ABAP Select data from SAP table CPREBILLDUELIST into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CPREBILLDUELIST
*  INTO TABLE @DATA(IT_CPREBILLDUELIST2).
*--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_CPREBILLDUELIST INDEX 1 INTO DATA(WA_CPREBILLDUELIST2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CPREBILLDUELIST>-MANDT = 1.
<CPREBILLDUELIST>-BILLINGDOCUMENTCATEGORY = 1.
<CPREBILLDUELIST>-BILLINGDOCUMENTTYPE = 1.
<CPREBILLDUELIST>-BILLINGDOCUMENTDATE = 1.
<CPREBILLDUELIST>-SALESORGANIZATION = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CPREBILLDUELIST-SOLDTOPARTY, sy-vline,
  WA_CPREBILLDUELIST-DESTINATIONCOUNTRY, sy-vline,
  WA_CPREBILLDUELIST-REFERENCESDDOCUMENT, sy-vline,
  WA_CPREBILLDUELIST-REFERENCESDDOCUMENTCATEGORY, sy-vline,
  WA_CPREBILLDUELIST-HEADERBILLINGBLOCKREASON, sy-vline,
  WA_CPREBILLDUELIST-DISTRIBUTIONCHANNEL, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CPREBILLDUELIST 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_CPREBILLDUELIST 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_CPREBILLDUELIST INTO WA_CPREBILLDUELIST.


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

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

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

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

*Conversion exit ALPHA, internal->external for field BUSINESSSOLUTIONORDER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CPREBILLDUELIST-BUSINESSSOLUTIONORDER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CPREBILLDUELIST-BUSINESSSOLUTIONORDER.
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_CPREBILLDUELIST_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENTCATEGORY TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
SALESORGANIZATION TYPE STRING,
SOLDTOPARTY TYPE STRING,
DESTINATIONCOUNTRY TYPE STRING,
REFERENCESDDOCUMENT TYPE STRING,
REFERENCESDDOCUMENTCATEGORY TYPE STRING,
HEADERBILLINGBLOCKREASON TYPE STRING,
DISTRIBUTIONCHANNEL TYPE STRING,
DIVISION TYPE STRING,
SHIPPINGPOINT TYPE STRING,
OVERALLPROOFOFDELIVERYSTATUS TYPE STRING,
NETAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SOLDTOPARTYCITYNAME TYPE STRING,
SOLDTOPARTYNAME TYPE STRING,
SOLDTOPARTYADDITIONALNAME TYPE STRING,
CUSTOMERPROJECT TYPE STRING,
BILLGDOCREQREFLGCLSYST TYPE STRING,
BILLINGDOCREQUESTREFERENCE TYPE STRING,
BUSINESSSOLUTIONORDER TYPE STRING,
CREATEDBYUSER TYPE STRING,
CREATIONDATE TYPE STRING,
CREATIONDATETIME TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CPREBILLDUELIST_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_CPREBILLDUELIST_STR-MANDT sy-vline 
WA_CPREBILLDUELIST_STR-BILLINGDOCUMENTCATEGORY sy-vline 
WA_CPREBILLDUELIST_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_CPREBILLDUELIST_STR-BILLINGDOCUMENTDATE sy-vline 
WA_CPREBILLDUELIST_STR-SALESORGANIZATION sy-vline 
WA_CPREBILLDUELIST_STR-SOLDTOPARTY sy-vline 
WA_CPREBILLDUELIST_STR-DESTINATIONCOUNTRY sy-vline 
WA_CPREBILLDUELIST_STR-REFERENCESDDOCUMENT sy-vline 
WA_CPREBILLDUELIST_STR-REFERENCESDDOCUMENTCATEGORY sy-vline 
WA_CPREBILLDUELIST_STR-HEADERBILLINGBLOCKREASON sy-vline 
WA_CPREBILLDUELIST_STR-DISTRIBUTIONCHANNEL sy-vline 
WA_CPREBILLDUELIST_STR-DIVISION sy-vline 
WA_CPREBILLDUELIST_STR-SHIPPINGPOINT sy-vline 
WA_CPREBILLDUELIST_STR-OVERALLPROOFOFDELIVERYSTATUS sy-vline 
WA_CPREBILLDUELIST_STR-NETAMOUNT sy-vline 
WA_CPREBILLDUELIST_STR-TRANSACTIONCURRENCY sy-vline 
WA_CPREBILLDUELIST_STR-SOLDTOPARTYCITYNAME sy-vline 
WA_CPREBILLDUELIST_STR-SOLDTOPARTYNAME sy-vline 
WA_CPREBILLDUELIST_STR-SOLDTOPARTYADDITIONALNAME sy-vline 
WA_CPREBILLDUELIST_STR-CUSTOMERPROJECT sy-vline 
WA_CPREBILLDUELIST_STR-BILLGDOCREQREFLGCLSYST sy-vline 
WA_CPREBILLDUELIST_STR-BILLINGDOCREQUESTREFERENCE sy-vline 
WA_CPREBILLDUELIST_STR-BUSINESSSOLUTIONORDER sy-vline 
WA_CPREBILLDUELIST_STR-CREATEDBYUSER sy-vline 
WA_CPREBILLDUELIST_STR-CREATIONDATE sy-vline 
WA_CPREBILLDUELIST_STR-CREATIONDATETIME sy-vline      INTO ld_text SEPARATED BY SPACE.

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