ABAP Select data from SAP table VTCORT_CODCPA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP VTCORT_CODCPA 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_CODCPA. 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_CODCPA 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_CODCPA TYPE STANDARD TABLE OF VTCORT_CODCPA,
      WA_VTCORT_CODCPA TYPE VTCORT_CODCPA,
      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_CODCPA> TYPE VTCORT_CODCPA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM VTCORT_CODCPA
*  INTO TABLE @DATA(IT_VTCORT_CODCPA2).
*--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_CODCPA INDEX 1 INTO DATA(WA_VTCORT_CODCPA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<VTCORT_CODCPA>-MANDT = 1.
<VTCORT_CODCPA>-CODCPA_UUID = 1.
<VTCORT_CODCPA>-CODMD_UUID = 1.
<VTCORT_CODCPA>-COMPANYCODE = 1.
<VTCORT_CODCPA>-DEAL_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_VTCORT_CODCPA-BEARER_CAT, sy-vline,
  WA_VTCORT_CODCPA-BEARER_ID, sy-vline,
  WA_VTCORT_CODCPA-CASHFLOW_ID, sy-vline,
  WA_VTCORT_CODCPA-IRA_DATE, sy-vline,
  WA_VTCORT_CODCPA-COMMODITY_ID, sy-vline,
  WA_VTCORT_CODCPA-QUOT_SOURCE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_VTCORT_CODCPA 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_CODCPA 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_CODCPA INTO WA_VTCORT_CODCPA.


*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_CODCPA-DEAL_NUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODCPA-DEAL_NUMBER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field PRICE_UOM
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_VTCORT_CODCPA-PRICE_UOM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_VTCORT_CODCPA-PRICE_UOM.
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_CODCPA_STR, 
MANDT TYPE STRING,
CODCPA_UUID TYPE STRING,
CODMD_UUID TYPE STRING,
COMPANYCODE TYPE STRING,
DEAL_NUMBER TYPE STRING,
BEARER_CAT TYPE STRING,
BEARER_ID TYPE STRING,
CASHFLOW_ID TYPE STRING,
IRA_DATE TYPE STRING,
COMMODITY_ID TYPE STRING,
QUOT_SOURCE TYPE STRING,
QUOT_TYPE TYPE STRING,
COMMODITY_PRICE TYPE STRING,
PRICE_CURR_UNIT TYPE STRING,
PRICE_UOM TYPE STRING,
REGI_STATE TYPE STRING,
TERM_FROM TYPE STRING,
IRA_TRIGGER TYPE STRING,
FIXER_NAME TYPE STRING,
FIXING_DATE TYPE STRING,
FIXING_TIME TYPE STRING,
ACTIVITY_STATE TYPE STRING,
DCSID TYPE STRING,
MIC TYPE STRING,
PRICE_TYPE TYPE STRING,
TIME_TO_MATURITY TYPE STRING,
TIMING TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_VTCORT_CODCPA_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_CODCPA_STR-MANDT sy-vline 
WA_VTCORT_CODCPA_STR-CODCPA_UUID sy-vline 
WA_VTCORT_CODCPA_STR-CODMD_UUID sy-vline 
WA_VTCORT_CODCPA_STR-COMPANYCODE sy-vline 
WA_VTCORT_CODCPA_STR-DEAL_NUMBER sy-vline 
WA_VTCORT_CODCPA_STR-BEARER_CAT sy-vline 
WA_VTCORT_CODCPA_STR-BEARER_ID sy-vline 
WA_VTCORT_CODCPA_STR-CASHFLOW_ID sy-vline 
WA_VTCORT_CODCPA_STR-IRA_DATE sy-vline 
WA_VTCORT_CODCPA_STR-COMMODITY_ID sy-vline 
WA_VTCORT_CODCPA_STR-QUOT_SOURCE sy-vline 
WA_VTCORT_CODCPA_STR-QUOT_TYPE sy-vline 
WA_VTCORT_CODCPA_STR-COMMODITY_PRICE sy-vline 
WA_VTCORT_CODCPA_STR-PRICE_CURR_UNIT sy-vline 
WA_VTCORT_CODCPA_STR-PRICE_UOM sy-vline 
WA_VTCORT_CODCPA_STR-REGI_STATE sy-vline 
WA_VTCORT_CODCPA_STR-TERM_FROM sy-vline 
WA_VTCORT_CODCPA_STR-IRA_TRIGGER sy-vline 
WA_VTCORT_CODCPA_STR-FIXER_NAME sy-vline 
WA_VTCORT_CODCPA_STR-FIXING_DATE sy-vline 
WA_VTCORT_CODCPA_STR-FIXING_TIME sy-vline 
WA_VTCORT_CODCPA_STR-ACTIVITY_STATE sy-vline 
WA_VTCORT_CODCPA_STR-DCSID sy-vline 
WA_VTCORT_CODCPA_STR-MIC sy-vline 
WA_VTCORT_CODCPA_STR-PRICE_TYPE sy-vline 
WA_VTCORT_CODCPA_STR-TIME_TO_MATURITY sy-vline 
WA_VTCORT_CODCPA_STR-TIMING sy-vline 
WA_VTCORT_CODCPA_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.