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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/V_TRPV
*  INTO TABLE @DATA(IT_/SAPAPO/V_TRPV2).
*--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/V_TRPV INDEX 1 INTO DATA(WA_/SAPAPO/V_TRPV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPAPO/V_TRPV>-MANDT = 1.
</SAPAPO/V_TRPV>-TRPID = 1.
</SAPAPO/V_TRPV>-VERSID = 1.
</SAPAPO/V_TRPV>-TRNAME = 1.
</SAPAPO/V_TRPV>-LOCFR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/V_TRPV-LOCNOFR, sy-vline,
  WA_/SAPAPO/V_TRPV-LOCTO, sy-vline,
  WA_/SAPAPO/V_TRPV-LOCNOTO, sy-vline,
  WA_/SAPAPO/V_TRPV-MATID, sy-vline,
  WA_/SAPAPO/V_TRPV-MATNR, sy-vline,
  WA_/SAPAPO/V_TRPV-VALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/V_TRPV 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/V_TRPV 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/V_TRPV INTO WA_/SAPAPO/V_TRPV.


*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 VRSIO, internal->external for field VERSID
CALL FUNCTION 'CONVERSION_EXIT_VRSIO_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/V_TRPV-VERSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/V_TRPV-VERSID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/V_TRPV-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/V_TRPV-MATNR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTRN, internal->external for field TDD_LT_PUSH
CALL FUNCTION 'CONVERSION_EXIT_TSTRN_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/V_TRPV-TDD_LT_PUSH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/V_TRPV-TDD_LT_PUSH.
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/V_TRPV_STR, 
MANDT TYPE STRING,
TRPID TYPE STRING,
VERSID TYPE STRING,
TRNAME TYPE STRING,
LOCFR TYPE STRING,
LOCNOFR TYPE STRING,
LOCTO TYPE STRING,
LOCNOTO TYPE STRING,
MATID TYPE STRING,
MATNR TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
BZQID TYPE STRING,
SUBCO TYPE STRING,
CONSI TYPE STRING,
VERSEX TYPE STRING,
MANF_DURA_V TYPE STRING,
MANF_DURA TYPE STRING,
TDD_LT_PULL_V TYPE STRING,
TDD_LT_PULL TYPE STRING,
TDD_LT_PUSH_V TYPE STRING,
TDD_LT_PUSH TYPE STRING,
SPRKZ TYPE STRING,
SPRKZ_V TYPE STRING,
MINLS TYPE STRING,
MINLS_V TYPE STRING,
MAXLS TYPE STRING,
MAXLS_V TYPE STRING,
PCOST TYPE STRING,
PCOST_V TYPE STRING,
DPRIO TYPE STRING,
DPRIO_V TYPE STRING,
PCOSTID TYPE STRING,
PCOSTID_V TYPE STRING,
SPRIO TYPE STRING,
SPRIO_V TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/V_TRPV_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/V_TRPV_STR-MANDT sy-vline 
WA_/SAPAPO/V_TRPV_STR-TRPID sy-vline 
WA_/SAPAPO/V_TRPV_STR-VERSID sy-vline 
WA_/SAPAPO/V_TRPV_STR-TRNAME sy-vline 
WA_/SAPAPO/V_TRPV_STR-LOCFR sy-vline 
WA_/SAPAPO/V_TRPV_STR-LOCNOFR sy-vline 
WA_/SAPAPO/V_TRPV_STR-LOCTO sy-vline 
WA_/SAPAPO/V_TRPV_STR-LOCNOTO sy-vline 
WA_/SAPAPO/V_TRPV_STR-MATID sy-vline 
WA_/SAPAPO/V_TRPV_STR-MATNR sy-vline 
WA_/SAPAPO/V_TRPV_STR-VALFR sy-vline 
WA_/SAPAPO/V_TRPV_STR-VALTO sy-vline 
WA_/SAPAPO/V_TRPV_STR-BZQID sy-vline 
WA_/SAPAPO/V_TRPV_STR-SUBCO sy-vline 
WA_/SAPAPO/V_TRPV_STR-CONSI sy-vline 
WA_/SAPAPO/V_TRPV_STR-VERSEX sy-vline 
WA_/SAPAPO/V_TRPV_STR-MANF_DURA_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-MANF_DURA sy-vline 
WA_/SAPAPO/V_TRPV_STR-TDD_LT_PULL_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-TDD_LT_PULL sy-vline 
WA_/SAPAPO/V_TRPV_STR-TDD_LT_PUSH_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-TDD_LT_PUSH sy-vline 
WA_/SAPAPO/V_TRPV_STR-SPRKZ sy-vline 
WA_/SAPAPO/V_TRPV_STR-SPRKZ_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-MINLS sy-vline 
WA_/SAPAPO/V_TRPV_STR-MINLS_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-MAXLS sy-vline 
WA_/SAPAPO/V_TRPV_STR-MAXLS_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-PCOST sy-vline 
WA_/SAPAPO/V_TRPV_STR-PCOST_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-DPRIO sy-vline 
WA_/SAPAPO/V_TRPV_STR-DPRIO_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-PCOSTID sy-vline 
WA_/SAPAPO/V_TRPV_STR-PCOSTID_V sy-vline 
WA_/SAPAPO/V_TRPV_STR-SPRIO sy-vline 
WA_/SAPAPO/V_TRPV_STR-SPRIO_V sy-vline      INTO ld_text SEPARATED BY SPACE.

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