ABAP Select data from SAP table RFVD_LOAN_API_HELPVALUES into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RFVD_LOAN_API_HELPVALUES
*  INTO TABLE @DATA(IT_RFVD_LOAN_API_HELPVALUES2).
*--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_RFVD_LOAN_API_HELPVALUES INDEX 1 INTO DATA(WA_RFVD_LOAN_API_HELPVALUES2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RFVD_LOAN_API_HELPVALUES>-VDARL = 1.
<RFVD_LOAN_API_HELPVALUES>-SVZWECK = 1.
<RFVD_LOAN_API_HELPVALUES>-ORGUNIT = 1.
<RFVD_LOAN_API_HELPVALUES>-DISTRIB_CHANNEL = 1.
<RFVD_LOAN_API_HELPVALUES>-SREGION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RFVD_LOAN_API_HELPVALUES-SGESST, sy-vline,
  WA_RFVD_LOAN_API_HELPVALUES-VZZKOPO, sy-vline,
  WA_RFVD_LOAN_API_HELPVALUES-AMMRHYZV, sy-vline,
  WA_RFVD_LOAN_API_HELPVALUES-AVGSTAGEVZ, sy-vline,
  WA_RFVD_LOAN_API_HELPVALUES-JNULLKON, sy-vline,
  WA_RFVD_LOAN_API_HELPVALUES-JSOFVERR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RFVD_LOAN_API_HELPVALUES 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_RFVD_LOAN_API_HELPVALUES 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_RFVD_LOAN_API_HELPVALUES INTO WA_RFVD_LOAN_API_HELPVALUES.


*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_RFVD_LOAN_API_HELPVALUES_STR, 
VDARL TYPE STRING,
SVZWECK TYPE STRING,
ORGUNIT TYPE STRING,
DISTRIB_CHANNEL TYPE STRING,
SREGION TYPE STRING,
SGESST TYPE STRING,
VZZKOPO TYPE STRING,
AMMRHYZV TYPE STRING,
AVGSTAGEVZ TYPE STRING,
JNULLKON TYPE STRING,
JSOFVERR TYPE STRING,
MABER TYPE STRING,
MANSP TYPE STRING,
SBASFIX TYPE STRING,
SBASIS TYPE STRING,
SBUST TYPE STRING,
SDWERK TYPE STRING,
SFANT TYPE STRING,
SFINCL TYPE STRING,
SFMETH TYPE STRING,
SFRANZ TYPE STRING,
SFWERK TYPE STRING,
SINCL TYPE STRING,
SKALID TYPE STRING,
SKALID2 TYPE STRING,
SKALIDWT TYPE STRING,
SKOPO TYPE STRING,
SROUND TYPE STRING,
SVMETH TYPE STRING,
SVWERK TYPE STRING,
SZBMETH TYPE STRING,
SZEGEN TYPE STRING,
SZEITANT TYPE STRING,
SZSREF TYPE STRING,
SZSREFVZ TYPE STRING,
ZLSCH TYPE STRING,
TAB_VZZKOPO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RFVD_LOAN_API_HELPVALUES_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_RFVD_LOAN_API_HELPVALUES_STR-VDARL sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SVZWECK sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-ORGUNIT sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-DISTRIB_CHANNEL sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SREGION sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SGESST sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-VZZKOPO sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-AMMRHYZV sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-AVGSTAGEVZ sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-JNULLKON sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-JSOFVERR sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-MABER sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-MANSP sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SBASFIX sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SBASIS sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SBUST sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SDWERK sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SFANT sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SFINCL sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SFMETH sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SFRANZ sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SFWERK sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SINCL sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SKALID sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SKALID2 sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SKALIDWT sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SKOPO sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SROUND sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SVMETH sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SVWERK sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SZBMETH sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SZEGEN sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SZEITANT sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SZSREF sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-SZSREFVZ sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-ZLSCH sy-vline 
WA_RFVD_LOAN_API_HELPVALUES_STR-TAB_VZZKOPO sy-vline      INTO ld_text SEPARATED BY SPACE.

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