ABAP Select data from SAP table V_TDBILL_INFO into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP V_TDBILL_INFO 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_TDBILL_INFO. 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_TDBILL_INFO 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_TDBILL_INFO TYPE STANDARD TABLE OF V_TDBILL_INFO,
      WA_V_TDBILL_INFO TYPE V_TDBILL_INFO,
      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_TDBILL_INFO> TYPE V_TDBILL_INFO.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM V_TDBILL_INFO
*  INTO TABLE @DATA(IT_V_TDBILL_INFO2).
*--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_TDBILL_INFO INDEX 1 INTO DATA(WA_V_TDBILL_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<V_TDBILL_INFO>-MANDT = 1.
<V_TDBILL_INFO>-BILL_NUMBER = 1.
<V_TDBILL_INFO>-BUKRS = 1.
<V_TDBILL_INFO>-RANL = 1.
<V_TDBILL_INFO>-TOTAL_DUE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_V_TDBILL_INFO-MINIMUM_DUE, sy-vline,
  WA_V_TDBILL_INFO-PRIN_BALANCE, sy-vline,
  WA_V_TDBILL_INFO-CURRENCY, sy-vline,
  WA_V_TDBILL_INFO-CREATION_DATE, sy-vline,
  WA_V_TDBILL_INFO-DUE_DATE, sy-vline,
  WA_V_TDBILL_INFO-BILL_FORMAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_V_TDBILL_INFO 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_TDBILL_INFO 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_TDBILL_INFO INTO WA_V_TDBILL_INFO.


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

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

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

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

*Conversion exit ALPHA, internal->external for field RBELKPFD
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_V_TDBILL_INFO-RBELKPFD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_V_TDBILL_INFO-RBELKPFD.
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_TDBILL_INFO_STR, 
MANDT TYPE STRING,
BILL_NUMBER TYPE STRING,
BUKRS TYPE STRING,
RANL TYPE STRING,
TOTAL_DUE TYPE STRING,
MINIMUM_DUE TYPE STRING,
PRIN_BALANCE TYPE STRING,
CURRENCY TYPE STRING,
CREATION_DATE TYPE STRING,
DUE_DATE TYPE STRING,
BILL_FORMAT TYPE STRING,
RERF TYPE STRING,
TIMESTAMP TYPE STRING,
LOGNUMBER TYPE STRING,
BILL_CATEGORY TYPE STRING,
REMITTANCE_CODE TYPE STRING,
MICR_CODE TYPE STRING,
GRACE_DATE TYPE STRING,
MATURITY_DATE TYPE STRING,
BEGIN_BALANCE TYPE STRING,
END_BALANCE TYPE STRING,
ADB TYPE STRING,
TOTAL_FEES TYPE STRING,
APR TYPE STRING,
PER_RATE TYPE STRING,
NEXT_RATE TYPE STRING,
INT_YTD TYPE STRING,
PARTNER TYPE STRING,
NAME_LAST TYPE STRING,
NAME_FIRST TYPE STRING,
STREETCODE TYPE STRING,
STREET TYPE STRING,
HOUSE_NUM TYPE STRING,
CITY TYPE STRING,
REGION TYPE STRING,
POST_CODE1 TYPE STRING,
POST_CODE2 TYPE STRING,
ITEM_TYPE TYPE STRING,
ITEM_NUMBER TYPE STRING,
RBELKPFD TYPE STRING,
RPOSNR TYPE STRING,
PLAN_ACT_IND TYPE STRING,
FLOW_TYPE TYPE STRING,
TRANS_DATE TYPE STRING,
AMOUNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_V_TDBILL_INFO_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_TDBILL_INFO_STR-MANDT sy-vline 
WA_V_TDBILL_INFO_STR-BILL_NUMBER sy-vline 
WA_V_TDBILL_INFO_STR-BUKRS sy-vline 
WA_V_TDBILL_INFO_STR-RANL sy-vline 
WA_V_TDBILL_INFO_STR-TOTAL_DUE sy-vline 
WA_V_TDBILL_INFO_STR-MINIMUM_DUE sy-vline 
WA_V_TDBILL_INFO_STR-PRIN_BALANCE sy-vline 
WA_V_TDBILL_INFO_STR-CURRENCY sy-vline 
WA_V_TDBILL_INFO_STR-CREATION_DATE sy-vline 
WA_V_TDBILL_INFO_STR-DUE_DATE sy-vline 
WA_V_TDBILL_INFO_STR-BILL_FORMAT sy-vline 
WA_V_TDBILL_INFO_STR-RERF sy-vline 
WA_V_TDBILL_INFO_STR-TIMESTAMP sy-vline 
WA_V_TDBILL_INFO_STR-LOGNUMBER sy-vline 
WA_V_TDBILL_INFO_STR-BILL_CATEGORY sy-vline 
WA_V_TDBILL_INFO_STR-REMITTANCE_CODE sy-vline 
WA_V_TDBILL_INFO_STR-MICR_CODE sy-vline 
WA_V_TDBILL_INFO_STR-GRACE_DATE sy-vline 
WA_V_TDBILL_INFO_STR-MATURITY_DATE sy-vline 
WA_V_TDBILL_INFO_STR-BEGIN_BALANCE sy-vline 
WA_V_TDBILL_INFO_STR-END_BALANCE sy-vline 
WA_V_TDBILL_INFO_STR-ADB sy-vline 
WA_V_TDBILL_INFO_STR-TOTAL_FEES sy-vline 
WA_V_TDBILL_INFO_STR-APR sy-vline 
WA_V_TDBILL_INFO_STR-PER_RATE sy-vline 
WA_V_TDBILL_INFO_STR-NEXT_RATE sy-vline 
WA_V_TDBILL_INFO_STR-INT_YTD sy-vline 
WA_V_TDBILL_INFO_STR-PARTNER sy-vline 
WA_V_TDBILL_INFO_STR-NAME_LAST sy-vline 
WA_V_TDBILL_INFO_STR-NAME_FIRST sy-vline 
WA_V_TDBILL_INFO_STR-STREETCODE sy-vline 
WA_V_TDBILL_INFO_STR-STREET sy-vline 
WA_V_TDBILL_INFO_STR-HOUSE_NUM sy-vline 
WA_V_TDBILL_INFO_STR-CITY sy-vline 
WA_V_TDBILL_INFO_STR-REGION sy-vline 
WA_V_TDBILL_INFO_STR-POST_CODE1 sy-vline 
WA_V_TDBILL_INFO_STR-POST_CODE2 sy-vline 
WA_V_TDBILL_INFO_STR-ITEM_TYPE sy-vline 
WA_V_TDBILL_INFO_STR-ITEM_NUMBER sy-vline 
WA_V_TDBILL_INFO_STR-RBELKPFD sy-vline 
WA_V_TDBILL_INFO_STR-RPOSNR sy-vline 
WA_V_TDBILL_INFO_STR-PLAN_ACT_IND sy-vline 
WA_V_TDBILL_INFO_STR-FLOW_TYPE sy-vline 
WA_V_TDBILL_INFO_STR-TRANS_DATE sy-vline 
WA_V_TDBILL_INFO_STR-AMOUNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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