ABAP Select data from SAP table PARJOURNALENTRY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PARJOURNALENTRY
*  INTO TABLE @DATA(IT_PARJOURNALENTRY2).
*--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_PARJOURNALENTRY INDEX 1 INTO DATA(WA_PARJOURNALENTRY2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PARJOURNALENTRY-POSTINGDATE, sy-vline,
  WA_PARJOURNALENTRY-DOCUMENTDATE, sy-vline,
  WA_PARJOURNALENTRY-TAXREPORTINGDATE, sy-vline,
  WA_PARJOURNALENTRY-REPORTINGDATE, sy-vline,
  WA_PARJOURNALENTRY-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_PARJOURNALENTRY-DOCUMENTREFERENCEID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PARJOURNALENTRY 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_PARJOURNALENTRY 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_PARJOURNALENTRY INTO WA_PARJOURNALENTRY.


*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_PARJOURNALENTRY-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARJOURNALENTRY-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

*Conversion exit EXCRT, internal->external for field EXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_PARJOURNALENTRY-EXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARJOURNALENTRY-EXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LOGICALSYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PARJOURNALENTRY-LOGICALSYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARJOURNALENTRY-LOGICALSYSTEM.
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_PARJOURNALENTRY_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALPERIOD TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
REPORTINGDATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
AR_BRANCH TYPE STRING,
AR_PRINTCHARACTER TYPE STRING,
AR_OFFICIALDOCUMENTNUMBER TYPE STRING,
NMBROFPAGES TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
ISREVERSAL TYPE STRING,
ISREVERSED TYPE STRING,
REVERSEDOCUMENT TYPE STRING,
REVERSEDOCUMENTFISCALYEAR TYPE STRING,
REVERSALREFERENCEDOCUMENT TYPE STRING,
ORIGINALREFERENCEDOCUMENT TYPE STRING,
REFERENCEDOCUMENTTYPE TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,
EXCHANGERATEDATE TYPE STRING,
EXCHANGERATE TYPE STRING,
LOGICALSYSTEM TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
ADDITIONALCURRENCY1 TYPE STRING,
ADDITIONALCURRENCY2 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PARJOURNALENTRY_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_PARJOURNALENTRY_STR-MANDT sy-vline 
WA_PARJOURNALENTRY_STR-COMPANYCODE sy-vline 
WA_PARJOURNALENTRY_STR-FISCALYEAR sy-vline 
WA_PARJOURNALENTRY_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PARJOURNALENTRY_STR-FISCALPERIOD sy-vline 
WA_PARJOURNALENTRY_STR-POSTINGDATE sy-vline 
WA_PARJOURNALENTRY_STR-DOCUMENTDATE sy-vline 
WA_PARJOURNALENTRY_STR-TAXREPORTINGDATE sy-vline 
WA_PARJOURNALENTRY_STR-REPORTINGDATE sy-vline 
WA_PARJOURNALENTRY_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PARJOURNALENTRY_STR-DOCUMENTREFERENCEID sy-vline 
WA_PARJOURNALENTRY_STR-AR_BRANCH sy-vline 
WA_PARJOURNALENTRY_STR-AR_PRINTCHARACTER sy-vline 
WA_PARJOURNALENTRY_STR-AR_OFFICIALDOCUMENTNUMBER sy-vline 
WA_PARJOURNALENTRY_STR-NMBROFPAGES sy-vline 
WA_PARJOURNALENTRY_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_PARJOURNALENTRY_STR-ISREVERSAL sy-vline 
WA_PARJOURNALENTRY_STR-ISREVERSED sy-vline 
WA_PARJOURNALENTRY_STR-REVERSEDOCUMENT sy-vline 
WA_PARJOURNALENTRY_STR-REVERSEDOCUMENTFISCALYEAR sy-vline 
WA_PARJOURNALENTRY_STR-REVERSALREFERENCEDOCUMENT sy-vline 
WA_PARJOURNALENTRY_STR-ORIGINALREFERENCEDOCUMENT sy-vline 
WA_PARJOURNALENTRY_STR-REFERENCEDOCUMENTTYPE sy-vline 
WA_PARJOURNALENTRY_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline 
WA_PARJOURNALENTRY_STR-EXCHANGERATEDATE sy-vline 
WA_PARJOURNALENTRY_STR-EXCHANGERATE sy-vline 
WA_PARJOURNALENTRY_STR-LOGICALSYSTEM sy-vline 
WA_PARJOURNALENTRY_STR-COMPANYCODECURRENCY sy-vline 
WA_PARJOURNALENTRY_STR-TRANSACTIONCURRENCY sy-vline 
WA_PARJOURNALENTRY_STR-ADDITIONALCURRENCY1 sy-vline 
WA_PARJOURNALENTRY_STR-ADDITIONALCURRENCY2 sy-vline      INTO ld_text SEPARATED BY SPACE.

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