ABAP Select data from SAP table /BA1/F4_FX_STRUC_NEW_RATES_PCL into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /BA1/F4_FX_STRUC_NEW_RATES_PCL 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 /BA1/F4_FX_STRUC_NEW_RATES_PCL. 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 /BA1/F4_FX_STRUC_NEW_RATES_PCL 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_/BA1/F4_FX_STRUC_NEW_RATES_PCL TYPE STANDARD TABLE OF /BA1/F4_FX_STRUC_NEW_RATES_PCL,
      WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL TYPE /BA1/F4_FX_STRUC_NEW_RATES_PCL,
      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: </BA1/F4_FX_STRUC_NEW_RATES_PCL> TYPE /BA1/F4_FX_STRUC_NEW_RATES_PCL.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/BA1/F4_FX_STRUC_NEW_RATES_PCL.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /BA1/F4_FX_STRUC_NEW_RATES_PCL
  INTO TABLE IT_/BA1/F4_FX_STRUC_NEW_RATES_PCL.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /BA1/F4_FX_STRUC_NEW_RATES_PCL
*  INTO TABLE @DATA(IT_/BA1/F4_FX_STRUC_NEW_RATES_PCL2).
*--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_/BA1/F4_FX_STRUC_NEW_RATES_PCL INDEX 1 INTO DATA(WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/BA1/F4_FX_STRUC_NEW_RATES_PCL ASSIGNING </BA1/F4_FX_STRUC_NEW_RATES_PCL>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</BA1/F4_FX_STRUC_NEW_RATES_PCL>-RATETYPE = 1.
</BA1/F4_FX_STRUC_NEW_RATES_PCL>-DATE = 1.
</BA1/F4_FX_STRUC_NEW_RATES_PCL>-FCURR = 1.
</BA1/F4_FX_STRUC_NEW_RATES_PCL>-TCURR = 1.
</BA1/F4_FX_STRUC_NEW_RATES_PCL>-AVRATE = 1.

ENDLOOP.

LOOP AT IT_/BA1/F4_FX_STRUC_NEW_RATES_PCL INTO WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-BBRATE, sy-vline,
  WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-BSRATE, sy-vline,
  WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-SPREAD, sy-vline,
  WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-TYPE, sy-vline,
  WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-ID, sy-vline,
  WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-NUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL 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_/BA1/F4_FX_STRUC_NEW_RATES_PCL 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_/BA1/F4_FX_STRUC_NEW_RATES_PCL INTO WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL.


*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 SYSTEM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-SYSTEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL-SYSTEM.
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_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR, 
RATETYPE TYPE STRING,
DATE TYPE STRING,
FCURR TYPE STRING,
TCURR TYPE STRING,
AVRATE TYPE STRING,
BBRATE TYPE STRING,
BSRATE TYPE STRING,
SPREAD TYPE STRING,
TYPE TYPE STRING,
ID TYPE STRING,
NUMBER TYPE STRING,
MESSAGE TYPE STRING,
LOG_NO TYPE STRING,
LOG_MSG_NO TYPE STRING,
MESSAGE_V1 TYPE STRING,
MESSAGE_V2 TYPE STRING,
MESSAGE_V3 TYPE STRING,
MESSAGE_V4 TYPE STRING,
PARAMETER TYPE STRING,
ROW TYPE STRING,
FIELD TYPE STRING,
SYSTEM TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_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_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-RATETYPE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-DATE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-FCURR sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-TCURR sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-AVRATE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-BBRATE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-BSRATE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-SPREAD sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-TYPE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-ID sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-NUMBER sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-MESSAGE sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-LOG_NO sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-LOG_MSG_NO sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-MESSAGE_V1 sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-MESSAGE_V2 sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-MESSAGE_V3 sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-MESSAGE_V4 sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-PARAMETER sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-ROW sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-FIELD sy-vline 
WA_/BA1/F4_FX_STRUC_NEW_RATES_PCL_STR-SYSTEM sy-vline      INTO ld_text SEPARATED BY SPACE.

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