ABAP Select data from SAP table VTIDERI_CFM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTIDERI_CFM
*  INTO TABLE @DATA(IT_VTIDERI_CFM2).
*--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_VTIDERI_CFM INDEX 1 INTO DATA(WA_VTIDERI_CFM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTIDERI_CFM>-DEBEG = 1.
<VTIDERI_CFM>-BNWHR = 1.
<VTIDERI_CFM>-SNWHR = 1.
<VTIDERI_CFM>-BWTICK_FINE = 1.
<VTIDERI_CFM>-BETICK_CTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTIDERI_CFM-BWTICK_CTY, sy-vline,
  WA_VTIDERI_CFM-COMMODITY_ID, sy-vline,
  WA_VTIDERI_CFM-CONTRACT_SIZE, sy-vline,
  WA_VTIDERI_CFM-CONTRACT_SZ_UNIT, sy-vline,
  WA_VTIDERI_CFM-QUANTITY, sy-vline,
  WA_VTIDERI_CFM-QUANTITY_UNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTIDERI_CFM 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_VTIDERI_CFM 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_VTIDERI_CFM INTO WA_VTIDERI_CFM.


*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 CUNIT, internal->external for field CONTRACT_SZ_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VTIDERI_CFM-CONTRACT_SZ_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTIDERI_CFM-CONTRACT_SZ_UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VTIDERI_CFM-QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTIDERI_CFM-QUANTITY_UNIT.
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_VTIDERI_CFM_STR, 
DEBEG TYPE STRING,
BNWHR TYPE STRING,
SNWHR TYPE STRING,
BWTICK_FINE TYPE STRING,
BETICK_CTY TYPE STRING,
BWTICK_CTY TYPE STRING,
COMMODITY_ID TYPE STRING,
CONTRACT_SIZE TYPE STRING,
CONTRACT_SZ_UNIT TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
FIRST_NOTICE_DAY TYPE STRING,
BETICK_CTY_CUNIT TYPE STRING,
DCSID TYPE STRING,
KEYDATE TYPE STRING,
MIC TYPE STRING,
UNDERLYING_KEYDATE TYPE STRING,
CTY_STRIKE_PRICE TYPE STRING,
CTY_STRIKE_CURR_UNIT TYPE STRING,
TIMING TYPE STRING,
AVG_PERIOD_START TYPE STRING,
AVG_PERIOD_END TYPE STRING,
OPTTYP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTIDERI_CFM_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_VTIDERI_CFM_STR-DEBEG sy-vline 
WA_VTIDERI_CFM_STR-BNWHR sy-vline 
WA_VTIDERI_CFM_STR-SNWHR sy-vline 
WA_VTIDERI_CFM_STR-BWTICK_FINE sy-vline 
WA_VTIDERI_CFM_STR-BETICK_CTY sy-vline 
WA_VTIDERI_CFM_STR-BWTICK_CTY sy-vline 
WA_VTIDERI_CFM_STR-COMMODITY_ID sy-vline 
WA_VTIDERI_CFM_STR-CONTRACT_SIZE sy-vline 
WA_VTIDERI_CFM_STR-CONTRACT_SZ_UNIT sy-vline 
WA_VTIDERI_CFM_STR-QUANTITY sy-vline 
WA_VTIDERI_CFM_STR-QUANTITY_UNIT sy-vline 
WA_VTIDERI_CFM_STR-FIRST_NOTICE_DAY sy-vline 
WA_VTIDERI_CFM_STR-BETICK_CTY_CUNIT sy-vline 
WA_VTIDERI_CFM_STR-DCSID sy-vline 
WA_VTIDERI_CFM_STR-KEYDATE sy-vline 
WA_VTIDERI_CFM_STR-MIC sy-vline 
WA_VTIDERI_CFM_STR-UNDERLYING_KEYDATE sy-vline 
WA_VTIDERI_CFM_STR-CTY_STRIKE_PRICE sy-vline 
WA_VTIDERI_CFM_STR-CTY_STRIKE_CURR_UNIT sy-vline 
WA_VTIDERI_CFM_STR-TIMING sy-vline 
WA_VTIDERI_CFM_STR-AVG_PERIOD_START sy-vline 
WA_VTIDERI_CFM_STR-AVG_PERIOD_END sy-vline 
WA_VTIDERI_CFM_STR-OPTTYP sy-vline      INTO ld_text SEPARATED BY SPACE.

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