ABAP Select data from SAP table PRUCFINVATCORREV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUCFINVATCORREV
*  INTO TABLE @DATA(IT_PRUCFINVATCORREV2).
*--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_PRUCFINVATCORREV INDEX 1 INTO DATA(WA_PRUCFINVATCORREV2).


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

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

ENDLOOP.

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

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


*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_PRUCFINVATCORREV-INVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCFINVATCORREV-INVOICE.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit GJAHR, internal->external for field REVISIONINVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUCFINVATCORREV-REVISIONINVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUCFINVATCORREV-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_PRUCFINVATCORREV_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,
COMPANYCODENAME TYPE STRING,
RU_COMPANYCODEINN TYPE STRING,
RU_COMPANYCODEKPP TYPE STRING,
BUSINESSPARTNERNAME TYPE STRING,
RU_PARTNERORGANIZATIONINN TYPE STRING,
RU_PARTNERORGANIZATIONKPP TYPE STRING,
RU_PARTNERORGANIZATIONISORG TYPE STRING,
RU_PARTNERORGANIZATIONISNP TYPE STRING,
SUPPLIERNAME TYPE STRING,
RU_SUPPLIERINN TYPE STRING,
RU_SUPPLIERKPP TYPE STRING,
RU_SUPPLIERISORG TYPE STRING,
RU_SUPPLIERISNP TYPE STRING,
RU_COMMISSIONTRADESUPPLIERNAME TYPE STRING,
RU_COMMISSIONTRADESUPPLIERINN TYPE STRING,
RU_COMMISSIONTRADESUPPLIERKPP TYPE STRING,
RU_COMMISSIONTRADESUPLRISORG TYPE STRING,
RU_COMMISSIONTRADESUPLRISNP TYPE STRING,
RU_COMMISSIONTRADECUSTOMERNAME TYPE STRING,
RU_COMMISSIONTRADECUSTOMERINN TYPE STRING,
RU_COMMISSIONTRADECUSTOMERKPP TYPE STRING,
RU_COMMISSIONTRADECUSTISORG TYPE STRING,
RU_COMMISSIONTRADECUSTISNP TYPE STRING,
LEDGERLINESIGN TYPE STRING,
ISINTERMEDIATEREVISION TYPE STRING,
ISREVISIONREVERSED TYPE STRING,
CORREVCHAINLASTREVISIONDOCNMBR TYPE STRING,
CORREVCHAINLASTREVISIONDOCYEAR TYPE STRING,
ISLASTDOCUMENTCORREVCHAIN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUCFINVATCORREV_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_PRUCFINVATCORREV_STR-MANDT sy-vline 
WA_PRUCFINVATCORREV_STR-COMPANYCODE sy-vline 
WA_PRUCFINVATCORREV_STR-INVOICE sy-vline 
WA_PRUCFINVATCORREV_STR-INVOICEYEAR sy-vline 
WA_PRUCFINVATCORREV_STR-CORRECTIONINVOICE sy-vline 
WA_PRUCFINVATCORREV_STR-CORRECTIONINVOICEYEAR sy-vline 
WA_PRUCFINVATCORREV_STR-REVISIONNUMBER sy-vline 
WA_PRUCFINVATCORREV_STR-REVISIONINVOICE sy-vline 
WA_PRUCFINVATCORREV_STR-REVISIONINVOICEYEAR sy-vline 
WA_PRUCFINVATCORREV_STR-REVISIONINVOICEDATE sy-vline 
WA_PRUCFINVATCORREV_STR-REVISIONTAXREPORTINGDATE sy-vline 
WA_PRUCFINVATCORREV_STR-ORIGINALINVOICEREVISIONNUMBER sy-vline 
WA_PRUCFINVATCORREV_STR-ORIGINALINVOICEREVISIONDATE sy-vline 
WA_PRUCFINVATCORREV_STR-COMPANYCODENAME sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMPANYCODEINN sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMPANYCODEKPP sy-vline 
WA_PRUCFINVATCORREV_STR-BUSINESSPARTNERNAME sy-vline 
WA_PRUCFINVATCORREV_STR-RU_PARTNERORGANIZATIONINN sy-vline 
WA_PRUCFINVATCORREV_STR-RU_PARTNERORGANIZATIONKPP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_PARTNERORGANIZATIONISORG sy-vline 
WA_PRUCFINVATCORREV_STR-RU_PARTNERORGANIZATIONISNP sy-vline 
WA_PRUCFINVATCORREV_STR-SUPPLIERNAME sy-vline 
WA_PRUCFINVATCORREV_STR-RU_SUPPLIERINN sy-vline 
WA_PRUCFINVATCORREV_STR-RU_SUPPLIERKPP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_SUPPLIERISORG sy-vline 
WA_PRUCFINVATCORREV_STR-RU_SUPPLIERISNP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADESUPPLIERNAME sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADESUPPLIERINN sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADESUPPLIERKPP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADESUPLRISORG sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADESUPLRISNP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADECUSTOMERNAME sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADECUSTOMERINN sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADECUSTOMERKPP sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADECUSTISORG sy-vline 
WA_PRUCFINVATCORREV_STR-RU_COMMISSIONTRADECUSTISNP sy-vline 
WA_PRUCFINVATCORREV_STR-LEDGERLINESIGN sy-vline 
WA_PRUCFINVATCORREV_STR-ISINTERMEDIATEREVISION sy-vline 
WA_PRUCFINVATCORREV_STR-ISREVISIONREVERSED sy-vline 
WA_PRUCFINVATCORREV_STR-CORREVCHAINLASTREVISIONDOCNMBR sy-vline 
WA_PRUCFINVATCORREV_STR-CORREVCHAINLASTREVISIONDOCYEAR sy-vline 
WA_PRUCFINVATCORREV_STR-ISLASTDOCUMENTCORREVCHAIN sy-vline      INTO ld_text SEPARATED BY SPACE.

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