ABAP Select data from SAP table V_LSO_TTYPES into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_LSO_TTYPES 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_LSO_TTYPES. 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_LSO_TTYPES 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_LSO_TTYPES TYPE STANDARD TABLE OF V_LSO_TTYPES,
      WA_V_LSO_TTYPES TYPE V_LSO_TTYPES,
      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_LSO_TTYPES> TYPE V_LSO_TTYPES.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_LSO_TTYPES
*  INTO TABLE @DATA(IT_V_LSO_TTYPES2).
*--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_LSO_TTYPES INDEX 1 INTO DATA(WA_V_LSO_TTYPES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_LSO_TTYPES>-MANDT = 1.
<V_LSO_TTYPES>-PLVAR = 1.
<V_LSO_TTYPES>-OTYPE = 1.
<V_LSO_TTYPES>-OBJID = 1.
<V_LSO_TTYPES>-ISTAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_LSO_TTYPES-BEGDA, sy-vline,
  WA_V_LSO_TTYPES-ENDDA, sy-vline,
  WA_V_LSO_TTYPES-LANGU, sy-vline,
  WA_V_LSO_TTYPES-SEQNR, sy-vline,
  WA_V_LSO_TTYPES-TFORMP, sy-vline,
  WA_V_LSO_TTYPES-OBJTYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_LSO_TTYPES 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_LSO_TTYPES 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_LSO_TTYPES INTO WA_V_LSO_TTYPES.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_V_LSO_TTYPES-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_LSO_TTYPES-LANGU.
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_LSO_TTYPES_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
ISTAT TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
LANGU TYPE STRING,
SEQNR TYPE STRING,
TFORMP TYPE STRING,
OBJTYPE TYPE STRING,
OBJTYPETYPE TYPE STRING,
RELATION TYPE STRING,
GENTRAIN TYPE STRING,
TYPE TYPE STRING,
SCHEDULE_DEP TYPE STRING,
LOCATION_DEP TYPE STRING,
RESOURCE_DEP TYPE STRING,
MEDIA_STORED TYPE STRING,
LA_WRITE TYPE STRING,
TAC_WRITE TYPE STRING,
MASSN TYPE STRING,
MASSN_TRAINING TYPE STRING,
CMD_BOOKBE TYPE STRING,
CMD_REBOOKBE TYPE STRING,
CMD_PREBOOKBE TYPE STRING,
CMD_REPLACEBE TYPE STRING,
CMD_CANCELBE TYPE STRING,
CMD_BOOK_LISTBE TYPE STRING,
CMD_PREBK_LSTBE TYPE STRING,
CMD_BK_ATTBE TYPE STRING,
CMD_PREBK_TRNGBE TYPE STRING,
CMD_CREATEBE TYPE STRING,
CMD_CRRP_HISTOBE TYPE STRING,
CMD_FOLLOWUPBE TYPE STRING,
CMD_BILLINGBE TYPE STRING,
CMD_ACTIVALLBE TYPE STRING,
CMD_SCHEDULEBE TYPE STRING,
CMD_MODIFYBE TYPE STRING,
CMD_PLANBE TYPE STRING,
CMD_DISPLAYBE TYPE STRING,
CMD_WEBLINKBE TYPE STRING,
CMD_KNLLINKBE TYPE STRING,
CMD_CORRESPBE TYPE STRING,
CMD_RESO_SHOWBE TYPE STRING,
CMD_LOCKBE TYPE STRING,
CMD_FIXBE TYPE STRING,
CMD_COST_TRANBE TYPE STRING,
CMD_PRICE_PROPBE TYPE STRING,
CMD_INS_ALLOCBE TYPE STRING,
CMD_MATERIALBE TYPE STRING,
CMD_BOOKFE TYPE STRING,
CMD_REBOOKFE TYPE STRING,
CMD_PREBOOKFE TYPE STRING,
CMD_REPLACEFE TYPE STRING,
CMD_CANCELFE TYPE STRING,
CMD_BOOK_LISTFE TYPE STRING,
CMD_PREBK_LSTFE TYPE STRING,
CMD_BK_ATTFE TYPE STRING,
CMD_PREBK_TRNGFE TYPE STRING,
CMD_CREATEFE TYPE STRING,
CMD_CRRP_HISTOFE TYPE STRING,
CMD_FOLLOWUPFE TYPE STRING,
CMD_BILLINGFE TYPE STRING,
CMD_ACTIVALLFE TYPE STRING,
CMD_SCHEDULEFE TYPE STRING,
CMD_MODIFYFE TYPE STRING,
CMD_PLANFE TYPE STRING,
CMD_DISPLAYFE TYPE STRING,
CMD_WEBLINKFE TYPE STRING,
CMD_KNLLINKFE TYPE STRING,
CMD_CORRESPFE TYPE STRING,
CMD_RESO_SHOWFE TYPE STRING,
CMD_LOCKFE TYPE STRING,
CMD_FIXFE TYPE STRING,
CMD_COST_TRANFE TYPE STRING,
CMD_PRICE_PROPFE TYPE STRING,
CMD_INS_ALLOCFE TYPE STRING,
CMD_MATERIALFE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_LSO_TTYPES_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_LSO_TTYPES_STR-MANDT sy-vline 
WA_V_LSO_TTYPES_STR-PLVAR sy-vline 
WA_V_LSO_TTYPES_STR-OTYPE sy-vline 
WA_V_LSO_TTYPES_STR-OBJID sy-vline 
WA_V_LSO_TTYPES_STR-ISTAT sy-vline 
WA_V_LSO_TTYPES_STR-BEGDA sy-vline 
WA_V_LSO_TTYPES_STR-ENDDA sy-vline 
WA_V_LSO_TTYPES_STR-LANGU sy-vline 
WA_V_LSO_TTYPES_STR-SEQNR sy-vline 
WA_V_LSO_TTYPES_STR-TFORMP sy-vline 
WA_V_LSO_TTYPES_STR-OBJTYPE sy-vline 
WA_V_LSO_TTYPES_STR-OBJTYPETYPE sy-vline 
WA_V_LSO_TTYPES_STR-RELATION sy-vline 
WA_V_LSO_TTYPES_STR-GENTRAIN sy-vline 
WA_V_LSO_TTYPES_STR-TYPE sy-vline 
WA_V_LSO_TTYPES_STR-SCHEDULE_DEP sy-vline 
WA_V_LSO_TTYPES_STR-LOCATION_DEP sy-vline 
WA_V_LSO_TTYPES_STR-RESOURCE_DEP sy-vline 
WA_V_LSO_TTYPES_STR-MEDIA_STORED sy-vline 
WA_V_LSO_TTYPES_STR-LA_WRITE sy-vline 
WA_V_LSO_TTYPES_STR-TAC_WRITE sy-vline 
WA_V_LSO_TTYPES_STR-MASSN sy-vline 
WA_V_LSO_TTYPES_STR-MASSN_TRAINING sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BOOKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_REBOOKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBOOKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_REPLACEBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CANCELBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BOOK_LISTBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBK_LSTBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BK_ATTBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBK_TRNGBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CREATEBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CRRP_HISTOBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_FOLLOWUPBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BILLINGBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_ACTIVALLBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_SCHEDULEBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_MODIFYBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PLANBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_DISPLAYBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_WEBLINKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_KNLLINKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CORRESPBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_RESO_SHOWBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_LOCKBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_FIXBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_COST_TRANBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PRICE_PROPBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_INS_ALLOCBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_MATERIALBE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BOOKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_REBOOKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBOOKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_REPLACEFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CANCELFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BOOK_LISTFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBK_LSTFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BK_ATTFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PREBK_TRNGFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CREATEFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CRRP_HISTOFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_FOLLOWUPFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_BILLINGFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_ACTIVALLFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_SCHEDULEFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_MODIFYFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PLANFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_DISPLAYFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_WEBLINKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_KNLLINKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_CORRESPFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_RESO_SHOWFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_LOCKFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_FIXFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_COST_TRANFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_PRICE_PROPFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_INS_ALLOCFE sy-vline 
WA_V_LSO_TTYPES_STR-CMD_MATERIALFE sy-vline      INTO ld_text SEPARATED BY SPACE.

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