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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPAPO/S_TRMVIO
*  INTO TABLE @DATA(IT_/SAPAPO/S_TRMVIO2).
*--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_TRMVIO INDEX 1 INTO DATA(WA_/SAPAPO/S_TRMVIO2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPAPO/S_TRMVIO-LOCTO, sy-vline,
  WA_/SAPAPO/S_TRMVIO-LOCNOTO, sy-vline,
  WA_/SAPAPO/S_TRMVIO-TTYPE, sy-vline,
  WA_/SAPAPO/S_TRMVIO-VALFR, sy-vline,
  WA_/SAPAPO/S_TRMVIO-VALTO, sy-vline,
  WA_/SAPAPO/S_TRMVIO-TVALFR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPAPO/S_TRMVIO 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_TRMVIO 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_TRMVIO INTO WA_/SAPAPO/S_TRMVIO.


*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/S_TRMVIO-VERSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRMVIO-VERSID.
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/S_TRMVIO-TDD_LT_PULL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRMVIO-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/S_TRMVIO-TDD_LT_PUSH
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRMVIO-TDD_LT_PUSH.
WRITE:/ 'New Value:', ld_input.

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

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

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

*Conversion exit CUNIT, internal->external for field TUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPAPO/S_TRMVIO-TUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPAPO/S_TRMVIO-TUNIT.
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_TRMVIO_STR, 
TRMID TYPE STRING,
VERSID TYPE STRING,
TRNAME TYPE STRING,
LOCFR TYPE STRING,
LOCNOFR TYPE STRING,
LOCTO TYPE STRING,
LOCNOTO TYPE STRING,
TTYPE TYPE STRING,
VALFR TYPE STRING,
VALTO TYPE STRING,
TVALFR TYPE STRING,
TVALTO TYPE STRING,
DVALFR TYPE STRING,
DVALTO TYPE STRING,
TDD_LT_PULL TYPE STRING,
TDD_LT_PUSH TYPE STRING,
TSS_LT_PULL TYPE STRING,
TSS_LT_PUSH TYPE STRING,
TDD_LT_PULL_V TYPE STRING,
TDD_LT_PUSH_V TYPE STRING,
TSS_LT_PULL_V TYPE STRING,
TSS_LT_PUSH_V TYPE STRING,
TRCAL TYPE STRING,
DURAT TYPE STRING,
TCOST TYPE STRING,
TUNIT TYPE STRING,
TCOSTID TYPE STRING,
VTPRID TYPE STRING,
TRCAL_V TYPE STRING,
DURAT_V TYPE STRING,
TCOST_V TYPE STRING,
TCOSTID_V TYPE STRING,
VTPRID_V TYPE STRING,
TTYPECOST TYPE STRING,
TTYPECOST_V TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPAPO/S_TRMVIO_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_TRMVIO_STR-TRMID sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-VERSID sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TRNAME sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-LOCFR sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-LOCNOFR sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-LOCTO sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-LOCNOTO sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TTYPE sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-VALFR sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-VALTO sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TVALFR sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TVALTO sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-DVALFR sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-DVALTO sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TDD_LT_PULL sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TDD_LT_PUSH sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TSS_LT_PULL sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TSS_LT_PUSH sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TDD_LT_PULL_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TDD_LT_PUSH_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TSS_LT_PULL_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TSS_LT_PUSH_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TRCAL sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-DURAT sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TCOST sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TUNIT sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TCOSTID sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-VTPRID sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TRCAL_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-DURAT_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TCOST_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TCOSTID_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-VTPRID_V sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TTYPECOST sy-vline 
WA_/SAPAPO/S_TRMVIO_STR-TTYPECOST_V sy-vline      INTO ld_text SEPARATED BY SPACE.

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