ABAP Select data from SAP table PAYTR_SSKIN into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PAYTR_SSKIN 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_SSKIN. 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_SSKIN 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_SSKIN TYPE STANDARD TABLE OF PAYTR_SSKIN,
      WA_PAYTR_SSKIN TYPE PAYTR_SSKIN,
      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_SSKIN> TYPE PAYTR_SSKIN.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAYTR_SSKIN
*  INTO TABLE @DATA(IT_PAYTR_SSKIN2).
*--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_SSKIN INDEX 1 INTO DATA(WA_PAYTR_SSKIN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAYTR_SSKIN>-PERMO = 1.
<PAYTR_SSKIN>-PRDNM = 1.
<PAYTR_SSKIN>-PRDYR = 1.
<PAYTR_SSKIN>-TPNIP = 1.
<PAYTR_SSKIN>-BPBTR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAYTR_SSKIN-AUNPA, sy-vline,
  WA_PAYTR_SSKIN-SSNDY, sy-vline,
  WA_PAYTR_SSKIN-AANLE, sy-vline,
  WA_PAYTR_SSKIN-AHOLI, sy-vline,
  WA_PAYTR_SSKIN-SSKAB, sy-vline,
  WA_PAYTR_SSKIN-ISYAB, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAYTR_SSKIN 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_SSKIN 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_SSKIN INTO WA_PAYTR_SSKIN.


*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 GJAHR, internal->external for field PRDYR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PAYTR_SSKIN-PRDYR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAYTR_SSKIN-PRDYR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PAYTR_SSKIN-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAYTR_SSKIN-GBDAT.
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_PAYTR_SSKIN_STR, 
PERMO TYPE STRING,
PRDNM TYPE STRING,
PRDYR TYPE STRING,
TPNIP TYPE STRING,
BPBTR TYPE STRING,
AUNPA TYPE STRING,
SSNDY TYPE STRING,
AANLE TYPE STRING,
AHOLI TYPE STRING,
SSKAB TYPE STRING,
ISYAB TYPE STRING,
NITYP TYPE STRING,
LEAV_DATE TYPE STRING,
PDATE TYPE STRING,
EINTR TYPE STRING,
AUSTR TYPE STRING,
WERKS TYPE STRING,
BTRTL TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
APZNR TYPE STRING,
SSGRP TYPE STRING,
GESCH TYPE STRING,
TR9UBT TYPE STRING,
TR9KTG TYPE STRING,
TR9BZU TYPE STRING,
TR9NDY TYPE STRING,
TR9TAL TYPE STRING,
TR9THO TYPE STRING,
UCRIZ TYPE STRING,
KANUN TYPE STRING,
ARAKN TYPE STRING,
BKODU TYPE STRING,
GUNDE TYPE STRING,
TMATR TYPE STRING,
TMDEV TYPE STRING,
TPDEV TYPE STRING,
TSGUN TYPE STRING,
TSGMK TYPE STRING,
TMUAF TYPE STRING,
SSPLT TYPE STRING,
KDHL1 TYPE STRING,
KDHL2 TYPE STRING,
GCCMD TYPE STRING,
GBDAT TYPE STRING,
HDATE TYPE STRING,
SSKOD TYPE STRING,
UCRET TYPE STRING,
MFARK TYPE STRING,
PERNR TYPE STRING,
IS_AY TYPE STRING,
IEGUI TYPE STRING,
ASUCC TYPE STRING,
WTKCO TYPE STRING,
ADKNT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAYTR_SSKIN_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_SSKIN_STR-PERMO sy-vline 
WA_PAYTR_SSKIN_STR-PRDNM sy-vline 
WA_PAYTR_SSKIN_STR-PRDYR sy-vline 
WA_PAYTR_SSKIN_STR-TPNIP sy-vline 
WA_PAYTR_SSKIN_STR-BPBTR sy-vline 
WA_PAYTR_SSKIN_STR-AUNPA sy-vline 
WA_PAYTR_SSKIN_STR-SSNDY sy-vline 
WA_PAYTR_SSKIN_STR-AANLE sy-vline 
WA_PAYTR_SSKIN_STR-AHOLI sy-vline 
WA_PAYTR_SSKIN_STR-SSKAB sy-vline 
WA_PAYTR_SSKIN_STR-ISYAB sy-vline 
WA_PAYTR_SSKIN_STR-NITYP sy-vline 
WA_PAYTR_SSKIN_STR-LEAV_DATE sy-vline 
WA_PAYTR_SSKIN_STR-PDATE sy-vline 
WA_PAYTR_SSKIN_STR-EINTR sy-vline 
WA_PAYTR_SSKIN_STR-AUSTR sy-vline 
WA_PAYTR_SSKIN_STR-WERKS sy-vline 
WA_PAYTR_SSKIN_STR-BTRTL sy-vline 
WA_PAYTR_SSKIN_STR-PERSG sy-vline 
WA_PAYTR_SSKIN_STR-PERSK sy-vline 
WA_PAYTR_SSKIN_STR-BEGDA sy-vline 
WA_PAYTR_SSKIN_STR-ENDDA sy-vline 
WA_PAYTR_SSKIN_STR-APZNR sy-vline 
WA_PAYTR_SSKIN_STR-SSGRP sy-vline 
WA_PAYTR_SSKIN_STR-GESCH sy-vline 
WA_PAYTR_SSKIN_STR-TR9UBT sy-vline 
WA_PAYTR_SSKIN_STR-TR9KTG sy-vline 
WA_PAYTR_SSKIN_STR-TR9BZU sy-vline 
WA_PAYTR_SSKIN_STR-TR9NDY sy-vline 
WA_PAYTR_SSKIN_STR-TR9TAL sy-vline 
WA_PAYTR_SSKIN_STR-TR9THO sy-vline 
WA_PAYTR_SSKIN_STR-UCRIZ sy-vline 
WA_PAYTR_SSKIN_STR-KANUN sy-vline 
WA_PAYTR_SSKIN_STR-ARAKN sy-vline 
WA_PAYTR_SSKIN_STR-BKODU sy-vline 
WA_PAYTR_SSKIN_STR-GUNDE sy-vline 
WA_PAYTR_SSKIN_STR-TMATR sy-vline 
WA_PAYTR_SSKIN_STR-TMDEV sy-vline 
WA_PAYTR_SSKIN_STR-TPDEV sy-vline 
WA_PAYTR_SSKIN_STR-TSGUN sy-vline 
WA_PAYTR_SSKIN_STR-TSGMK sy-vline 
WA_PAYTR_SSKIN_STR-TMUAF sy-vline 
WA_PAYTR_SSKIN_STR-SSPLT sy-vline 
WA_PAYTR_SSKIN_STR-KDHL1 sy-vline 
WA_PAYTR_SSKIN_STR-KDHL2 sy-vline 
WA_PAYTR_SSKIN_STR-GCCMD sy-vline 
WA_PAYTR_SSKIN_STR-GBDAT sy-vline 
WA_PAYTR_SSKIN_STR-HDATE sy-vline 
WA_PAYTR_SSKIN_STR-SSKOD sy-vline 
WA_PAYTR_SSKIN_STR-UCRET sy-vline 
WA_PAYTR_SSKIN_STR-MFARK sy-vline 
WA_PAYTR_SSKIN_STR-PERNR sy-vline 
WA_PAYTR_SSKIN_STR-IS_AY sy-vline 
WA_PAYTR_SSKIN_STR-IEGUI sy-vline 
WA_PAYTR_SSKIN_STR-ASUCC sy-vline 
WA_PAYTR_SSKIN_STR-WTKCO sy-vline 
WA_PAYTR_SSKIN_STR-ADKNT sy-vline      INTO ld_text SEPARATED BY SPACE.

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