ABAP Select data from SAP table PBUWTHPWRK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PBUWTHPWRK
*  INTO TABLE @DATA(IT_PBUWTHPWRK2).
*--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_PBUWTHPWRK INDEX 1 INTO DATA(WA_PBUWTHPWRK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PBUWTHPWRK>-MANDT = 1.
<PBUWTHPWRK>-BUSINESSPARTNER = 1.
<PBUWTHPWRK>-FIRSTNAME = 1.
<PBUWTHPWRK>-LASTNAME = 1.
<PBUWTHPWRK>-PERSONFULLNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PBUWTHPWRK-PERSONWORKAGREEMENT, sy-vline,
  WA_PBUWTHPWRK-ORGANIZATIONALUNIT, sy-vline,
  WA_PBUWTHPWRK-COMPANYCODE, sy-vline,
  WA_PBUWTHPWRK-COMPANYCODENAME, sy-vline,
  WA_PBUWTHPWRK-AUTHORIZATIONGROUP, sy-vline,
  WA_PBUWTHPWRK-ISBUSINESSPURPOSECOMPLETED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PBUWTHPWRK 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_PBUWTHPWRK 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_PBUWTHPWRK INTO WA_PBUWTHPWRK.


*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 BUSINESSPARTNER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PBUWTHPWRK-BUSINESSPARTNER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PBUWTHPWRK-BUSINESSPARTNER.
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_PBUWTHPWRK_STR, 
MANDT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
PERSONFULLNAME TYPE STRING,
PERSONWORKAGREEMENT TYPE STRING,
ORGANIZATIONALUNIT TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODENAME TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
ISBUSINESSPURPOSECOMPLETED TYPE STRING,
USERID TYPE STRING,
BUSINESSPARTNERUUID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PBUWTHPWRK_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_PBUWTHPWRK_STR-MANDT sy-vline 
WA_PBUWTHPWRK_STR-BUSINESSPARTNER sy-vline 
WA_PBUWTHPWRK_STR-FIRSTNAME sy-vline 
WA_PBUWTHPWRK_STR-LASTNAME sy-vline 
WA_PBUWTHPWRK_STR-PERSONFULLNAME sy-vline 
WA_PBUWTHPWRK_STR-PERSONWORKAGREEMENT sy-vline 
WA_PBUWTHPWRK_STR-ORGANIZATIONALUNIT sy-vline 
WA_PBUWTHPWRK_STR-COMPANYCODE sy-vline 
WA_PBUWTHPWRK_STR-COMPANYCODENAME sy-vline 
WA_PBUWTHPWRK_STR-AUTHORIZATIONGROUP sy-vline 
WA_PBUWTHPWRK_STR-ISBUSINESSPURPOSECOMPLETED sy-vline 
WA_PBUWTHPWRK_STR-USERID sy-vline 
WA_PBUWTHPWRK_STR-BUSINESSPARTNERUUID sy-vline      INTO ld_text SEPARATED BY SPACE.

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