ABAP Select data from SAP table PTP68 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PTP68 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 PTP68. 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 PTP68 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_PTP68 TYPE STANDARD TABLE OF PTP68,
      WA_PTP68 TYPE PTP68,
      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: <PTP68> TYPE PTP68.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PTP68.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PTP68
  INTO TABLE IT_PTP68.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTP68
*  INTO TABLE @DATA(IT_PTP682).
*--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_PTP68 INDEX 1 INTO DATA(WA_PTP682).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PTP68 ASSIGNING <PTP68>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTP68>-BUKRS = 1.
<PTP68>-KOSTL = 1.
<PTP68>-GSBER = 1.
<PTP68>-AUFNR = 1.
<PTP68>-POSNR = 1.

ENDLOOP.

LOOP AT IT_PTP68 INTO WA_PTP68.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTP68-NPLNR, sy-vline,
  WA_PTP68-VORNR, sy-vline,
  WA_PTP68-FIPOS, sy-vline,
  WA_PTP68-GEBER, sy-vline,
  WA_PTP68-FISTL, sy-vline,
  WA_PTP68-KMGES, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTP68 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_PTP68 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_PTP68 INTO WA_PTP68.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AUFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-AUFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-AUFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ABPSP, internal->external for field POSNR
CALL FUNCTION 'CONVERSION_EXIT_ABPSP_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-POSNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-POSNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field NPLNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-NPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-NPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit NUMCV, internal->external for field VORNR
CALL FUNCTION 'CONVERSION_EXIT_NUMCV_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-VORNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-VORNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field FIPOS
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_PTP68-FIPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PTP68-FIPOS.
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_PTP68_STR, 
BUKRS TYPE STRING,
KOSTL TYPE STRING,
GSBER TYPE STRING,
AUFNR TYPE STRING,
POSNR TYPE STRING,
NPLNR TYPE STRING,
VORNR TYPE STRING,
FIPOS TYPE STRING,
GEBER TYPE STRING,
FISTL TYPE STRING,
KMGES TYPE STRING,
KMINL TYPE STRING,
AZMIT TYPE STRING,
KGGEP TYPE STRING,
BETPA TYPE STRING,
KZPMF TYPE STRING,
PKWKL TYPE STRING,
ERKLA TYPE STRING,
ERGRU TYPE STRING,
PRIVP TYPE STRING,
DATVO TYPE STRING,
DATBI TYPE STRING,
DATV1 TYPE STRING,
DATB1 TYPE STRING,
UHRV1 TYPE STRING,
UHRB1 TYPE STRING,
APPTX TYPE STRING,
ACCTX TYPE STRING,
PAYTX TYPE STRING,
FINTX TYPE STRING,
DTATX TYPE STRING,
DRUTX TYPE STRING,
OVREC TYPE STRING,
OVLMS TYPE STRING,
MAXAM TYPE STRING,
REBAM TYPE STRING,
REBCU TYPE STRING,
RECUT TYPE STRING,
REBAL TYPE STRING,
NRREC TYPE STRING,
NROVN TYPE STRING,
OVNBR TYPE STRING,
MITFL TYPE STRING,
VBELG TYPE STRING,
TGELD TYPE STRING,
TZSCH TYPE STRING,
GERST TYPE STRING,
VOSCH TYPE STRING,
SVSCH TYPE STRING,
VPROZ TYPE STRING,
ANTEIL TYPE STRING,
ABFDI TYPE STRING,
ABFWO TYPE STRING,
TRGNR TYPE STRING,
TRG_STATUSTEXT TYPE STRING,
ANKDI TYPE STRING,
ANKWO TYPE STRING,
CATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTP68_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_PTP68_STR-BUKRS sy-vline 
WA_PTP68_STR-KOSTL sy-vline 
WA_PTP68_STR-GSBER sy-vline 
WA_PTP68_STR-AUFNR sy-vline 
WA_PTP68_STR-POSNR sy-vline 
WA_PTP68_STR-NPLNR sy-vline 
WA_PTP68_STR-VORNR sy-vline 
WA_PTP68_STR-FIPOS sy-vline 
WA_PTP68_STR-GEBER sy-vline 
WA_PTP68_STR-FISTL sy-vline 
WA_PTP68_STR-KMGES sy-vline 
WA_PTP68_STR-KMINL sy-vline 
WA_PTP68_STR-AZMIT sy-vline 
WA_PTP68_STR-KGGEP sy-vline 
WA_PTP68_STR-BETPA sy-vline 
WA_PTP68_STR-KZPMF sy-vline 
WA_PTP68_STR-PKWKL sy-vline 
WA_PTP68_STR-ERKLA sy-vline 
WA_PTP68_STR-ERGRU sy-vline 
WA_PTP68_STR-PRIVP sy-vline 
WA_PTP68_STR-DATVO sy-vline 
WA_PTP68_STR-DATBI sy-vline 
WA_PTP68_STR-DATV1 sy-vline 
WA_PTP68_STR-DATB1 sy-vline 
WA_PTP68_STR-UHRV1 sy-vline 
WA_PTP68_STR-UHRB1 sy-vline 
WA_PTP68_STR-APPTX sy-vline 
WA_PTP68_STR-ACCTX sy-vline 
WA_PTP68_STR-PAYTX sy-vline 
WA_PTP68_STR-FINTX sy-vline 
WA_PTP68_STR-DTATX sy-vline 
WA_PTP68_STR-DRUTX sy-vline 
WA_PTP68_STR-OVREC sy-vline 
WA_PTP68_STR-OVLMS sy-vline 
WA_PTP68_STR-MAXAM sy-vline 
WA_PTP68_STR-REBAM sy-vline 
WA_PTP68_STR-REBCU sy-vline 
WA_PTP68_STR-RECUT sy-vline 
WA_PTP68_STR-REBAL sy-vline 
WA_PTP68_STR-NRREC sy-vline 
WA_PTP68_STR-NROVN sy-vline 
WA_PTP68_STR-OVNBR sy-vline 
WA_PTP68_STR-MITFL sy-vline 
WA_PTP68_STR-VBELG sy-vline 
WA_PTP68_STR-TGELD sy-vline 
WA_PTP68_STR-TZSCH sy-vline 
WA_PTP68_STR-GERST sy-vline 
WA_PTP68_STR-VOSCH sy-vline 
WA_PTP68_STR-SVSCH sy-vline 
WA_PTP68_STR-VPROZ sy-vline 
WA_PTP68_STR-ANTEIL sy-vline 
WA_PTP68_STR-ABFDI sy-vline 
WA_PTP68_STR-ABFWO sy-vline 
WA_PTP68_STR-TRGNR sy-vline 
WA_PTP68_STR-TRG_STATUSTEXT sy-vline 
WA_PTP68_STR-ANKDI sy-vline 
WA_PTP68_STR-ANKWO sy-vline 
WA_PTP68_STR-CATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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