ABAP Select data from SAP table ICADUNHEADER into internal table

Get Example source ABAP code based on a different SAP table
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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ICADUNHEADER 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 ICADUNHEADER. 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 ICADUNHEADER 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_ICADUNHEADER TYPE STANDARD TABLE OF ICADUNHEADER,
      WA_ICADUNHEADER TYPE ICADUNHEADER,
      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: <ICADUNHEADER> TYPE ICADUNHEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICADUNHEADER
*  INTO TABLE @DATA(IT_ICADUNHEADER2).
*--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_ICADUNHEADER INDEX 1 INTO DATA(WA_ICADUNHEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICADUNHEADER>-MANDT = 1.
<ICADUNHEADER>-CAMASSRUNDATE = 1.
<ICADUNHEADER>-CAMASSRUNID = 1.
<ICADUNHEADER>-BUSINESSPARTNER = 1.
<ICADUNHEADER>-CONTRACTACCOUNT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICADUNHEADER-CADUNNINGCOUNTER, sy-vline,
  WA_ICADUNHEADER-CACOMPANYCODEGROUP, sy-vline,
  WA_ICADUNHEADER-CASTANDARDCOMPANYCODE, sy-vline,
  WA_ICADUNHEADER-BUSINESSAREA, sy-vline,
  WA_ICADUNHEADER-DIVISION, sy-vline,
  WA_ICADUNHEADER-CACONTRACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICADUNHEADER 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_ICADUNHEADER 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_ICADUNHEADER INTO WA_ICADUNHEADER.


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

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

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

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

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

*Conversion exit ALPHA, internal->external for field CADOCUMENTFORDUNNINGCHARGE1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CADOCUMENTFORDUNNINGCHARGE2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CADOCUMENTFORDUNNINGCHARGE3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADUNHEADER-CADOCUMENTFORDUNNINGCHARGE3.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field CASUBSTITUTEDOCUMENTNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICADUNHEADER-CASUBSTITUTEDOCUMENTNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICADUNHEADER-CASUBSTITUTEDOCUMENTNUMBER.
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_ICADUNHEADER_STR, 
MANDT TYPE STRING,
CAMASSRUNDATE TYPE STRING,
CAMASSRUNID TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
CADUNNINGCOUNTER TYPE STRING,
CACOMPANYCODEGROUP TYPE STRING,
CASTANDARDCOMPANYCODE TYPE STRING,
BUSINESSAREA TYPE STRING,
DIVISION TYPE STRING,
CACONTRACT TYPE STRING,
CASUBAPPLICATION TYPE STRING,
CALEADINGCONTRACTACCOUNT TYPE STRING,
CAALTERNATIVEDUNNINGRECIPIENT TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
CADUNNINGNOTICEGROUP TYPE STRING,
CADUNNINGLEVEL TYPE STRING,
CADUNNINGLEVELCATEGORY TYPE STRING,
CACONTRACCTGROUPFORCOLLMGMT TYPE STRING,
CACONTRACTGROUPFORCOLLMGMT TYPE STRING,
CACLOSEDITEMGROUPFORCOLLMGMT TYPE STRING,
CACLOSEDITEMGROUPOFLASTDUNNING TYPE STRING,
CAGROUPINGFIELDFORCOLLMGMT TYPE STRING,
CAGROUPINGFIELDOFLASTDUNNING TYPE STRING,
CACOLLECTIONSTRATEGY TYPE STRING,
CACOLLECTIONSTEP TYPE STRING,
CACOLLECTIONSTEPOFLASTDUNNING TYPE STRING,
CAREPLACEDCOLLECTIONSTEP TYPE STRING,
CAREPLACEDCOLLECTIONSTRATEGY TYPE STRING,
CACOLLECTIONTESTSERIES TYPE STRING,
CACAPFORDUNACTYISRESTRICTED TYPE STRING,
CADUNNINGNOTICEMUSTBERELEASED TYPE STRING,
CALATESTRELEASEDATE TYPE STRING,
CARELEASEGROUP TYPE STRING,
CANEXTDUNNINGDATE TYPE STRING,
CAISSUEDATE TYPE STRING,
DUNNINGISSUEDATE TYPE STRING,
CADUNNINGACTIVITYRUNDATE TYPE STRING,
CAPAYMENTTARGETDATE TYPE STRING,
CAKEYDATEFORCONSIDEREDPAYTS TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CADUNNINGBALANCE TYPE STRING,
CADUNNINGREDUCTIONAMOUNT TYPE STRING,
CADUNNINGCHARGESSCHEMA TYPE STRING,
CAAMOUNTFORDUNNINGCHARGE1 TYPE STRING,
CADOCUMENTFORDUNNINGCHARGE1 TYPE STRING,
CATYPEFORDUNNINGCHARGE1 TYPE STRING,
CAPOSTINGCODEFORDUNNINGCHARGE1 TYPE STRING,
CAAMOUNTFORDUNNINGCHARGE2 TYPE STRING,
CADOCUMENTFORDUNNINGCHARGE2 TYPE STRING,
CATYPEFORDUNNINGCHARGE2 TYPE STRING,
CAPOSTINGCODEFORDUNNINGCHARGE2 TYPE STRING,
CAAMOUNTFORDUNNINGCHARGE3 TYPE STRING,
CADOCUMENTFORDUNNINGCHARGE3 TYPE STRING,
CATYPEFORDUNNINGCHARGE3 TYPE STRING,
CAPOSTINGCODEFORDUNNINGCHARGE3 TYPE STRING,
CADUNNINGCHARGEAMOUNT TYPE STRING,
CADUNNINGINTERESTAMOUNT TYPE STRING,
CADOCUMENTFORDUNNINGINTEREST TYPE STRING,
CACREDITWORTHINESSBEFOREDUN TYPE STRING,
CADUNNINGNOTICEISREVERSED TYPE STRING,
CAPAYMENTFORMNUMBER TYPE STRING,
CADUNNINGNOTICEISINFOONLY TYPE STRING,
CORRESPONDENCEKEY TYPE STRING,
CAISSUBMITTEDTOCOLLAGENCY TYPE STRING,
CAPAYMENTFORMEXTERNALNUMBER TYPE STRING,
CASTATISTICALITEMCODE TYPE STRING,
CASUBSTITUTEDOCUMENTCATEGORY TYPE STRING,
CASUBSTITUTEDOCUMENTNUMBER TYPE STRING,
CASUCCESSPERCENTAGE TYPE STRING,
CAMAXIMUMDEFERRALDATE TYPE STRING,
CADUNNINGVALUATIONRUNDATE TYPE STRING,
CADUNNINGVALUATIONSTATUS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICADUNHEADER_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_ICADUNHEADER_STR-MANDT sy-vline 
WA_ICADUNHEADER_STR-CAMASSRUNDATE sy-vline 
WA_ICADUNHEADER_STR-CAMASSRUNID sy-vline 
WA_ICADUNHEADER_STR-BUSINESSPARTNER sy-vline 
WA_ICADUNHEADER_STR-CONTRACTACCOUNT sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGCOUNTER sy-vline 
WA_ICADUNHEADER_STR-CACOMPANYCODEGROUP sy-vline 
WA_ICADUNHEADER_STR-CASTANDARDCOMPANYCODE sy-vline 
WA_ICADUNHEADER_STR-BUSINESSAREA sy-vline 
WA_ICADUNHEADER_STR-DIVISION sy-vline 
WA_ICADUNHEADER_STR-CACONTRACT sy-vline 
WA_ICADUNHEADER_STR-CASUBAPPLICATION sy-vline 
WA_ICADUNHEADER_STR-CALEADINGCONTRACTACCOUNT sy-vline 
WA_ICADUNHEADER_STR-CAALTERNATIVEDUNNINGRECIPIENT sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGPROCEDURE sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGNOTICEGROUP sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGLEVEL sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGLEVELCATEGORY sy-vline 
WA_ICADUNHEADER_STR-CACONTRACCTGROUPFORCOLLMGMT sy-vline 
WA_ICADUNHEADER_STR-CACONTRACTGROUPFORCOLLMGMT sy-vline 
WA_ICADUNHEADER_STR-CACLOSEDITEMGROUPFORCOLLMGMT sy-vline 
WA_ICADUNHEADER_STR-CACLOSEDITEMGROUPOFLASTDUNNING sy-vline 
WA_ICADUNHEADER_STR-CAGROUPINGFIELDFORCOLLMGMT sy-vline 
WA_ICADUNHEADER_STR-CAGROUPINGFIELDOFLASTDUNNING sy-vline 
WA_ICADUNHEADER_STR-CACOLLECTIONSTRATEGY sy-vline 
WA_ICADUNHEADER_STR-CACOLLECTIONSTEP sy-vline 
WA_ICADUNHEADER_STR-CACOLLECTIONSTEPOFLASTDUNNING sy-vline 
WA_ICADUNHEADER_STR-CAREPLACEDCOLLECTIONSTEP sy-vline 
WA_ICADUNHEADER_STR-CAREPLACEDCOLLECTIONSTRATEGY sy-vline 
WA_ICADUNHEADER_STR-CACOLLECTIONTESTSERIES sy-vline 
WA_ICADUNHEADER_STR-CACAPFORDUNACTYISRESTRICTED sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGNOTICEMUSTBERELEASED sy-vline 
WA_ICADUNHEADER_STR-CALATESTRELEASEDATE sy-vline 
WA_ICADUNHEADER_STR-CARELEASEGROUP sy-vline 
WA_ICADUNHEADER_STR-CANEXTDUNNINGDATE sy-vline 
WA_ICADUNHEADER_STR-CAISSUEDATE sy-vline 
WA_ICADUNHEADER_STR-DUNNINGISSUEDATE sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGACTIVITYRUNDATE sy-vline 
WA_ICADUNHEADER_STR-CAPAYMENTTARGETDATE sy-vline 
WA_ICADUNHEADER_STR-CAKEYDATEFORCONSIDEREDPAYTS sy-vline 
WA_ICADUNHEADER_STR-TRANSACTIONCURRENCY sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGBALANCE sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGREDUCTIONAMOUNT sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGCHARGESSCHEMA sy-vline 
WA_ICADUNHEADER_STR-CAAMOUNTFORDUNNINGCHARGE1 sy-vline 
WA_ICADUNHEADER_STR-CADOCUMENTFORDUNNINGCHARGE1 sy-vline 
WA_ICADUNHEADER_STR-CATYPEFORDUNNINGCHARGE1 sy-vline 
WA_ICADUNHEADER_STR-CAPOSTINGCODEFORDUNNINGCHARGE1 sy-vline 
WA_ICADUNHEADER_STR-CAAMOUNTFORDUNNINGCHARGE2 sy-vline 
WA_ICADUNHEADER_STR-CADOCUMENTFORDUNNINGCHARGE2 sy-vline 
WA_ICADUNHEADER_STR-CATYPEFORDUNNINGCHARGE2 sy-vline 
WA_ICADUNHEADER_STR-CAPOSTINGCODEFORDUNNINGCHARGE2 sy-vline 
WA_ICADUNHEADER_STR-CAAMOUNTFORDUNNINGCHARGE3 sy-vline 
WA_ICADUNHEADER_STR-CADOCUMENTFORDUNNINGCHARGE3 sy-vline 
WA_ICADUNHEADER_STR-CATYPEFORDUNNINGCHARGE3 sy-vline 
WA_ICADUNHEADER_STR-CAPOSTINGCODEFORDUNNINGCHARGE3 sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGCHARGEAMOUNT sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGINTERESTAMOUNT sy-vline 
WA_ICADUNHEADER_STR-CADOCUMENTFORDUNNINGINTEREST sy-vline 
WA_ICADUNHEADER_STR-CACREDITWORTHINESSBEFOREDUN sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGNOTICEISREVERSED sy-vline 
WA_ICADUNHEADER_STR-CAPAYMENTFORMNUMBER sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGNOTICEISINFOONLY sy-vline 
WA_ICADUNHEADER_STR-CORRESPONDENCEKEY sy-vline 
WA_ICADUNHEADER_STR-CAISSUBMITTEDTOCOLLAGENCY sy-vline 
WA_ICADUNHEADER_STR-CAPAYMENTFORMEXTERNALNUMBER sy-vline 
WA_ICADUNHEADER_STR-CASTATISTICALITEMCODE sy-vline 
WA_ICADUNHEADER_STR-CASUBSTITUTEDOCUMENTCATEGORY sy-vline 
WA_ICADUNHEADER_STR-CASUBSTITUTEDOCUMENTNUMBER sy-vline 
WA_ICADUNHEADER_STR-CASUCCESSPERCENTAGE sy-vline 
WA_ICADUNHEADER_STR-CAMAXIMUMDEFERRALDATE sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGVALUATIONRUNDATE sy-vline 
WA_ICADUNHEADER_STR-CADUNNINGVALUATIONSTATUS sy-vline      INTO ld_text SEPARATED BY SPACE.

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