ABAP Select data from SAP table CBILLDOCFS into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CBILLDOCFS
*  INTO TABLE @DATA(IT_CBILLDOCFS2).
*--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_CBILLDOCFS INDEX 1 INTO DATA(WA_CBILLDOCFS2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CBILLDOCFS>-MANDT = 1.
<CBILLDOCFS>-BILLINGDOCUMENT = 1.
<CBILLDOCFS>-BILLINGDOCUMENTTYPE = 1.
<CBILLDOCFS>-BILLINGDOCUMENTTYPENAME = 1.
<CBILLDOCFS>-PAYERPARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CBILLDOCFS-OVERALLBILLINGSTATUS, sy-vline,
  WA_CBILLDOCFS-BILLTOPARTY, sy-vline,
  WA_CBILLDOCFS-SOLDTOPARTY, sy-vline,
  WA_CBILLDOCFS-COMPANYCODE, sy-vline,
  WA_CBILLDOCFS-SALESORGANIZATION, sy-vline,
  WA_CBILLDOCFS-BILLINGDOCUMENTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CBILLDOCFS 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_CBILLDOCFS 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_CBILLDOCFS INTO WA_CBILLDOCFS.


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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field PROCESSFLOWNODEDOCUMENT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CBILLDOCFS-PROCESSFLOWNODEDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CBILLDOCFS-PROCESSFLOWNODEDOCUMENT.
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_CBILLDOCFS_STR, 
MANDT TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTTYPE TYPE STRING,
BILLINGDOCUMENTTYPENAME TYPE STRING,
PAYERPARTY TYPE STRING,
OVERALLBILLINGSTATUS TYPE STRING,
BILLTOPARTY TYPE STRING,
SOLDTOPARTY TYPE STRING,
COMPANYCODE TYPE STRING,
SALESORGANIZATION TYPE STRING,
BILLINGDOCUMENTDATE TYPE STRING,
CUSTOMERPAYMENTTERMS TYPE STRING,
INCOTERMSCLASSIFICATION TYPE STRING,
INCOTERMSLOCATION1 TYPE STRING,
INCOTERMSLOCATION2 TYPE STRING,
BILLINGISSUETYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
TAXAMOUNT TYPE STRING,
TOTALNETAMOUNT TYPE STRING,
TOTALGROSSAMOUNT TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
SDDOCUMENTCATEGORY TYPE STRING,
BILLTOPARTYNAME TYPE STRING,
CANCELLEDBILLINGDOCUMENT TYPE STRING,
PROCESSFLOWNODEDOCUMENT TYPE STRING,
OVRLBILLINGSTATUSCRITICALITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CBILLDOCFS_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_CBILLDOCFS_STR-MANDT sy-vline 
WA_CBILLDOCFS_STR-BILLINGDOCUMENT sy-vline 
WA_CBILLDOCFS_STR-BILLINGDOCUMENTTYPE sy-vline 
WA_CBILLDOCFS_STR-BILLINGDOCUMENTTYPENAME sy-vline 
WA_CBILLDOCFS_STR-PAYERPARTY sy-vline 
WA_CBILLDOCFS_STR-OVERALLBILLINGSTATUS sy-vline 
WA_CBILLDOCFS_STR-BILLTOPARTY sy-vline 
WA_CBILLDOCFS_STR-SOLDTOPARTY sy-vline 
WA_CBILLDOCFS_STR-COMPANYCODE sy-vline 
WA_CBILLDOCFS_STR-SALESORGANIZATION sy-vline 
WA_CBILLDOCFS_STR-BILLINGDOCUMENTDATE sy-vline 
WA_CBILLDOCFS_STR-CUSTOMERPAYMENTTERMS sy-vline 
WA_CBILLDOCFS_STR-INCOTERMSCLASSIFICATION sy-vline 
WA_CBILLDOCFS_STR-INCOTERMSLOCATION1 sy-vline 
WA_CBILLDOCFS_STR-INCOTERMSLOCATION2 sy-vline 
WA_CBILLDOCFS_STR-BILLINGISSUETYPE sy-vline 
WA_CBILLDOCFS_STR-DOCUMENTREFERENCEID sy-vline 
WA_CBILLDOCFS_STR-TAXAMOUNT sy-vline 
WA_CBILLDOCFS_STR-TOTALNETAMOUNT sy-vline 
WA_CBILLDOCFS_STR-TOTALGROSSAMOUNT sy-vline 
WA_CBILLDOCFS_STR-TRANSACTIONCURRENCY sy-vline 
WA_CBILLDOCFS_STR-SDDOCUMENTCATEGORY sy-vline 
WA_CBILLDOCFS_STR-BILLTOPARTYNAME sy-vline 
WA_CBILLDOCFS_STR-CANCELLEDBILLINGDOCUMENT sy-vline 
WA_CBILLDOCFS_STR-PROCESSFLOWNODEDOCUMENT sy-vline 
WA_CBILLDOCFS_STR-OVRLBILLINGSTATUSCRITICALITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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