ABAP Select data from SAP table PTP_TGDYN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PTP_TGDYN
*  INTO TABLE @DATA(IT_PTP_TGDYN2).
*--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_PTP_TGDYN INDEX 1 INTO DATA(WA_PTP_TGDYN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PTP_TGDYN>-COST_WEG_UNT_REAL = 1.
<PTP_TGDYN>-ERST_KM_FA_REAL = 1.
<PTP_TGDYN>-KM_GEFAHREN_REAL = 1.
<PTP_TGDYN>-COST_WEG_GL_REAL = 1.
<PTP_TGDYN>-COST_FAHRTK_REAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PTP_TGDYN-COST_UNT_REAL, sy-vline,
  WA_PTP_TGDYN-COST_TAG_REAL, sy-vline,
  WA_PTP_TGDYN-COST_GESAMT_REAL, sy-vline,
  WA_PTP_TGDYN-KUERZUNG_REAL, sy-vline,
  WA_PTP_TGDYN-ERST_FAHRTK_GES_REAL, sy-vline,
  WA_PTP_TGDYN-TG_TR_VERPA, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PTP_TGDYN 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_PTP_TGDYN 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_PTP_TGDYN INTO WA_PTP_TGDYN.


*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_PTP_TGDYN_STR, 
COST_WEG_UNT_REAL TYPE STRING,
ERST_KM_FA_REAL TYPE STRING,
KM_GEFAHREN_REAL TYPE STRING,
COST_WEG_GL_REAL TYPE STRING,
COST_FAHRTK_REAL TYPE STRING,
COST_UNT_REAL TYPE STRING,
COST_TAG_REAL TYPE STRING,
COST_GESAMT_REAL TYPE STRING,
KUERZUNG_REAL TYPE STRING,
ERST_FAHRTK_GES_REAL TYPE STRING,
TG_TR_VERPA TYPE STRING,
TG_TR_UEBKZ TYPE STRING,
ANZ_TG_TR_VPZ TYPE STRING,
ANZ_TG_TR_UBZ TYPE STRING,
VU_EA_GES_BETRAG TYPE STRING,
NU_EA_GES_BETRAG TYPE STRING,
GL_KM_SATZ TYPE STRING,
UNT_KM_SATZ TYPE STRING,
ERST_GESAMT_REAL TYPE STRING,
ERST_DA_TG TYPE STRING,
ERST_DA_UEGELD TYPE STRING,
ERST_DR_TG TYPE STRING,
DAT_TRG_BEGIN TYPE STRING,
DAT_TRG_END TYPE STRING,
ERST_TRG_TG TYPE STRING,
DAT_TTG_BEGIN TYPE STRING,
DAT_TTG_END TYPE STRING,
ERST_TTG_TG TYPE STRING,
KAPP_WEGSTRECKE TYPE STRING,
DAT_TRG_BEGIN_REAL TYPE STRING,
DAT_TRG_END_REAL TYPE STRING,
DAT_TTG_BEGIN_REAL TYPE STRING,
DAT_TTG_END_REAL TYPE STRING,
ERST_TRG_TG_REAL TYPE STRING,
ERST_TRG_UEGELD_REAL TYPE STRING,
ERST_TTG_TG_REAL TYPE STRING,
FIK_KAPP_WEGSTRECKE TYPE STRING,
FIK_COST_TAG TYPE STRING,
FIK_EIGENANTEIL TYPE STRING,
FIK_WEGSTRECKEN TYPE STRING,
FIK_COST_WEG TYPE STRING,
MAX_AMOUNT TYPE STRING,
VERPF_ZUSCH TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PTP_TGDYN_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_PTP_TGDYN_STR-COST_WEG_UNT_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_KM_FA_REAL sy-vline 
WA_PTP_TGDYN_STR-KM_GEFAHREN_REAL sy-vline 
WA_PTP_TGDYN_STR-COST_WEG_GL_REAL sy-vline 
WA_PTP_TGDYN_STR-COST_FAHRTK_REAL sy-vline 
WA_PTP_TGDYN_STR-COST_UNT_REAL sy-vline 
WA_PTP_TGDYN_STR-COST_TAG_REAL sy-vline 
WA_PTP_TGDYN_STR-COST_GESAMT_REAL sy-vline 
WA_PTP_TGDYN_STR-KUERZUNG_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_FAHRTK_GES_REAL sy-vline 
WA_PTP_TGDYN_STR-TG_TR_VERPA sy-vline 
WA_PTP_TGDYN_STR-TG_TR_UEBKZ sy-vline 
WA_PTP_TGDYN_STR-ANZ_TG_TR_VPZ sy-vline 
WA_PTP_TGDYN_STR-ANZ_TG_TR_UBZ sy-vline 
WA_PTP_TGDYN_STR-VU_EA_GES_BETRAG sy-vline 
WA_PTP_TGDYN_STR-NU_EA_GES_BETRAG sy-vline 
WA_PTP_TGDYN_STR-GL_KM_SATZ sy-vline 
WA_PTP_TGDYN_STR-UNT_KM_SATZ sy-vline 
WA_PTP_TGDYN_STR-ERST_GESAMT_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_DA_TG sy-vline 
WA_PTP_TGDYN_STR-ERST_DA_UEGELD sy-vline 
WA_PTP_TGDYN_STR-ERST_DR_TG sy-vline 
WA_PTP_TGDYN_STR-DAT_TRG_BEGIN sy-vline 
WA_PTP_TGDYN_STR-DAT_TRG_END sy-vline 
WA_PTP_TGDYN_STR-ERST_TRG_TG sy-vline 
WA_PTP_TGDYN_STR-DAT_TTG_BEGIN sy-vline 
WA_PTP_TGDYN_STR-DAT_TTG_END sy-vline 
WA_PTP_TGDYN_STR-ERST_TTG_TG sy-vline 
WA_PTP_TGDYN_STR-KAPP_WEGSTRECKE sy-vline 
WA_PTP_TGDYN_STR-DAT_TRG_BEGIN_REAL sy-vline 
WA_PTP_TGDYN_STR-DAT_TRG_END_REAL sy-vline 
WA_PTP_TGDYN_STR-DAT_TTG_BEGIN_REAL sy-vline 
WA_PTP_TGDYN_STR-DAT_TTG_END_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_TRG_TG_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_TRG_UEGELD_REAL sy-vline 
WA_PTP_TGDYN_STR-ERST_TTG_TG_REAL sy-vline 
WA_PTP_TGDYN_STR-FIK_KAPP_WEGSTRECKE sy-vline 
WA_PTP_TGDYN_STR-FIK_COST_TAG sy-vline 
WA_PTP_TGDYN_STR-FIK_EIGENANTEIL sy-vline 
WA_PTP_TGDYN_STR-FIK_WEGSTRECKEN sy-vline 
WA_PTP_TGDYN_STR-FIK_COST_WEG sy-vline 
WA_PTP_TGDYN_STR-MAX_AMOUNT sy-vline 
WA_PTP_TGDYN_STR-VERPF_ZUSCH sy-vline      INTO ld_text SEPARATED BY SPACE.

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