ABAP Select data from SAP table VISSR_ADMIN_FVAL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VISSR_ADMIN_FVAL
*  INTO TABLE @DATA(IT_VISSR_ADMIN_FVAL2).
*--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_VISSR_ADMIN_FVAL INDEX 1 INTO DATA(WA_VISSR_ADMIN_FVAL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VISSR_ADMIN_FVAL>-MANDT = 1.
<VISSR_ADMIN_FVAL>-BUKRS = 1.
<VISSR_ADMIN_FVAL>-COUNTRY_VAR = 1.
<VISSR_ADMIN_FVAL>-PRODUCT_CAT = 1.
<VISSR_ADMIN_FVAL>-PRODUCT_TYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VISSR_ADMIN_FVAL-SPARTE, sy-vline,
  WA_VISSR_ADMIN_FVAL-STOCKBAV, sy-vline,
  WA_VISSR_ADMIN_FVAL-STOCKFA, sy-vline,
  WA_VISSR_ADMIN_FVAL-DV, sy-vline,
  WA_VISSR_ADMIN_FVAL-DVUA, sy-vline,
  WA_VISSR_ADMIN_FVAL-ABS54AVAG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VISSR_ADMIN_FVAL 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_VISSR_ADMIN_FVAL 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_VISSR_ADMIN_FVAL INTO WA_VISSR_ADMIN_FVAL.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_VISSR_ADMIN_FVAL_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
COUNTRY_VAR TYPE STRING,
PRODUCT_CAT TYPE STRING,
PRODUCT_TYPE TYPE STRING,
SPARTE TYPE STRING,
STOCKBAV TYPE STRING,
STOCKFA TYPE STRING,
DV TYPE STRING,
DVUA TYPE STRING,
ABS54AVAG TYPE STRING,
NW101 TYPE STRING,
NW102 TYPE STRING,
NW201 TYPE STRING,
NW600 TYPE STRING,
NW670 TYPE STRING,
NW671 TYPE STRING,
ATTRIBUTE_LI01 TYPE STRING,
ATTRIBUTE_LI02 TYPE STRING,
ATTRIBUTE_LI03 TYPE STRING,
ATTRIBUTE_LI04 TYPE STRING,
ATTRIBUTE_LI05 TYPE STRING,
R59704 TYPE STRING,
R59705 TYPE STRING,
R59706 TYPE STRING,
R59708 TYPE STRING,
R59710_1 TYPE STRING,
R59710_2 TYPE STRING,
R59710_3 TYPE STRING,
R59710_4 TYPE STRING,
COUNTRY_VAR_TEXT TYPE STRING,
SPARTE_TEXT TYPE STRING,
STOCKBAV_TEXT TYPE STRING,
STOCKFA_TEXT TYPE STRING,
DV_TEXT TYPE STRING,
DVUA_TEXT TYPE STRING,
ABS54AVAG_TEXT TYPE STRING,
NW101_TEXT TYPE STRING,
NW102_TEXT TYPE STRING,
NW201_TEXT TYPE STRING,
NW600_TEXT TYPE STRING,
NW670_TEXT TYPE STRING,
NW671_TEXT TYPE STRING,
R59703 TYPE STRING,
R59703_TEXT TYPE STRING,
R59704_TEXT TYPE STRING,
R59705_TEXT TYPE STRING,
R59706_TEXT TYPE STRING,
R59708_TEXT TYPE STRING,
R59710_1_TEXT TYPE STRING,
R59710_2_TEXT TYPE STRING,
R59710_3_TEXT TYPE STRING,
R59710_4_TEXT TYPE STRING,
PCAT_TEXT TYPE STRING,
PTYP_TEXT TYPE STRING,
ASSET_TYPE TYPE STRING,
FLG_INVESTMENT TYPE STRING,
FLG_SECONDARY TYPE STRING,
ASSET_TYPE_TEXT TYPE STRING,
SECONDARY_TEXT TYPE STRING,
INVESTMENT_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VISSR_ADMIN_FVAL_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_VISSR_ADMIN_FVAL_STR-MANDT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-BUKRS sy-vline 
WA_VISSR_ADMIN_FVAL_STR-COUNTRY_VAR sy-vline 
WA_VISSR_ADMIN_FVAL_STR-PRODUCT_CAT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-PRODUCT_TYPE sy-vline 
WA_VISSR_ADMIN_FVAL_STR-SPARTE sy-vline 
WA_VISSR_ADMIN_FVAL_STR-STOCKBAV sy-vline 
WA_VISSR_ADMIN_FVAL_STR-STOCKFA sy-vline 
WA_VISSR_ADMIN_FVAL_STR-DV sy-vline 
WA_VISSR_ADMIN_FVAL_STR-DVUA sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ABS54AVAG sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW101 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW102 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW201 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW600 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW670 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW671 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ATTRIBUTE_LI01 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ATTRIBUTE_LI02 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ATTRIBUTE_LI03 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ATTRIBUTE_LI04 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ATTRIBUTE_LI05 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59704 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59705 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59706 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59708 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_1 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_2 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_3 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_4 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-COUNTRY_VAR_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-SPARTE_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-STOCKBAV_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-STOCKFA_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-DV_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-DVUA_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ABS54AVAG_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW101_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW102_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW201_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW600_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW670_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-NW671_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59703 sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59703_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59704_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59705_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59706_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59708_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_1_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_2_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_3_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-R59710_4_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-PCAT_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-PTYP_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ASSET_TYPE sy-vline 
WA_VISSR_ADMIN_FVAL_STR-FLG_INVESTMENT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-FLG_SECONDARY sy-vline 
WA_VISSR_ADMIN_FVAL_STR-ASSET_TYPE_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-SECONDARY_TEXT sy-vline 
WA_VISSR_ADMIN_FVAL_STR-INVESTMENT_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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