ABAP Select data from SAP table PFIAPCSHDISC14 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PFIAPCSHDISC14 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 PFIAPCSHDISC14. 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 PFIAPCSHDISC14 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_PFIAPCSHDISC14 TYPE STANDARD TABLE OF PFIAPCSHDISC14,
      WA_PFIAPCSHDISC14 TYPE PFIAPCSHDISC14,
      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: <PFIAPCSHDISC14> TYPE PFIAPCSHDISC14.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PFIAPCSHDISC14.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PFIAPCSHDISC14
  INTO TABLE IT_PFIAPCSHDISC14.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PFIAPCSHDISC14
*  INTO TABLE @DATA(IT_PFIAPCSHDISC142).
*--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_PFIAPCSHDISC14 INDEX 1 INTO DATA(WA_PFIAPCSHDISC142).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PFIAPCSHDISC14 ASSIGNING <PFIAPCSHDISC14>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PFIAPCSHDISC14>-MANDT = 1.
<PFIAPCSHDISC14>-COMPANYCODE = 1.
<PFIAPCSHDISC14>-ACCOUNTINGDOCUMENT = 1.
<PFIAPCSHDISC14>-FISCALYEAR = 1.
<PFIAPCSHDISC14>-ACCOUNTINGDOCUMENTITEM = 1.

ENDLOOP.

LOOP AT IT_PFIAPCSHDISC14 INTO WA_PFIAPCSHDISC14.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PFIAPCSHDISC14-SUPPLIER, sy-vline,
  WA_PFIAPCSHDISC14-PAYMENTBLOCKINGREASON, sy-vline,
  WA_PFIAPCSHDISC14-PAYMENTDATE, sy-vline,
  WA_PFIAPCSHDISC14-NEXTPAYMENTDATE, sy-vline,
  WA_PFIAPCSHDISC14-ISLASTPAYMENTDATE, sy-vline,
  WA_PFIAPCSHDISC14-PAYMENTTERMS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PFIAPCSHDISC14 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_PFIAPCSHDISC14 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_PFIAPCSHDISC14 INTO WA_PFIAPCSHDISC14.


*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 ACCOUNTINGDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPCSHDISC14-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPCSHDISC14-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPCSHDISC14-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPCSHDISC14-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field SUPPLIER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PFIAPCSHDISC14-SUPPLIER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PFIAPCSHDISC14-SUPPLIER.
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_PFIAPCSHDISC14_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
SUPPLIER TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
PAYMENTDATE TYPE STRING,
NEXTPAYMENTDATE TYPE STRING,
ISLASTPAYMENTDATE TYPE STRING,
PAYMENTTERMS TYPE STRING,
FIXEDCASHDISCOUNT TYPE STRING,
DUECALCULATIONBASEDATE TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
TERM1DAYS TYPE STRING,
TERM2DAYS TYPE STRING,
CASHDISCOUNT1INDSPCRCY_E TYPE STRING,
CASHDISCOUNT2INDSPCRCY_E TYPE STRING,
EXPIRINGCASHDISCOUNTAMOUNTORG TYPE STRING,
INVAMTWITHEXPIRINGCSHDISCORG TYPE STRING,
AVAICSHDISCAMTONKEYDATEORG TYPE STRING,
EXPIREDCSHDISCAMTONKEYDATEORG TYPE STRING,
GROSSAMOUNTINDISPLAYCRCY_E TYPE STRING,
CURRENCY TYPE STRING,
KEYDATE TYPE STRING,
NETDUEDATE TYPE STRING,
CASHDISCOUNT1DUEDATE TYPE STRING,
CASHDISCOUNT2DUEDATE TYPE STRING,
EXPIRINGCASHDISCOUNTAMOUNT TYPE STRING,
INVOICEAMTWITHEXPIRINGCSHDISC TYPE STRING,
AVAILABLECSHDISCAMTONKEYDATE TYPE STRING,
EXPIREDCSHDISCAMTONKEYDATE TYPE STRING,
DAYSBETWEENBASEPAY TYPE STRING,
DAYSBETWEENBASENEXTPAY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PFIAPCSHDISC14_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_PFIAPCSHDISC14_STR-MANDT sy-vline 
WA_PFIAPCSHDISC14_STR-COMPANYCODE sy-vline 
WA_PFIAPCSHDISC14_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PFIAPCSHDISC14_STR-FISCALYEAR sy-vline 
WA_PFIAPCSHDISC14_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_PFIAPCSHDISC14_STR-SUPPLIER sy-vline 
WA_PFIAPCSHDISC14_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_PFIAPCSHDISC14_STR-PAYMENTDATE sy-vline 
WA_PFIAPCSHDISC14_STR-NEXTPAYMENTDATE sy-vline 
WA_PFIAPCSHDISC14_STR-ISLASTPAYMENTDATE sy-vline 
WA_PFIAPCSHDISC14_STR-PAYMENTTERMS sy-vline 
WA_PFIAPCSHDISC14_STR-FIXEDCASHDISCOUNT sy-vline 
WA_PFIAPCSHDISC14_STR-DUECALCULATIONBASEDATE sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT1DAYS sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT2DAYS sy-vline 
WA_PFIAPCSHDISC14_STR-NETPAYMENTDAYS sy-vline 
WA_PFIAPCSHDISC14_STR-TERM1DAYS sy-vline 
WA_PFIAPCSHDISC14_STR-TERM2DAYS sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT1INDSPCRCY_E sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT2INDSPCRCY_E sy-vline 
WA_PFIAPCSHDISC14_STR-EXPIRINGCASHDISCOUNTAMOUNTORG sy-vline 
WA_PFIAPCSHDISC14_STR-INVAMTWITHEXPIRINGCSHDISCORG sy-vline 
WA_PFIAPCSHDISC14_STR-AVAICSHDISCAMTONKEYDATEORG sy-vline 
WA_PFIAPCSHDISC14_STR-EXPIREDCSHDISCAMTONKEYDATEORG sy-vline 
WA_PFIAPCSHDISC14_STR-GROSSAMOUNTINDISPLAYCRCY_E sy-vline 
WA_PFIAPCSHDISC14_STR-CURRENCY sy-vline 
WA_PFIAPCSHDISC14_STR-KEYDATE sy-vline 
WA_PFIAPCSHDISC14_STR-NETDUEDATE sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT1DUEDATE sy-vline 
WA_PFIAPCSHDISC14_STR-CASHDISCOUNT2DUEDATE sy-vline 
WA_PFIAPCSHDISC14_STR-EXPIRINGCASHDISCOUNTAMOUNT sy-vline 
WA_PFIAPCSHDISC14_STR-INVOICEAMTWITHEXPIRINGCSHDISC sy-vline 
WA_PFIAPCSHDISC14_STR-AVAILABLECSHDISCAMTONKEYDATE sy-vline 
WA_PFIAPCSHDISC14_STR-EXPIREDCSHDISCAMTONKEYDATE sy-vline 
WA_PFIAPCSHDISC14_STR-DAYSBETWEENBASEPAY sy-vline 
WA_PFIAPCSHDISC14_STR-DAYSBETWEENBASENEXTPAY sy-vline      INTO ld_text SEPARATED BY SPACE.

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