ABAP Select data from SAP table FVD_GDPDU_XSTR_FLOW_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FVD_GDPDU_XSTR_FLOW_ITEM
*  INTO TABLE @DATA(IT_FVD_GDPDU_XSTR_FLOW_ITEM2).
*--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_FVD_GDPDU_XSTR_FLOW_ITEM INDEX 1 INTO DATA(WA_FVD_GDPDU_XSTR_FLOW_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FVD_GDPDU_XSTR_FLOW_ITEM>-MANDT = 1.
<FVD_GDPDU_XSTR_FLOW_ITEM>-BUKRS = 1.
<FVD_GDPDU_XSTR_FLOW_ITEM>-RBELKPFD = 1.
<FVD_GDPDU_XSTR_FLOW_ITEM>-RPOSNR = 1.
<FVD_GDPDU_XSTR_FLOW_ITEM>-SBEWART = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FVD_GDPDU_XSTR_FLOW_ITEM-SREFBEW, sy-vline,
  WA_FVD_GDPDU_XSTR_FLOW_ITEM-SBEWZITI, sy-vline,
  WA_FVD_GDPDU_XSTR_FLOW_ITEM-BNWHR, sy-vline,
  WA_FVD_GDPDU_XSTR_FLOW_ITEM-SNWHR, sy-vline,
  WA_FVD_GDPDU_XSTR_FLOW_ITEM-BBWHR, sy-vline,
  WA_FVD_GDPDU_XSTR_FLOW_ITEM-SBWHR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FVD_GDPDU_XSTR_FLOW_ITEM 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_FVD_GDPDU_XSTR_FLOW_ITEM 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_FVD_GDPDU_XSTR_FLOW_ITEM INTO WA_FVD_GDPDU_XSTR_FLOW_ITEM.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FVD_GDPDU_XSTR_FLOW_ITEM-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FVD_GDPDU_XSTR_FLOW_ITEM-KUNNR.
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_FVD_GDPDU_XSTR_FLOW_ITEM_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
RBELKPFD TYPE STRING,
RPOSNR TYPE STRING,
SBEWART TYPE STRING,
SREFBEW TYPE STRING,
SBEWZITI TYPE STRING,
BNWHR TYPE STRING,
SNWHR TYPE STRING,
BBWHR TYPE STRING,
SBWHR TYPE STRING,
BCWHR TYPE STRING,
SCWHR TYPE STRING,
BHWHR TYPE STRING,
PKKURS TYPE STRING,
PRUCK TYPE STRING,
DVALUT TYPE STRING,
DFAELL TYPE STRING,
DDISPO TYPE STRING,
DBESTAND TYPE STRING,
DBERVON TYPE STRING,
KOSTL TYPE STRING,
SSOLHAB TYPE STRING,
RSOLL TYPE STRING,
RHABEN TYPE STRING,
SBSLSOLL TYPE STRING,
SHSLHABEN TYPE STRING,
RBANKK TYPE STRING,
PKOND TYPE STRING,
BBASIS TYPE STRING,
KUNNR TYPE STRING,
DBERBIS TYPE STRING,
ATAGE TYPE STRING,
ABASTAGE TYPE STRING,
SZBMETH TYPE STRING,
GSBER TYPE STRING,
SKOART TYPE STRING,
SSTCKKZ TYPE STRING,
RKONT TYPE STRING,
DERF TYPE STRING,
DBEAR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FVD_GDPDU_XSTR_FLOW_ITEM_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_FVD_GDPDU_XSTR_FLOW_ITEM_STR-MANDT sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BUKRS sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RBELKPFD sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RPOSNR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SBEWART sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SREFBEW sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SBEWZITI sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BNWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SNWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BBWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SBWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BCWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SCWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BHWHR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-PKKURS sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-PRUCK sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DVALUT sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DFAELL sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DDISPO sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DBESTAND sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DBERVON sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-KOSTL sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SSOLHAB sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RSOLL sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RHABEN sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SBSLSOLL sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SHSLHABEN sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RBANKK sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-PKOND sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-BBASIS sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-KUNNR sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DBERBIS sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-ATAGE sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-ABASTAGE sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SZBMETH sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-GSBER sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SKOART sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-SSTCKKZ sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-RKONT sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DERF sy-vline 
WA_FVD_GDPDU_XSTR_FLOW_ITEM_STR-DBEAR sy-vline      INTO ld_text SEPARATED BY SPACE.

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