ABAP Select data from SAP table FPLT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FPLT
*  INTO TABLE @DATA(IT_FPLT2).
*--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_FPLT INDEX 1 INTO DATA(WA_FPLT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FPLT>-MANDT = 1.
<FPLT>-FPLNR = 1.
<FPLT>-FPLTR = 1.
<FPLT>-FPTTP = 1.
<FPLT>-TETXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FPLT-FKDAT, sy-vline,
  WA_FPLT-FPFIX, sy-vline,
  WA_FPLT-FAREG, sy-vline,
  WA_FPLT-FPROZ, sy-vline,
  WA_FPLT-WAERS, sy-vline,
  WA_FPLT-KURFP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FPLT 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_FPLT 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_FPLT INTO WA_FPLT.


*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 EXCRT, internal->external for field KURFP
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FPLT-KURFP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPLT-KURFP.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EXCRT, internal->external for field KURRF
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FPLT-KURRF
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPLT-KURRF.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CCACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FPLT-CCACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FPLT-CCACT.
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_FPLT_STR, 
MANDT TYPE STRING,
FPLNR TYPE STRING,
FPLTR TYPE STRING,
FPTTP TYPE STRING,
TETXT TYPE STRING,
FKDAT TYPE STRING,
FPFIX TYPE STRING,
FAREG TYPE STRING,
FPROZ TYPE STRING,
WAERS TYPE STRING,
KURFP TYPE STRING,
FAKWR TYPE STRING,
FAKSP TYPE STRING,
FKARV TYPE STRING,
FKSAF TYPE STRING,
PERIO TYPE STRING,
FPLAE TYPE STRING,
MLSTN TYPE STRING,
MLBEZ TYPE STRING,
ZTERM TYPE STRING,
KUNRG TYPE STRING,
TAXK1 TYPE STRING,
TAXK2 TYPE STRING,
TAXK3 TYPE STRING,
TAXK4 TYPE STRING,
TAXK5 TYPE STRING,
TAXK6 TYPE STRING,
TAXK7 TYPE STRING,
TAXK8 TYPE STRING,
TAXK9 TYPE STRING,
VALTG TYPE STRING,
VALDT TYPE STRING,
NFDAT TYPE STRING,
TEMAN TYPE STRING,
FAKCA TYPE STRING,
AFDAT TYPE STRING,
NETWR TYPE STRING,
NETPR TYPE STRING,
WAVWR TYPE STRING,
KZWI1 TYPE STRING,
KZWI2 TYPE STRING,
KZWI3 TYPE STRING,
KZWI4 TYPE STRING,
KZWI5 TYPE STRING,
KZWI6 TYPE STRING,
CMPRE TYPE STRING,
SKFBP TYPE STRING,
BONBA TYPE STRING,
PRSOK TYPE STRING,
TYPZM TYPE STRING,
CMPRE_FLT TYPE STRING,
UELNR TYPE STRING,
UELTR TYPE STRING,
KURRF TYPE STRING,
CCACT TYPE STRING,
KORTE TYPE STRING,
OFKDAT TYPE STRING,
DESCR TYPE STRING,
POSTPR TYPE STRING,
REFDOC TYPE STRING,
SET_BY_FINAL TYPE STRING,
ITEM_USAGE TYPE STRING,
DB_KEY TYPE STRING,
PARENT_KEY TYPE STRING,
_DATAAGING TYPE STRING,
AD04FAREG TYPE STRING,
PEROP_BEG TYPE STRING,
PEROP_END TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FPLT_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_FPLT_STR-MANDT sy-vline 
WA_FPLT_STR-FPLNR sy-vline 
WA_FPLT_STR-FPLTR sy-vline 
WA_FPLT_STR-FPTTP sy-vline 
WA_FPLT_STR-TETXT sy-vline 
WA_FPLT_STR-FKDAT sy-vline 
WA_FPLT_STR-FPFIX sy-vline 
WA_FPLT_STR-FAREG sy-vline 
WA_FPLT_STR-FPROZ sy-vline 
WA_FPLT_STR-WAERS sy-vline 
WA_FPLT_STR-KURFP sy-vline 
WA_FPLT_STR-FAKWR sy-vline 
WA_FPLT_STR-FAKSP sy-vline 
WA_FPLT_STR-FKARV sy-vline 
WA_FPLT_STR-FKSAF sy-vline 
WA_FPLT_STR-PERIO sy-vline 
WA_FPLT_STR-FPLAE sy-vline 
WA_FPLT_STR-MLSTN sy-vline 
WA_FPLT_STR-MLBEZ sy-vline 
WA_FPLT_STR-ZTERM sy-vline 
WA_FPLT_STR-KUNRG sy-vline 
WA_FPLT_STR-TAXK1 sy-vline 
WA_FPLT_STR-TAXK2 sy-vline 
WA_FPLT_STR-TAXK3 sy-vline 
WA_FPLT_STR-TAXK4 sy-vline 
WA_FPLT_STR-TAXK5 sy-vline 
WA_FPLT_STR-TAXK6 sy-vline 
WA_FPLT_STR-TAXK7 sy-vline 
WA_FPLT_STR-TAXK8 sy-vline 
WA_FPLT_STR-TAXK9 sy-vline 
WA_FPLT_STR-VALTG sy-vline 
WA_FPLT_STR-VALDT sy-vline 
WA_FPLT_STR-NFDAT sy-vline 
WA_FPLT_STR-TEMAN sy-vline 
WA_FPLT_STR-FAKCA sy-vline 
WA_FPLT_STR-AFDAT sy-vline 
WA_FPLT_STR-NETWR sy-vline 
WA_FPLT_STR-NETPR sy-vline 
WA_FPLT_STR-WAVWR sy-vline 
WA_FPLT_STR-KZWI1 sy-vline 
WA_FPLT_STR-KZWI2 sy-vline 
WA_FPLT_STR-KZWI3 sy-vline 
WA_FPLT_STR-KZWI4 sy-vline 
WA_FPLT_STR-KZWI5 sy-vline 
WA_FPLT_STR-KZWI6 sy-vline 
WA_FPLT_STR-CMPRE sy-vline 
WA_FPLT_STR-SKFBP sy-vline 
WA_FPLT_STR-BONBA sy-vline 
WA_FPLT_STR-PRSOK sy-vline 
WA_FPLT_STR-TYPZM sy-vline 
WA_FPLT_STR-CMPRE_FLT sy-vline 
WA_FPLT_STR-UELNR sy-vline 
WA_FPLT_STR-UELTR sy-vline 
WA_FPLT_STR-KURRF sy-vline 
WA_FPLT_STR-CCACT sy-vline 
WA_FPLT_STR-KORTE sy-vline 
WA_FPLT_STR-OFKDAT sy-vline 
WA_FPLT_STR-DESCR sy-vline 
WA_FPLT_STR-POSTPR sy-vline 
WA_FPLT_STR-REFDOC sy-vline 
WA_FPLT_STR-SET_BY_FINAL sy-vline 
WA_FPLT_STR-ITEM_USAGE sy-vline 
WA_FPLT_STR-DB_KEY sy-vline 
WA_FPLT_STR-PARENT_KEY sy-vline 
WA_FPLT_STR-_DATAAGING sy-vline 
WA_FPLT_STR-AD04FAREG sy-vline 
WA_FPLT_STR-PEROP_BEG sy-vline 
WA_FPLT_STR-PEROP_END sy-vline      INTO ld_text SEPARATED BY SPACE.

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