ABAP Select data from SAP table PRUVATINVJRCR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUVATINVJRCR
*  INTO TABLE @DATA(IT_PRUVATINVJRCR2).
*--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_PRUVATINVJRCR INDEX 1 INTO DATA(WA_PRUVATINVJRCR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUVATINVJRCR>-MANDT = 1.
<PRUVATINVJRCR>-COMPANYCODE = 1.
<PRUVATINVJRCR>-INVOICE = 1.
<PRUVATINVJRCR>-INVOICEYEAR = 1.
<PRUVATINVJRCR>-CORRECTIONINVOICE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUVATINVJRCR-CORRECTIONINVOICEYEAR, sy-vline,
  WA_PRUVATINVJRCR-REVISIONNUMBER, sy-vline,
  WA_PRUVATINVJRCR-REVISIONINVOICE, sy-vline,
  WA_PRUVATINVJRCR-REVISIONINVOICEYEAR, sy-vline,
  WA_PRUVATINVJRCR-REVISIONINVOICEDATE, sy-vline,
  WA_PRUVATINVJRCR-REVISIONTAXREPORTINGDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUVATINVJRCR 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_PRUVATINVJRCR 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_PRUVATINVJRCR INTO WA_PRUVATINVJRCR.


*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 INVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUVATINVJRCR-INVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUVATINVJRCR-INVOICE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GJAHR, internal->external for field REVISIONINVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUVATINVJRCR-REVISIONINVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUVATINVJRCR-REVISIONINVOICEYEAR.
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_PRUVATINVJRCR_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
INVOICE TYPE STRING,
INVOICEYEAR TYPE STRING,
CORRECTIONINVOICE TYPE STRING,
CORRECTIONINVOICEYEAR TYPE STRING,
REVISIONNUMBER TYPE STRING,
REVISIONINVOICE TYPE STRING,
REVISIONINVOICEYEAR TYPE STRING,
REVISIONINVOICEDATE TYPE STRING,
REVISIONTAXREPORTINGDATE TYPE STRING,
ORIGINALINVOICEREVISIONNUMBER TYPE STRING,
ORIGINALINVOICEREVISIONDATE TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
RU_PARTNERORGANIZATIONINN TYPE STRING,
RU_PARTNERORGANIZATIONKPP TYPE STRING,
ISREVISIONREVERSED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUVATINVJRCR_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_PRUVATINVJRCR_STR-MANDT sy-vline 
WA_PRUVATINVJRCR_STR-COMPANYCODE sy-vline 
WA_PRUVATINVJRCR_STR-INVOICE sy-vline 
WA_PRUVATINVJRCR_STR-INVOICEYEAR sy-vline 
WA_PRUVATINVJRCR_STR-CORRECTIONINVOICE sy-vline 
WA_PRUVATINVJRCR_STR-CORRECTIONINVOICEYEAR sy-vline 
WA_PRUVATINVJRCR_STR-REVISIONNUMBER sy-vline 
WA_PRUVATINVJRCR_STR-REVISIONINVOICE sy-vline 
WA_PRUVATINVJRCR_STR-REVISIONINVOICEYEAR sy-vline 
WA_PRUVATINVJRCR_STR-REVISIONINVOICEDATE sy-vline 
WA_PRUVATINVJRCR_STR-REVISIONTAXREPORTINGDATE sy-vline 
WA_PRUVATINVJRCR_STR-ORIGINALINVOICEREVISIONNUMBER sy-vline 
WA_PRUVATINVJRCR_STR-ORIGINALINVOICEREVISIONDATE sy-vline 
WA_PRUVATINVJRCR_STR-BUSINESSPARTNERNAME sy-vline 
WA_PRUVATINVJRCR_STR-RU_PARTNERORGANIZATIONINN sy-vline 
WA_PRUVATINVJRCR_STR-RU_PARTNERORGANIZATIONKPP sy-vline 
WA_PRUVATINVJRCR_STR-ISREVISIONREVERSED sy-vline      INTO ld_text SEPARATED BY SPACE.

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