ABAP Select data from SAP table FCLM_BAM_S_CRHBANKACNTATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FCLM_BAM_S_CRHBANKACNTATTR
*  INTO TABLE @DATA(IT_FCLM_BAM_S_CRHBANKACNTATTR2).
*--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_FCLM_BAM_S_CRHBANKACNTATTR INDEX 1 INTO DATA(WA_FCLM_BAM_S_CRHBANKACNTATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FCLM_BAM_S_CRHBANKACNTATTR>-REQUEST_ID = 1.
<FCLM_BAM_S_CRHBANKACNTATTR>-TEMP_ID = 1.
<FCLM_BAM_S_CRHBANKACNTATTR>-ACC_ID = 1.
<FCLM_BAM_S_CRHBANKACNTATTR>-LINE_ID = 1.
<FCLM_BAM_S_CRHBANKACNTATTR>-WAERS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FCLM_BAM_S_CRHBANKACNTATTR-BUKRS, sy-vline,
  WA_FCLM_BAM_S_CRHBANKACNTATTR-BANKS, sy-vline,
  WA_FCLM_BAM_S_CRHBANKACNTATTR-BANKL, sy-vline,
  WA_FCLM_BAM_S_CRHBANKACNTATTR-HBKID, sy-vline,
  WA_FCLM_BAM_S_CRHBANKACNTATTR-HKTID, sy-vline,
  WA_FCLM_BAM_S_CRHBANKACNTATTR-HKONT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FCLM_BAM_S_CRHBANKACNTATTR 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_FCLM_BAM_S_CRHBANKACNTATTR 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_FCLM_BAM_S_CRHBANKACNTATTR INTO WA_FCLM_BAM_S_CRHBANKACNTATTR.


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

*Conversion exit ALPHA, internal->external for field HERKU
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FCLM_BAM_S_CRHBANKACNTATTR-HERKU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FCLM_BAM_S_CRHBANKACNTATTR-HERKU.
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_FCLM_BAM_S_CRHBANKACNTATTR_STR, 
REQUEST_ID TYPE STRING,
TEMP_ID TYPE STRING,
ACC_ID TYPE STRING,
LINE_ID TYPE STRING,
WAERS TYPE STRING,
BUKRS TYPE STRING,
BANKS TYPE STRING,
BANKL TYPE STRING,
HBKID TYPE STRING,
HKTID TYPE STRING,
HKONT TYPE STRING,
BANKN TYPE STRING,
BNKN2 TYPE STRING,
TEXT1 TYPE STRING,
BANKN_HIDE TYPE STRING,
WAERS_HIDE TYPE STRING,
IBAN TYPE STRING,
HERKU TYPE STRING,
REMOTEACCOUNT TYPE STRING,
IDCATEGORY TYPE STRING,
VALID_TO TYPE STRING,
VALID_FROM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FCLM_BAM_S_CRHBANKACNTATTR_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_FCLM_BAM_S_CRHBANKACNTATTR_STR-REQUEST_ID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-TEMP_ID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-ACC_ID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-LINE_ID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-WAERS sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BUKRS sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BANKS sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BANKL sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-HBKID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-HKTID sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-HKONT sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BANKN sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BNKN2 sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-TEXT1 sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-BANKN_HIDE sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-WAERS_HIDE sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-IBAN sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-HERKU sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-REMOTEACCOUNT sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-IDCATEGORY sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-VALID_TO sy-vline 
WA_FCLM_BAM_S_CRHBANKACNTATTR_STR-VALID_FROM sy-vline      INTO ld_text SEPARATED BY SPACE.

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