ABAP Select data from SAP table POAC_TRANSFER_RESULT_TEMPL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM POAC_TRANSFER_RESULT_TEMPL
*  INTO TABLE @DATA(IT_POAC_TRANSFER_RESULT_TEMPL2).
*--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_POAC_TRANSFER_RESULT_TEMPL INDEX 1 INTO DATA(WA_POAC_TRANSFER_RESULT_TEMPL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<POAC_TRANSFER_RESULT_TEMPL>-COMPANY_CODE = 1.
<POAC_TRANSFER_RESULT_TEMPL>-PURCHASING_DOCUMENT = 1.
<POAC_TRANSFER_RESULT_TEMPL>-PURCHASING_DOC_ITEM = 1.
<POAC_TRANSFER_RESULT_TEMPL>-ACCOUNT_ASSGNMT_NO = 1.
<POAC_TRANSFER_RESULT_TEMPL>-PURCHASING_DOC_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_POAC_TRANSFER_RESULT_TEMPL-ITEM_CATEGORY, sy-vline,
  WA_POAC_TRANSFER_RESULT_TEMPL-PRODUCT_TYPE, sy-vline,
  WA_POAC_TRANSFER_RESULT_TEMPL-DELIV_CMPLT_IND, sy-vline,
  WA_POAC_TRANSFER_RESULT_TEMPL-FNL_INVC_IND, sy-vline,
  WA_POAC_TRANSFER_RESULT_TEMPL-GR_IND, sy-vline,
  WA_POAC_TRANSFER_RESULT_TEMPL-GR_NON_VLTD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_POAC_TRANSFER_RESULT_TEMPL 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_POAC_TRANSFER_RESULT_TEMPL 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_POAC_TRANSFER_RESULT_TEMPL INTO WA_POAC_TRANSFER_RESULT_TEMPL.


*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 PURCHASING_DOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_POAC_TRANSFER_RESULT_TEMPL-PURCHASING_DOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POAC_TRANSFER_RESULT_TEMPL-PURCHASING_DOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit AC152, internal->external for field AMOUNT
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_POAC_TRANSFER_RESULT_TEMPL-AMOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POAC_TRANSFER_RESULT_TEMPL-AMOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_POAC_TRANSFER_RESULT_TEMPL-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_POAC_TRANSFER_RESULT_TEMPL-UNIT.
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_POAC_TRANSFER_RESULT_TEMPL_STR, 
COMPANY_CODE TYPE STRING,
PURCHASING_DOCUMENT TYPE STRING,
PURCHASING_DOC_ITEM TYPE STRING,
ACCOUNT_ASSGNMT_NO TYPE STRING,
PURCHASING_DOC_TYPE TYPE STRING,
ITEM_CATEGORY TYPE STRING,
PRODUCT_TYPE TYPE STRING,
DELIV_CMPLT_IND TYPE STRING,
FNL_INVC_IND TYPE STRING,
GR_IND TYPE STRING,
GR_NON_VLTD TYPE STRING,
DELTN_IND TYPE STRING,
VALITY_FROM TYPE STRING,
VALITY_TO TYPE STRING,
ACRTYPE TYPE STRING,
ACCRULE TYPE STRING,
AMOUNT TYPE STRING,
CURRENCY TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
ACRMETHOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_POAC_TRANSFER_RESULT_TEMPL_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_POAC_TRANSFER_RESULT_TEMPL_STR-COMPANY_CODE sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-PURCHASING_DOCUMENT sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-PURCHASING_DOC_ITEM sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-ACCOUNT_ASSGNMT_NO sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-PURCHASING_DOC_TYPE sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-ITEM_CATEGORY sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-PRODUCT_TYPE sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-DELIV_CMPLT_IND sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-FNL_INVC_IND sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-GR_IND sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-GR_NON_VLTD sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-DELTN_IND sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-VALITY_FROM sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-VALITY_TO sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-ACRTYPE sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-ACCRULE sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-AMOUNT sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-CURRENCY sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-QUANTITY sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-UNIT sy-vline 
WA_POAC_TRANSFER_RESULT_TEMPL_STR-ACRMETHOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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