ABAP Select data from SAP table UCF_S_COI_AFD03_GRID_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP UCF_S_COI_AFD03_GRID_DATA 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 UCF_S_COI_AFD03_GRID_DATA. 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 UCF_S_COI_AFD03_GRID_DATA 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_UCF_S_COI_AFD03_GRID_DATA TYPE STANDARD TABLE OF UCF_S_COI_AFD03_GRID_DATA,
      WA_UCF_S_COI_AFD03_GRID_DATA TYPE UCF_S_COI_AFD03_GRID_DATA,
      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: <UCF_S_COI_AFD03_GRID_DATA> TYPE UCF_S_COI_AFD03_GRID_DATA.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_UCF_S_COI_AFD03_GRID_DATA.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM UCF_S_COI_AFD03_GRID_DATA
  INTO TABLE IT_UCF_S_COI_AFD03_GRID_DATA.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM UCF_S_COI_AFD03_GRID_DATA
*  INTO TABLE @DATA(IT_UCF_S_COI_AFD03_GRID_DATA2).
*--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_UCF_S_COI_AFD03_GRID_DATA INDEX 1 INTO DATA(WA_UCF_S_COI_AFD03_GRID_DATA2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_UCF_S_COI_AFD03_GRID_DATA ASSIGNING <UCF_S_COI_AFD03_GRID_DATA>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<UCF_S_COI_AFD03_GRID_DATA>-VALUE_1 = 1.
<UCF_S_COI_AFD03_GRID_DATA>-VALUE_2 = 1.
<UCF_S_COI_AFD03_GRID_DATA>-VALUE_3 = 1.
<UCF_S_COI_AFD03_GRID_DATA>-VALUE_4 = 1.
<UCF_S_COI_AFD03_GRID_DATA>-PCNT1 = 1.

ENDLOOP.

LOOP AT IT_UCF_S_COI_AFD03_GRID_DATA INTO WA_UCF_S_COI_AFD03_GRID_DATA.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_UCF_S_COI_AFD03_GRID_DATA-PCNT2, sy-vline,
  WA_UCF_S_COI_AFD03_GRID_DATA-PCNT3, sy-vline,
  WA_UCF_S_COI_AFD03_GRID_DATA-PCNT4, sy-vline,
  WA_UCF_S_COI_AFD03_GRID_DATA-PCNT5, sy-vline,
  WA_UCF_S_COI_AFD03_GRID_DATA-LCVAL, sy-vline,
  WA_UCF_S_COI_AFD03_GRID_DATA-LCKEY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_UCF_S_COI_AFD03_GRID_DATA 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_UCF_S_COI_AFD03_GRID_DATA 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_UCF_S_COI_AFD03_GRID_DATA INTO WA_UCF_S_COI_AFD03_GRID_DATA.


*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_UCF_S_COI_AFD03_GRID_DATA_STR, 
VALUE_1 TYPE STRING,
VALUE_2 TYPE STRING,
VALUE_3 TYPE STRING,
VALUE_4 TYPE STRING,
PCNT1 TYPE STRING,
PCNT2 TYPE STRING,
PCNT3 TYPE STRING,
PCNT4 TYPE STRING,
PCNT5 TYPE STRING,
LCVAL TYPE STRING,
LCKEY TYPE STRING,
GCVAL TYPE STRING,
GCKEY TYPE STRING,
LCVALIE TYPE STRING,
LCKEYIE TYPE STRING,
COIREDGW TYPE STRING,END OF T_EKKO_STR.
DATA: WA_UCF_S_COI_AFD03_GRID_DATA_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_UCF_S_COI_AFD03_GRID_DATA_STR-VALUE_1 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-VALUE_2 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-VALUE_3 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-VALUE_4 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-PCNT1 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-PCNT2 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-PCNT3 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-PCNT4 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-PCNT5 sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-LCVAL sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-LCKEY sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-GCVAL sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-GCKEY sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-LCVALIE sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-LCKEYIE sy-vline 
WA_UCF_S_COI_AFD03_GRID_DATA_STR-COIREDGW sy-vline      INTO ld_text SEPARATED BY SPACE.

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