ABAP Select data from SAP table PKZVATRETDOC1 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PKZVATRETDOC1 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 PKZVATRETDOC1. 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 PKZVATRETDOC1 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_PKZVATRETDOC1 TYPE STANDARD TABLE OF PKZVATRETDOC1,
      WA_PKZVATRETDOC1 TYPE PKZVATRETDOC1,
      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: <PKZVATRETDOC1> TYPE PKZVATRETDOC1.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PKZVATRETDOC1.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PKZVATRETDOC1
  INTO TABLE IT_PKZVATRETDOC1.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PKZVATRETDOC1
*  INTO TABLE @DATA(IT_PKZVATRETDOC12).
*--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_PKZVATRETDOC1 INDEX 1 INTO DATA(WA_PKZVATRETDOC12).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PKZVATRETDOC1 ASSIGNING <PKZVATRETDOC1>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PKZVATRETDOC1>-MANDT = 1.
<PKZVATRETDOC1>-COMPANYCODE = 1.
<PKZVATRETDOC1>-ACCOUNTINGDOCUMENT = 1.
<PKZVATRETDOC1>-FISCALYEAR = 1.
<PKZVATRETDOC1>-TAXCODE = 1.

ENDLOOP.

LOOP AT IT_PKZVATRETDOC1 INTO WA_PKZVATRETDOC1.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PKZVATRETDOC1-TAXRATE, sy-vline,
  WA_PKZVATRETDOC1-AMOUNTINCOMPANYCODECURRENCY, sy-vline,
  WA_PKZVATRETDOC1-AMOUNTINTRANSACTIONCURRENCY, sy-vline,
  WA_PKZVATRETDOC1-TAXBASEAMOUNTINCOCODECRCY, sy-vline,
  WA_PKZVATRETDOC1-TAXBASEAMOUNTINTRANSCRCY, sy-vline,
  WA_PKZVATRETDOC1-TAXAMOUNTINCOCODECRCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PKZVATRETDOC1 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_PKZVATRETDOC1 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_PKZVATRETDOC1 INTO WA_PKZVATRETDOC1.


*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_PKZVATRETDOC1-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKZVATRETDOC1-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PKZVATRETDOC1-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKZVATRETDOC1-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PKZVATRETDOC1-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKZVATRETDOC1-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PKZVATRETDOC1-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKZVATRETDOC1-SUPPLIER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SENDERLOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PKZVATRETDOC1-SENDERLOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PKZVATRETDOC1-SENDERLOGICALSYSTEM.
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_PKZVATRETDOC1_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
TAXCODE TYPE STRING,
TAXRATE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TAXBASEAMOUNTINCOCODECRCY TYPE STRING,
TAXBASEAMOUNTINTRANSCRCY TYPE STRING,
TAXAMOUNTINCOCODECRCY TYPE STRING,
TAXAMOUNT TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
CUSTOMER TYPE STRING,
SUPPLIER TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF1 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE1 TYPE STRING,
POSTINGDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
BUSINESSTRANSACTIONTYPE TYPE STRING,
SENDERLOGICALSYSTEM TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
CURRENCY TYPE STRING,
STATRYRPTGENTITY TYPE STRING,
STATRYRPTCATEGORY TYPE STRING,
STATRYRPTRUNID TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
KZ_VATRETURNVERSION TYPE STRING,
KZ_VATRETURNSECTION TYPE STRING,
KZ_LINEITEM TYPE STRING,
OPERATIONCODE TYPE STRING,
KZ_VATRETURNSECTIONCOLUMN TYPE STRING,
CONDITIONNUMBER TYPE STRING,
KZ_VATRETURNSECTIONTYPE TYPE STRING,
KZ_AMOUNTTYPE TYPE STRING,
NEGATIVESIGN TYPE STRING,
KZ_TAXNORMCODE TYPE STRING,
DESCRIPTION TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
FISCALPERIOD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PKZVATRETDOC1_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_PKZVATRETDOC1_STR-MANDT sy-vline 
WA_PKZVATRETDOC1_STR-COMPANYCODE sy-vline 
WA_PKZVATRETDOC1_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PKZVATRETDOC1_STR-FISCALYEAR sy-vline 
WA_PKZVATRETDOC1_STR-TAXCODE sy-vline 
WA_PKZVATRETDOC1_STR-TAXRATE sy-vline 
WA_PKZVATRETDOC1_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PKZVATRETDOC1_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PKZVATRETDOC1_STR-TAXBASEAMOUNTINCOCODECRCY sy-vline 
WA_PKZVATRETDOC1_STR-TAXBASEAMOUNTINTRANSCRCY sy-vline 
WA_PKZVATRETDOC1_STR-TAXAMOUNTINCOCODECRCY sy-vline 
WA_PKZVATRETDOC1_STR-TAXAMOUNT sy-vline 
WA_PKZVATRETDOC1_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PKZVATRETDOC1_STR-DEBITCREDITCODE sy-vline 
WA_PKZVATRETDOC1_STR-CUSTOMER sy-vline 
WA_PKZVATRETDOC1_STR-SUPPLIER sy-vline 
WA_PKZVATRETDOC1_STR-JRNLENTRYCNTRYSPECIFICREF1 sy-vline 
WA_PKZVATRETDOC1_STR-JRNLENTRYCNTRYSPECIFICDATE1 sy-vline 
WA_PKZVATRETDOC1_STR-POSTINGDATE sy-vline 
WA_PKZVATRETDOC1_STR-TAXREPORTINGDATE sy-vline 
WA_PKZVATRETDOC1_STR-DOCUMENTDATE sy-vline 
WA_PKZVATRETDOC1_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PKZVATRETDOC1_STR-ISREVERSAL sy-vline 
WA_PKZVATRETDOC1_STR-ISREVERSED sy-vline 
WA_PKZVATRETDOC1_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_PKZVATRETDOC1_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_PKZVATRETDOC1_STR-DOCUMENTREFERENCEID sy-vline 
WA_PKZVATRETDOC1_STR-BUSINESSTRANSACTIONTYPE sy-vline 
WA_PKZVATRETDOC1_STR-SENDERLOGICALSYSTEM sy-vline 
WA_PKZVATRETDOC1_STR-COMPANYCODECURRENCY sy-vline 
WA_PKZVATRETDOC1_STR-CURRENCY sy-vline 
WA_PKZVATRETDOC1_STR-STATRYRPTGENTITY sy-vline 
WA_PKZVATRETDOC1_STR-STATRYRPTCATEGORY sy-vline 
WA_PKZVATRETDOC1_STR-STATRYRPTRUNID sy-vline 
WA_PKZVATRETDOC1_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_PKZVATRETDOC1_STR-KZ_VATRETURNVERSION sy-vline 
WA_PKZVATRETDOC1_STR-KZ_VATRETURNSECTION sy-vline 
WA_PKZVATRETDOC1_STR-KZ_LINEITEM sy-vline 
WA_PKZVATRETDOC1_STR-OPERATIONCODE sy-vline 
WA_PKZVATRETDOC1_STR-KZ_VATRETURNSECTIONCOLUMN sy-vline 
WA_PKZVATRETDOC1_STR-CONDITIONNUMBER sy-vline 
WA_PKZVATRETDOC1_STR-KZ_VATRETURNSECTIONTYPE sy-vline 
WA_PKZVATRETDOC1_STR-KZ_AMOUNTTYPE sy-vline 
WA_PKZVATRETDOC1_STR-NEGATIVESIGN sy-vline 
WA_PKZVATRETDOC1_STR-KZ_TAXNORMCODE sy-vline 
WA_PKZVATRETDOC1_STR-DESCRIPTION sy-vline 
WA_PKZVATRETDOC1_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_PKZVATRETDOC1_STR-FISCALPERIOD sy-vline      INTO ld_text SEPARATED BY SPACE.

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