ABAP Select data from SAP table PJPVATDETAILITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PJPVATDETAILITEM
*  INTO TABLE @DATA(IT_PJPVATDETAILITEM2).
*--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_PJPVATDETAILITEM INDEX 1 INTO DATA(WA_PJPVATDETAILITEM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PJPVATDETAILITEM-TAXREPORTINGDATE, sy-vline,
  WA_PJPVATDETAILITEM-TAXCODE, sy-vline,
  WA_PJPVATDETAILITEM-ACCOUNTINGDOCUMENTITEMTYPE, sy-vline,
  WA_PJPVATDETAILITEM-TAXITEMGROUP, sy-vline,
  WA_PJPVATDETAILITEM-POSTINGKEY, sy-vline,
  WA_PJPVATDETAILITEM-DEBITCREDITCODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PJPVATDETAILITEM 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_PJPVATDETAILITEM 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_PJPVATDETAILITEM INTO WA_PJPVATDETAILITEM.


*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 FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PJPVATDETAILITEM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPVATDETAILITEM-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit AU132, internal->external for field DISTRIBUTEDTAXAMOUNTINCCRCY
CALL FUNCTION 'CONVERSION_EXIT_AU132_OUTPUT'
  EXPORTING
    input =                      WA_PJPVATDETAILITEM-DISTRIBUTEDTAXAMOUNTINCCRCY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPVATDETAILITEM-DISTRIBUTEDTAXAMOUNTINCCRCY.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_PJPVATDETAILITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPVATDETAILITEM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_PJPVATDETAILITEM-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPVATDETAILITEM-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLACCOUNTINPURCHASEORG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PJPVATDETAILITEM-GLACCOUNTINPURCHASEORG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PJPVATDETAILITEM-GLACCOUNTINPURCHASEORG.
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_PJPVATDETAILITEM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
TAXCODE TYPE STRING,
ACCOUNTINGDOCUMENTITEMTYPE TYPE STRING,
TAXITEMGROUP TYPE STRING,
POSTINGKEY TYPE STRING,
DEBITCREDITCODE TYPE STRING,
GLACCOUNT TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
AMOUNTINCOMPANYCODECURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
BALANCETRANSACTIONCURRENCY TYPE STRING,
DISTRIBUTEDTAXAMOUNTINCCRCY TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
COSTCENTER TYPE STRING,
FISCALPERIOD TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
MATERIAL TYPE STRING,
QUANTITY TYPE STRING,
BASEUNIT TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
GLACCOUNTINPURCHASEORG TYPE STRING,
BUSINESSAREA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PJPVATDETAILITEM_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_PJPVATDETAILITEM_STR-MANDT sy-vline 
WA_PJPVATDETAILITEM_STR-COMPANYCODE sy-vline 
WA_PJPVATDETAILITEM_STR-FISCALYEAR sy-vline 
WA_PJPVATDETAILITEM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PJPVATDETAILITEM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_PJPVATDETAILITEM_STR-TAXREPORTINGDATE sy-vline 
WA_PJPVATDETAILITEM_STR-TAXCODE sy-vline 
WA_PJPVATDETAILITEM_STR-ACCOUNTINGDOCUMENTITEMTYPE sy-vline 
WA_PJPVATDETAILITEM_STR-TAXITEMGROUP sy-vline 
WA_PJPVATDETAILITEM_STR-POSTINGKEY sy-vline 
WA_PJPVATDETAILITEM_STR-DEBITCREDITCODE sy-vline 
WA_PJPVATDETAILITEM_STR-GLACCOUNT sy-vline 
WA_PJPVATDETAILITEM_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PJPVATDETAILITEM_STR-AMOUNTINCOMPANYCODECURRENCY sy-vline 
WA_PJPVATDETAILITEM_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_PJPVATDETAILITEM_STR-BALANCETRANSACTIONCURRENCY sy-vline 
WA_PJPVATDETAILITEM_STR-DISTRIBUTEDTAXAMOUNTINCCRCY sy-vline 
WA_PJPVATDETAILITEM_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PJPVATDETAILITEM_STR-DOCUMENTITEMTEXT sy-vline 
WA_PJPVATDETAILITEM_STR-COSTCENTER sy-vline 
WA_PJPVATDETAILITEM_STR-FISCALPERIOD sy-vline 
WA_PJPVATDETAILITEM_STR-POSTINGDATE sy-vline 
WA_PJPVATDETAILITEM_STR-DOCUMENTDATE sy-vline 
WA_PJPVATDETAILITEM_STR-TRANSACTIONCURRENCY sy-vline 
WA_PJPVATDETAILITEM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PJPVATDETAILITEM_STR-COMPANYCODECURRENCY sy-vline 
WA_PJPVATDETAILITEM_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_PJPVATDETAILITEM_STR-PURCHASINGDOCUMENT sy-vline 
WA_PJPVATDETAILITEM_STR-MATERIAL sy-vline 
WA_PJPVATDETAILITEM_STR-QUANTITY sy-vline 
WA_PJPVATDETAILITEM_STR-BASEUNIT sy-vline 
WA_PJPVATDETAILITEM_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_PJPVATDETAILITEM_STR-GLACCOUNTINPURCHASEORG sy-vline 
WA_PJPVATDETAILITEM_STR-BUSINESSAREA sy-vline      INTO ld_text SEPARATED BY SPACE.

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