ABAP Select data from SAP table PARITEMMIXEDACCT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PARITEMMIXEDACCT
*  INTO TABLE @DATA(IT_PARITEMMIXEDACCT2).
*--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_PARITEMMIXEDACCT INDEX 1 INTO DATA(WA_PARITEMMIXEDACCT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PARITEMMIXEDACCT-RECONCILIATIONACCOUNT, sy-vline,
  WA_PARITEMMIXEDACCT-INTERESTCALCULATIONCODE, sy-vline,
  WA_PARITEMMIXEDACCT-CUSTOMERHEADOFFICE, sy-vline,
  WA_PARITEMMIXEDACCT-ALTERNATIVEPAYERACCOUNT, sy-vline,
  WA_PARITEMMIXEDACCT-PAYMENTBLOCKINGREASON, sy-vline,
  WA_PARITEMMIXEDACCT-INTERESTCALCULATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PARITEMMIXEDACCT 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_PARITEMMIXEDACCT 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_PARITEMMIXEDACCT INTO WA_PARITEMMIXEDACCT.


*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_PARITEMMIXEDACCT-CUSTOMER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARITEMMIXEDACCT-CUSTOMER.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field CITYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PARITEMMIXEDACCT-CITYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PARITEMMIXEDACCT-CITYCODE.
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_PARITEMMIXEDACCT_STR, 
MANDT TYPE STRING,
CUSTOMER TYPE STRING,
COMPANYCODE TYPE STRING,
SUPPLIER TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
INTERESTCALCULATIONCODE TYPE STRING,
CUSTOMERHEADOFFICE TYPE STRING,
ALTERNATIVEPAYERACCOUNT TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
INTERESTCALCULATIONDATE TYPE STRING,
INTRSTCALCFREQUENCYINMONTHS TYPE STRING,
APARTOLERANCEGROUP TYPE STRING,
ITEMISTOBEPAIDSEPARATELY TYPE STRING,
PAYTADVICEISSENTBYEDI TYPE STRING,
CUSTOMERACCOUNTNOTE TYPE STRING,
CUSTOMERFINSAUTHORIZATIONGRP TYPE STRING,
CUSTOMERBASICAUTHORIZATIONGRP TYPE STRING,
CUSTOMERNAME TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CUSTOMERACCOUNTGROUP TYPE STRING,
VATREGISTRATION TYPE STRING,
INDUSTRY TYPE STRING,
DELIVERYISBLOCKED TYPE STRING,
POSTINGISBLOCKED TYPE STRING,
CUSTOMERCORPORATEGROUP TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
TAXNUMBER4 TYPE STRING,
TAXNUMBER5 TYPE STRING,
TAXJURISDICTION TYPE STRING,
ISONETIMEACCOUNT TYPE STRING,
SORTFIELD TYPE STRING,
COUNTRY TYPE STRING,
CITYNAME TYPE STRING,
POBOX TYPE STRING,
POBOXPOSTALCODE TYPE STRING,
POSTALCODE TYPE STRING,
REGION TYPE STRING,
CITYCODE TYPE STRING,
COUNTY TYPE STRING,
ALTERNATIVEPAYERISALLOWED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PARITEMMIXEDACCT_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_PARITEMMIXEDACCT_STR-MANDT sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMER sy-vline 
WA_PARITEMMIXEDACCT_STR-COMPANYCODE sy-vline 
WA_PARITEMMIXEDACCT_STR-SUPPLIER sy-vline 
WA_PARITEMMIXEDACCT_STR-ACCOUNTINGCLERK sy-vline 
WA_PARITEMMIXEDACCT_STR-RECONCILIATIONACCOUNT sy-vline 
WA_PARITEMMIXEDACCT_STR-INTERESTCALCULATIONCODE sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERHEADOFFICE sy-vline 
WA_PARITEMMIXEDACCT_STR-ALTERNATIVEPAYERACCOUNT sy-vline 
WA_PARITEMMIXEDACCT_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_PARITEMMIXEDACCT_STR-INTERESTCALCULATIONDATE sy-vline 
WA_PARITEMMIXEDACCT_STR-INTRSTCALCFREQUENCYINMONTHS sy-vline 
WA_PARITEMMIXEDACCT_STR-APARTOLERANCEGROUP sy-vline 
WA_PARITEMMIXEDACCT_STR-ITEMISTOBEPAIDSEPARATELY sy-vline 
WA_PARITEMMIXEDACCT_STR-PAYTADVICEISSENTBYEDI sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERACCOUNTNOTE sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERFINSAUTHORIZATIONGRP sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERBASICAUTHORIZATIONGRP sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERNAME sy-vline 
WA_PARITEMMIXEDACCT_STR-CREATEDBYUSER sy-vline 
WA_PARITEMMIXEDACCT_STR-CREATIONDATE sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERACCOUNTGROUP sy-vline 
WA_PARITEMMIXEDACCT_STR-VATREGISTRATION sy-vline 
WA_PARITEMMIXEDACCT_STR-INDUSTRY sy-vline 
WA_PARITEMMIXEDACCT_STR-DELIVERYISBLOCKED sy-vline 
WA_PARITEMMIXEDACCT_STR-POSTINGISBLOCKED sy-vline 
WA_PARITEMMIXEDACCT_STR-CUSTOMERCORPORATEGROUP sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXNUMBER1 sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXNUMBER2 sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXNUMBER3 sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXNUMBER4 sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXNUMBER5 sy-vline 
WA_PARITEMMIXEDACCT_STR-TAXJURISDICTION sy-vline 
WA_PARITEMMIXEDACCT_STR-ISONETIMEACCOUNT sy-vline 
WA_PARITEMMIXEDACCT_STR-SORTFIELD sy-vline 
WA_PARITEMMIXEDACCT_STR-COUNTRY sy-vline 
WA_PARITEMMIXEDACCT_STR-CITYNAME sy-vline 
WA_PARITEMMIXEDACCT_STR-POBOX sy-vline 
WA_PARITEMMIXEDACCT_STR-POBOXPOSTALCODE sy-vline 
WA_PARITEMMIXEDACCT_STR-POSTALCODE sy-vline 
WA_PARITEMMIXEDACCT_STR-REGION sy-vline 
WA_PARITEMMIXEDACCT_STR-CITYCODE sy-vline 
WA_PARITEMMIXEDACCT_STR-COUNTY sy-vline 
WA_PARITEMMIXEDACCT_STR-ALTERNATIVEPAYERISALLOWED sy-vline      INTO ld_text SEPARATED BY SPACE.

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