ABAP Select data from SAP table CCOLLINVSIT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CCOLLINVSIT
*  INTO TABLE @DATA(IT_CCOLLINVSIT2).
*--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_CCOLLINVSIT INDEX 1 INTO DATA(WA_CCOLLINVSIT2).


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

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

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CCOLLINVSIT-CUSTOMER, sy-vline,
  WA_CCOLLINVSIT-BILLINGDOCUMENT, sy-vline,
  WA_CCOLLINVSIT-POSTINGDATE, sy-vline,
  WA_CCOLLINVSIT-NETDUEDATE, sy-vline,
  WA_CCOLLINVSIT-CASHDISCOUNT1DUEDATE, sy-vline,
  WA_CCOLLINVSIT-PAYMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CCOLLINVSIT 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_CCOLLINVSIT 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_CCOLLINVSIT INTO WA_CCOLLINVSIT.


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

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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PROMISETOPAY
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CCOLLINVSIT-PROMISETOPAY
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CCOLLINVSIT-PROMISETOPAY.
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_CCOLLINVSIT_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
FISCALYEAR TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
CUSTOMER TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
POSTINGDATE TYPE STRING,
NETDUEDATE TYPE STRING,
CASHDISCOUNT1DUEDATE TYPE STRING,
PAYMENTDATE TYPE STRING,
LASTDUNNINGDATE TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
AMOUNTINTRANSACTIONCURRENCY TYPE STRING,
PAIDAMOUNT TYPE STRING,
OPENAMOUNTINDOCUMENTCURRENCY TYPE STRING,
CREDITEDAMOUNT TYPE STRING,
DUNNEDAMOUNT TYPE STRING,
ARRANGEDAMOUNT TYPE STRING,
CASHDISCOUNTAMTINTRANSACCRCY TYPE STRING,
BRANCHACCOUNT TYPE STRING,
OBJECTKEY TYPE STRING,
COLLECTIONSINVOICEUNIQUEID TYPE STRING,
COLLECTIONSEGMENT TYPE STRING,
OVERDUEDAYS TYPE STRING,
REFERENCEDOCUMENTLOGICALSYSTEM TYPE STRING,
LASTDUNNINGDURATIONINDAYS TYPE STRING,
FINANCIALACCOUNTTYPE TYPE STRING,
POSTINGKEY TYPE STRING,
SPECIALGLCODE TYPE STRING,
DUNNINGBLOCKINGREASON TYPE STRING,
DUNNINGLEVEL TYPE STRING,
FISCALPERIOD TYPE STRING,
DOCUMENTDATE TYPE STRING,
OPERATIONALGLACCOUNT TYPE STRING,
PAYMENTMETHOD TYPE STRING,
COUNTRY TYPE STRING,
REFERENCE1INDOCUMENTHEADER TYPE STRING,
REFERENCE2INDOCUMENTHEADER TYPE STRING,
DISPUTECASE TYPE STRING,
DISPUTEDAMOUNT TYPE STRING,
CASEREASON TYPE STRING,
CASESTATUS TYPE STRING,
PROMISETOPAY TYPE STRING,
PROMISEDAMOUNT TYPE STRING,
PROMISETOPAYDUEDATE TYPE STRING,
PROMISETOPAYLEVEL TYPE STRING,
PROMISETOPAYSTATUS TYPE STRING,
RESUBMISSIONUUID TYPE STRING,
RESUBMISSIONDUEDATE TYPE STRING,
RESUBMISSIONREASON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CCOLLINVSIT_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_CCOLLINVSIT_STR-MANDT sy-vline 
WA_CCOLLINVSIT_STR-COMPANYCODE sy-vline 
WA_CCOLLINVSIT_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_CCOLLINVSIT_STR-FISCALYEAR sy-vline 
WA_CCOLLINVSIT_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_CCOLLINVSIT_STR-CUSTOMER sy-vline 
WA_CCOLLINVSIT_STR-BILLINGDOCUMENT sy-vline 
WA_CCOLLINVSIT_STR-POSTINGDATE sy-vline 
WA_CCOLLINVSIT_STR-NETDUEDATE sy-vline 
WA_CCOLLINVSIT_STR-CASHDISCOUNT1DUEDATE sy-vline 
WA_CCOLLINVSIT_STR-PAYMENTDATE sy-vline 
WA_CCOLLINVSIT_STR-LASTDUNNINGDATE sy-vline 
WA_CCOLLINVSIT_STR-TRANSACTIONCURRENCY sy-vline 
WA_CCOLLINVSIT_STR-AMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_CCOLLINVSIT_STR-PAIDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-OPENAMOUNTINDOCUMENTCURRENCY sy-vline 
WA_CCOLLINVSIT_STR-CREDITEDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-DUNNEDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-ARRANGEDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-CASHDISCOUNTAMTINTRANSACCRCY sy-vline 
WA_CCOLLINVSIT_STR-BRANCHACCOUNT sy-vline 
WA_CCOLLINVSIT_STR-OBJECTKEY sy-vline 
WA_CCOLLINVSIT_STR-COLLECTIONSINVOICEUNIQUEID sy-vline 
WA_CCOLLINVSIT_STR-COLLECTIONSEGMENT sy-vline 
WA_CCOLLINVSIT_STR-OVERDUEDAYS sy-vline 
WA_CCOLLINVSIT_STR-REFERENCEDOCUMENTLOGICALSYSTEM sy-vline 
WA_CCOLLINVSIT_STR-LASTDUNNINGDURATIONINDAYS sy-vline 
WA_CCOLLINVSIT_STR-FINANCIALACCOUNTTYPE sy-vline 
WA_CCOLLINVSIT_STR-POSTINGKEY sy-vline 
WA_CCOLLINVSIT_STR-SPECIALGLCODE sy-vline 
WA_CCOLLINVSIT_STR-DUNNINGBLOCKINGREASON sy-vline 
WA_CCOLLINVSIT_STR-DUNNINGLEVEL sy-vline 
WA_CCOLLINVSIT_STR-FISCALPERIOD sy-vline 
WA_CCOLLINVSIT_STR-DOCUMENTDATE sy-vline 
WA_CCOLLINVSIT_STR-OPERATIONALGLACCOUNT sy-vline 
WA_CCOLLINVSIT_STR-PAYMENTMETHOD sy-vline 
WA_CCOLLINVSIT_STR-COUNTRY sy-vline 
WA_CCOLLINVSIT_STR-REFERENCE1INDOCUMENTHEADER sy-vline 
WA_CCOLLINVSIT_STR-REFERENCE2INDOCUMENTHEADER sy-vline 
WA_CCOLLINVSIT_STR-DISPUTECASE sy-vline 
WA_CCOLLINVSIT_STR-DISPUTEDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-CASEREASON sy-vline 
WA_CCOLLINVSIT_STR-CASESTATUS sy-vline 
WA_CCOLLINVSIT_STR-PROMISETOPAY sy-vline 
WA_CCOLLINVSIT_STR-PROMISEDAMOUNT sy-vline 
WA_CCOLLINVSIT_STR-PROMISETOPAYDUEDATE sy-vline 
WA_CCOLLINVSIT_STR-PROMISETOPAYLEVEL sy-vline 
WA_CCOLLINVSIT_STR-PROMISETOPAYSTATUS sy-vline 
WA_CCOLLINVSIT_STR-RESUBMISSIONUUID sy-vline 
WA_CCOLLINVSIT_STR-RESUBMISSIONDUEDATE sy-vline 
WA_CCOLLINVSIT_STR-RESUBMISSIONREASON sy-vline      INTO ld_text SEPARATED BY SPACE.

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