ABAP Select data from SAP table BIL_CUSTINVCERPPRTBLDOCBYID_RE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BIL_CUSTINVCERPPRTBLDOCBYID_RE
*  INTO TABLE @DATA(IT_BIL_CUSTINVCERPPRTBLDOCBYID_RE2).
*--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_BIL_CUSTINVCERPPRTBLDOCBYID_RE INDEX 1 INTO DATA(WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BIL_CUSTINVCERPPRTBLDOCBYID_RE>-CONTROLLER = 1.
<BIL_CUSTINVCERPPRTBLDOCBYID_RE>-CUSTOMER_INVOICE_ERPPORTABLE_I = 1.
<BIL_CUSTINVCERPPRTBLDOCBYID_RE>-CONTROLLER = 1.
<BIL_CUSTINVCERPPRTBLDOCBYID_RE>-CUSTOMER_INVOICE = 1.
<BIL_CUSTINVCERPPRTBLDOCBYID_RE>-CONTROLLER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-ID, sy-vline,
  WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-ATTACHMENT_FOLDER, sy-vline,
  WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-CONTROLLER, sy-vline,
  WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-DOCUMENT, sy-vline,
  WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-CONTROLLER, sy-vline,
  WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE-CATEGORY_CODE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE 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_BIL_CUSTINVCERPPRTBLDOCBYID_RE 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_BIL_CUSTINVCERPPRTBLDOCBYID_RE INTO WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR, 
CONTROLLER TYPE STRING,
CUSTOMER_INVOICE_ERPPORTABLE_I TYPE STRING,
CONTROLLER TYPE STRING,
CUSTOMER_INVOICE TYPE STRING,
CONTROLLER TYPE STRING,
ID TYPE STRING,
ATTACHMENT_FOLDER TYPE STRING,
CONTROLLER TYPE STRING,
DOCUMENT TYPE STRING,
CONTROLLER TYPE STRING,
CATEGORY_CODE TYPE STRING,
MIMECODE TYPE STRING,
DESCRIPTION TYPE STRING,
CONTROLLER TYPE STRING,
LANGUAGE_CODE TYPE STRING,
VALUE TYPE STRING,
FILE_CONTENT_BINARY_OBJECT TYPE STRING,
CONTROLLER TYPE STRING,
MIME_CODE TYPE STRING,
CHARACTER_SET_CODE TYPE STRING,
FORMAT TYPE STRING,
FILE_NAME TYPE STRING,
URI TYPE STRING,
CONTENT TYPE STRING,
LOG TYPE STRING,
CONTROLLER TYPE STRING,
BUSINESS_DOCUMENT_PROCESSING TYPE STRING,
MAXIMUM_LOG_ITEM_SEVERITY_CODE TYPE STRING,
ITEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_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_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CUSTOMER_INVOICE_ERPPORTABLE_I sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CUSTOMER_INVOICE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-ID sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-ATTACHMENT_FOLDER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-DOCUMENT sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CATEGORY_CODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-MIMECODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-DESCRIPTION sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-LANGUAGE_CODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-VALUE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-FILE_CONTENT_BINARY_OBJECT sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-MIME_CODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CHARACTER_SET_CODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-FORMAT sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-FILE_NAME sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-URI sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTENT sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-LOG sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-CONTROLLER sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-BUSINESS_DOCUMENT_PROCESSING sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-MAXIMUM_LOG_ITEM_SEVERITY_CODE sy-vline 
WA_BIL_CUSTINVCERPPRTBLDOCBYID_RE_STR-ITEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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