ABAP Select data from SAP table FIPL_S_CUSTOMER_LINEITM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FIPL_S_CUSTOMER_LINEITM
*  INTO TABLE @DATA(IT_FIPL_S_CUSTOMER_LINEITM2).
*--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_FIPL_S_CUSTOMER_LINEITM INDEX 1 INTO DATA(WA_FIPL_S_CUSTOMER_LINEITM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FIPL_S_CUSTOMER_LINEITM>-COMPANYCODE = 1.
<FIPL_S_CUSTOMER_LINEITM>-CUSTOMER = 1.
<FIPL_S_CUSTOMER_LINEITM>-GLACCOUNT = 1.
<FIPL_S_CUSTOMER_LINEITM>-GLACCOUNTLONGNAME = 1.
<FIPL_S_CUSTOMER_LINEITM>-ACCOUNTINGDOCUMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FIPL_S_CUSTOMER_LINEITM-ACCOUNTINGDOCUMENTITEM, sy-vline,
  WA_FIPL_S_CUSTOMER_LINEITM-POSTINGDATE, sy-vline,
  WA_FIPL_S_CUSTOMER_LINEITM-DOCUMENTDATE, sy-vline,
  WA_FIPL_S_CUSTOMER_LINEITM-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_FIPL_S_CUSTOMER_LINEITM-DOCUMENTREFERENCEID, sy-vline,
  WA_FIPL_S_CUSTOMER_LINEITM-ACCOUNTINGDOCCREATEDBYUSER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FIPL_S_CUSTOMER_LINEITM 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_FIPL_S_CUSTOMER_LINEITM 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_FIPL_S_CUSTOMER_LINEITM INTO WA_FIPL_S_CUSTOMER_LINEITM.


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

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

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

*Conversion exit GJAHR, internal->external for field FISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_FIPL_S_CUSTOMER_LINEITM-FISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FIPL_S_CUSTOMER_LINEITM-FISCALYEAR.
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_FIPL_S_CUSTOMER_LINEITM_STR, 
COMPANYCODE TYPE STRING,
CUSTOMER TYPE STRING,
GLACCOUNT TYPE STRING,
GLACCOUNTLONGNAME TYPE STRING,
ACCOUNTINGDOCUMENT TYPE STRING,
ACCOUNTINGDOCUMENTITEM TYPE STRING,
POSTINGDATE TYPE STRING,
DOCUMENTDATE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
DOCUMENTREFERENCEID TYPE STRING,
ACCOUNTINGDOCCREATEDBYUSER TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
DEBITAMOUNTINTRANSCRCY TYPE STRING,
CREDITAMOUNTINTRANSCRCY TYPE STRING,
COMPANYCODECURRENCY TYPE STRING,
DEBITAMOUNTINCOCODECRCY TYPE STRING,
CREDITAMOUNTINCOCODECRCY TYPE STRING,
CURRENCY_FOR_LINK TYPE STRING,
HASPAYMENTSPLIT TYPE STRING,
FISCALYEAR TYPE STRING,
CLEARINGDATE TYPE STRING,
DOCUMENTITEMTEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FIPL_S_CUSTOMER_LINEITM_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_FIPL_S_CUSTOMER_LINEITM_STR-COMPANYCODE sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-CUSTOMER sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-GLACCOUNT sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-GLACCOUNTLONGNAME sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-ACCOUNTINGDOCUMENT sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-ACCOUNTINGDOCUMENTITEM sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-POSTINGDATE sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-DOCUMENTDATE sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-DOCUMENTREFERENCEID sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-ACCOUNTINGDOCCREATEDBYUSER sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-TRANSACTIONCURRENCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-DEBITAMOUNTINTRANSCRCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-CREDITAMOUNTINTRANSCRCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-COMPANYCODECURRENCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-DEBITAMOUNTINCOCODECRCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-CREDITAMOUNTINCOCODECRCY sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-CURRENCY_FOR_LINK sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-HASPAYMENTSPLIT sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-FISCALYEAR sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-CLEARINGDATE sy-vline 
WA_FIPL_S_CUSTOMER_LINEITM_STR-DOCUMENTITEMTEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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