ABAP Select data from SAP table VTS_CF_FLOWINPUT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTS_CF_FLOWINPUT
*  INTO TABLE @DATA(IT_VTS_CF_FLOWINPUT2).
*--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_VTS_CF_FLOWINPUT INDEX 1 INTO DATA(WA_VTS_CF_FLOWINPUT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTS_CF_FLOWINPUT>-KEY_DATABIN = 1.
<VTS_CF_FLOWINPUT>-INDEX_DATABIN = 1.
<VTS_CF_FLOWINPUT>-BUKRS = 1.
<VTS_CF_FLOWINPUT>-RFHA = 1.
<VTS_CF_FLOWINPUT>-RFHAZU = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTS_CF_FLOWINPUT-DCRDAT, sy-vline,
  WA_VTS_CF_FLOWINPUT-TCRTIM, sy-vline,
  WA_VTS_CF_FLOWINPUT-RFHAZB, sy-vline,
  WA_VTS_CF_FLOWINPUT-SFHAZBA, sy-vline,
  WA_VTS_CF_FLOWINPUT-SSIGN, sy-vline,
  WA_VTS_CF_FLOWINPUT-XZBETR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTS_CF_FLOWINPUT 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_VTS_CF_FLOWINPUT 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_VTS_CF_FLOWINPUT INTO WA_VTS_CF_FLOWINPUT.


*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 RFHA
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTS_CF_FLOWINPUT-RFHA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTS_CF_FLOWINPUT-RFHA.
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_VTS_CF_FLOWINPUT_STR, 
KEY_DATABIN TYPE STRING,
INDEX_DATABIN TYPE STRING,
BUKRS TYPE STRING,
RFHA TYPE STRING,
RFHAZU TYPE STRING,
DCRDAT TYPE STRING,
TCRTIM TYPE STRING,
RFHAZB TYPE STRING,
SFHAZBA TYPE STRING,
SSIGN TYPE STRING,
XZBETR TYPE STRING,
BZBETR TYPE STRING,
WZBETR TYPE STRING,
XDIRTY TYPE STRING,
BDIRTY TYPE STRING,
XZTERM TYPE STRING,
DZTERM TYPE STRING,
RKONDGR TYPE STRING,
SHERKUNFT TYPE STRING,
XSEXCL TYPE STRING,
SINCL TYPE STRING,
XSVULT TYPE STRING,
SVULT TYPE STRING,
XVALUT TYPE STRING,
DVALUT TYPE STRING,
FLOWUUID TYPE STRING,
XNWHR TYPE STRING,
BNWHR TYPE STRING,
PWKURS TYPE STRING,
BZBETR_OLD TYPE STRING,
XZBETR_OLD TYPE STRING,
AMOUNT_WD TYPE STRING,
XAMOUNT_WD TYPE STRING,
AMOUNT_EXT TYPE STRING,
XAMOUNT_EXT TYPE STRING,
ADJDAT_IND TYPE STRING,
CORRDAT_IND TYPE STRING,
SBEWEBE TYPE STRING,
XBBETR TYPE STRING,
BBBETR TYPE STRING,
WBBETR TYPE STRING,
BBBETR_IDXCLEAN TYPE STRING,
XBBETR_IDXCLEAN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTS_CF_FLOWINPUT_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_VTS_CF_FLOWINPUT_STR-KEY_DATABIN sy-vline 
WA_VTS_CF_FLOWINPUT_STR-INDEX_DATABIN sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BUKRS sy-vline 
WA_VTS_CF_FLOWINPUT_STR-RFHA sy-vline 
WA_VTS_CF_FLOWINPUT_STR-RFHAZU sy-vline 
WA_VTS_CF_FLOWINPUT_STR-DCRDAT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-TCRTIM sy-vline 
WA_VTS_CF_FLOWINPUT_STR-RFHAZB sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SFHAZBA sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SSIGN sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XZBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BZBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-WZBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XDIRTY sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BDIRTY sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XZTERM sy-vline 
WA_VTS_CF_FLOWINPUT_STR-DZTERM sy-vline 
WA_VTS_CF_FLOWINPUT_STR-RKONDGR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SHERKUNFT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XSEXCL sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SINCL sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XSVULT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SVULT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XVALUT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-DVALUT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-FLOWUUID sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XNWHR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BNWHR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-PWKURS sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BZBETR_OLD sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XZBETR_OLD sy-vline 
WA_VTS_CF_FLOWINPUT_STR-AMOUNT_WD sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XAMOUNT_WD sy-vline 
WA_VTS_CF_FLOWINPUT_STR-AMOUNT_EXT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XAMOUNT_EXT sy-vline 
WA_VTS_CF_FLOWINPUT_STR-ADJDAT_IND sy-vline 
WA_VTS_CF_FLOWINPUT_STR-CORRDAT_IND sy-vline 
WA_VTS_CF_FLOWINPUT_STR-SBEWEBE sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XBBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BBBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-WBBETR sy-vline 
WA_VTS_CF_FLOWINPUT_STR-BBBETR_IDXCLEAN sy-vline 
WA_VTS_CF_FLOWINPUT_STR-XBBETR_IDXCLEAN sy-vline      INTO ld_text SEPARATED BY SPACE.

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