ABAP Select data from SAP table PAPITEMMIXEDACCT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PAPITEMMIXEDACCT
*  INTO TABLE @DATA(IT_PAPITEMMIXEDACCT2).
*--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_PAPITEMMIXEDACCT INDEX 1 INTO DATA(WA_PAPITEMMIXEDACCT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PAPITEMMIXEDACCT>-MANDT = 1.
<PAPITEMMIXEDACCT>-CREDITOR = 1.
<PAPITEMMIXEDACCT>-COMPANYCODE = 1.
<PAPITEMMIXEDACCT>-DEBTOR = 1.
<PAPITEMMIXEDACCT>-SUPPLIERNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PAPITEMMIXEDACCT-INDUSTRY, sy-vline,
  WA_PAPITEMMIXEDACCT-CREATIONDATE, sy-vline,
  WA_PAPITEMMIXEDACCT-CREATEDBYUSER, sy-vline,
  WA_PAPITEMMIXEDACCT-SUPPLIERCORPORATEGROUP, sy-vline,
  WA_PAPITEMMIXEDACCT-SUPPLIERACCOUNTGROUP, sy-vline,
  WA_PAPITEMMIXEDACCT-ACCOUNTISBLOCKEDFORPOSTING, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_PAPITEMMIXEDACCT 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_PAPITEMMIXEDACCT 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_PAPITEMMIXEDACCT INTO WA_PAPITEMMIXEDACCT.


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

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

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

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

*Conversion exit ALPHA, internal->external for field ALTERNATIVEPAYEE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_PAPITEMMIXEDACCT-ALTERNATIVEPAYEE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_PAPITEMMIXEDACCT-ALTERNATIVEPAYEE.
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_PAPITEMMIXEDACCT_STR, 
MANDT TYPE STRING,
CREDITOR TYPE STRING,
COMPANYCODE TYPE STRING,
DEBTOR TYPE STRING,
SUPPLIERNAME TYPE STRING,
INDUSTRY TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
SUPPLIERCORPORATEGROUP TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,
ACCOUNTISBLOCKEDFORPOSTING TYPE STRING,
TAXNUMBER1 TYPE STRING,
TAXNUMBER2 TYPE STRING,
TAXNUMBER3 TYPE STRING,
TAXNUMBER4 TYPE STRING,
TAXNUMBER5 TYPE STRING,
ISONETIMEACCOUNT TYPE STRING,
VATREGISTRATION TYPE STRING,
TAXJURISDICTION TYPE STRING,
COUNTRY TYPE STRING,
CITYNAME TYPE STRING,
POBOX TYPE STRING,
POBOXPOSTALCODE TYPE STRING,
POSTALCODE TYPE STRING,
REGION TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
RECONCILIATIONACCOUNT TYPE STRING,
INTERESTCALCULATIONCODE TYPE STRING,
SUPPLIERHEADOFFICE TYPE STRING,
ALTERNATIVEPAYEE TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
INTERESTCALCULATIONDATE TYPE STRING,
INTRSTCALCFREQUENCYINMONTHS TYPE STRING,
APARTOLERANCEGROUP TYPE STRING,
ITEMISTOBEPAIDSEPARATELY TYPE STRING,
PAYMENTISTOBESENTBYEDI TYPE STRING,
SUPPLIERACCOUNTNOTE TYPE STRING,
SUPPLIERFINSAUTHORIZATIONGRP TYPE STRING,
SUPPLIERBASICAUTHORIZATIONGRP TYPE STRING,
SORTFIELD TYPE STRING,
ALTERNATIVEPAYEEISALLOWED TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PAPITEMMIXEDACCT_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_PAPITEMMIXEDACCT_STR-MANDT sy-vline 
WA_PAPITEMMIXEDACCT_STR-CREDITOR sy-vline 
WA_PAPITEMMIXEDACCT_STR-COMPANYCODE sy-vline 
WA_PAPITEMMIXEDACCT_STR-DEBTOR sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERNAME sy-vline 
WA_PAPITEMMIXEDACCT_STR-INDUSTRY sy-vline 
WA_PAPITEMMIXEDACCT_STR-CREATIONDATE sy-vline 
WA_PAPITEMMIXEDACCT_STR-CREATEDBYUSER sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERCORPORATEGROUP sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERACCOUNTGROUP sy-vline 
WA_PAPITEMMIXEDACCT_STR-ACCOUNTISBLOCKEDFORPOSTING sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXNUMBER1 sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXNUMBER2 sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXNUMBER3 sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXNUMBER4 sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXNUMBER5 sy-vline 
WA_PAPITEMMIXEDACCT_STR-ISONETIMEACCOUNT sy-vline 
WA_PAPITEMMIXEDACCT_STR-VATREGISTRATION sy-vline 
WA_PAPITEMMIXEDACCT_STR-TAXJURISDICTION sy-vline 
WA_PAPITEMMIXEDACCT_STR-COUNTRY sy-vline 
WA_PAPITEMMIXEDACCT_STR-CITYNAME sy-vline 
WA_PAPITEMMIXEDACCT_STR-POBOX sy-vline 
WA_PAPITEMMIXEDACCT_STR-POBOXPOSTALCODE sy-vline 
WA_PAPITEMMIXEDACCT_STR-POSTALCODE sy-vline 
WA_PAPITEMMIXEDACCT_STR-REGION sy-vline 
WA_PAPITEMMIXEDACCT_STR-ACCOUNTINGCLERK sy-vline 
WA_PAPITEMMIXEDACCT_STR-RECONCILIATIONACCOUNT sy-vline 
WA_PAPITEMMIXEDACCT_STR-INTERESTCALCULATIONCODE sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERHEADOFFICE sy-vline 
WA_PAPITEMMIXEDACCT_STR-ALTERNATIVEPAYEE sy-vline 
WA_PAPITEMMIXEDACCT_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_PAPITEMMIXEDACCT_STR-INTERESTCALCULATIONDATE sy-vline 
WA_PAPITEMMIXEDACCT_STR-INTRSTCALCFREQUENCYINMONTHS sy-vline 
WA_PAPITEMMIXEDACCT_STR-APARTOLERANCEGROUP sy-vline 
WA_PAPITEMMIXEDACCT_STR-ITEMISTOBEPAIDSEPARATELY sy-vline 
WA_PAPITEMMIXEDACCT_STR-PAYMENTISTOBESENTBYEDI sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERACCOUNTNOTE sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERFINSAUTHORIZATIONGRP sy-vline 
WA_PAPITEMMIXEDACCT_STR-SUPPLIERBASICAUTHORIZATIONGRP sy-vline 
WA_PAPITEMMIXEDACCT_STR-SORTFIELD sy-vline 
WA_PAPITEMMIXEDACCT_STR-ALTERNATIVEPAYEEISALLOWED sy-vline      INTO ld_text SEPARATED BY SPACE.

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