ABAP Select data from SAP table P08_P45GB0 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP P08_P45GB0 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 P08_P45GB0. 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 P08_P45GB0 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_P08_P45GB0 TYPE STANDARD TABLE OF P08_P45GB0,
      WA_P08_P45GB0 TYPE P08_P45GB0,
      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: <P08_P45GB0> TYPE P08_P45GB0.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_P08_P45GB0.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM P08_P45GB0
  INTO TABLE IT_P08_P45GB0.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM P08_P45GB0
*  INTO TABLE @DATA(IT_P08_P45GB02).
*--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_P08_P45GB0 INDEX 1 INTO DATA(WA_P08_P45GB02).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_P08_P45GB0 ASSIGNING <P08_P45GB0>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<P08_P45GB0>-BUKRS = 1.
<P08_P45GB0>-BUTXT = 1.
<P08_P45GB0>-WERKS = 1.
<P08_P45GB0>-NAME1 = 1.
<P08_P45GB0>-BTRTL = 1.

ENDLOOP.

LOOP AT IT_P08_P45GB0 INTO WA_P08_P45GB0.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_P08_P45GB0-BTEXT, sy-vline,
  WA_P08_P45GB0-PERSG, sy-vline,
  WA_P08_P45GB0-PGTXT, sy-vline,
  WA_P08_P45GB0-PERSK, sy-vline,
  WA_P08_P45GB0-PKTXT, sy-vline,
  WA_P08_P45GB0-ORGEH, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_P08_P45GB0 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_P08_P45GB0 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_P08_P45GB0 INTO WA_P08_P45GB0.


*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 KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_P08_P45GB0-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P08_P45GB0-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_P08_P45GB0-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_P08_P45GB0-GBDAT.
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_P08_P45GB0_STR, 
BUKRS TYPE STRING,
BUTXT TYPE STRING,
WERKS TYPE STRING,
NAME1 TYPE STRING,
BTRTL TYPE STRING,
BTEXT TYPE STRING,
PERSG TYPE STRING,
PGTXT TYPE STRING,
PERSK TYPE STRING,
PKTXT TYPE STRING,
ORGEH TYPE STRING,
ORGTX TYPE STRING,
KOSTL TYPE STRING,
KOSTT TYPE STRING,
ABKRS TYPE STRING,
ABKTX TYPE STRING,
PERNR TYPE STRING,
WORKS TYPE STRING,
TDNUM TYPE STRING,
TDREF TYPE STRING,
PERID TYPE STRING,
NACHN TYPE STRING,
VORNA TYPE STRING,
MIDNM TYPE STRING,
ANRED TYPE STRING,
PHIRE TYPE STRING,
PFIRE TYPE STRING,
STLD TYPE STRING,
TXCOD TYPE STRING,
DEPRT TYPE STRING,
WKTXT TYPE STRING,
EESTR TYPE STRING,
EEADI TYPE STRING,
EEDST TYPE STRING,
EECIT TYPE STRING,
EEPSZ TYPE STRING,
ERNAM TYPE STRING,
ERSTR TYPE STRING,
ERDIS TYPE STRING,
ERTWN TYPE STRING,
ERPSZ TYPE STRING,
DIED TYPE STRING,
IDATE TYPE STRING,
NOTE TYPE STRING,
WORMN TYPE STRING,
TXWKN TYPE STRING,
TXMTN TYPE STRING,
TOTPY TYPE STRING,
TOTTX TYPE STRING,
EMPPY TYPE STRING,
EMPTX TYPE STRING,
PRVPY TYPE STRING,
PRVTX TYPE STRING,
PAYDT TYPE STRING,
TXRCH TYPE STRING,
WKMNI TYPE STRING,
PWKMN TYPE STRING,
PRCNT TYPE STRING,
GBDAT TYPE STRING,
GESCH TYPE STRING,
SLOAN TYPE STRING,
EMPPEN TYPE STRING,
EMPPENFORM TYPE STRING,
EMPACTION TYPE STRING,
EMPPENME TYPE STRING,
EMPPYS TYPE STRING,
EMPTXS TYPE STRING,
WRKNO_IND TYPE STRING,
P45SN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_P08_P45GB0_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_P08_P45GB0_STR-BUKRS sy-vline 
WA_P08_P45GB0_STR-BUTXT sy-vline 
WA_P08_P45GB0_STR-WERKS sy-vline 
WA_P08_P45GB0_STR-NAME1 sy-vline 
WA_P08_P45GB0_STR-BTRTL sy-vline 
WA_P08_P45GB0_STR-BTEXT sy-vline 
WA_P08_P45GB0_STR-PERSG sy-vline 
WA_P08_P45GB0_STR-PGTXT sy-vline 
WA_P08_P45GB0_STR-PERSK sy-vline 
WA_P08_P45GB0_STR-PKTXT sy-vline 
WA_P08_P45GB0_STR-ORGEH sy-vline 
WA_P08_P45GB0_STR-ORGTX sy-vline 
WA_P08_P45GB0_STR-KOSTL sy-vline 
WA_P08_P45GB0_STR-KOSTT sy-vline 
WA_P08_P45GB0_STR-ABKRS sy-vline 
WA_P08_P45GB0_STR-ABKTX sy-vline 
WA_P08_P45GB0_STR-PERNR sy-vline 
WA_P08_P45GB0_STR-WORKS sy-vline 
WA_P08_P45GB0_STR-TDNUM sy-vline 
WA_P08_P45GB0_STR-TDREF sy-vline 
WA_P08_P45GB0_STR-PERID sy-vline 
WA_P08_P45GB0_STR-NACHN sy-vline 
WA_P08_P45GB0_STR-VORNA sy-vline 
WA_P08_P45GB0_STR-MIDNM sy-vline 
WA_P08_P45GB0_STR-ANRED sy-vline 
WA_P08_P45GB0_STR-PHIRE sy-vline 
WA_P08_P45GB0_STR-PFIRE sy-vline 
WA_P08_P45GB0_STR-STLD sy-vline 
WA_P08_P45GB0_STR-TXCOD sy-vline 
WA_P08_P45GB0_STR-DEPRT sy-vline 
WA_P08_P45GB0_STR-WKTXT sy-vline 
WA_P08_P45GB0_STR-EESTR sy-vline 
WA_P08_P45GB0_STR-EEADI sy-vline 
WA_P08_P45GB0_STR-EEDST sy-vline 
WA_P08_P45GB0_STR-EECIT sy-vline 
WA_P08_P45GB0_STR-EEPSZ sy-vline 
WA_P08_P45GB0_STR-ERNAM sy-vline 
WA_P08_P45GB0_STR-ERSTR sy-vline 
WA_P08_P45GB0_STR-ERDIS sy-vline 
WA_P08_P45GB0_STR-ERTWN sy-vline 
WA_P08_P45GB0_STR-ERPSZ sy-vline 
WA_P08_P45GB0_STR-DIED sy-vline 
WA_P08_P45GB0_STR-IDATE sy-vline 
WA_P08_P45GB0_STR-NOTE sy-vline 
WA_P08_P45GB0_STR-WORMN sy-vline 
WA_P08_P45GB0_STR-TXWKN sy-vline 
WA_P08_P45GB0_STR-TXMTN sy-vline 
WA_P08_P45GB0_STR-TOTPY sy-vline 
WA_P08_P45GB0_STR-TOTTX sy-vline 
WA_P08_P45GB0_STR-EMPPY sy-vline 
WA_P08_P45GB0_STR-EMPTX sy-vline 
WA_P08_P45GB0_STR-PRVPY sy-vline 
WA_P08_P45GB0_STR-PRVTX sy-vline 
WA_P08_P45GB0_STR-PAYDT sy-vline 
WA_P08_P45GB0_STR-TXRCH sy-vline 
WA_P08_P45GB0_STR-WKMNI sy-vline 
WA_P08_P45GB0_STR-PWKMN sy-vline 
WA_P08_P45GB0_STR-PRCNT sy-vline 
WA_P08_P45GB0_STR-GBDAT sy-vline 
WA_P08_P45GB0_STR-GESCH sy-vline 
WA_P08_P45GB0_STR-SLOAN sy-vline 
WA_P08_P45GB0_STR-EMPPEN sy-vline 
WA_P08_P45GB0_STR-EMPPENFORM sy-vline 
WA_P08_P45GB0_STR-EMPACTION sy-vline 
WA_P08_P45GB0_STR-EMPPENME sy-vline 
WA_P08_P45GB0_STR-EMPPYS sy-vline 
WA_P08_P45GB0_STR-EMPTXS sy-vline 
WA_P08_P45GB0_STR-WRKNO_IND sy-vline 
WA_P08_P45GB0_STR-P45SN sy-vline      INTO ld_text SEPARATED BY SPACE.

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