ABAP Select data from SAP table PRUDSINVCJRNL4 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PRUDSINVCJRNL4 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 PRUDSINVCJRNL4. 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 PRUDSINVCJRNL4 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_PRUDSINVCJRNL4 TYPE STANDARD TABLE OF PRUDSINVCJRNL4,
      WA_PRUDSINVCJRNL4 TYPE PRUDSINVCJRNL4,
      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: <PRUDSINVCJRNL4> TYPE PRUDSINVCJRNL4.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PRUDSINVCJRNL4.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PRUDSINVCJRNL4
  INTO TABLE IT_PRUDSINVCJRNL4.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRUDSINVCJRNL4
*  INTO TABLE @DATA(IT_PRUDSINVCJRNL42).
*--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_PRUDSINVCJRNL4 INDEX 1 INTO DATA(WA_PRUDSINVCJRNL42).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PRUDSINVCJRNL4 ASSIGNING <PRUDSINVCJRNL4>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRUDSINVCJRNL4>-MANDT = 1.
<PRUDSINVCJRNL4>-COMPANYCODE = 1.
<PRUDSINVCJRNL4>-ACCOUNTINGDOCUMENT = 1.
<PRUDSINVCJRNL4>-FISCALYEAR = 1.
<PRUDSINVCJRNL4>-POSTINGDATE = 1.

ENDLOOP.

LOOP AT IT_PRUDSINVCJRNL4 INTO WA_PRUDSINVCJRNL4.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRUDSINVCJRNL4-RU_VATSUBSCENARIO, sy-vline,
  WA_PRUDSINVCJRNL4-RU_VATRETURNSECTIONTYPE, sy-vline,
  WA_PRUDSINVCJRNL4-RU_VATRETURNVERSION, sy-vline,
  WA_PRUDSINVCJRNL4-TAXCODE, sy-vline,
  WA_PRUDSINVCJRNL4-INVOICE, sy-vline,
  WA_PRUDSINVCJRNL4-INVOICEYEAR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRUDSINVCJRNL4 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_PRUDSINVCJRNL4 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_PRUDSINVCJRNL4 INTO WA_PRUDSINVCJRNL4.


*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_PRUDSINVCJRNL4-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSINVCJRNL4-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field INVOICE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSINVCJRNL4-INVOICE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-INVOICE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field INVOICEYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSINVCJRNL4-INVOICEYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-INVOICEYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field REVERSEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSINVCJRNL4-REVERSEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-REVERSEDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field REVERSEDOCUMENTFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRUDSINVCJRNL4-REVERSEDOCUMENTFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRUDSINVCJRNL4-REVERSEDOCUMENTFISCALYEAR.
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_PRUDSINVCJRNL4_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
POSTINGDATE TYPE STRING,
RU_VATSUBSCENARIO TYPE STRING,
RU_VATRETURNSECTIONTYPE TYPE STRING,
RU_VATRETURNVERSION TYPE STRING,
TAXCODE TYPE STRING,
INVOICE TYPE STRING,
INVOICEYEAR TYPE STRING,
EXTERNALINVOICE TYPE STRING,
INVOICEDATE TYPE STRING,
CORRECTIONINVOICE TYPE STRING,
CORRECTIONINVOICEYEAR TYPE STRING,
EXTERNALCORRECTIONINVOICE TYPE STRING,
CORRECTIONINVOICEDATE TYPE STRING,
REVISIONNUMBER TYPE STRING,
REVISIONINVOICEDATE TYPE STRING,
ORIGINALINVOICEREVISIONNUMBER TYPE STRING,
ORIGINALINVOICEREVISIONDATE TYPE STRING,
RU_REGISTRATIONINVOICEDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REVISIONTAXREPORTINGDATE TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
REVERSEDOCUMENTFISCALYEAR TYPE STRING,
ACTIONRULEISGENERATED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRUDSINVCJRNL4_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_PRUDSINVCJRNL4_STR-MANDT sy-vline 
WA_PRUDSINVCJRNL4_STR-COMPANYCODE sy-vline 
WA_PRUDSINVCJRNL4_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PRUDSINVCJRNL4_STR-FISCALYEAR sy-vline 
WA_PRUDSINVCJRNL4_STR-POSTINGDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-RU_VATSUBSCENARIO sy-vline 
WA_PRUDSINVCJRNL4_STR-RU_VATRETURNSECTIONTYPE sy-vline 
WA_PRUDSINVCJRNL4_STR-RU_VATRETURNVERSION sy-vline 
WA_PRUDSINVCJRNL4_STR-TAXCODE sy-vline 
WA_PRUDSINVCJRNL4_STR-INVOICE sy-vline 
WA_PRUDSINVCJRNL4_STR-INVOICEYEAR sy-vline 
WA_PRUDSINVCJRNL4_STR-EXTERNALINVOICE sy-vline 
WA_PRUDSINVCJRNL4_STR-INVOICEDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-CORRECTIONINVOICE sy-vline 
WA_PRUDSINVCJRNL4_STR-CORRECTIONINVOICEYEAR sy-vline 
WA_PRUDSINVCJRNL4_STR-EXTERNALCORRECTIONINVOICE sy-vline 
WA_PRUDSINVCJRNL4_STR-CORRECTIONINVOICEDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-REVISIONNUMBER sy-vline 
WA_PRUDSINVCJRNL4_STR-REVISIONINVOICEDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-ORIGINALINVOICEREVISIONNUMBER sy-vline 
WA_PRUDSINVCJRNL4_STR-ORIGINALINVOICEREVISIONDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-RU_REGISTRATIONINVOICEDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-TAXREPORTINGDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-REVISIONTAXREPORTINGDATE sy-vline 
WA_PRUDSINVCJRNL4_STR-REVERSEDOCUMENT sy-vline 
WA_PRUDSINVCJRNL4_STR-REVERSEDOCUMENTFISCALYEAR sy-vline 
WA_PRUDSINVCJRNL4_STR-ACTIONRULEISGENERATED sy-vline      INTO ld_text SEPARATED BY SPACE.

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