ABAP Select data from SAP table PDAYSBYNDTERMS2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PDAYSBYNDTERMS2 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 PDAYSBYNDTERMS2. 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 PDAYSBYNDTERMS2 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_PDAYSBYNDTERMS2 TYPE STANDARD TABLE OF PDAYSBYNDTERMS2,
      WA_PDAYSBYNDTERMS2 TYPE PDAYSBYNDTERMS2,
      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: <PDAYSBYNDTERMS2> TYPE PDAYSBYNDTERMS2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PDAYSBYNDTERMS2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PDAYSBYNDTERMS2
  INTO TABLE IT_PDAYSBYNDTERMS2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PDAYSBYNDTERMS2
*  INTO TABLE @DATA(IT_PDAYSBYNDTERMS22).
*--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_PDAYSBYNDTERMS2 INDEX 1 INTO DATA(WA_PDAYSBYNDTERMS22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PDAYSBYNDTERMS2 ASSIGNING <PDAYSBYNDTERMS2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PDAYSBYNDTERMS2>-MANDT = 1.
<PDAYSBYNDTERMS2>-COMPANYCODE = 1.
<PDAYSBYNDTERMS2>-ACCOUNTINGDOCUMENT = 1.
<PDAYSBYNDTERMS2>-FISCALYEAR = 1.
<PDAYSBYNDTERMS2>-CUSTOMER = 1.

ENDLOOP.

LOOP AT IT_PDAYSBYNDTERMS2 INTO WA_PDAYSBYNDTERMS2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PDAYSBYNDTERMS2-PAYINGCOMPANYCODE, sy-vline,
  WA_PDAYSBYNDTERMS2-CUSTOMERPAYMENTCALENDARYEAR, sy-vline,
  WA_PDAYSBYNDTERMS2-CUSTOMERPAYMENTCALENDARMONTH, sy-vline,
  WA_PDAYSBYNDTERMS2-COMPANYCODECURRENCY, sy-vline,
  WA_PDAYSBYNDTERMS2-FINANCIALACCOUNTTYPE, sy-vline,
  WA_PDAYSBYNDTERMS2-CLEARINGISREVERSED, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PDAYSBYNDTERMS2 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_PDAYSBYNDTERMS2 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_PDAYSBYNDTERMS2 INTO WA_PDAYSBYNDTERMS2.


*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_PDAYSBYNDTERMS2-ACCOUNTINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDAYSBYNDTERMS2-ACCOUNTINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PDAYSBYNDTERMS2-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDAYSBYNDTERMS2-FISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CUSTOMER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PDAYSBYNDTERMS2-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDAYSBYNDTERMS2-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field CUSTOMERPAYMENTCALENDARYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PDAYSBYNDTERMS2-CUSTOMERPAYMENTCALENDARYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PDAYSBYNDTERMS2-CUSTOMERPAYMENTCALENDARYEAR.
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_PDAYSBYNDTERMS2_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
CUSTOMER TYPE STRING,
PAYINGCOMPANYCODE TYPE STRING,
CUSTOMERPAYMENTCALENDARYEAR TYPE STRING,
CUSTOMERPAYMENTCALENDARMONTH TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
CLEARINGISREVERSED TYPE STRING,
THISYEAR TYPE STRING,
THISMONTH TYPE STRING,
DAYS_ARREAR TYPE STRING,
CLEARED_AMOUNTS TYPE STRING,
LASTYEAR_INT4 TYPE STRING,
CALENDARYEAR_INT4 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PDAYSBYNDTERMS2_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_PDAYSBYNDTERMS2_STR-MANDT sy-vline 
WA_PDAYSBYNDTERMS2_STR-COMPANYCODE sy-vline 
WA_PDAYSBYNDTERMS2_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_PDAYSBYNDTERMS2_STR-FISCALYEAR sy-vline 
WA_PDAYSBYNDTERMS2_STR-CUSTOMER sy-vline 
WA_PDAYSBYNDTERMS2_STR-PAYINGCOMPANYCODE sy-vline 
WA_PDAYSBYNDTERMS2_STR-CUSTOMERPAYMENTCALENDARYEAR sy-vline 
WA_PDAYSBYNDTERMS2_STR-CUSTOMERPAYMENTCALENDARMONTH sy-vline 
WA_PDAYSBYNDTERMS2_STR-COMPANYCODECURRENCY sy-vline 
WA_PDAYSBYNDTERMS2_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PDAYSBYNDTERMS2_STR-CLEARINGISREVERSED sy-vline 
WA_PDAYSBYNDTERMS2_STR-THISYEAR sy-vline 
WA_PDAYSBYNDTERMS2_STR-THISMONTH sy-vline 
WA_PDAYSBYNDTERMS2_STR-DAYS_ARREAR sy-vline 
WA_PDAYSBYNDTERMS2_STR-CLEARED_AMOUNTS sy-vline 
WA_PDAYSBYNDTERMS2_STR-LASTYEAR_INT4 sy-vline 
WA_PDAYSBYNDTERMS2_STR-CALENDARYEAR_INT4 sy-vline      INTO ld_text SEPARATED BY SPACE.

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