ABAP Select data from SAP table PRBLSKDATDUE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PRBLSKDATDUE
*  INTO TABLE @DATA(IT_PRBLSKDATDUE2).
*--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_PRBLSKDATDUE INDEX 1 INTO DATA(WA_PRBLSKDATDUE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PRBLSKDATDUE>-MANDT = 1.
<PRBLSKDATDUE>-COMPANYCODE = 1.
<PRBLSKDATDUE>-CUSTOMER = 1.
<PRBLSKDATDUE>-ACCOUNTINGCLERK = 1.
<PRBLSKDATDUE>-CUSTOMERCOUNTRY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PRBLSKDATDUE-AUTHORIZATIONGROUP, sy-vline,
  WA_PRBLSKDATDUE-CUSTOMERNAME, sy-vline,
  WA_PRBLSKDATDUE-CHARTOFACCOUNTS, sy-vline,
  WA_PRBLSKDATDUE-SPECIALGLCODE, sy-vline,
  WA_PRBLSKDATDUE-RECONCILIATIONACCOUNT, sy-vline,
  WA_PRBLSKDATDUE-GLACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PRBLSKDATDUE 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_PRBLSKDATDUE 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_PRBLSKDATDUE INTO WA_PRBLSKDATDUE.


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

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

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

*Conversion exit GJAHR, internal->external for field REPORTINGYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_PRBLSKDATDUE-REPORTINGYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PRBLSKDATDUE-REPORTINGYEAR.
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_PRBLSKDATDUE_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
CUSTOMER TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
CUSTOMERCOUNTRY TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
CUSTOMERNAME TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
SPECIALGLCODE TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
GLACCOUNT TYPE STRING,
DISPLAYCURRENCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
BUSINESSAREA TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
REPORTINGYEAR TYPE STRING,
REPORTINGPERIOD TYPE STRING,
REPORTINGPERIODSTARTDATE TYPE STRING,
REPORTINGPERIODENDDATE TYPE STRING,
NETDUEINTVL1AMTINDSPCRCY TYPE STRING,
NETDUEINTVL2AMTINDSPCRCY TYPE STRING,
NETDUEINTVL3AMTINDSPCRCY TYPE STRING,
PARTIALPAYMENTAMTINDSPCRCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PRBLSKDATDUE_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_PRBLSKDATDUE_STR-MANDT sy-vline 
WA_PRBLSKDATDUE_STR-COMPANYCODE sy-vline 
WA_PRBLSKDATDUE_STR-CUSTOMER sy-vline 
WA_PRBLSKDATDUE_STR-ACCOUNTINGCLERK sy-vline 
WA_PRBLSKDATDUE_STR-CUSTOMERCOUNTRY sy-vline 
WA_PRBLSKDATDUE_STR-AUTHORIZATIONGROUP sy-vline 
WA_PRBLSKDATDUE_STR-CUSTOMERNAME sy-vline 
WA_PRBLSKDATDUE_STR-CHARTOFACCOUNTS sy-vline 
WA_PRBLSKDATDUE_STR-SPECIALGLCODE sy-vline 
WA_PRBLSKDATDUE_STR-RECONCILIATIONACCOUNT sy-vline 
WA_PRBLSKDATDUE_STR-GLACCOUNT sy-vline 
WA_PRBLSKDATDUE_STR-DISPLAYCURRENCY sy-vline 
WA_PRBLSKDATDUE_STR-COMPANYCODECURRENCY sy-vline 
WA_PRBLSKDATDUE_STR-TRANSACTIONCURRENCY sy-vline 
WA_PRBLSKDATDUE_STR-BUSINESSAREA sy-vline 
WA_PRBLSKDATDUE_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_PRBLSKDATDUE_STR-REPORTINGYEAR sy-vline 
WA_PRBLSKDATDUE_STR-REPORTINGPERIOD sy-vline 
WA_PRBLSKDATDUE_STR-REPORTINGPERIODSTARTDATE sy-vline 
WA_PRBLSKDATDUE_STR-REPORTINGPERIODENDDATE sy-vline 
WA_PRBLSKDATDUE_STR-NETDUEINTVL1AMTINDSPCRCY sy-vline 
WA_PRBLSKDATDUE_STR-NETDUEINTVL2AMTINDSPCRCY sy-vline 
WA_PRBLSKDATDUE_STR-NETDUEINTVL3AMTINDSPCRCY sy-vline 
WA_PRBLSKDATDUE_STR-PARTIALPAYMENTAMTINDSPCRCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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