ABAP Select data from SAP table FPB_S_COVP_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FPB_S_COVP_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 FPB_S_COVP_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 FPB_S_COVP_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_FPB_S_COVP_DATA TYPE STANDARD TABLE OF FPB_S_COVP_DATA,
      WA_FPB_S_COVP_DATA TYPE FPB_S_COVP_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: <FPB_S_COVP_DATA> TYPE FPB_S_COVP_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPB_S_COVP_DATA
*  INTO TABLE @DATA(IT_FPB_S_COVP_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_FPB_S_COVP_DATA INDEX 1 INTO DATA(WA_FPB_S_COVP_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPB_S_COVP_DATA>-KOKRS = 1.
<FPB_S_COVP_DATA>-BELNR = 1.
<FPB_S_COVP_DATA>-BUDAT = 1.
<FPB_S_COVP_DATA>-USNAM = 1.
<FPB_S_COVP_DATA>-BUZEI = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPB_S_COVP_DATA-OBJNR, sy-vline,
  WA_FPB_S_COVP_DATA-KSTAR, sy-vline,
  WA_FPB_S_COVP_DATA-SGTXT, sy-vline,
  WA_FPB_S_COVP_DATA-BLTXT, sy-vline,
  WA_FPB_S_COVP_DATA-TIMESTMP, sy-vline,
  WA_FPB_S_COVP_DATA-KWAER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPB_S_COVP_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_FPB_S_COVP_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_FPB_S_COVP_DATA INTO WA_FPB_S_COVP_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.

*Conversion exit ALPHA, internal->external for field BELNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FPB_S_COVP_DATA-BELNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPB_S_COVP_DATA-BELNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KSTAR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FPB_S_COVP_DATA-KSTAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPB_S_COVP_DATA-KSTAR.
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_FPB_S_COVP_DATA_STR, 
KOKRS TYPE STRING,
BELNR TYPE STRING,
BUDAT TYPE STRING,
USNAM TYPE STRING,
BUZEI TYPE STRING,
OBJNR TYPE STRING,
KSTAR TYPE STRING,
SGTXT TYPE STRING,
BLTXT TYPE STRING,
TIMESTMP TYPE STRING,
KWAER TYPE STRING,
WKGBTR TYPE STRING,
WOGBTR TYPE STRING,
WTGBTR TYPE STRING,
TWAER TYPE STRING,
OWAER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPB_S_COVP_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_FPB_S_COVP_DATA_STR-KOKRS sy-vline 
WA_FPB_S_COVP_DATA_STR-BELNR sy-vline 
WA_FPB_S_COVP_DATA_STR-BUDAT sy-vline 
WA_FPB_S_COVP_DATA_STR-USNAM sy-vline 
WA_FPB_S_COVP_DATA_STR-BUZEI sy-vline 
WA_FPB_S_COVP_DATA_STR-OBJNR sy-vline 
WA_FPB_S_COVP_DATA_STR-KSTAR sy-vline 
WA_FPB_S_COVP_DATA_STR-SGTXT sy-vline 
WA_FPB_S_COVP_DATA_STR-BLTXT sy-vline 
WA_FPB_S_COVP_DATA_STR-TIMESTMP sy-vline 
WA_FPB_S_COVP_DATA_STR-KWAER sy-vline 
WA_FPB_S_COVP_DATA_STR-WKGBTR sy-vline 
WA_FPB_S_COVP_DATA_STR-WOGBTR sy-vline 
WA_FPB_S_COVP_DATA_STR-WTGBTR sy-vline 
WA_FPB_S_COVP_DATA_STR-TWAER sy-vline 
WA_FPB_S_COVP_DATA_STR-OWAER sy-vline      INTO ld_text SEPARATED BY SPACE.

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