ABAP Select data from SAP table CFIN_AVSO_SLNE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFIN_AVSO_SLNE
*  INTO TABLE @DATA(IT_CFIN_AVSO_SLNE2).
*--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_CFIN_AVSO_SLNE INDEX 1 INTO DATA(WA_CFIN_AVSO_SLNE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFIN_AVSO_SLNE>-MANDT = 1.
<CFIN_AVSO_SLNE>-AV_DBKEY = 1.
<CFIN_AVSO_SLNE>-SOURCESYSTEMLOGICALSYSTEM = 1.
<CFIN_AVSO_SLNE>-CFINREPLICATEDSALESDOCUMENT = 1.
<CFIN_AVSO_SLNE>-CFINRPLDSALESDOCUMENTITEM = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFIN_AVSO_SLNE-CFINRPLDSALESDOCSCHEDULELINE, sy-vline,
  WA_CFIN_AVSO_SLNE-LASTCHANGEDATETIME, sy-vline,
  WA_CFIN_AVSO_SLNE-ORDERID, sy-vline,
  WA_CFIN_AVSO_SLNE-DELIVERYDATE, sy-vline,
  WA_CFIN_AVSO_SLNE-SCHEDULELINEORDERQUANTITY, sy-vline,
  WA_CFIN_AVSO_SLNE-ORDERQUANTITYUNIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFIN_AVSO_SLNE 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_CFIN_AVSO_SLNE 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_CFIN_AVSO_SLNE INTO WA_CFIN_AVSO_SLNE.


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

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

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

*Conversion exit CUNIT, internal->external for field ORDERQUANTITYUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_CFIN_AVSO_SLNE-ORDERQUANTITYUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_CFIN_AVSO_SLNE-ORDERQUANTITYUNIT.
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_CFIN_AVSO_SLNE_STR, 
MANDT TYPE STRING,
AV_DBKEY TYPE STRING,
SOURCESYSTEMLOGICALSYSTEM TYPE STRING,
CFINREPLICATEDSALESDOCUMENT TYPE STRING,
CFINRPLDSALESDOCUMENTITEM TYPE STRING,
CFINRPLDSALESDOCSCHEDULELINE TYPE STRING,
LASTCHANGEDATETIME TYPE STRING,
ORDERID TYPE STRING,
DELIVERYDATE TYPE STRING,
SCHEDULELINEORDERQUANTITY TYPE STRING,
ORDERQUANTITYUNIT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFIN_AVSO_SLNE_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_CFIN_AVSO_SLNE_STR-MANDT sy-vline 
WA_CFIN_AVSO_SLNE_STR-AV_DBKEY sy-vline 
WA_CFIN_AVSO_SLNE_STR-SOURCESYSTEMLOGICALSYSTEM sy-vline 
WA_CFIN_AVSO_SLNE_STR-CFINREPLICATEDSALESDOCUMENT sy-vline 
WA_CFIN_AVSO_SLNE_STR-CFINRPLDSALESDOCUMENTITEM sy-vline 
WA_CFIN_AVSO_SLNE_STR-CFINRPLDSALESDOCSCHEDULELINE sy-vline 
WA_CFIN_AVSO_SLNE_STR-LASTCHANGEDATETIME sy-vline 
WA_CFIN_AVSO_SLNE_STR-ORDERID sy-vline 
WA_CFIN_AVSO_SLNE_STR-DELIVERYDATE sy-vline 
WA_CFIN_AVSO_SLNE_STR-SCHEDULELINEORDERQUANTITY sy-vline 
WA_CFIN_AVSO_SLNE_STR-ORDERQUANTITYUNIT sy-vline      INTO ld_text SEPARATED BY SPACE.

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