ABAP Select data from SAP table PSRUKNTRPTDWHLDG into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PSRUKNTRPTDWHLDG
*  INTO TABLE @DATA(IT_PSRUKNTRPTDWHLDG2).
*--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_PSRUKNTRPTDWHLDG INDEX 1 INTO DATA(WA_PSRUKNTRPTDWHLDG2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PSRUKNTRPTDWHLDG>-MANDT = 1.
<PSRUKNTRPTDWHLDG>-COMPANYCODE = 1.
<PSRUKNTRPTDWHLDG>-ACCOUNTINGDOCUMENT = 1.
<PSRUKNTRPTDWHLDG>-FISCALYEAR = 1.
<PSRUKNTRPTDWHLDG>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PSRUKNTRPTDWHLDG-WITHHOLDINGTAXTYPE, sy-vline,
  WA_PSRUKNTRPTDWHLDG-WITHHOLDINGTAXCODE, sy-vline,
  WA_PSRUKNTRPTDWHLDG-COUNTRY, sy-vline,
  WA_PSRUKNTRPTDWHLDG-CREDITOR, sy-vline,
  WA_PSRUKNTRPTDWHLDG-POSTINGDATE, sy-vline,
  WA_PSRUKNTRPTDWHLDG-REPORTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PSRUKNTRPTDWHLDG 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_PSRUKNTRPTDWHLDG 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_PSRUKNTRPTDWHLDG INTO WA_PSRUKNTRPTDWHLDG.


*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 ALPHA, internal->external for field ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRUKNTRPTDWHLDG-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRUKNTRPTDWHLDG-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field CREDITOR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PSRUKNTRPTDWHLDG-CREDITOR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRUKNTRPTDWHLDG-CREDITOR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field WHLDGTAXEXMPTAMTINCOCODECRCY
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_PSRUKNTRPTDWHLDG-WHLDGTAXEXMPTAMTINCOCODECRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PSRUKNTRPTDWHLDG-WHLDGTAXEXMPTAMTINCOCODECRCY.
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_PSRUKNTRPTDWHLDG_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
WITHHOLDINGTAXTYPE TYPE STRING,
WITHHOLDINGTAXCODE TYPE STRING,
COUNTRY TYPE STRING,
CREDITOR TYPE STRING,
POSTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
REPORTINGCURRENCY TYPE STRING,
WHLDGTAXBASEAMTINCOCODECRCY TYPE STRING,
WHLDGTAXAMTINCOCODECRCY TYPE STRING,
WHLDGTAXEXMPTAMTINCOCODECRCY TYPE STRING,
PAYMENTAMOUNTINCOCODECRCY TYPE STRING,
MATERIALCOSTINCOCODECRCY TYPE STRING,
COMPANYCODEADDRESS TYPE STRING,
COMPANYCODENAME TYPE STRING,
SUPPLIERNAME TYPE STRING,
UNIQUETAXPAYERREFERENCE TYPE STRING,
TAXNUMBER1 TYPE STRING,
SUPLRINDSTRYSCHMVERIFICATNMBR TYPE STRING,
DOCUMENTDATE TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PSRUKNTRPTDWHLDG_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_PSRUKNTRPTDWHLDG_STR-MANDT sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-COMPANYCODE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-FISCALYEAR sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-WITHHOLDINGTAXTYPE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-WITHHOLDINGTAXCODE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-COUNTRY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-CREDITOR sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-POSTINGDATE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-REPORTINGDATE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-REPORTINGCURRENCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-WHLDGTAXBASEAMTINCOCODECRCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-WHLDGTAXAMTINCOCODECRCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-WHLDGTAXEXMPTAMTINCOCODECRCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-PAYMENTAMOUNTINCOCODECRCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-MATERIALCOSTINCOCODECRCY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-COMPANYCODEADDRESS sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-COMPANYCODENAME sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-SUPPLIERNAME sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-UNIQUETAXPAYERREFERENCE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-TAXNUMBER1 sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-SUPLRINDSTRYSCHMVERIFICATNMBR sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-DOCUMENTDATE sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-STATRYRPTGENTITY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-STATRYRPTCATEGORY sy-vline 
WA_PSRUKNTRPTDWHLDG_STR-STATRYRPTRUNID sy-vline      INTO ld_text SEPARATED BY SPACE.

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