ABAP Select data from SAP table /SAPAPO/S_TRPRODBIDALVIO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S_TRPRODBIDALVIO
*  INTO TABLE @DATA(IT_/SAPAPO/S_TRPRODBIDALVIO2).
*--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_/SAPAPO/S_TRPRODBIDALVIO INDEX 1 INTO DATA(WA_/SAPAPO/S_TRPRODBIDALVIO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/S_TRPRODBIDALVIO>-TRPID = 1.
</SAPAPO/S_TRPRODBIDALVIO>-LOCNO = 1.
</SAPAPO/S_TRPRODBIDALVIO>-LOCDESCR = 1.
</SAPAPO/S_TRPRODBIDALVIO>-MATNR = 1.
</SAPAPO/S_TRPRODBIDALVIO>-MAKTX = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S_TRPRODBIDALVIO-DVALFR, sy-vline,
  WA_/SAPAPO/S_TRPRODBIDALVIO-DVALTO, sy-vline,
  WA_/SAPAPO/S_TRPRODBIDALVIO-MINLS, sy-vline,
  WA_/SAPAPO/S_TRPRODBIDALVIO-MAXLS, sy-vline,
  WA_/SAPAPO/S_TRPRODBIDALVIO-BPRFID, sy-vline,
  WA_/SAPAPO/S_TRPRODBIDALVIO-SPRIO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S_TRPRODBIDALVIO 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_/SAPAPO/S_TRPRODBIDALVIO 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_/SAPAPO/S_TRPRODBIDALVIO INTO WA_/SAPAPO/S_TRPRODBIDALVIO.


*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 MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODBIDALVIO-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODBIDALVIO-MATNR.
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_/SAPAPO/S_TRPRODBIDALVIO_STR, 
TRPID TYPE STRING,
LOCNO TYPE STRING,
LOCDESCR TYPE STRING,
MATNR TYPE STRING,
MAKTX TYPE STRING,
DVALFR TYPE STRING,
DVALTO TYPE STRING,
MINLS TYPE STRING,
MAXLS TYPE STRING,
BPRFID TYPE STRING,
SPRIO TYPE STRING,
PCOST TYPE STRING,
COSEX TYPE STRING,
SPRKZ TYPE STRING,
UPDATEF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S_TRPRODBIDALVIO_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_/SAPAPO/S_TRPRODBIDALVIO_STR-TRPID sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-LOCNO sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-LOCDESCR sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-MATNR sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-MAKTX sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-DVALFR sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-DVALTO sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-MINLS sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-MAXLS sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-BPRFID sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-SPRIO sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-PCOST sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-COSEX sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-SPRKZ sy-vline 
WA_/SAPAPO/S_TRPRODBIDALVIO_STR-UPDATEF sy-vline      INTO ld_text SEPARATED BY SPACE.

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