ABAP Select data from SAP table CCASHBALPREVIEW into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCASHBALPREVIEW
*  INTO TABLE @DATA(IT_CCASHBALPREVIEW2).
*--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_CCASHBALPREVIEW INDEX 1 INTO DATA(WA_CCASHBALPREVIEW2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CCASHBALPREVIEW>-MANDT = 1.
<CCASHBALPREVIEW>-ROWINDEX = 1.
<CCASHBALPREVIEW>-CASHBALANCECREATEDBYUSER = 1.
<CCASHBALPREVIEW>-COMPANYCODE = 1.
<CCASHBALPREVIEW>-MNLIMPORTEDBKACCTBALFILENAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCASHBALPREVIEW-BANKACCOUNTINTERNALID, sy-vline,
  WA_CCASHBALPREVIEW-CASHBALANCEDATE, sy-vline,
  WA_CCASHBALPREVIEW-IBAN, sy-vline,
  WA_CCASHBALPREVIEW-CASHBALANCECREATEDATDATETIME, sy-vline,
  WA_CCASHBALPREVIEW-COMPANYCODENAME, sy-vline,
  WA_CCASHBALPREVIEW-CASHBALANCEAMOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCASHBALPREVIEW 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_CCASHBALPREVIEW 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_CCASHBALPREVIEW INTO WA_CCASHBALPREVIEW.


*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_CCASHBALPREVIEW_STR, 
MANDT TYPE STRING,
ROWINDEX TYPE STRING,
CASHBALANCECREATEDBYUSER TYPE STRING,
COMPANYCODE TYPE STRING,
MNLIMPORTEDBKACCTBALFILENAME TYPE STRING,
BANKACCOUNTINTERNALID TYPE STRING,
CASHBALANCEDATE TYPE STRING,
IBAN TYPE STRING,
CASHBALANCECREATEDATDATETIME TYPE STRING,
COMPANYCODENAME TYPE STRING,
CASHBALANCEAMOUNT TYPE STRING,
CASHBALANCECURRENCY TYPE STRING,
BANKACCOUNTNUMBER TYPE STRING,
BANKCOUNTRY TYPE STRING,
COUNTRYNAME TYPE STRING,
BANKKEY TYPE STRING,
BANKNAME TYPE STRING,
BANKACCOUNTCURRENCY TYPE STRING,
BANKACCOUNTDESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCASHBALPREVIEW_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_CCASHBALPREVIEW_STR-MANDT sy-vline 
WA_CCASHBALPREVIEW_STR-ROWINDEX sy-vline 
WA_CCASHBALPREVIEW_STR-CASHBALANCECREATEDBYUSER sy-vline 
WA_CCASHBALPREVIEW_STR-COMPANYCODE sy-vline 
WA_CCASHBALPREVIEW_STR-MNLIMPORTEDBKACCTBALFILENAME sy-vline 
WA_CCASHBALPREVIEW_STR-BANKACCOUNTINTERNALID sy-vline 
WA_CCASHBALPREVIEW_STR-CASHBALANCEDATE sy-vline 
WA_CCASHBALPREVIEW_STR-IBAN sy-vline 
WA_CCASHBALPREVIEW_STR-CASHBALANCECREATEDATDATETIME sy-vline 
WA_CCASHBALPREVIEW_STR-COMPANYCODENAME sy-vline 
WA_CCASHBALPREVIEW_STR-CASHBALANCEAMOUNT sy-vline 
WA_CCASHBALPREVIEW_STR-CASHBALANCECURRENCY sy-vline 
WA_CCASHBALPREVIEW_STR-BANKACCOUNTNUMBER sy-vline 
WA_CCASHBALPREVIEW_STR-BANKCOUNTRY sy-vline 
WA_CCASHBALPREVIEW_STR-COUNTRYNAME sy-vline 
WA_CCASHBALPREVIEW_STR-BANKKEY sy-vline 
WA_CCASHBALPREVIEW_STR-BANKNAME sy-vline 
WA_CCASHBALPREVIEW_STR-BANKACCOUNTCURRENCY sy-vline 
WA_CCASHBALPREVIEW_STR-BANKACCOUNTDESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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