ABAP Select data from SAP table V_TIVITOPTMETH into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVITOPTMETH
*  INTO TABLE @DATA(IT_V_TIVITOPTMETH2).
*--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_V_TIVITOPTMETH INDEX 1 INTO DATA(WA_V_TIVITOPTMETH2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVITOPTMETH>-MANDT = 1.
<V_TIVITOPTMETH>-OPTMETH = 1.
<V_TIVITOPTMETH>-XOPTMETH = 1.
<V_TIVITOPTMETH>-OPTRATEFIX = 1.
<V_TIVITOPTMETH>-MEAS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVITOPTMETH-ISFREE, sy-vline,
  WA_V_TIVITOPTMETH-ISAUTOMATIC, sy-vline,
  WA_V_TIVITOPTMETH-ISCUSTEXIT, sy-vline,
  WA_V_TIVITOPTMETH-ISDEPCONTR, sy-vline,
  WA_V_TIVITOPTMETH-OPTMETHPS, sy-vline,
  WA_V_TIVITOPTMETH-ISMEASSU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVITOPTMETH 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_V_TIVITOPTMETH 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_V_TIVITOPTMETH INTO WA_V_TIVITOPTMETH.


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

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

*Conversion exit ALPHA, internal->external for field OPTMETHPS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVITOPTMETH-OPTMETHPS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVITOPTMETH-OPTMETHPS.
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_V_TIVITOPTMETH_STR, 
MANDT TYPE STRING,
OPTMETH TYPE STRING,
XOPTMETH TYPE STRING,
OPTRATEFIX TYPE STRING,
MEAS TYPE STRING,
ISFREE TYPE STRING,
ISAUTOMATIC TYPE STRING,
ISCUSTEXIT TYPE STRING,
ISDEPCONTR TYPE STRING,
OPTMETHPS TYPE STRING,
ISMEASSU TYPE STRING,
ISVALIDOBJ TYPE STRING,
ISDEFAULTOBJ TYPE STRING,
ISVALIDSU TYPE STRING,
ISVALIDRO TYPE STRING,
ISVALIDCNUSE TYPE STRING,
ISVALIDCNGEN TYPE STRING,
XMMEAS TYPE STRING,
ISINDEPCN TYPE STRING,
CUEXCLUDEASSIGN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVITOPTMETH_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_V_TIVITOPTMETH_STR-MANDT sy-vline 
WA_V_TIVITOPTMETH_STR-OPTMETH sy-vline 
WA_V_TIVITOPTMETH_STR-XOPTMETH sy-vline 
WA_V_TIVITOPTMETH_STR-OPTRATEFIX sy-vline 
WA_V_TIVITOPTMETH_STR-MEAS sy-vline 
WA_V_TIVITOPTMETH_STR-ISFREE sy-vline 
WA_V_TIVITOPTMETH_STR-ISAUTOMATIC sy-vline 
WA_V_TIVITOPTMETH_STR-ISCUSTEXIT sy-vline 
WA_V_TIVITOPTMETH_STR-ISDEPCONTR sy-vline 
WA_V_TIVITOPTMETH_STR-OPTMETHPS sy-vline 
WA_V_TIVITOPTMETH_STR-ISMEASSU sy-vline 
WA_V_TIVITOPTMETH_STR-ISVALIDOBJ sy-vline 
WA_V_TIVITOPTMETH_STR-ISDEFAULTOBJ sy-vline 
WA_V_TIVITOPTMETH_STR-ISVALIDSU sy-vline 
WA_V_TIVITOPTMETH_STR-ISVALIDRO sy-vline 
WA_V_TIVITOPTMETH_STR-ISVALIDCNUSE sy-vline 
WA_V_TIVITOPTMETH_STR-ISVALIDCNGEN sy-vline 
WA_V_TIVITOPTMETH_STR-XMMEAS sy-vline 
WA_V_TIVITOPTMETH_STR-ISINDEPCN sy-vline 
WA_V_TIVITOPTMETH_STR-CUEXCLUDEASSIGN sy-vline      INTO ld_text SEPARATED BY SPACE.

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