ABAP Select data from SAP table /PM0/ALTAPOLPR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /PM0/ALTAPOLPR 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 /PM0/ALTAPOLPR. 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 /PM0/ALTAPOLPR 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_/PM0/ALTAPOLPR TYPE STANDARD TABLE OF /PM0/ALTAPOLPR,
      WA_/PM0/ALTAPOLPR TYPE /PM0/ALTAPOLPR,
      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: </PM0/ALTAPOLPR> TYPE /PM0/ALTAPOLPR.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/PM0/ALTAPOLPR.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /PM0/ALTAPOLPR
  INTO TABLE IT_/PM0/ALTAPOLPR.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /PM0/ALTAPOLPR
*  INTO TABLE @DATA(IT_/PM0/ALTAPOLPR2).
*--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_/PM0/ALTAPOLPR INDEX 1 INTO DATA(WA_/PM0/ALTAPOLPR2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/PM0/ALTAPOLPR ASSIGNING </PM0/ALTAPOLPR>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</PM0/ALTAPOLPR>-AMAFTERTAX_AM = 1.
</PM0/ALTAPOLPR>-AMOFBNFCURR_AM = 1.
</PM0/ALTAPOLPR>-AMOFBNFPOLLOA_AM = 1.
</PM0/ALTAPOLPR>-AMOFPOSSLOAN_AM = 1.
</PM0/ALTAPOLPR>-AMRUNNING_AM = 1.

ENDLOOP.

LOOP AT IT_/PM0/ALTAPOLPR INTO WA_/PM0/ALTAPOLPR.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/PM0/ALTAPOLPR-ANNUITYTYPE_TT, sy-vline,
  WA_/PM0/ALTAPOLPR-BNFFINSURP_AM, sy-vline,
  WA_/PM0/ALTAPOLPR-BNFPOLPRODDTH_AM, sy-vline,
  WA_/PM0/ALTAPOLPR-BNFPOLPRODRUN_AM, sy-vline,
  WA_/PM0/ALTAPOLPR-BNFPOLPROD_AM, sy-vline,
  WA_/PM0/ALTAPOLPR-BNFSURPRUN_AM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/PM0/ALTAPOLPR 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_/PM0/ALTAPOLPR 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_/PM0/ALTAPOLPR INTO WA_/PM0/ALTAPOLPR.


*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 INSUREDPERS_ID
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/PM0/ALTAPOLPR-INSUREDPERS_ID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/PM0/ALTAPOLPR-INSUREDPERS_ID.
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_/PM0/ALTAPOLPR_STR, 
AMAFTERTAX_AM TYPE STRING,
AMOFBNFCURR_AM TYPE STRING,
AMOFBNFPOLLOA_AM TYPE STRING,
AMOFPOSSLOAN_AM TYPE STRING,
AMRUNNING_AM TYPE STRING,
ANNUITYTYPE_TT TYPE STRING,
BNFFINSURP_AM TYPE STRING,
BNFPOLPRODDTH_AM TYPE STRING,
BNFPOLPRODRUN_AM TYPE STRING,
BNFPOLPROD_AM TYPE STRING,
BNFSURPRUN_AM TYPE STRING,
BNFSURP_AM TYPE STRING,
CLCRL_TT TYPE STRING,
CPMIBNTARGRPB_TT TYPE STRING,
CURACCBAL_AM TYPE STRING,
EFFINTEREST_VL TYPE STRING,
HANDLE_CD TYPE STRING,
ICFLOAN_FG TYPE STRING,
ICFSUMCUR_FG TYPE STRING,
INFCORRESP_FG TYPE STRING,
INFINFRD_FG TYPE STRING,
INFRDTARGRPB_TT TYPE STRING,
INSAUT_TT TYPE STRING,
INSUREDPERS_ID TYPE STRING,
INSUREDPERS_TT TYPE STRING,
LPBSTYP_TT TYPE STRING,
MAXLOAN_AM TYPE STRING,
MAXSHIFTS_AM TYPE STRING,
NEWLOAN_AM TYPE STRING,
NOMINTRATE_VL TYPE STRING,
PARTNER_TT TYPE STRING,
POLLOANACCBAL_AM TYPE STRING,
PREMEXEMTION_TT TYPE STRING,
RB__CLCRL_ID__1 TYPE STRING,
RB__CLCRL_ID__2 TYPE STRING,
RB__USEINCREASBNF_CD__1 TYPE STRING,
RB__USEINCREASBNF_CD__2 TYPE STRING,
RB__USEREINSTATEM_CD__1 TYPE STRING,
RB__USEREINSTATEM_CD__2 TYPE STRING,
SUBTOTBEFTAX_AM TYPE STRING,
SURPLCASHPAYM_AM TYPE STRING,
USEINCREASBNF_TT TYPE STRING,
USEPREMREDUCT_TT TYPE STRING,
USEPREM_TT TYPE STRING,
USEREINSTATEM_TT TYPE STRING,
USESRCPARTSUR_TT TYPE STRING,
USESURVAL_TT TYPE STRING,
CUSTOMER_TL_CI TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/PM0/ALTAPOLPR_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_/PM0/ALTAPOLPR_STR-AMAFTERTAX_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-AMOFBNFCURR_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-AMOFBNFPOLLOA_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-AMOFPOSSLOAN_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-AMRUNNING_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-ANNUITYTYPE_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFFINSURP_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFPOLPRODDTH_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFPOLPRODRUN_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFPOLPROD_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFSURPRUN_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-BNFSURP_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-CLCRL_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-CPMIBNTARGRPB_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-CURACCBAL_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-EFFINTEREST_VL sy-vline 
WA_/PM0/ALTAPOLPR_STR-HANDLE_CD sy-vline 
WA_/PM0/ALTAPOLPR_STR-ICFLOAN_FG sy-vline 
WA_/PM0/ALTAPOLPR_STR-ICFSUMCUR_FG sy-vline 
WA_/PM0/ALTAPOLPR_STR-INFCORRESP_FG sy-vline 
WA_/PM0/ALTAPOLPR_STR-INFINFRD_FG sy-vline 
WA_/PM0/ALTAPOLPR_STR-INFRDTARGRPB_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-INSAUT_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-INSUREDPERS_ID sy-vline 
WA_/PM0/ALTAPOLPR_STR-INSUREDPERS_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-LPBSTYP_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-MAXLOAN_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-MAXSHIFTS_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-NEWLOAN_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-NOMINTRATE_VL sy-vline 
WA_/PM0/ALTAPOLPR_STR-PARTNER_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-POLLOANACCBAL_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-PREMEXEMTION_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__CLCRL_ID__1 sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__CLCRL_ID__2 sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__USEINCREASBNF_CD__1 sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__USEINCREASBNF_CD__2 sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__USEREINSTATEM_CD__1 sy-vline 
WA_/PM0/ALTAPOLPR_STR-RB__USEREINSTATEM_CD__2 sy-vline 
WA_/PM0/ALTAPOLPR_STR-SUBTOTBEFTAX_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-SURPLCASHPAYM_AM sy-vline 
WA_/PM0/ALTAPOLPR_STR-USEINCREASBNF_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-USEPREMREDUCT_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-USEPREM_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-USEREINSTATEM_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-USESRCPARTSUR_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-USESURVAL_TT sy-vline 
WA_/PM0/ALTAPOLPR_STR-CUSTOMER_TL_CI sy-vline      INTO ld_text SEPARATED BY SPACE.

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