGNING </SPE/CRMT_R3_RESPONSE_ASN>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SPE/CRMT_R3_RESPONSE_ASN>-HEADER_GUID = 1.
</SPE/CRMT_R3_RESPONSE_ASN>-ITEM_GUID = 1.
</SPE/CRMT_R3_RESPONSE_ASN>-ASN_DOC_NO = 1.
</SPE/CRMT_R3_RESPONSE_ASN>-ASN_DOC_ITEM = 1.
</SPE/CRMT_R3_RESPONSE_ASN>-QUANTITY = 1.

ENDLOOP.

LOOP AT IT_/SPE/CRMT_R3_RESPONSE_ASN INTO WA_/SPE/CRMT_R3_RESPONSE_ASN.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SPE/CRMT_R3_RESPONSE_ASN-PO_UNIT, sy-vline,
  WA_/SPE/CRMT_R3_RESPONSE_ASN-DELIVERY_DATE, sy-vline,
  WA_/SPE/CRMT_R3_RESPONSE_ASN-OPERATION, sy-vline,
  WA_/SPE/CRMT_R3_RESPONSE_ASN-HEADER_NO, sy-vline,
  WA_/SPE/CRMT_R3_RESPONSE_ASN-UPDATE_DLV_QTY, sy-vline,
  WA_/SPE/CRMT_R3_RESPONSE_ASN-PRODUCT_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SPE/CRMT_R3_RESPONSE_ASN 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_/SPE/CRMT_R3_RESPONSE_ASN 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_/SPE/CRMT_R3_RESPONSE_ASN INTO WA_/SPE/CRMT_R3_RESPONSE_ASN.


*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 ALPHA, internal->external for field ASN_DOC_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-ASN_DOC_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-ASN_DOC_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PO_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-PO_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-PO_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field DELIVERY_DATE
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-DELIVERY_DATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-DELIVERY_DATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field HEADER_NO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-HEADER_NO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-HEADER_NO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field PRODUCT_ID
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-PRODUCT_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-PRODUCT_ID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field EXT_ORDER_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-EXT_ORDER_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-EXT_ORDER_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field PRODUCT_ID_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SPE/CRMT_R3_RESPONSE_ASN-PRODUCT_ID_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SPE/CRMT_R3_RESPONSE_ASN-PRODUCT_ID_LONG.
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_/SPE/CRMT_R3_RESPONSE_ASN_STR, 
HEADER_GUID TYPE STRING,
ITEM_GUID TYPE STRING,
ASN_DOC_NO TYPE STRING,
ASN_DOC_ITEM TYPE STRING,
QUANTITY TYPE STRING,
PO_UNIT TYPE STRING,
DELIVERY_DATE TYPE STRING,
OPERATION TYPE STRING,
HEADER_NO TYPE STRING,
UPDATE_DLV_QTY TYPE STRING,
PRODUCT_ID TYPE STRING,
EXT_ORDER_NUMBER TYPE STRING,
ITEM_NUMBER TYPE STRING,
SOURCE_TYPE TYPE STRING,
PRODUCT_ID_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SPE/CRMT_R3_RESPONSE_ASN_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_/SPE/CRMT_R3_RESPONSE_ASN_STR-HEADER_GUID sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-ITEM_GUID sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-ASN_DOC_NO sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-ASN_DOC_ITEM sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-QUANTITY sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-PO_UNIT sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-DELIVERY_DATE sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-OPERATION sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-HEADER_NO sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-UPDATE_DLV_QTY sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-PRODUCT_ID sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-EXT_ORDER_NUMBER sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-ITEM_NUMBER sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-SOURCE_TYPE sy-vline 
WA_/SPE/CRMT_R3_RESPONSE_ASN_STR-PRODUCT_ID_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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