ABAP Select data from SAP table /CCEE/RSFI_VAT_DECLARATION into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /CCEE/RSFI_VAT_DECLARATION 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 /CCEE/RSFI_VAT_DECLARATION. 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 /CCEE/RSFI_VAT_DECLARATION 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_/CCEE/RSFI_VAT_DECLARATION TYPE STANDARD TABLE OF /CCEE/RSFI_VAT_DECLARATION,
      WA_/CCEE/RSFI_VAT_DECLARATION TYPE /CCEE/RSFI_VAT_DECLARATION,
      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: </CCEE/RSFI_VAT_DECLARATION> TYPE /CCEE/RSFI_VAT_DECLARATION.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /CCEE/RSFI_VAT_DECLARATION
  INTO TABLE IT_/CCEE/RSFI_VAT_DECLARATION.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /CCEE/RSFI_VAT_DECLARATION
*  INTO TABLE @DATA(IT_/CCEE/RSFI_VAT_DECLARATION2).
*--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_/CCEE/RSFI_VAT_DECLARATION INDEX 1 INTO DATA(WA_/CCEE/RSFI_VAT_DECLARATION2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/CCEE/RSFI_VAT_DECLARATION ASSIGNING </CCEE/RSFI_VAT_DECLARATION>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</CCEE/RSFI_VAT_DECLARATION>-POPDV = 1.
</CCEE/RSFI_VAT_DECLARATION>-POPDV1 = 1.
</CCEE/RSFI_VAT_DECLARATION>-POPDV2 = 1.
</CCEE/RSFI_VAT_DECLARATION>-POPDV3 = 1.
</CCEE/RSFI_VAT_DECLARATION>-POPDV3A = 1.

ENDLOOP.

LOOP AT IT_/CCEE/RSFI_VAT_DECLARATION INTO WA_/CCEE/RSFI_VAT_DECLARATION.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/CCEE/RSFI_VAT_DECLARATION-POPDV4, sy-vline,
  WA_/CCEE/RSFI_VAT_DECLARATION-POPDV41, sy-vline,
  WA_/CCEE/RSFI_VAT_DECLARATION-POPDV42, sy-vline,
  WA_/CCEE/RSFI_VAT_DECLARATION-POPDV5, sy-vline,
  WA_/CCEE/RSFI_VAT_DECLARATION-POPDV6, sy-vline,
  WA_/CCEE/RSFI_VAT_DECLARATION-POPDV61, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/CCEE/RSFI_VAT_DECLARATION 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_/CCEE/RSFI_VAT_DECLARATION 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_/CCEE/RSFI_VAT_DECLARATION INTO WA_/CCEE/RSFI_VAT_DECLARATION.


*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_/CCEE/RSFI_VAT_DECLARATION_STR, 
POPDV TYPE STRING,
POPDV1 TYPE STRING,
POPDV2 TYPE STRING,
POPDV3 TYPE STRING,
POPDV3A TYPE STRING,
POPDV4 TYPE STRING,
POPDV41 TYPE STRING,
POPDV42 TYPE STRING,
POPDV5 TYPE STRING,
POPDV6 TYPE STRING,
POPDV61 TYPE STRING,
POPDV62 TYPE STRING,
POPDV63 TYPE STRING,
POPDV64 TYPE STRING,
POPDV7 TYPE STRING,
POPDV8 TYPE STRING,
POPDV8A TYPE STRING,
POPDV8B TYPE STRING,
POPDV8V TYPE STRING,
POPDV8G TYPE STRING,
POPDV8D TYPE STRING,
POPDV8E TYPE STRING,
POPDV9 TYPE STRING,
POPDV9A TYPE STRING,
POPDV10 TYPE STRING,
POPDV11 TYPE STRING,
JOURNAL TYPE STRING,
SALES TYPE STRING,
PURCHASES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/CCEE/RSFI_VAT_DECLARATION_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_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV1 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV2 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV3 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV3A sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV4 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV41 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV42 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV5 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV6 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV61 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV62 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV63 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV64 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV7 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8A sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8B sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8V sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8G sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8D sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV8E sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV9 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV9A sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV10 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-POPDV11 sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-JOURNAL sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-SALES sy-vline 
WA_/CCEE/RSFI_VAT_DECLARATION_STR-PURCHASES sy-vline      INTO ld_text SEPARATED BY SPACE.

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