ABAP Select data from SAP table FKK_INSTPLAN_ODATA_DATA into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP FKK_INSTPLAN_ODATA_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 FKK_INSTPLAN_ODATA_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 FKK_INSTPLAN_ODATA_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_FKK_INSTPLAN_ODATA_DATA TYPE STANDARD TABLE OF FKK_INSTPLAN_ODATA_DATA,
      WA_FKK_INSTPLAN_ODATA_DATA TYPE FKK_INSTPLAN_ODATA_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: <FKK_INSTPLAN_ODATA_DATA> TYPE FKK_INSTPLAN_ODATA_DATA.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_INSTPLAN_ODATA_DATA
*  INTO TABLE @DATA(IT_FKK_INSTPLAN_ODATA_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_FKK_INSTPLAN_ODATA_DATA INDEX 1 INTO DATA(WA_FKK_INSTPLAN_ODATA_DATA2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_INSTPLAN_ODATA_DATA>-ODATA_KEY = 1.
<FKK_INSTPLAN_ODATA_DATA>-RPNUM = 1.
<FKK_INSTPLAN_ODATA_DATA>-GPART = 1.
<FKK_INSTPLAN_ODATA_DATA>-NAME_FIRST = 1.
<FKK_INSTPLAN_ODATA_DATA>-NAME_LAST = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_INSTPLAN_ODATA_DATA-POSTALCODE, sy-vline,
  WA_FKK_INSTPLAN_ODATA_DATA-VKONT, sy-vline,
  WA_FKK_INSTPLAN_ODATA_DATA-VKTYP, sy-vline,
  WA_FKK_INSTPLAN_ODATA_DATA-VKTYP_TXT, sy-vline,
  WA_FKK_INSTPLAN_ODATA_DATA-BUKRS, sy-vline,
  WA_FKK_INSTPLAN_ODATA_DATA-RPCAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_INSTPLAN_ODATA_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_FKK_INSTPLAN_ODATA_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_FKK_INSTPLAN_ODATA_DATA INTO WA_FKK_INSTPLAN_ODATA_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 RPNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_INSTPLAN_ODATA_DATA-RPNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_INSTPLAN_ODATA_DATA-RPNUM.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_INSTPLAN_ODATA_DATA-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_INSTPLAN_ODATA_DATA-CACONTRACT.
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_FKK_INSTPLAN_ODATA_DATA_STR, 
ODATA_KEY TYPE STRING,
RPNUM TYPE STRING,
GPART TYPE STRING,
NAME_FIRST TYPE STRING,
NAME_LAST TYPE STRING,
POSTALCODE TYPE STRING,
VKONT TYPE STRING,
VKTYP TYPE STRING,
VKTYP_TXT TYPE STRING,
BUKRS TYPE STRING,
RPCAT TYPE STRING,
RPCAT_TXT TYPE STRING,
GWVAL TYPE STRING,
GWVAL_AMOUNT TYPE STRING,
NINST TYPE STRING,
INSTPLANSTATUS TYPE STRING,
INSTPLANSTATUS_NAME TYPE STRING,
DEAGD TYPE STRING,
DEAGD_TXT TYPE STRING,
STTDT TYPE STRING,
ENDDT TYPE STRING,
DEADT TYPE STRING,
STTDT_CODE TYPE STRING,
ENDDT_CODE TYPE STRING,
DEADT_CODE TYPE STRING,
PLANTERM TYPE STRING,
CPUDT TYPE STRING,
CPUDT_CODE TYPE STRING,
FAEDN TYPE STRING,
FAEDN_CODE TYPE STRING,
AUGST TYPE STRING,
DAYSINARREARS TYPE STRING,
FULFILLRATE TYPE STRING,
WAERS TYPE STRING,
AMOUNT TYPE STRING,
AMOUNTOPEN TYPE STRING,
WAERS_T TYPE STRING,
CLR_DATE TYPE STRING,
ITEMNUMBER TYPE STRING,
ITEMNUMBERPLANS TYPE STRING,
INSTPLANNUMBER TYPE STRING,
PERTYPE TYPE STRING,
PERNUMBER TYPE STRING,
PERFROM TYPE STRING,
PERTO TYPE STRING,
IFROM TYPE STRING,
ITO TYPE STRING,
FROM TYPE STRING,
TO TYPE STRING,
GRIDSIZE TYPE STRING,
CAGROUPBY TYPE STRING,
APPSTATE TYPE STRING,
TEXT TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_INSTPLAN_ODATA_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_FKK_INSTPLAN_ODATA_DATA_STR-ODATA_KEY sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-RPNUM sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-GPART sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-NAME_FIRST sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-NAME_LAST sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-POSTALCODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-VKONT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-VKTYP sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-VKTYP_TXT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-BUKRS sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-RPCAT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-RPCAT_TXT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-GWVAL sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-GWVAL_AMOUNT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-NINST sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-INSTPLANSTATUS sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-INSTPLANSTATUS_NAME sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-DEAGD sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-DEAGD_TXT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-STTDT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-ENDDT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-DEADT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-STTDT_CODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-ENDDT_CODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-DEADT_CODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-PLANTERM sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CPUDT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CPUDT_CODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-FAEDN sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-FAEDN_CODE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-AUGST sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-DAYSINARREARS sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-FULFILLRATE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-WAERS sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-AMOUNT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-AMOUNTOPEN sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-WAERS_T sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CLR_DATE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-ITEMNUMBER sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-ITEMNUMBERPLANS sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-INSTPLANNUMBER sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-PERTYPE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-PERNUMBER sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-PERFROM sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-PERTO sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-IFROM sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-ITO sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-FROM sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-TO sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-GRIDSIZE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CAGROUPBY sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-APPSTATE sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-TEXT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CACONTRACT sy-vline 
WA_FKK_INSTPLAN_ODATA_DATA_STR-CASUBAPPLICATION sy-vline      INTO ld_text SEPARATED BY SPACE.

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