ABAP Select data from SAP table CNV_PE_S_S4_TL_PRT into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP CNV_PE_S_S4_TL_PRT 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 CNV_PE_S_S4_TL_PRT. 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 CNV_PE_S_S4_TL_PRT 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_CNV_PE_S_S4_TL_PRT TYPE STANDARD TABLE OF CNV_PE_S_S4_TL_PRT,
      WA_CNV_PE_S_S4_TL_PRT TYPE CNV_PE_S_S4_TL_PRT,
      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: <CNV_PE_S_S4_TL_PRT> TYPE CNV_PE_S_S4_TL_PRT.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_CNV_PE_S_S4_TL_PRT.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM CNV_PE_S_S4_TL_PRT
  INTO TABLE IT_CNV_PE_S_S4_TL_PRT.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CNV_PE_S_S4_TL_PRT
*  INTO TABLE @DATA(IT_CNV_PE_S_S4_TL_PRT2).
*--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_CNV_PE_S_S4_TL_PRT INDEX 1 INTO DATA(WA_CNV_PE_S_S4_TL_PRT2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_CNV_PE_S_S4_TL_PRT ASSIGNING <CNV_PE_S_S4_TL_PRT>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CNV_PE_S_S4_TL_PRT>-PLNTY = 1.
<CNV_PE_S_S4_TL_PRT>-PLNNR = 1.
<CNV_PE_S_S4_TL_PRT>-PLNAL = 1.
<CNV_PE_S_S4_TL_PRT>-PZLFH = 1.
<CNV_PE_S_S4_TL_PRT>-PLNKN = 1.

ENDLOOP.

LOOP AT IT_CNV_PE_S_S4_TL_PRT INTO WA_CNV_PE_S_S4_TL_PRT.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CNV_PE_S_S4_TL_PRT-VORNR, sy-vline,
  WA_CNV_PE_S_S4_TL_PRT-PSNFH, sy-vline,
  WA_CNV_PE_S_S4_TL_PRT-STEUF, sy-vline,
  WA_CNV_PE_S_S4_TL_PRT-OFFSTB, sy-vline,
  WA_CNV_PE_S_S4_TL_PRT-EHOFFB, sy-vline,
  WA_CNV_PE_S_S4_TL_PRT-CF_KZSVS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CNV_PE_S_S4_TL_PRT 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_CNV_PE_S_S4_TL_PRT 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_CNV_PE_S_S4_TL_PRT INTO WA_CNV_PE_S_S4_TL_PRT.


*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_CNV_PE_S_S4_TL_PRT_STR, 
PLNTY TYPE STRING,
PLNNR TYPE STRING,
PLNAL TYPE STRING,
PZLFH TYPE STRING,
PLNKN TYPE STRING,
VORNR TYPE STRING,
PSNFH TYPE STRING,
STEUF TYPE STRING,
OFFSTB TYPE STRING,
EHOFFB TYPE STRING,
CF_KZSVS TYPE STRING,
CF_KZSVE TYPE STRING,
OFFSTE TYPE STRING,
EHOFFE TYPE STRING,
CF_KZEVS TYPE STRING,
CF_KZEVE TYPE STRING,
MGEINH TYPE STRING,
MGVGW TYPE STRING,
MGFORM TYPE STRING,
EWEINH TYPE STRING,
EWVGW TYPE STRING,
EWFORM TYPE STRING,
KTSCH TYPE STRING,
TXTZ1 TYPE STRING,
FHMAR TYPE STRING,
FHWRK TYPE STRING,
MATNR TYPE STRING,
SFHNR TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKTL TYPE STRING,
DOKVR TYPE STRING,
EQUNR TYPE STRING,
EQPNT TYPE STRING,
ZAEHL TYPE STRING,
AENNR TYPE STRING,
DATUV TYPE STRING,
LOEKZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CNV_PE_S_S4_TL_PRT_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_CNV_PE_S_S4_TL_PRT_STR-PLNTY sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-PLNNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-PLNAL sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-PZLFH sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-PLNKN sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-VORNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-PSNFH sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-STEUF sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-OFFSTB sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EHOFFB sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-CF_KZSVS sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-CF_KZSVE sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-OFFSTE sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EHOFFE sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-CF_KZEVS sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-CF_KZEVE sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-MGEINH sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-MGVGW sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-MGFORM sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EWEINH sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EWVGW sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EWFORM sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-KTSCH sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-TXTZ1 sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-FHMAR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-FHWRK sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-MATNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-SFHNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-DOKAR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-DOKNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-DOKTL sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-DOKVR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EQUNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-EQPNT sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-ZAEHL sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-AENNR sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-DATUV sy-vline 
WA_CNV_PE_S_S4_TL_PRT_STR-LOEKZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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