ABAP Select data from SAP table VTCORT_CODUL2FL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VTCORT_CODUL2FL 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 VTCORT_CODUL2FL. 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 VTCORT_CODUL2FL 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_VTCORT_CODUL2FL TYPE STANDARD TABLE OF VTCORT_CODUL2FL,
      WA_VTCORT_CODUL2FL TYPE VTCORT_CODUL2FL,
      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: <VTCORT_CODUL2FL> TYPE VTCORT_CODUL2FL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_VTCORT_CODUL2FL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM VTCORT_CODUL2FL
  INTO TABLE IT_VTCORT_CODUL2FL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTCORT_CODUL2FL
*  INTO TABLE @DATA(IT_VTCORT_CODUL2FL2).
*--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_VTCORT_CODUL2FL INDEX 1 INTO DATA(WA_VTCORT_CODUL2FL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_VTCORT_CODUL2FL ASSIGNING <VTCORT_CODUL2FL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTCORT_CODUL2FL>-MANDT = 1.
<VTCORT_CODUL2FL>-CODUL2FL_UUID = 1.
<VTCORT_CODUL2FL>-CODMD_UUID = 1.
<VTCORT_CODUL2FL>-CODUL_UUID = 1.
<VTCORT_CODUL2FL>-CODUL2_UUID = 1.

ENDLOOP.

LOOP AT IT_VTCORT_CODUL2FL INTO WA_VTCORT_CODUL2FL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTCORT_CODUL2FL-COMPANYCODE, sy-vline,
  WA_VTCORT_CODUL2FL-DEAL_NUMBER, sy-vline,
  WA_VTCORT_CODUL2FL-UL_NUMBER, sy-vline,
  WA_VTCORT_CODUL2FL-FLOW_NO, sy-vline,
  WA_VTCORT_CODUL2FL-FLOWTYPE, sy-vline,
  WA_VTCORT_CODUL2FL-FLOWCLASS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTCORT_CODUL2FL 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_VTCORT_CODUL2FL 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_VTCORT_CODUL2FL INTO WA_VTCORT_CODUL2FL.


*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 DEAL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTCORT_CODUL2FL-DEAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODUL2FL-DEAL_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field UL_NUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTCORT_CODUL2FL-UL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODUL2FL-UL_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYER_PAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_VTCORT_CODUL2FL-PAYER_PAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODUL2FL-PAYER_PAYEE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field LOCRATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_VTCORT_CODUL2FL-LOCRATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODUL2FL-LOCRATE.
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_VTCORT_CODUL2FL_STR, 
MANDT TYPE STRING,
CODUL2FL_UUID TYPE STRING,
CODMD_UUID TYPE STRING,
CODUL_UUID TYPE STRING,
CODUL2_UUID TYPE STRING,
COMPANYCODE TYPE STRING,
DEAL_NUMBER TYPE STRING,
UL_NUMBER TYPE STRING,
FLOW_NO TYPE STRING,
FLOWTYPE TYPE STRING,
FLOWCLASS TYPE STRING,
FLOWCAT TYPE STRING,
FLOWDIRECTION TYPE STRING,
FLOW_DIR_TRANS TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACC TYPE STRING,
PAYER_PAYEE TYPE STRING,
PBANK TYPE STRING,
PAYMT_TRANS TYPE STRING,
PAYMT TYPE STRING,
PAYMT_METHSUPP TYPE STRING,
PAYMENT_DATE TYPE STRING,
PAYMENT_AMT TYPE STRING,
PAYMENT_CURR TYPE STRING,
DUEDATE TYPE STRING,
LOCAMOUNT TYPE STRING,
LOCRATE TYPE STRING,
NO_UNITS TYPE STRING,
UNIT_CURR TYPE STRING,
CALC_DATE TYPE STRING,
INCL_VAL TYPE STRING,
MTHEND_VAL TYPE STRING,
ASS_NO TYPE STRING,
LOC_CURR TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTCORT_CODUL2FL_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_VTCORT_CODUL2FL_STR-MANDT sy-vline 
WA_VTCORT_CODUL2FL_STR-CODUL2FL_UUID sy-vline 
WA_VTCORT_CODUL2FL_STR-CODMD_UUID sy-vline 
WA_VTCORT_CODUL2FL_STR-CODUL_UUID sy-vline 
WA_VTCORT_CODUL2FL_STR-CODUL2_UUID sy-vline 
WA_VTCORT_CODUL2FL_STR-COMPANYCODE sy-vline 
WA_VTCORT_CODUL2FL_STR-DEAL_NUMBER sy-vline 
WA_VTCORT_CODUL2FL_STR-UL_NUMBER sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOW_NO sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOWTYPE sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOWCLASS sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOWCAT sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOWDIRECTION sy-vline 
WA_VTCORT_CODUL2FL_STR-FLOW_DIR_TRANS sy-vline 
WA_VTCORT_CODUL2FL_STR-HOUSEBANK sy-vline 
WA_VTCORT_CODUL2FL_STR-HOUSEBANKACC sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYER_PAYEE sy-vline 
WA_VTCORT_CODUL2FL_STR-PBANK sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMT_TRANS sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMT sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMT_METHSUPP sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMENT_DATE sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMENT_AMT sy-vline 
WA_VTCORT_CODUL2FL_STR-PAYMENT_CURR sy-vline 
WA_VTCORT_CODUL2FL_STR-DUEDATE sy-vline 
WA_VTCORT_CODUL2FL_STR-LOCAMOUNT sy-vline 
WA_VTCORT_CODUL2FL_STR-LOCRATE sy-vline 
WA_VTCORT_CODUL2FL_STR-NO_UNITS sy-vline 
WA_VTCORT_CODUL2FL_STR-UNIT_CURR sy-vline 
WA_VTCORT_CODUL2FL_STR-CALC_DATE sy-vline 
WA_VTCORT_CODUL2FL_STR-INCL_VAL sy-vline 
WA_VTCORT_CODUL2FL_STR-MTHEND_VAL sy-vline 
WA_VTCORT_CODUL2FL_STR-ASS_NO sy-vline 
WA_VTCORT_CODUL2FL_STR-LOC_CURR sy-vline 
WA_VTCORT_CODUL2FL_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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