ABAP Select data from SAP table IPAYTREQNLINEITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IPAYTREQNLINEITM
*  INTO TABLE @DATA(IT_IPAYTREQNLINEITM2).
*--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_IPAYTREQNLINEITM INDEX 1 INTO DATA(WA_IPAYTREQNLINEITM2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IPAYTREQNLINEITM-ACCOUNTINGDOCUMENTCATEGORY, sy-vline,
  WA_IPAYTREQNLINEITM-FINANCIALACCOUNTTYPE, sy-vline,
  WA_IPAYTREQNLINEITM-NETDUESTATUS, sy-vline,
  WA_IPAYTREQNLINEITM-NETDUEDATE, sy-vline,
  WA_IPAYTREQNLINEITM-ITEMTYPE, sy-vline,
  WA_IPAYTREQNLINEITM-TRANSACTIONCURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IPAYTREQNLINEITM 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_IPAYTREQNLINEITM 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_IPAYTREQNLINEITM INTO WA_IPAYTREQNLINEITM.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PROFITCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IPAYTREQNLINEITM-PROFITCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IPAYTREQNLINEITM-PROFITCENTER.
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_IPAYTREQNLINEITM_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
ACCOUNTINGDOCUMENTCATEGORY TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
NETDUESTATUS TYPE STRING,
NETDUEDATE TYPE STRING,
ITEMTYPE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
PAIDAMOUNTINPAYTCURRENCY TYPE STRING,
PAYMENTREQUESTAMOUNTINPAYTCRCY TYPE STRING,
REMAININGOPENAMTINDSPCRCY TYPE STRING,
SUPPLIER TYPE STRING,
SUPPLIERBANKTYPE TYPE STRING,
SUPPLIERISONETIMEACCOUNT TYPE STRING,
NETDUEARREARSDAYS TYPE STRING,
CLEARINGSTATUS TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
SPECIALGLCODE TYPE STRING,
PAYMENTMETHOD TYPE STRING,
PAYMENTISBLOCKEDFORSUPPLIER TYPE STRING,
COSTCENTER TYPE STRING,
PURCHASEORDER TYPE STRING,
PURCHASINGDOCUMENT TYPE STRING,
PURCHASINGDOCUMENTITEM TYPE STRING,
SALESDOCUMENT TYPE STRING,
SALESDOCUMENTITEM TYPE STRING,
CASHDISCOUNT1DUEDATE TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
DUECALCULATIONBASEDATE TYPE STRING,
WBSELEMENTINTERNALID TYPE STRING,
WBSELEMENTEXTERNALID TYPE STRING,
CONTROLLINGAREA TYPE STRING,
PROFITCENTER TYPE STRING,
BRANCHCODE TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,
ASSIGNMENTREFERENCE TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
REFERENCE1IDBYBUSINESSPARTNER TYPE STRING,
REFERENCE2IDBYBUSINESSPARTNER TYPE STRING,
REFERENCE3IDBYBUSINESSPARTNER TYPE STRING,
SUPPLIERNAME TYPE STRING,
COUNTRY TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IPAYTREQNLINEITM_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_IPAYTREQNLINEITM_STR-MANDT sy-vline 
WA_IPAYTREQNLINEITM_STR-COMPANYCODE sy-vline 
WA_IPAYTREQNLINEITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_IPAYTREQNLINEITM_STR-FISCALYEAR sy-vline 
WA_IPAYTREQNLINEITM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_IPAYTREQNLINEITM_STR-ACCOUNTINGDOCUMENTCATEGORY sy-vline 
WA_IPAYTREQNLINEITM_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_IPAYTREQNLINEITM_STR-NETDUESTATUS sy-vline 
WA_IPAYTREQNLINEITM_STR-NETDUEDATE sy-vline 
WA_IPAYTREQNLINEITM_STR-ITEMTYPE sy-vline 
WA_IPAYTREQNLINEITM_STR-TRANSACTIONCURRENCY sy-vline 
WA_IPAYTREQNLINEITM_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_IPAYTREQNLINEITM_STR-PAIDAMOUNTINPAYTCURRENCY sy-vline 
WA_IPAYTREQNLINEITM_STR-PAYMENTREQUESTAMOUNTINPAYTCRCY sy-vline 
WA_IPAYTREQNLINEITM_STR-REMAININGOPENAMTINDSPCRCY sy-vline 
WA_IPAYTREQNLINEITM_STR-SUPPLIER sy-vline 
WA_IPAYTREQNLINEITM_STR-SUPPLIERBANKTYPE sy-vline 
WA_IPAYTREQNLINEITM_STR-SUPPLIERISONETIMEACCOUNT sy-vline 
WA_IPAYTREQNLINEITM_STR-NETDUEARREARSDAYS sy-vline 
WA_IPAYTREQNLINEITM_STR-CLEARINGSTATUS sy-vline 
WA_IPAYTREQNLINEITM_STR-DOCUMENTDATE sy-vline 
WA_IPAYTREQNLINEITM_STR-POSTINGDATE sy-vline 
WA_IPAYTREQNLINEITM_STR-SPECIALGLCODE sy-vline 
WA_IPAYTREQNLINEITM_STR-PAYMENTMETHOD sy-vline 
WA_IPAYTREQNLINEITM_STR-PAYMENTISBLOCKEDFORSUPPLIER sy-vline 
WA_IPAYTREQNLINEITM_STR-COSTCENTER sy-vline 
WA_IPAYTREQNLINEITM_STR-PURCHASEORDER sy-vline 
WA_IPAYTREQNLINEITM_STR-PURCHASINGDOCUMENT sy-vline 
WA_IPAYTREQNLINEITM_STR-PURCHASINGDOCUMENTITEM sy-vline 
WA_IPAYTREQNLINEITM_STR-SALESDOCUMENT sy-vline 
WA_IPAYTREQNLINEITM_STR-SALESDOCUMENTITEM sy-vline 
WA_IPAYTREQNLINEITM_STR-CASHDISCOUNT1DUEDATE sy-vline 
WA_IPAYTREQNLINEITM_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_IPAYTREQNLINEITM_STR-CASHDISCOUNT1DAYS sy-vline 
WA_IPAYTREQNLINEITM_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_IPAYTREQNLINEITM_STR-CASHDISCOUNT2DAYS sy-vline 
WA_IPAYTREQNLINEITM_STR-DUECALCULATIONBASEDATE sy-vline 
WA_IPAYTREQNLINEITM_STR-WBSELEMENTINTERNALID sy-vline 
WA_IPAYTREQNLINEITM_STR-WBSELEMENTEXTERNALID sy-vline 
WA_IPAYTREQNLINEITM_STR-CONTROLLINGAREA sy-vline 
WA_IPAYTREQNLINEITM_STR-PROFITCENTER sy-vline 
WA_IPAYTREQNLINEITM_STR-BRANCHCODE sy-vline 
WA_IPAYTREQNLINEITM_STR-DOCUMENTITEMTEXT sy-vline 
WA_IPAYTREQNLINEITM_STR-ASSIGNMENTREFERENCE sy-vline 
WA_IPAYTREQNLINEITM_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_IPAYTREQNLINEITM_STR-REFERENCE1IDBYBUSINESSPARTNER sy-vline 
WA_IPAYTREQNLINEITM_STR-REFERENCE2IDBYBUSINESSPARTNER sy-vline 
WA_IPAYTREQNLINEITM_STR-REFERENCE3IDBYBUSINESSPARTNER sy-vline 
WA_IPAYTREQNLINEITM_STR-SUPPLIERNAME sy-vline 
WA_IPAYTREQNLINEITM_STR-COUNTRY sy-vline 
WA_IPAYTREQNLINEITM_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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