ABAP Select data from SAP table AVIYCREFFACTOR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM AVIYCREFFACTOR
*  INTO TABLE @DATA(IT_AVIYCREFFACTOR2).
*--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_AVIYCREFFACTOR INDEX 1 INTO DATA(WA_AVIYCREFFACTOR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<AVIYCREFFACTOR>-MANDT = 1.
<AVIYCREFFACTOR>-CAM_REF_GUID = 1.
<AVIYCREFFACTOR>-SETTL_GUID = 1.
<AVIYCREFFACTOR>-CAM_POOL_GUID = 1.
<AVIYCREFFACTOR>-CAM_RO_GUID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_AVIYCREFFACTOR-VALIDFROM, sy-vline,
  WA_AVIYCREFFACTOR-VALIDTO, sy-vline,
  WA_AVIYCREFFACTOR-CAM_PERIOD_GUID, sy-vline,
  WA_AVIYCREFFACTOR-ROOBJNR, sy-vline,
  WA_AVIYCREFFACTOR-CNOBJNR, sy-vline,
  WA_AVIYCREFFACTOR-OCCCNOBJNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_AVIYCREFFACTOR 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_AVIYCREFFACTOR 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_AVIYCREFFACTOR INTO WA_AVIYCREFFACTOR.


*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 REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_AVIYCREFFACTOR-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIYCREFFACTOR-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit CUNIT, internal->external for field MEASUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_AVIYCREFFACTOR-MEASUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_AVIYCREFFACTOR-MEASUNIT.
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_AVIYCREFFACTOR_STR, 
MANDT TYPE STRING,
CAM_REF_GUID TYPE STRING,
SETTL_GUID TYPE STRING,
CAM_POOL_GUID TYPE STRING,
CAM_RO_GUID TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
CAM_PERIOD_GUID TYPE STRING,
ROOBJNR TYPE STRING,
CNOBJNR TYPE STRING,
OCCCNOBJNR TYPE STRING,
MTOCCUPATION TYPE STRING,
CHECKREDDENOM TYPE STRING,
TERMNOPROV TYPE STRING,
DENMETHOD TYPE STRING,
DENMETHODINT TYPE STRING,
OCCUPIEDMEAS TYPE STRING,
PLENGTH TYPE STRING,
DENMEAS TYPE STRING,
MEASUNIT TYPE STRING,
MEASVALUE TYPE STRING,
APPORTVALUE TYPE STRING,
DENOMINATOR TYPE STRING,
DENOMTHRESHOLD TYPE STRING,
FIXEDSHARE TYPE STRING,
KZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_AVIYCREFFACTOR_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_AVIYCREFFACTOR_STR-MANDT sy-vline 
WA_AVIYCREFFACTOR_STR-CAM_REF_GUID sy-vline 
WA_AVIYCREFFACTOR_STR-SETTL_GUID sy-vline 
WA_AVIYCREFFACTOR_STR-CAM_POOL_GUID sy-vline 
WA_AVIYCREFFACTOR_STR-CAM_RO_GUID sy-vline 
WA_AVIYCREFFACTOR_STR-VALIDFROM sy-vline 
WA_AVIYCREFFACTOR_STR-VALIDTO sy-vline 
WA_AVIYCREFFACTOR_STR-CAM_PERIOD_GUID sy-vline 
WA_AVIYCREFFACTOR_STR-ROOBJNR sy-vline 
WA_AVIYCREFFACTOR_STR-CNOBJNR sy-vline 
WA_AVIYCREFFACTOR_STR-OCCCNOBJNR sy-vline 
WA_AVIYCREFFACTOR_STR-MTOCCUPATION sy-vline 
WA_AVIYCREFFACTOR_STR-CHECKREDDENOM sy-vline 
WA_AVIYCREFFACTOR_STR-TERMNOPROV sy-vline 
WA_AVIYCREFFACTOR_STR-DENMETHOD sy-vline 
WA_AVIYCREFFACTOR_STR-DENMETHODINT sy-vline 
WA_AVIYCREFFACTOR_STR-OCCUPIEDMEAS sy-vline 
WA_AVIYCREFFACTOR_STR-PLENGTH sy-vline 
WA_AVIYCREFFACTOR_STR-DENMEAS sy-vline 
WA_AVIYCREFFACTOR_STR-MEASUNIT sy-vline 
WA_AVIYCREFFACTOR_STR-MEASVALUE sy-vline 
WA_AVIYCREFFACTOR_STR-APPORTVALUE sy-vline 
WA_AVIYCREFFACTOR_STR-DENOMINATOR sy-vline 
WA_AVIYCREFFACTOR_STR-DENOMTHRESHOLD sy-vline 
WA_AVIYCREFFACTOR_STR-FIXEDSHARE sy-vline 
WA_AVIYCREFFACTOR_STR-KZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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