ABAP Select data from SAP table FTI_LDB_TR_ATTR_LOAN into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FTI_LDB_TR_ATTR_LOAN
*  INTO TABLE @DATA(IT_FTI_LDB_TR_ATTR_LOAN2).
*--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_FTI_LDB_TR_ATTR_LOAN INDEX 1 INTO DATA(WA_FTI_LDB_TR_ATTR_LOAN2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FTI_LDB_TR_ATTR_LOAN>-MANDT = 1.
<FTI_LDB_TR_ATTR_LOAN>-BUKRS = 1.
<FTI_LDB_TR_ATTR_LOAN>-GSART = 1.
<FTI_LDB_TR_ATTR_LOAN>-PORTFOLIO = 1.
<FTI_LDB_TR_ATTR_LOAN>-LOANS_CONTRACT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FTI_LDB_TR_ATTR_LOAN-SECURITY_ACCOUNT, sy-vline,
  WA_FTI_LDB_TR_ATTR_LOAN-SANLF, sy-vline,
  WA_FTI_LDB_TR_ATTR_LOAN-STICHTAG, sy-vline,
  WA_FTI_LDB_TR_ATTR_LOAN-RANTYP_R, sy-vline,
  WA_FTI_LDB_TR_ATTR_LOAN-RREFKONT_R, sy-vline,
  WA_FTI_LDB_TR_ATTR_LOAN-FINPROJ, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FTI_LDB_TR_ATTR_LOAN 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_FTI_LDB_TR_ATTR_LOAN 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_FTI_LDB_TR_ATTR_LOAN INTO WA_FTI_LDB_TR_ATTR_LOAN.


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

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

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

*Conversion exit ALPHA, internal->external for field HKONT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FTI_LDB_TR_ATTR_LOAN-HKONT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FTI_LDB_TR_ATTR_LOAN-HKONT.
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_FTI_LDB_TR_ATTR_LOAN_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
GSART TYPE STRING,
PORTFOLIO TYPE STRING,
LOANS_CONTRACT TYPE STRING,
SECURITY_ACCOUNT TYPE STRING,
SANLF TYPE STRING,
STICHTAG TYPE STRING,
RANTYP_R TYPE STRING,
RREFKONT_R TYPE STRING,
FINPROJ TYPE STRING,
RMAID TYPE STRING,
DBLFZ TYPE STRING,
DELFZ TYPE STRING,
RISK_PARTNER TYPE STRING,
SBILK TYPE STRING,
PKOND TYPE STRING,
BKOND TYPE STRING,
PEFFZINS TYPE STRING,
SEFFMETH TYPE STRING,
RDEALER TYPE STRING,
HKONT TYPE STRING,
NORDEXT TYPE STRING,
ZUOND TYPE STRING,
REFER TYPE STRING,
MERKM TYPE STRING,
SWHRKOND TYPE STRING,
INT_CAT TYPE STRING,
RATING TYPE STRING,
CALENDAR TYPE STRING,
REF_INTEREST_RATE TYPE STRING,
INT_RATE_SPREAD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FTI_LDB_TR_ATTR_LOAN_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_FTI_LDB_TR_ATTR_LOAN_STR-MANDT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-BUKRS sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-GSART sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-PORTFOLIO sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-LOANS_CONTRACT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-SECURITY_ACCOUNT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-SANLF sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-STICHTAG sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RANTYP_R sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RREFKONT_R sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-FINPROJ sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RMAID sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-DBLFZ sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-DELFZ sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RISK_PARTNER sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-SBILK sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-PKOND sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-BKOND sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-PEFFZINS sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-SEFFMETH sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RDEALER sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-HKONT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-NORDEXT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-ZUOND sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-REFER sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-MERKM sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-SWHRKOND sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-INT_CAT sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-RATING sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-CALENDAR sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-REF_INTEREST_RATE sy-vline 
WA_FTI_LDB_TR_ATTR_LOAN_STR-INT_RATE_SPREAD sy-vline      INTO ld_text SEPARATED BY SPACE.

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