ABAP Select data from SAP table /SAPAPO/S_TRPRODUCTALVIO 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_TRPRODUCTALVIO 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_TRPRODUCTALVIO. 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_TRPRODUCTALVIO 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_TRPRODUCTALVIO TYPE STANDARD TABLE OF /SAPAPO/S_TRPRODUCTALVIO,
      WA_/SAPAPO/S_TRPRODUCTALVIO TYPE /SAPAPO/S_TRPRODUCTALVIO,
      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_TRPRODUCTALVIO> TYPE /SAPAPO/S_TRPRODUCTALVIO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S_TRPRODUCTALVIO
*  INTO TABLE @DATA(IT_/SAPAPO/S_TRPRODUCTALVIO2).
*--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_TRPRODUCTALVIO INDEX 1 INTO DATA(WA_/SAPAPO/S_TRPRODUCTALVIO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/S_TRPRODUCTALVIO>-TRPID = 1.
</SAPAPO/S_TRPRODUCTALVIO>-LOCNOFR = 1.
</SAPAPO/S_TRPRODUCTALVIO>-LOCDESCRFR = 1.
</SAPAPO/S_TRPRODUCTALVIO>-LOCNOTO = 1.
</SAPAPO/S_TRPRODUCTALVIO>-LOCDESCRTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S_TRPRODUCTALVIO-MATNR, sy-vline,
  WA_/SAPAPO/S_TRPRODUCTALVIO-DVALFR, sy-vline,
  WA_/SAPAPO/S_TRPRODUCTALVIO-DVALTO, sy-vline,
  WA_/SAPAPO/S_TRPRODUCTALVIO-SPRIO, sy-vline,
  WA_/SAPAPO/S_TRPRODUCTALVIO-DPRIO, sy-vline,
  WA_/SAPAPO/S_TRPRODUCTALVIO-PCOST, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S_TRPRODUCTALVIO 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_TRPRODUCTALVIO 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_TRPRODUCTALVIO INTO WA_/SAPAPO/S_TRPRODUCTALVIO.


*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_TRPRODUCTALVIO-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRG, internal->external for field PLIFZ
CALL FUNCTION 'CONVERSION_EXIT_TSTRG_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODUCTALVIO-PLIFZ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-PLIFZ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field GDURAT
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODUCTALVIO-GDURAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-GDURAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field DURAT
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODUCTALVIO-DURAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-DURAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTRN, internal->external for field STOPDURAT
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODUCTALVIO-STOPDURAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-STOPDURAT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit CUNIT, internal->external for field CUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRPRODUCTALVIO-CUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRPRODUCTALVIO-CUNIT.
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_TRPRODUCTALVIO_STR, 
TRPID TYPE STRING,
LOCNOFR TYPE STRING,
LOCDESCRFR TYPE STRING,
LOCNOTO TYPE STRING,
LOCDESCRTO TYPE STRING,
MATNR TYPE STRING,
DVALFR TYPE STRING,
DVALTO TYPE STRING,
SPRIO TYPE STRING,
DPRIO TYPE STRING,
PCOST TYPE STRING,
MINLS TYPE STRING,
MAXLS TYPE STRING,
SUBCO TYPE STRING,
CONSI TYPE STRING,
COSEX TYPE STRING,
BZQEX TYPE STRING,
TDSRC TYPE STRING,
EBELN TYPE STRING,
EBELP TYPE STRING,
EKORG TYPE STRING,
PLIFZ TYPE STRING,
SPRKZ TYPE STRING,
TTYPE TYPE STRING,
AGGTPLFLG TYPE STRING,
DTLTPLFLG TYPE STRING,
TRCAL TYPE STRING,
GDURAT TYPE STRING,
DURAT TYPE STRING,
STOPDURAT TYPE STRING,
DIST TYPE STRING,
TCOST TYPE STRING,
TUNIT TYPE STRING,
TPREX TYPE STRING,
RESNAME TYPE STRING,
TCOSEX TYPE STRING,
VTPRID TYPE STRING,
VTOSIDDEF TYPE STRING,
VTOSID TYPE STRING,
TTYPECOST TYPE STRING,
TTYPEDISC TYPE STRING,
DURRNDPR TYPE STRING,
TREQ_COVER_TYPE TYPE STRING,
NOTALLOWFLG TYPE STRING,
CONSU TYPE STRING,
CUNIT TYPE STRING,
STFAC TYPE STRING,
TSZEX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S_TRPRODUCTALVIO_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_TRPRODUCTALVIO_STR-TRPID sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-LOCNOFR sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-LOCDESCRFR sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-LOCNOTO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-LOCDESCRTO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-MATNR sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DVALFR sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DVALTO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-SPRIO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DPRIO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-PCOST sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-MINLS sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-MAXLS sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-SUBCO sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-CONSI sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-COSEX sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-BZQEX sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TDSRC sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-EBELN sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-EBELP sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-EKORG sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-PLIFZ sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-SPRKZ sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TTYPE sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-AGGTPLFLG sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DTLTPLFLG sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TRCAL sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-GDURAT sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DURAT sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-STOPDURAT sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DIST sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TCOST sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TUNIT sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TPREX sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-RESNAME sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TCOSEX sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-VTPRID sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-VTOSIDDEF sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-VTOSID sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TTYPECOST sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TTYPEDISC sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-DURRNDPR sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TREQ_COVER_TYPE sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-NOTALLOWFLG sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-CONSU sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-CUNIT sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-STFAC sy-vline 
WA_/SAPAPO/S_TRPRODUCTALVIO_STR-TSZEX sy-vline      INTO ld_text SEPARATED BY SPACE.

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