ABAP Select data from SAP table V_TIVCARSRULETM into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TIVCARSRULETM 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_TIVCARSRULETM. 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_TIVCARSRULETM 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_TIVCARSRULETM TYPE STANDARD TABLE OF V_TIVCARSRULETM,
      WA_V_TIVCARSRULETM TYPE V_TIVCARSRULETM,
      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_TIVCARSRULETM> TYPE V_TIVCARSRULETM.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVCARSRULETM
*  INTO TABLE @DATA(IT_V_TIVCARSRULETM2).
*--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_TIVCARSRULETM INDEX 1 INTO DATA(WA_V_TIVCARSRULETM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVCARSRULETM>-MANDT = 1.
<V_TIVCARSRULETM>-OBJTYPE = 1.
<V_TIVCARSRULETM>-OBJTYPEDIFF = 1.
<V_TIVCARSRULETM>-RSRULE = 1.
<V_TIVCARSRULETM>-RSNO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVCARSRULETM-RSREASON, sy-vline,
  WA_V_TIVCARSRULETM-XRSREASON, sy-vline,
  WA_V_TIVCARSRULETM-VALIDFROM, sy-vline,
  WA_V_TIVCARSRULETM-VALIDTO, sy-vline,
  WA_V_TIVCARSRULETM-TXT20, sy-vline,
  WA_V_TIVCARSRULETM-OBJTYPEDIFFTXT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVCARSRULETM 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_TIVCARSRULETM 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_TIVCARSRULETM INTO WA_V_TIVCARSRULETM.


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

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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVCARSRULETM-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVCARSRULETM-VALIDTO.
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_TIVCARSRULETM_STR, 
MANDT TYPE STRING,
OBJTYPE TYPE STRING,
OBJTYPEDIFF TYPE STRING,
RSRULE TYPE STRING,
RSNO TYPE STRING,
RSREASON TYPE STRING,
XRSREASON TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
TXT20 TYPE STRING,
OBJTYPEDIFFTXT TYPE STRING,
XRSRULE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVCARSRULETM_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_TIVCARSRULETM_STR-MANDT sy-vline 
WA_V_TIVCARSRULETM_STR-OBJTYPE sy-vline 
WA_V_TIVCARSRULETM_STR-OBJTYPEDIFF sy-vline 
WA_V_TIVCARSRULETM_STR-RSRULE sy-vline 
WA_V_TIVCARSRULETM_STR-RSNO sy-vline 
WA_V_TIVCARSRULETM_STR-RSREASON sy-vline 
WA_V_TIVCARSRULETM_STR-XRSREASON sy-vline 
WA_V_TIVCARSRULETM_STR-VALIDFROM sy-vline 
WA_V_TIVCARSRULETM_STR-VALIDTO sy-vline 
WA_V_TIVCARSRULETM_STR-TXT20 sy-vline 
WA_V_TIVCARSRULETM_STR-OBJTYPEDIFFTXT sy-vline 
WA_V_TIVCARSRULETM_STR-XRSRULE sy-vline      INTO ld_text SEPARATED BY SPACE.

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