ABAP Select data from SAP table LOGIN_S_EXCISE_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM LOGIN_S_EXCISE_ITEM
*  INTO TABLE @DATA(IT_LOGIN_S_EXCISE_ITEM2).
*--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_LOGIN_S_EXCISE_ITEM INDEX 1 INTO DATA(WA_LOGIN_S_EXCISE_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<LOGIN_S_EXCISE_ITEM>-INTERNALEXCISEDOCUMENTNUMBER = 1.
<LOGIN_S_EXCISE_ITEM>-EXCISEITEMNUMBER = 1.
<LOGIN_S_EXCISE_ITEM>-BILLINGDOCUMENT = 1.
<LOGIN_S_EXCISE_ITEM>-BILLINGDOCUMENTITEM = 1.
<LOGIN_S_EXCISE_ITEM>-MATERIAL = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_LOGIN_S_EXCISE_ITEM-MATERIALNAME, sy-vline,
  WA_LOGIN_S_EXCISE_ITEM-PLANT, sy-vline,
  WA_LOGIN_S_EXCISE_ITEM-PLANTNAME, sy-vline,
  WA_LOGIN_S_EXCISE_ITEM-STORAGELOCATION, sy-vline,
  WA_LOGIN_S_EXCISE_ITEM-BATCH, sy-vline,
  WA_LOGIN_S_EXCISE_ITEM-CONDITIONBASEVALUE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_LOGIN_S_EXCISE_ITEM 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_LOGIN_S_EXCISE_ITEM 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_LOGIN_S_EXCISE_ITEM INTO WA_LOGIN_S_EXCISE_ITEM.


*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_LOGIN_S_EXCISE_ITEM-BILLINGDOCUMENT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGIN_S_EXCISE_ITEM-BILLINGDOCUMENT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATERIAL
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_LOGIN_S_EXCISE_ITEM-MATERIAL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGIN_S_EXCISE_ITEM-MATERIAL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field PRICEDETNEXCHANGERATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_LOGIN_S_EXCISE_ITEM-PRICEDETNEXCHANGERATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGIN_S_EXCISE_ITEM-PRICEDETNEXCHANGERATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field BASEUNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_LOGIN_S_EXCISE_ITEM-BASEUNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGIN_S_EXCISE_ITEM-BASEUNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field COSTCENTER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_LOGIN_S_EXCISE_ITEM-COSTCENTER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_LOGIN_S_EXCISE_ITEM-COSTCENTER.
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_LOGIN_S_EXCISE_ITEM_STR, 
INTERNALEXCISEDOCUMENTNUMBER TYPE STRING,
EXCISEITEMNUMBER TYPE STRING,
BILLINGDOCUMENT TYPE STRING,
BILLINGDOCUMENTITEM TYPE STRING,
MATERIAL TYPE STRING,
MATERIALNAME TYPE STRING,
PLANT TYPE STRING,
PLANTNAME TYPE STRING,
STORAGELOCATION TYPE STRING,
BATCH TYPE STRING,
CONDITIONBASEVALUE TYPE STRING,
PRICEDETNEXCHANGERATE TYPE STRING,
BASICEXCISEDUTY TYPE STRING,
ADDITIONALEXCISEDUTY TYPE STRING,
NCCDVALUE TYPE STRING,
ECSVALUE TYPE STRING,
SPECIALEXCISEDUTY TYPE STRING,
CESSAMOUNT TYPE STRING,
CURRENCY TYPE STRING,
BUSINESSAREA TYPE STRING,
BEDPERCENTAGE TYPE STRING,
AEDPERCENTAGE TYPE STRING,
NCCDPERCENTAGE TYPE STRING,
ECSPERCENTAGE TYPE STRING,
SEDPERCENTAGE TYPE STRING,
CESSPERCENTAGE TYPE STRING,
BASEUNIT TYPE STRING,
PROFITABILITYSEGMENT TYPE STRING,
PROFITCENTER TYPE STRING,
SELECTION TYPE STRING,
ADDITIONALTAX1VALUE TYPE STRING,
ADDITIONALTAX2VALUE TYPE STRING,
ADDITIONALTAX3VALUE TYPE STRING,
AT1PERCENTAGE TYPE STRING,
AT2PERCENTAGE TYPE STRING,
AT3PERCENTAGE TYPE STRING,
COSTCENTER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_LOGIN_S_EXCISE_ITEM_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_LOGIN_S_EXCISE_ITEM_STR-INTERNALEXCISEDOCUMENTNUMBER sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-EXCISEITEMNUMBER sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BILLINGDOCUMENT sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BILLINGDOCUMENTITEM sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-MATERIAL sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-MATERIALNAME sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-PLANT sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-PLANTNAME sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-STORAGELOCATION sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BATCH sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-CONDITIONBASEVALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-PRICEDETNEXCHANGERATE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BASICEXCISEDUTY sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ADDITIONALEXCISEDUTY sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-NCCDVALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ECSVALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-SPECIALEXCISEDUTY sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-CESSAMOUNT sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-CURRENCY sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BUSINESSAREA sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BEDPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-AEDPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-NCCDPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ECSPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-SEDPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-CESSPERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-BASEUNIT sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-PROFITABILITYSEGMENT sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-PROFITCENTER sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-SELECTION sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ADDITIONALTAX1VALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ADDITIONALTAX2VALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-ADDITIONALTAX3VALUE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-AT1PERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-AT2PERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-AT3PERCENTAGE sy-vline 
WA_LOGIN_S_EXCISE_ITEM_STR-COSTCENTER sy-vline      INTO ld_text SEPARATED BY SPACE.

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