ABAP Select data from SAP table CVIS_EI_CVI_BANKDETAIL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CVIS_EI_CVI_BANKDETAIL
*  INTO TABLE @DATA(IT_CVIS_EI_CVI_BANKDETAIL2).
*--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_CVIS_EI_CVI_BANKDETAIL INDEX 1 INTO DATA(WA_CVIS_EI_CVI_BANKDETAIL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CVIS_EI_CVI_BANKDETAIL>-TASK = 1.
<CVIS_EI_CVI_BANKDETAIL>-DATA_KEY = 1.
<CVIS_EI_CVI_BANKDETAIL>-BANKS = 1.
<CVIS_EI_CVI_BANKDETAIL>-BANKL = 1.
<CVIS_EI_CVI_BANKDETAIL>-BANKN = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CVIS_EI_CVI_BANKDETAIL-DATA, sy-vline,
  WA_CVIS_EI_CVI_BANKDETAIL-BKONT, sy-vline,
  WA_CVIS_EI_CVI_BANKDETAIL-BVTYP, sy-vline,
  WA_CVIS_EI_CVI_BANKDETAIL-XEZER, sy-vline,
  WA_CVIS_EI_CVI_BANKDETAIL-BKREF, sy-vline,
  WA_CVIS_EI_CVI_BANKDETAIL-KOINH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CVIS_EI_CVI_BANKDETAIL 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_CVIS_EI_CVI_BANKDETAIL 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_CVIS_EI_CVI_BANKDETAIL INTO WA_CVIS_EI_CVI_BANKDETAIL.


*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_CVIS_EI_CVI_BANKDETAIL_STR, 
TASK TYPE STRING,
DATA_KEY TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
BANKN TYPE STRING,
DATA TYPE STRING,
BKONT TYPE STRING,
BVTYP TYPE STRING,
XEZER TYPE STRING,
BKREF TYPE STRING,
KOINH TYPE STRING,
IBAN TYPE STRING,
IBAN_FROM_DATE TYPE STRING,
BANK_GUID TYPE STRING,
TECH_RECTYP TYPE STRING,
DATAX TYPE STRING,
BKONT TYPE STRING,
BVTYP TYPE STRING,
XEZER TYPE STRING,
BKREF TYPE STRING,
KOINH TYPE STRING,
IBAN TYPE STRING,
IBAN_FROM_DATE TYPE STRING,
ALIAS TYPE STRING,
DATA TYPE STRING,
PAYMENT_SYSTEM TYPE STRING,
ALIAS_TYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CVIS_EI_CVI_BANKDETAIL_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_CVIS_EI_CVI_BANKDETAIL_STR-TASK sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-DATA_KEY sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BANKS sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BANKL sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BANKN sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-DATA sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BKONT sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BVTYP sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-XEZER sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BKREF sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-KOINH sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-IBAN sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-IBAN_FROM_DATE sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BANK_GUID sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-TECH_RECTYP sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-DATAX sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BKONT sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BVTYP sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-XEZER sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-BKREF sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-KOINH sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-IBAN sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-IBAN_FROM_DATE sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-ALIAS sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-DATA sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-PAYMENT_SYSTEM sy-vline 
WA_CVIS_EI_CVI_BANKDETAIL_STR-ALIAS_TYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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