ABAP Select data from SAP table V_TIVCARECUR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TIVCARECUR 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_TIVCARECUR. 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_TIVCARECUR 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_TIVCARECUR TYPE STANDARD TABLE OF V_TIVCARECUR,
      WA_V_TIVCARECUR TYPE V_TIVCARECUR,
      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_TIVCARECUR> TYPE V_TIVCARECUR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TIVCARECUR
*  INTO TABLE @DATA(IT_V_TIVCARECUR2).
*--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_TIVCARECUR INDEX 1 INTO DATA(WA_V_TIVCARECUR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TIVCARECUR>-MANDT = 1.
<V_TIVCARECUR>-RECURNO = 1.
<V_TIVCARECUR>-SEQNO = 1.
<V_TIVCARECUR>-VALIDFROM = 1.
<V_TIVCARECUR>-VALIDTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TIVCARECUR-RECURCOUNT, sy-vline,
  WA_V_TIVCARECUR-TIMEFROM, sy-vline,
  WA_V_TIVCARECUR-TIMETO, sy-vline,
  WA_V_TIVCARECUR-RECURFREQUENCY, sy-vline,
  WA_V_TIVCARECUR-RECURINTERVAL, sy-vline,
  WA_V_TIVCARECUR-ONDAYMO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TIVCARECUR 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_TIVCARECUR 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_TIVCARECUR INTO WA_V_TIVCARECUR.


*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 REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_V_TIVCARECUR-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TIVCARECUR-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_TIVCARECUR_STR, 
MANDT TYPE STRING,
RECURNO TYPE STRING,
SEQNO TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
RECURCOUNT TYPE STRING,
TIMEFROM TYPE STRING,
TIMETO TYPE STRING,
RECURFREQUENCY TYPE STRING,
RECURINTERVAL TYPE STRING,
ONDAYMO TYPE STRING,
ONDAYTU TYPE STRING,
ONDAYWE TYPE STRING,
ONDAYTH TYPE STRING,
ONDAYFR TYPE STRING,
ONDAYSA TYPE STRING,
ONDAYSU TYPE STRING,
ONHOLIDAY TYPE STRING,
ONMONTHDAY TYPE STRING,
ONMONTH TYPE STRING,
INSTANCE TYPE STRING,
ISEXCLUDED TYPE STRING,
HOLIDAYCALENDAR TYPE STRING,
DESCRIPTION TYPE STRING,
TZONE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TIVCARECUR_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_TIVCARECUR_STR-MANDT sy-vline 
WA_V_TIVCARECUR_STR-RECURNO sy-vline 
WA_V_TIVCARECUR_STR-SEQNO sy-vline 
WA_V_TIVCARECUR_STR-VALIDFROM sy-vline 
WA_V_TIVCARECUR_STR-VALIDTO sy-vline 
WA_V_TIVCARECUR_STR-RECURCOUNT sy-vline 
WA_V_TIVCARECUR_STR-TIMEFROM sy-vline 
WA_V_TIVCARECUR_STR-TIMETO sy-vline 
WA_V_TIVCARECUR_STR-RECURFREQUENCY sy-vline 
WA_V_TIVCARECUR_STR-RECURINTERVAL sy-vline 
WA_V_TIVCARECUR_STR-ONDAYMO sy-vline 
WA_V_TIVCARECUR_STR-ONDAYTU sy-vline 
WA_V_TIVCARECUR_STR-ONDAYWE sy-vline 
WA_V_TIVCARECUR_STR-ONDAYTH sy-vline 
WA_V_TIVCARECUR_STR-ONDAYFR sy-vline 
WA_V_TIVCARECUR_STR-ONDAYSA sy-vline 
WA_V_TIVCARECUR_STR-ONDAYSU sy-vline 
WA_V_TIVCARECUR_STR-ONHOLIDAY sy-vline 
WA_V_TIVCARECUR_STR-ONMONTHDAY sy-vline 
WA_V_TIVCARECUR_STR-ONMONTH sy-vline 
WA_V_TIVCARECUR_STR-INSTANCE sy-vline 
WA_V_TIVCARECUR_STR-ISEXCLUDED sy-vline 
WA_V_TIVCARECUR_STR-HOLIDAYCALENDAR sy-vline 
WA_V_TIVCARECUR_STR-DESCRIPTION sy-vline 
WA_V_TIVCARECUR_STR-TZONE sy-vline      INTO ld_text SEPARATED BY SPACE.

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