ABAP Select data from SAP table PV288 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PV288 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 PV288. 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 PV288 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_PV288 TYPE STANDARD TABLE OF PV288,
      WA_PV288 TYPE PV288,
      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: <PV288> TYPE PV288.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PV288.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PV288
  INTO TABLE IT_PV288.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PV288
*  INTO TABLE @DATA(IT_PV2882).
*--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_PV288 INDEX 1 INTO DATA(WA_PV2882).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PV288 ASSIGNING <PV288>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PV288>-PERNR = 1.
<PV288>-INFTY = 1.
<PV288>-SUBTY = 1.
<PV288>-OBJPS = 1.
<PV288>-SPRPS = 1.

ENDLOOP.

LOOP AT IT_PV288 INTO WA_PV288.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PV288-ENDDA, sy-vline,
  WA_PV288-BEGDA, sy-vline,
  WA_PV288-SEQNR, sy-vline,
  WA_PV288-AEDTM, sy-vline,
  WA_PV288-UNAME, sy-vline,
  WA_PV288-HISTO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PV288 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_PV288 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_PV288 INTO WA_PV288.


*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 PDATE, internal->external for field FGBDT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_PV288-FGBDT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PV288-FGBDT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AHVNR, internal->external for field AHVNR
CALL FUNCTION 'CONVERSION_EXIT_AHVNR_OUTPUT'
  EXPORTING
    input =                      WA_PV288-AHVNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PV288-AHVNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AHVN2, internal->external for field NAHVN
CALL FUNCTION 'CONVERSION_EXIT_AHVN2_OUTPUT'
  EXPORTING
    input =                      WA_PV288-NAHVN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PV288-NAHVN.
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_PV288_STR, 
PERNR TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
OBJPS TYPE STRING,
SPRPS TYPE STRING,
ENDDA TYPE STRING,
BEGDA TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
HISTO TYPE STRING,
ITXEX TYPE STRING,
REFEX TYPE STRING,
ORDEX TYPE STRING,
ITBLD TYPE STRING,
PREAS TYPE STRING,
FLAG1 TYPE STRING,
FLAG2 TYPE STRING,
FLAG3 TYPE STRING,
FLAG4 TYPE STRING,
RESE1 TYPE STRING,
RESE2 TYPE STRING,
GRPVL TYPE STRING,
FAMSA TYPE STRING,
FGBDT TYPE STRING,
FGBLD TYPE STRING,
FANAT TYPE STRING,
FASEX TYPE STRING,
FAVOR TYPE STRING,
FANAM TYPE STRING,
FGBOT TYPE STRING,
FGDEP TYPE STRING,
ERBNR TYPE STRING,
FGBNA TYPE STRING,
FNAC2 TYPE STRING,
FCNAM TYPE STRING,
FKNZN TYPE STRING,
FINIT TYPE STRING,
FVRSW TYPE STRING,
FVRS2 TYPE STRING,
FNMZU TYPE STRING,
AHVNR TYPE STRING,
KDSVH TYPE STRING,
KDBSL TYPE STRING,
KDUTB TYPE STRING,
KDGBR TYPE STRING,
KDART TYPE STRING,
KDZUG TYPE STRING,
KDZUL TYPE STRING,
KDVBE TYPE STRING,
ERMNR TYPE STRING,
AUSVL TYPE STRING,
AUSVG TYPE STRING,
FASDT TYPE STRING,
FASAR TYPE STRING,
FASIN TYPE STRING,
EGAGA TYPE STRING,
FANA2 TYPE STRING,
FANA3 TYPE STRING,
BETRG TYPE STRING,
TITEL TYPE STRING,
EMRGN TYPE STRING,
AUSZFAK TYPE STRING,
KZKUERZ TYPE STRING,
NAHVN TYPE STRING,
LCOUN TYPE STRING,
LCANT TYPE STRING,
DIFAL TYPE STRING,
EMPYN TYPE STRING,
WCOUN TYPE STRING,
WCANT TYPE STRING,
ERADR TYPE STRING,
ETRNR TYPE STRING,
ETRNZ TYPE STRING,
ETBEG TYPE STRING,
ETEND TYPE STRING,
WHTDEDUC TYPE STRING,
PAYBEGDA TYPE STRING,
PAYENDDA TYPE STRING,
WORKCOMP TYPE STRING,
NEBEN TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PV288_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_PV288_STR-PERNR sy-vline 
WA_PV288_STR-INFTY sy-vline 
WA_PV288_STR-SUBTY sy-vline 
WA_PV288_STR-OBJPS sy-vline 
WA_PV288_STR-SPRPS sy-vline 
WA_PV288_STR-ENDDA sy-vline 
WA_PV288_STR-BEGDA sy-vline 
WA_PV288_STR-SEQNR sy-vline 
WA_PV288_STR-AEDTM sy-vline 
WA_PV288_STR-UNAME sy-vline 
WA_PV288_STR-HISTO sy-vline 
WA_PV288_STR-ITXEX sy-vline 
WA_PV288_STR-REFEX sy-vline 
WA_PV288_STR-ORDEX sy-vline 
WA_PV288_STR-ITBLD sy-vline 
WA_PV288_STR-PREAS sy-vline 
WA_PV288_STR-FLAG1 sy-vline 
WA_PV288_STR-FLAG2 sy-vline 
WA_PV288_STR-FLAG3 sy-vline 
WA_PV288_STR-FLAG4 sy-vline 
WA_PV288_STR-RESE1 sy-vline 
WA_PV288_STR-RESE2 sy-vline 
WA_PV288_STR-GRPVL sy-vline 
WA_PV288_STR-FAMSA sy-vline 
WA_PV288_STR-FGBDT sy-vline 
WA_PV288_STR-FGBLD sy-vline 
WA_PV288_STR-FANAT sy-vline 
WA_PV288_STR-FASEX sy-vline 
WA_PV288_STR-FAVOR sy-vline 
WA_PV288_STR-FANAM sy-vline 
WA_PV288_STR-FGBOT sy-vline 
WA_PV288_STR-FGDEP sy-vline 
WA_PV288_STR-ERBNR sy-vline 
WA_PV288_STR-FGBNA sy-vline 
WA_PV288_STR-FNAC2 sy-vline 
WA_PV288_STR-FCNAM sy-vline 
WA_PV288_STR-FKNZN sy-vline 
WA_PV288_STR-FINIT sy-vline 
WA_PV288_STR-FVRSW sy-vline 
WA_PV288_STR-FVRS2 sy-vline 
WA_PV288_STR-FNMZU sy-vline 
WA_PV288_STR-AHVNR sy-vline 
WA_PV288_STR-KDSVH sy-vline 
WA_PV288_STR-KDBSL sy-vline 
WA_PV288_STR-KDUTB sy-vline 
WA_PV288_STR-KDGBR sy-vline 
WA_PV288_STR-KDART sy-vline 
WA_PV288_STR-KDZUG sy-vline 
WA_PV288_STR-KDZUL sy-vline 
WA_PV288_STR-KDVBE sy-vline 
WA_PV288_STR-ERMNR sy-vline 
WA_PV288_STR-AUSVL sy-vline 
WA_PV288_STR-AUSVG sy-vline 
WA_PV288_STR-FASDT sy-vline 
WA_PV288_STR-FASAR sy-vline 
WA_PV288_STR-FASIN sy-vline 
WA_PV288_STR-EGAGA sy-vline 
WA_PV288_STR-FANA2 sy-vline 
WA_PV288_STR-FANA3 sy-vline 
WA_PV288_STR-BETRG sy-vline 
WA_PV288_STR-TITEL sy-vline 
WA_PV288_STR-EMRGN sy-vline 
WA_PV288_STR-AUSZFAK sy-vline 
WA_PV288_STR-KZKUERZ sy-vline 
WA_PV288_STR-NAHVN sy-vline 
WA_PV288_STR-LCOUN sy-vline 
WA_PV288_STR-LCANT sy-vline 
WA_PV288_STR-DIFAL sy-vline 
WA_PV288_STR-EMPYN sy-vline 
WA_PV288_STR-WCOUN sy-vline 
WA_PV288_STR-WCANT sy-vline 
WA_PV288_STR-ERADR sy-vline 
WA_PV288_STR-ETRNR sy-vline 
WA_PV288_STR-ETRNZ sy-vline 
WA_PV288_STR-ETBEG sy-vline 
WA_PV288_STR-ETEND sy-vline 
WA_PV288_STR-WHTDEDUC sy-vline 
WA_PV288_STR-PAYBEGDA sy-vline 
WA_PV288_STR-PAYENDDA sy-vline 
WA_PV288_STR-WORKCOMP sy-vline 
WA_PV288_STR-NEBEN sy-vline      INTO ld_text SEPARATED BY SPACE.

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