ABAP Select data from SAP table CFX_BI_TS_DOCUMENT_ALV into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFX_BI_TS_DOCUMENT_ALV
*  INTO TABLE @DATA(IT_CFX_BI_TS_DOCUMENT_ALV2).
*--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_CFX_BI_TS_DOCUMENT_ALV INDEX 1 INTO DATA(WA_CFX_BI_TS_DOCUMENT_ALV2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFX_BI_TS_DOCUMENT_ALV>-P_DOCUMENT = 1.
<CFX_BI_TS_DOCUMENT_ALV>-DOKAR = 1.
<CFX_BI_TS_DOCUMENT_ALV>-DOKNR = 1.
<CFX_BI_TS_DOCUMENT_ALV>-DOKVR = 1.
<CFX_BI_TS_DOCUMENT_ALV>-DOKTL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFX_BI_TS_DOCUMENT_ALV-DOKNR_TEMPLATE, sy-vline,
  WA_CFX_BI_TS_DOCUMENT_ALV-DOKVR_TEMPLATE, sy-vline,
  WA_CFX_BI_TS_DOCUMENT_ALV-DOKTL_TEMPLATE, sy-vline,
  WA_CFX_BI_TS_DOCUMENT_ALV-DAPPL, sy-vline,
  WA_CFX_BI_TS_DOCUMENT_ALV-KPRO_USE, sy-vline,
  WA_CFX_BI_TS_DOCUMENT_ALV-STORAGE_CAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFX_BI_TS_DOCUMENT_ALV 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_CFX_BI_TS_DOCUMENT_ALV 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_CFX_BI_TS_DOCUMENT_ALV INTO WA_CFX_BI_TS_DOCUMENT_ALV.


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

*Conversion exit ALPHA, internal->external for field DOKNR_TEMPLATE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_CFX_BI_TS_DOCUMENT_ALV-DOKNR_TEMPLATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFX_BI_TS_DOCUMENT_ALV-DOKNR_TEMPLATE.
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_CFX_BI_TS_DOCUMENT_ALV_STR, 
P_DOCUMENT TYPE STRING,
DOKAR TYPE STRING,
DOKNR TYPE STRING,
DOKVR TYPE STRING,
DOKTL TYPE STRING,
DOKNR_TEMPLATE TYPE STRING,
DOKVR_TEMPLATE TYPE STRING,
DOKTL_TEMPLATE TYPE STRING,
DAPPL TYPE STRING,
KPRO_USE TYPE STRING,
STORAGE_CAT TYPE STRING,
DESCRIPTION TYPE STRING,
NUM_ORIG_FILES TYPE STRING,
LINE_NO TYPE STRING,
LINE_SELECTED TYPE STRING,
SCENARIO TYPE STRING,
COLLABORATION TYPE STRING,
AREA TYPE STRING,
FOLDERS TYPE STRING,
DOC TYPE STRING,
DOC_DESCRIPTION_CFOLDERS TYPE STRING,
DOC_DESCRIPTION TYPE STRING,
DOC_VERSION TYPE STRING,
DOC_VERSION_DESCRIPTION TYPE STRING,
CF_CHANGE_DATE TYPE STRING,
FILENAME TYPE STRING,
MIMETYPE TYPE STRING,
FILESIZE TYPE STRING,
READ_ONLY TYPE STRING,
LO_OBJID TYPE STRING,
PH_OBJID TYPE STRING,
APPNR TYPE STRING,
COL_ID TYPE STRING,
AREA_ID TYPE STRING,
FOLDER_ID TYPE STRING,
FOLDER_TAB TYPE STRING,
DOC_ID TYPE STRING,
DOC_VERSION_ID TYPE STRING,
IS_CHANGEABLE TYPE STRING,
MESSAGE_HANDLER TYPE STRING,
TRANSPORT_ACTION TYPE STRING,
ACTION_ICON TYPE STRING,
TRANSPORT_STATUS TYPE STRING,
STATUS_ICON TYPE STRING,
PROTOCOL_ICON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFX_BI_TS_DOCUMENT_ALV_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_CFX_BI_TS_DOCUMENT_ALV_STR-P_DOCUMENT sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKAR sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKNR sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKVR sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKTL sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKNR_TEMPLATE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKVR_TEMPLATE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOKTL_TEMPLATE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DAPPL sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-KPRO_USE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-STORAGE_CAT sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DESCRIPTION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-NUM_ORIG_FILES sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-LINE_NO sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-LINE_SELECTED sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-SCENARIO sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-COLLABORATION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-AREA sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-FOLDERS sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_DESCRIPTION_CFOLDERS sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_DESCRIPTION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_VERSION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_VERSION_DESCRIPTION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-CF_CHANGE_DATE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-FILENAME sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-MIMETYPE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-FILESIZE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-READ_ONLY sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-LO_OBJID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-PH_OBJID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-APPNR sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-COL_ID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-AREA_ID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-FOLDER_ID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-FOLDER_TAB sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_ID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-DOC_VERSION_ID sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-IS_CHANGEABLE sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-MESSAGE_HANDLER sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-TRANSPORT_ACTION sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-ACTION_ICON sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-TRANSPORT_STATUS sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-STATUS_ICON sy-vline 
WA_CFX_BI_TS_DOCUMENT_ALV_STR-PROTOCOL_ICON sy-vline      INTO ld_text SEPARATED BY SPACE.

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