ABAP Select data from SAP table CPSOVERDUEFKPI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPSOVERDUEFKPI
*  INTO TABLE @DATA(IT_CPSOVERDUEFKPI2).
*--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_CPSOVERDUEFKPI INDEX 1 INTO DATA(WA_CPSOVERDUEFKPI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPSOVERDUEFKPI>-MANDT = 1.
<CPSOVERDUEFKPI>-CACORRESPONDENCETYPE = 1.
<CPSOVERDUEFKPI>-TAXPAYER = 1.
<CPSOVERDUEFKPI>-TAXPAYERACCOUNT = 1.
<CPSOVERDUEFKPI>-CACORRESPONDENCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPSOVERDUEFKPI-TAXPAYERACCOUNTNAME, sy-vline,
  WA_CPSOVERDUEFKPI-TAXPAYERNAME, sy-vline,
  WA_CPSOVERDUEFKPI-NROFPUBSECOVRDINBCORRESPNCREQ, sy-vline,
  WA_CPSOVERDUEFKPI-TAXPAYERCONTRACT, sy-vline,
  WA_CPSOVERDUEFKPI-TAXPAYERCONTRACTNAME, sy-vline,
  WA_CPSOVERDUEFKPI-CORRESPONDENCEISSUEDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPSOVERDUEFKPI 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_CPSOVERDUEFKPI 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_CPSOVERDUEFKPI INTO WA_CPSOVERDUEFKPI.


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

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

*Conversion exit ALPHA, internal->external for field TAXPAYERCONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPSOVERDUEFKPI-TAXPAYERCONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPSOVERDUEFKPI-TAXPAYERCONTRACT.
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_CPSOVERDUEFKPI_STR, 
MANDT TYPE STRING,
CACORRESPONDENCETYPE TYPE STRING,
TAXPAYER TYPE STRING,
TAXPAYERACCOUNT TYPE STRING,
CACORRESPONDENCE TYPE STRING,
TAXPAYERACCOUNTNAME TYPE STRING,
TAXPAYERNAME TYPE STRING,
NROFPUBSECOVRDINBCORRESPNCREQ TYPE STRING,
TAXPAYERCONTRACT TYPE STRING,
TAXPAYERCONTRACTNAME TYPE STRING,
CORRESPONDENCEISSUEDATE TYPE STRING,
CORRESPONDENCEISSUETIME TYPE STRING,
CACORRESPONDENCESTATUS TYPE STRING,
CACORRESPONDENCESTATUSNAME TYPE STRING,
INBOUNDCORRESPNCDUEDATE TYPE STRING,
CASTARTDATEOFBILLINGPERIOD TYPE STRING,
CAENDDATEOFBILLINGPERIOD TYPE STRING,
CAPERIODCODE TYPE STRING,
CAPERIODCODENAME TYPE STRING,
CADEFERRALDATE TYPE STRING,
CAINBOUNDCORRESPNCCATEGORY TYPE STRING,
CAINBOUNDCORRESPNCCATEGORYNAME TYPE STRING,
ALTERNATIVEPERIODISEXISTING TYPE STRING,
TAXPAYERSTANDARDINDUSTRY TYPE STRING,
INDUSTRYKEYSHORTDESCRIPTION TYPE STRING,
COMPANYCODE TYPE STRING,
TAXPAYERAUTHORIZATIONGROUP TYPE STRING,
CAAUTHORIZATIONGROUP TYPE STRING,
TAXPAYERCONTRACTTYPE TYPE STRING,
PUBSECCONTRACTAUTHORIZATIONGRP TYPE STRING,
CONTRACTACCOUNTCATEGORY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPSOVERDUEFKPI_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_CPSOVERDUEFKPI_STR-MANDT sy-vline 
WA_CPSOVERDUEFKPI_STR-CACORRESPONDENCETYPE sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYER sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERACCOUNT sy-vline 
WA_CPSOVERDUEFKPI_STR-CACORRESPONDENCE sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERACCOUNTNAME sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERNAME sy-vline 
WA_CPSOVERDUEFKPI_STR-NROFPUBSECOVRDINBCORRESPNCREQ sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERCONTRACT sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERCONTRACTNAME sy-vline 
WA_CPSOVERDUEFKPI_STR-CORRESPONDENCEISSUEDATE sy-vline 
WA_CPSOVERDUEFKPI_STR-CORRESPONDENCEISSUETIME sy-vline 
WA_CPSOVERDUEFKPI_STR-CACORRESPONDENCESTATUS sy-vline 
WA_CPSOVERDUEFKPI_STR-CACORRESPONDENCESTATUSNAME sy-vline 
WA_CPSOVERDUEFKPI_STR-INBOUNDCORRESPNCDUEDATE sy-vline 
WA_CPSOVERDUEFKPI_STR-CASTARTDATEOFBILLINGPERIOD sy-vline 
WA_CPSOVERDUEFKPI_STR-CAENDDATEOFBILLINGPERIOD sy-vline 
WA_CPSOVERDUEFKPI_STR-CAPERIODCODE sy-vline 
WA_CPSOVERDUEFKPI_STR-CAPERIODCODENAME sy-vline 
WA_CPSOVERDUEFKPI_STR-CADEFERRALDATE sy-vline 
WA_CPSOVERDUEFKPI_STR-CAINBOUNDCORRESPNCCATEGORY sy-vline 
WA_CPSOVERDUEFKPI_STR-CAINBOUNDCORRESPNCCATEGORYNAME sy-vline 
WA_CPSOVERDUEFKPI_STR-ALTERNATIVEPERIODISEXISTING sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERSTANDARDINDUSTRY sy-vline 
WA_CPSOVERDUEFKPI_STR-INDUSTRYKEYSHORTDESCRIPTION sy-vline 
WA_CPSOVERDUEFKPI_STR-COMPANYCODE sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERAUTHORIZATIONGROUP sy-vline 
WA_CPSOVERDUEFKPI_STR-CAAUTHORIZATIONGROUP sy-vline 
WA_CPSOVERDUEFKPI_STR-TAXPAYERCONTRACTTYPE sy-vline 
WA_CPSOVERDUEFKPI_STR-PUBSECCONTRACTAUTHORIZATIONGRP sy-vline 
WA_CPSOVERDUEFKPI_STR-CONTRACTACCOUNTCATEGORY sy-vline      INTO ld_text SEPARATED BY SPACE.

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