ABAP Select data from SAP table V_TIVMISET into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TIVMISET 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_TIVMISET. 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_TIVMISET 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_TIVMISET TYPE STANDARD TABLE OF V_TIVMISET,
      WA_V_TIVMISET TYPE V_TIVMISET,
      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_TIVMISET> TYPE V_TIVMISET.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVMISET
*  INTO TABLE @DATA(IT_V_TIVMISET2).
*--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_TIVMISET INDEX 1 INTO DATA(WA_V_TIVMISET2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVMISET>-MANDT = 1.
<V_TIVMISET>-DUMMYKEY = 1.
<V_TIVMISET>-DEFAULTAREAUNIT = 1.
<V_TIVMISET>-CCSOURCE = 1.
<V_TIVMISET>-SMIETR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVMISET-FIRSTPOSTING, sy-vline,
  WA_V_TIVMISET-RECNDPO, sy-vline,
  WA_V_TIVMISET-CNTYPEMANAGEMENT, sy-vline,
  WA_V_TIVMISET-FIXFITCHARACT, sy-vline,
  WA_V_TIVMISET-NEWDATADELETABLE, sy-vline,
  WA_V_TIVMISET-MEASREFAREA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVMISET 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_TIVMISET 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_TIVMISET INTO WA_V_TIVMISET.


*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 CUNIT, internal->external for field DEFAULTAREAUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVMISET-DEFAULTAREAUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVMISET-DEFAULTAREAUNIT.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CEACONDGROUP
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVMISET-CEACONDGROUP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVMISET-CEACONDGROUP.
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_TIVMISET_STR, 
MANDT TYPE STRING,
DUMMYKEY TYPE STRING,
DEFAULTAREAUNIT TYPE STRING,
CCSOURCE TYPE STRING,
SMIETR TYPE STRING,
FIRSTPOSTING TYPE STRING,
RECNDPO TYPE STRING,
CNTYPEMANAGEMENT TYPE STRING,
FIXFITCHARACT TYPE STRING,
NEWDATADELETABLE TYPE STRING,
MEASREFAREA TYPE STRING,
MEASVOLUME TYPE STRING,
MEASROOMS TYPE STRING,
MEASHALFROOMS TYPE STRING,
MEASROOMUNIT TYPE STRING,
SERVERGRP TYPE STRING,
MAXTASKS TYPE STRING,
MAXCOLLECTCN TYPE STRING,
CONDBASICRENT TYPE STRING,
CONDVALIDFROM TYPE STRING,
CONDPURPOSEEXT TYPE STRING,
USAGETYPE TYPE STRING,
USEESMIVE TYPE STRING,
MIGLANDREQ TYPE STRING,
IMPLCLNAME TYPE STRING,
USEEXTCHECK TYPE STRING,
BUSOBJCHECKIND TYPE STRING,
MIGOFFER TYPE STRING,
CEACONDGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVMISET_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_TIVMISET_STR-MANDT sy-vline 
WA_V_TIVMISET_STR-DUMMYKEY sy-vline 
WA_V_TIVMISET_STR-DEFAULTAREAUNIT sy-vline 
WA_V_TIVMISET_STR-CCSOURCE sy-vline 
WA_V_TIVMISET_STR-SMIETR sy-vline 
WA_V_TIVMISET_STR-FIRSTPOSTING sy-vline 
WA_V_TIVMISET_STR-RECNDPO sy-vline 
WA_V_TIVMISET_STR-CNTYPEMANAGEMENT sy-vline 
WA_V_TIVMISET_STR-FIXFITCHARACT sy-vline 
WA_V_TIVMISET_STR-NEWDATADELETABLE sy-vline 
WA_V_TIVMISET_STR-MEASREFAREA sy-vline 
WA_V_TIVMISET_STR-MEASVOLUME sy-vline 
WA_V_TIVMISET_STR-MEASROOMS sy-vline 
WA_V_TIVMISET_STR-MEASHALFROOMS sy-vline 
WA_V_TIVMISET_STR-MEASROOMUNIT sy-vline 
WA_V_TIVMISET_STR-SERVERGRP sy-vline 
WA_V_TIVMISET_STR-MAXTASKS sy-vline 
WA_V_TIVMISET_STR-MAXCOLLECTCN sy-vline 
WA_V_TIVMISET_STR-CONDBASICRENT sy-vline 
WA_V_TIVMISET_STR-CONDVALIDFROM sy-vline 
WA_V_TIVMISET_STR-CONDPURPOSEEXT sy-vline 
WA_V_TIVMISET_STR-USAGETYPE sy-vline 
WA_V_TIVMISET_STR-USEESMIVE sy-vline 
WA_V_TIVMISET_STR-MIGLANDREQ sy-vline 
WA_V_TIVMISET_STR-IMPLCLNAME sy-vline 
WA_V_TIVMISET_STR-USEEXTCHECK sy-vline 
WA_V_TIVMISET_STR-BUSOBJCHECKIND sy-vline 
WA_V_TIVMISET_STR-MIGOFFER sy-vline 
WA_V_TIVMISET_STR-CEACONDGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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