ABAP Select data from SAP table PTPPD_APPEND into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTPPD_APPEND
*  INTO TABLE @DATA(IT_PTPPD_APPEND2).
*--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_PTPPD_APPEND INDEX 1 INTO DATA(WA_PTPPD_APPEND2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTPPD_APPEND>-TR_DOPP_ANZAHL = 1.
<PTPPD_APPEND>-TR_EINF_ANZAHL = 1.
<PTPPD_APPEND>-TR_ENTFERNUNG = 1.
<PTPPD_APPEND>-VU_EA_DOPP_ANZ = 1.
<PTPPD_APPEND>-VU_EA_EINF_ANZ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTPPD_APPEND-VU_EA_ENTFERN, sy-vline,
  WA_PTPPD_APPEND-VU_EA_KM_SATZ, sy-vline,
  WA_PTPPD_APPEND-NU_EA_DOPP_ANZ, sy-vline,
  WA_PTPPD_APPEND-NU_EA_EINF_ANZ, sy-vline,
  WA_PTPPD_APPEND-NU_EA_ENTFERN, sy-vline,
  WA_PTPPD_APPEND-NU_EA_KM_SATZ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTPPD_APPEND 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_PTPPD_APPEND 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_PTPPD_APPEND INTO WA_PTPPD_APPEND.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PTPPD_APPEND_STR, 
TR_DOPP_ANZAHL TYPE STRING,
TR_EINF_ANZAHL TYPE STRING,
TR_ENTFERNUNG TYPE STRING,
VU_EA_DOPP_ANZ TYPE STRING,
VU_EA_EINF_ANZ TYPE STRING,
VU_EA_ENTFERN TYPE STRING,
VU_EA_KM_SATZ TYPE STRING,
NU_EA_DOPP_ANZ TYPE STRING,
NU_EA_EINF_ANZ TYPE STRING,
NU_EA_ENTFERN TYPE STRING,
NU_EA_KM_SATZ TYPE STRING,
V_UNENTGELTLICH TYPE STRING,
U_UNENTGELTLICH TYPE STRING,
REDUC_ERGRU TYPE STRING,
NOT_PAID TYPE STRING,
WEG_ERH_MAX TYPE STRING,
ERH_DIENST_INT TYPE STRING,
ENTF_WO_DO TYPE STRING,
DRITTMITTEL TYPE STRING,
ANTRAG_GWE TYPE STRING,
POLICY_VIOLATION TYPE STRING,
EXCEPTION_FLAG TYPE STRING,
NR_RECEIPTS TYPE STRING,
PERM_TRIP_APPR TYPE STRING,
TR_NR_FROM_HOME TYPE STRING,
VAT_STATUS TYPE STRING,
EST_COST_PLAN TYPE STRING,
EST_COST_REQ TYPE STRING,
REASON TYPE STRING,
LSTAY_ACC TYPE STRING,
EXCL_PERIOD_EXC TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTPPD_APPEND_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_PTPPD_APPEND_STR-TR_DOPP_ANZAHL sy-vline 
WA_PTPPD_APPEND_STR-TR_EINF_ANZAHL sy-vline 
WA_PTPPD_APPEND_STR-TR_ENTFERNUNG sy-vline 
WA_PTPPD_APPEND_STR-VU_EA_DOPP_ANZ sy-vline 
WA_PTPPD_APPEND_STR-VU_EA_EINF_ANZ sy-vline 
WA_PTPPD_APPEND_STR-VU_EA_ENTFERN sy-vline 
WA_PTPPD_APPEND_STR-VU_EA_KM_SATZ sy-vline 
WA_PTPPD_APPEND_STR-NU_EA_DOPP_ANZ sy-vline 
WA_PTPPD_APPEND_STR-NU_EA_EINF_ANZ sy-vline 
WA_PTPPD_APPEND_STR-NU_EA_ENTFERN sy-vline 
WA_PTPPD_APPEND_STR-NU_EA_KM_SATZ sy-vline 
WA_PTPPD_APPEND_STR-V_UNENTGELTLICH sy-vline 
WA_PTPPD_APPEND_STR-U_UNENTGELTLICH sy-vline 
WA_PTPPD_APPEND_STR-REDUC_ERGRU sy-vline 
WA_PTPPD_APPEND_STR-NOT_PAID sy-vline 
WA_PTPPD_APPEND_STR-WEG_ERH_MAX sy-vline 
WA_PTPPD_APPEND_STR-ERH_DIENST_INT sy-vline 
WA_PTPPD_APPEND_STR-ENTF_WO_DO sy-vline 
WA_PTPPD_APPEND_STR-DRITTMITTEL sy-vline 
WA_PTPPD_APPEND_STR-ANTRAG_GWE sy-vline 
WA_PTPPD_APPEND_STR-POLICY_VIOLATION sy-vline 
WA_PTPPD_APPEND_STR-EXCEPTION_FLAG sy-vline 
WA_PTPPD_APPEND_STR-NR_RECEIPTS sy-vline 
WA_PTPPD_APPEND_STR-PERM_TRIP_APPR sy-vline 
WA_PTPPD_APPEND_STR-TR_NR_FROM_HOME sy-vline 
WA_PTPPD_APPEND_STR-VAT_STATUS sy-vline 
WA_PTPPD_APPEND_STR-EST_COST_PLAN sy-vline 
WA_PTPPD_APPEND_STR-EST_COST_REQ sy-vline 
WA_PTPPD_APPEND_STR-REASON sy-vline 
WA_PTPPD_APPEND_STR-LSTAY_ACC sy-vline 
WA_PTPPD_APPEND_STR-EXCL_PERIOD_EXC sy-vline      INTO ld_text SEPARATED BY SPACE.

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