ABAP Select data from SAP table IBKK_PDINF into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IBKK_PDINF
*  INTO TABLE @DATA(IT_IBKK_PDINF2).
*--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_IBKK_PDINF INDEX 1 INTO DATA(WA_IBKK_PDINF2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IBKK_PDINF>-CRUSR = 1.
<IBKK_PDINF>-CRDAT = 1.
<IBKK_PDINF>-CRTIM = 1.
<IBKK_PDINF>-CHUSR = 1.
<IBKK_PDINF>-CHDAT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IBKK_PDINF-CHTIM, sy-vline,
  WA_IBKK_PDINF-RLUSR, sy-vline,
  WA_IBKK_PDINF-RLDAT, sy-vline,
  WA_IBKK_PDINF-RLTIM, sy-vline,
  WA_IBKK_PDINF-XCHK_CHQUE, sy-vline,
  WA_IBKK_PDINF-XCHK_VALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IBKK_PDINF 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_IBKK_PDINF 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_IBKK_PDINF INTO WA_IBKK_PDINF.


*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 REFNO_PN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IBKK_PDINF-REFNO_PN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IBKK_PDINF-REFNO_PN.
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_IBKK_PDINF_STR, 
CRUSR TYPE STRING,
CRDAT TYPE STRING,
CRTIM TYPE STRING,
CHUSR TYPE STRING,
CHDAT TYPE STRING,
CHTIM TYPE STRING,
RLUSR TYPE STRING,
RLDAT TYPE STRING,
RLTIM TYPE STRING,
XCHK_CHQUE TYPE STRING,
XCHK_VALUE TYPE STRING,
XCHK_LIMIT TYPE STRING,
XCHK_ACLCK TYPE STRING,
XCHK_BPLCK TYPE STRING,
XERR_SYST TYPE STRING,
XERR_CHQUE TYPE STRING,
XERR_VALUE TYPE STRING,
XERR_LIMIT TYPE STRING,
XERR_ACLCK TYPE STRING,
XERR_BPLCK TYPE STRING,
XREVERSE TYPE STRING,
XPRI_PPROC TYPE STRING,
REFNO_CR TYPE STRING,
REFNO_PAYM TYPE STRING,
REFNO_PN TYPE STRING,
REFNO_RTRN TYPE STRING,
REF_SONO TYPE STRING,
ITEMCNT TYPE STRING,
REVERSE_NO TYPE STRING,
REVERSE_PS TYPE STRING,
REF_PO_BK TYPE STRING,
REF_PO_NO TYPE STRING,
REF_PO_PS TYPE STRING,
REF_IT_BK TYPE STRING,
REF_IT_NO TYPE STRING,
REF_IT_PS TYPE STRING,
TRNSF_BK_B TYPE STRING,
TRNSF_NO_B TYPE STRING,
TRNSF_PS_B TYPE STRING,
TRNSF_BK_F TYPE STRING,
TRNSF_NO_F TYPE STRING,
TRNSF_PS_F TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IBKK_PDINF_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_IBKK_PDINF_STR-CRUSR sy-vline 
WA_IBKK_PDINF_STR-CRDAT sy-vline 
WA_IBKK_PDINF_STR-CRTIM sy-vline 
WA_IBKK_PDINF_STR-CHUSR sy-vline 
WA_IBKK_PDINF_STR-CHDAT sy-vline 
WA_IBKK_PDINF_STR-CHTIM sy-vline 
WA_IBKK_PDINF_STR-RLUSR sy-vline 
WA_IBKK_PDINF_STR-RLDAT sy-vline 
WA_IBKK_PDINF_STR-RLTIM sy-vline 
WA_IBKK_PDINF_STR-XCHK_CHQUE sy-vline 
WA_IBKK_PDINF_STR-XCHK_VALUE sy-vline 
WA_IBKK_PDINF_STR-XCHK_LIMIT sy-vline 
WA_IBKK_PDINF_STR-XCHK_ACLCK sy-vline 
WA_IBKK_PDINF_STR-XCHK_BPLCK sy-vline 
WA_IBKK_PDINF_STR-XERR_SYST sy-vline 
WA_IBKK_PDINF_STR-XERR_CHQUE sy-vline 
WA_IBKK_PDINF_STR-XERR_VALUE sy-vline 
WA_IBKK_PDINF_STR-XERR_LIMIT sy-vline 
WA_IBKK_PDINF_STR-XERR_ACLCK sy-vline 
WA_IBKK_PDINF_STR-XERR_BPLCK sy-vline 
WA_IBKK_PDINF_STR-XREVERSE sy-vline 
WA_IBKK_PDINF_STR-XPRI_PPROC sy-vline 
WA_IBKK_PDINF_STR-REFNO_CR sy-vline 
WA_IBKK_PDINF_STR-REFNO_PAYM sy-vline 
WA_IBKK_PDINF_STR-REFNO_PN sy-vline 
WA_IBKK_PDINF_STR-REFNO_RTRN sy-vline 
WA_IBKK_PDINF_STR-REF_SONO sy-vline 
WA_IBKK_PDINF_STR-ITEMCNT sy-vline 
WA_IBKK_PDINF_STR-REVERSE_NO sy-vline 
WA_IBKK_PDINF_STR-REVERSE_PS sy-vline 
WA_IBKK_PDINF_STR-REF_PO_BK sy-vline 
WA_IBKK_PDINF_STR-REF_PO_NO sy-vline 
WA_IBKK_PDINF_STR-REF_PO_PS sy-vline 
WA_IBKK_PDINF_STR-REF_IT_BK sy-vline 
WA_IBKK_PDINF_STR-REF_IT_NO sy-vline 
WA_IBKK_PDINF_STR-REF_IT_PS sy-vline 
WA_IBKK_PDINF_STR-TRNSF_BK_B sy-vline 
WA_IBKK_PDINF_STR-TRNSF_NO_B sy-vline 
WA_IBKK_PDINF_STR-TRNSF_PS_B sy-vline 
WA_IBKK_PDINF_STR-TRNSF_BK_F sy-vline 
WA_IBKK_PDINF_STR-TRNSF_NO_F sy-vline 
WA_IBKK_PDINF_STR-TRNSF_PS_F sy-vline      INTO ld_text SEPARATED BY SPACE.

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