ABAP Select data from SAP table /ISDFPS/TLUPS_PLFL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /ISDFPS/TLUPS_PLFL
*  INTO TABLE @DATA(IT_/ISDFPS/TLUPS_PLFL2).
*--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_/ISDFPS/TLUPS_PLFL INDEX 1 INTO DATA(WA_/ISDFPS/TLUPS_PLFL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</ISDFPS/TLUPS_PLFL>-MANDT = 1.
</ISDFPS/TLUPS_PLFL>-PLNTY = 1.
</ISDFPS/TLUPS_PLFL>-PLNNR = 1.
</ISDFPS/TLUPS_PLFL>-PLNAL = 1.
</ISDFPS/TLUPS_PLFL>-PLNFL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/ISDFPS/TLUPS_PLFL-ZAEHL, sy-vline,
  WA_/ISDFPS/TLUPS_PLFL-DATUV, sy-vline,
  WA_/ISDFPS/TLUPS_PLFL-TECHV, sy-vline,
  WA_/ISDFPS/TLUPS_PLFL-AENNR, sy-vline,
  WA_/ISDFPS/TLUPS_PLFL-LOEKZ, sy-vline,
  WA_/ISDFPS/TLUPS_PLFL-PARKZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/ISDFPS/TLUPS_PLFL 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_/ISDFPS/TLUPS_PLFL 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_/ISDFPS/TLUPS_PLFL INTO WA_/ISDFPS/TLUPS_PLFL.


*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 PLNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/TLUPS_PLFL-PLNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/TLUPS_PLFL-PLNNR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ISOLA, internal->external for field TXTSP
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/TLUPS_PLFL-TXTSP
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/TLUPS_PLFL-TXTSP.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field VERSN_SOURCE_PLNFL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/ISDFPS/TLUPS_PLFL-VERSN_SOURCE_PLNFL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/ISDFPS/TLUPS_PLFL-VERSN_SOURCE_PLNFL.
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_/ISDFPS/TLUPS_PLFL_STR, 
MANDT TYPE STRING,
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
PLNFL TYPE STRING,
ZAEHL TYPE STRING,
DATUV TYPE STRING,
TECHV TYPE STRING,
AENNR TYPE STRING,
LOEKZ TYPE STRING,
PARKZ TYPE STRING,
ANDAT TYPE STRING,
ANNAM TYPE STRING,
AEDAT TYPE STRING,
AENAM TYPE STRING,
FLGAT TYPE STRING,
BEZFL TYPE STRING,
BKNT1 TYPE STRING,
BKNT2 TYPE STRING,
LTXA1 TYPE STRING,
TXTSP TYPE STRING,
LOSVN TYPE STRING,
LOSBS TYPE STRING,
BSCHL1 TYPE STRING,
BSCHL2 TYPE STRING,
AUSCHL TYPE STRING,
KNOBJ TYPE STRING,
VALID_TO TYPE STRING,
LOEKZ_INHERITED TYPE STRING,
VERSN TYPE STRING,
VERSN_SOURCE TYPE STRING,
VERSN_SOURCE_PLNFL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/ISDFPS/TLUPS_PLFL_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_/ISDFPS/TLUPS_PLFL_STR-MANDT sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-PLNTY sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-PLNNR sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-PLNAL sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-PLNFL sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-ZAEHL sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-DATUV sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-TECHV sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-AENNR sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-LOEKZ sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-PARKZ sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-ANDAT sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-ANNAM sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-AEDAT sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-AENAM sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-FLGAT sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-BEZFL sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-BKNT1 sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-BKNT2 sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-LTXA1 sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-TXTSP sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-LOSVN sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-LOSBS sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-BSCHL1 sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-BSCHL2 sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-AUSCHL sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-KNOBJ sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-VALID_TO sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-LOEKZ_INHERITED sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-VERSN sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-VERSN_SOURCE sy-vline 
WA_/ISDFPS/TLUPS_PLFL_STR-VERSN_SOURCE_PLNFL sy-vline      INTO ld_text SEPARATED BY SPACE.

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