ABAP Select data from SAP table PAYTR_DTXIN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAYTR_DTXIN
*  INTO TABLE @DATA(IT_PAYTR_DTXIN2).
*--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_PAYTR_DTXIN INDEX 1 INTO DATA(WA_PAYTR_DTXIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAYTR_DTXIN>-MOLGA = 1.
<PAYTR_DTXIN>-SSGRP = 1.
<PAYTR_DTXIN>-PERSG = 1.
<PAYTR_DTXIN>-PERSK = 1.
<PAYTR_DTXIN>-WERKS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAYTR_DTXIN-BTRTL, sy-vline,
  WA_PAYTR_DTXIN-PDATE, sy-vline,
  WA_PAYTR_DTXIN-STAMP, sy-vline,
  WA_PAYTR_DTXIN-BONST, sy-vline,
  WA_PAYTR_DTXIN-STXKE, sy-vline,
  WA_PAYTR_DTXIN-START, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAYTR_DTXIN 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_PAYTR_DTXIN 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_PAYTR_DTXIN INTO WA_PAYTR_DTXIN.


*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_PAYTR_DTXIN_STR, 
MOLGA TYPE STRING,
SSGRP TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PDATE TYPE STRING,
STAMP TYPE STRING,
BONST TYPE STRING,
STXKE TYPE STRING,
START TYPE STRING,
FIRED TYPE STRING,
KANUN TYPE STRING,
AGCIN TYPE STRING,
SSNDY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAYTR_DTXIN_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_PAYTR_DTXIN_STR-MOLGA sy-vline 
WA_PAYTR_DTXIN_STR-SSGRP sy-vline 
WA_PAYTR_DTXIN_STR-PERSG sy-vline 
WA_PAYTR_DTXIN_STR-PERSK sy-vline 
WA_PAYTR_DTXIN_STR-WERKS sy-vline 
WA_PAYTR_DTXIN_STR-BTRTL sy-vline 
WA_PAYTR_DTXIN_STR-PDATE sy-vline 
WA_PAYTR_DTXIN_STR-STAMP sy-vline 
WA_PAYTR_DTXIN_STR-BONST sy-vline 
WA_PAYTR_DTXIN_STR-STXKE sy-vline 
WA_PAYTR_DTXIN_STR-START sy-vline 
WA_PAYTR_DTXIN_STR-FIRED sy-vline 
WA_PAYTR_DTXIN_STR-KANUN sy-vline 
WA_PAYTR_DTXIN_STR-AGCIN sy-vline 
WA_PAYTR_DTXIN_STR-SSNDY sy-vline      INTO ld_text SEPARATED BY SPACE.

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