ABAP Select data from SAP table PEBLOGWORKLIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PEBLOGWORKLIST
*  INTO TABLE @DATA(IT_PEBLOGWORKLIST2).
*--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_PEBLOGWORKLIST INDEX 1 INTO DATA(WA_PEBLOGWORKLIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PEBLOGWORKLIST>-MANDT = 1.
<PEBLOGWORKLIST>-LOGID = 1.
<PEBLOGWORKLIST>-LOGTYPE = 1.
<PEBLOGWORKLIST>-REFERENCEPROCESS = 1.
<PEBLOGWORKLIST>-EVTBSDORDREFTRANSTEXT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PEBLOGWORKLIST-OBJECTTYPE, sy-vline,
  WA_PEBLOGWORKLIST-OBJECTTYPETEXT, sy-vline,
  WA_PEBLOGWORKLIST-BUSINESSTRANSACTIONCATEGORY, sy-vline,
  WA_PEBLOGWORKLIST-BUSTRANSACTIONCATEGORYNAME, sy-vline,
  WA_PEBLOGWORKLIST-ACTION, sy-vline,
  WA_PEBLOGWORKLIST-ORDERID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PEBLOGWORKLIST 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_PEBLOGWORKLIST 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_PEBLOGWORKLIST INTO WA_PEBLOGWORKLIST.


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

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

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

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

*Conversion exit GJAHR, internal->external for field POSTINGYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PEBLOGWORKLIST-POSTINGYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PEBLOGWORKLIST-POSTINGYEAR.
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_PEBLOGWORKLIST_STR, 
MANDT TYPE STRING,
LOGID TYPE STRING,
LOGTYPE TYPE STRING,
REFERENCEPROCESS TYPE STRING,
EVTBSDORDREFTRANSTEXT TYPE STRING,
OBJECTTYPE TYPE STRING,
OBJECTTYPETEXT TYPE STRING,
BUSINESSTRANSACTIONCATEGORY TYPE STRING,
BUSTRANSACTIONCATEGORYNAME TYPE STRING,
ACTION TYPE STRING,
ORDERID TYPE STRING,
ORDERITEM TYPE STRING,
SALESORDER TYPE STRING,
SALESORDERITEM TYPE STRING,
LEDGER TYPE STRING,
COMPANYCODE TYPE STRING,
PLANT TYPE STRING,
PRODUCT TYPE STRING,
REFOBJECT TYPE STRING,
COSTESTIMATE TYPE STRING,
COSTINGTYPE TYPE STRING,
COSTINGDATE TYPE STRING,
COSTINGVERSION TYPE STRING,
VALUATIONVARIANT TYPE STRING,
COSTSENTEREDMANUALLY TYPE STRING,
VALUATIONTYPE TYPE STRING,
POSTINGPERIOD TYPE STRING,
POSTINGYEAR TYPE STRING,
APPLLOGNUMBER TYPE STRING,
CREATIONTIME TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
SIMULATIONSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PEBLOGWORKLIST_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_PEBLOGWORKLIST_STR-MANDT sy-vline 
WA_PEBLOGWORKLIST_STR-LOGID sy-vline 
WA_PEBLOGWORKLIST_STR-LOGTYPE sy-vline 
WA_PEBLOGWORKLIST_STR-REFERENCEPROCESS sy-vline 
WA_PEBLOGWORKLIST_STR-EVTBSDORDREFTRANSTEXT sy-vline 
WA_PEBLOGWORKLIST_STR-OBJECTTYPE sy-vline 
WA_PEBLOGWORKLIST_STR-OBJECTTYPETEXT sy-vline 
WA_PEBLOGWORKLIST_STR-BUSINESSTRANSACTIONCATEGORY sy-vline 
WA_PEBLOGWORKLIST_STR-BUSTRANSACTIONCATEGORYNAME sy-vline 
WA_PEBLOGWORKLIST_STR-ACTION sy-vline 
WA_PEBLOGWORKLIST_STR-ORDERID sy-vline 
WA_PEBLOGWORKLIST_STR-ORDERITEM sy-vline 
WA_PEBLOGWORKLIST_STR-SALESORDER sy-vline 
WA_PEBLOGWORKLIST_STR-SALESORDERITEM sy-vline 
WA_PEBLOGWORKLIST_STR-LEDGER sy-vline 
WA_PEBLOGWORKLIST_STR-COMPANYCODE sy-vline 
WA_PEBLOGWORKLIST_STR-PLANT sy-vline 
WA_PEBLOGWORKLIST_STR-PRODUCT sy-vline 
WA_PEBLOGWORKLIST_STR-REFOBJECT sy-vline 
WA_PEBLOGWORKLIST_STR-COSTESTIMATE sy-vline 
WA_PEBLOGWORKLIST_STR-COSTINGTYPE sy-vline 
WA_PEBLOGWORKLIST_STR-COSTINGDATE sy-vline 
WA_PEBLOGWORKLIST_STR-COSTINGVERSION sy-vline 
WA_PEBLOGWORKLIST_STR-VALUATIONVARIANT sy-vline 
WA_PEBLOGWORKLIST_STR-COSTSENTEREDMANUALLY sy-vline 
WA_PEBLOGWORKLIST_STR-VALUATIONTYPE sy-vline 
WA_PEBLOGWORKLIST_STR-POSTINGPERIOD sy-vline 
WA_PEBLOGWORKLIST_STR-POSTINGYEAR sy-vline 
WA_PEBLOGWORKLIST_STR-APPLLOGNUMBER sy-vline 
WA_PEBLOGWORKLIST_STR-CREATIONTIME sy-vline 
WA_PEBLOGWORKLIST_STR-CREATIONDATE sy-vline 
WA_PEBLOGWORKLIST_STR-CREATEDBYUSER sy-vline 
WA_PEBLOGWORKLIST_STR-SIMULATIONSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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