ABAP Select data from SAP table RECE_RECLASSIFY_L into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECE_RECLASSIFY_L
*  INTO TABLE @DATA(IT_RECE_RECLASSIFY_L2).
*--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_RECE_RECLASSIFY_L INDEX 1 INTO DATA(WA_RECE_RECLASSIFY_L2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECE_RECLASSIFY_L>-IDENTCN = 1.
<RECE_RECLASSIFY_L>-INTRENO = 1.
<RECE_RECLASSIFY_L>-OBJNR = 1.
<RECE_RECLASSIFY_L>-TERMNO = 1.
<RECE_RECLASSIFY_L>-CERULE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECE_RECLASSIFY_L-XPERIOD, sy-vline,
  WA_RECE_RECLASSIFY_L-VALIDFROM, sy-vline,
  WA_RECE_RECLASSIFY_L-VALIDTO, sy-vline,
  WA_RECE_RECLASSIFY_L-CURRENCY, sy-vline,
  WA_RECE_RECLASSIFY_L-BALANCE_ACTUAL, sy-vline,
  WA_RECE_RECLASSIFY_L-BALANCE_PLAN, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECE_RECLASSIFY_L 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_RECE_RECLASSIFY_L 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_RECE_RECLASSIFY_L INTO WA_RECE_RECLASSIFY_L.


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

*Conversion exit REDAT, internal->external for field VALIDTO
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECE_RECLASSIFY_L-VALIDTO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_RECLASSIFY_L-VALIDTO.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit ALPHA, internal->external for field PRCTR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECE_RECLASSIFY_L-PRCTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECE_RECLASSIFY_L-PRCTR.
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_RECE_RECLASSIFY_L_STR, 
IDENTCN TYPE STRING,
INTRENO TYPE STRING,
OBJNR TYPE STRING,
TERMNO TYPE STRING,
CERULE TYPE STRING,
XPERIOD TYPE STRING,
VALIDFROM TYPE STRING,
VALIDTO TYPE STRING,
CURRENCY TYPE STRING,
BALANCE_ACTUAL TYPE STRING,
BALANCE_PLAN TYPE STRING,
TRANSFER_ACTUAL TYPE STRING,
TRANSFER_PLAN TYPE STRING,
RELATIVE_ACTUAL TYPE STRING,
RELATIVE_PLAN TYPE STRING,
NO_ACTUAL_CF TYPE STRING,
NO_ACTUAL_AQ TYPE STRING,
METHOD TYPE STRING,
IDX TYPE STRING,
ACCOUNT TYPE STRING,
ACCOUNT_DESTINATION TYPE STRING,
LEDGER TYPE STRING,
ACCPRINCIPLE TYPE STRING,
LEDGER_GROUP TYPE STRING,
CHARTOFACC TYPE STRING,
XACCOUNT TYPE STRING,
XACCOUNT_DESTINATION TYPE STRING,
BUKRS TYPE STRING,
RECNNR TYPE STRING,
RECNTYPE TYPE STRING,
XRECNTYPE TYPE STRING,
RECNTXT TYPE STRING,
BWBER TYPE STRING,
XBWBER TYPE STRING,
STYLETAB TYPE STRING,
COLORTAB TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
INITIAL_TRANSFER_ACT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECE_RECLASSIFY_L_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_RECE_RECLASSIFY_L_STR-IDENTCN sy-vline 
WA_RECE_RECLASSIFY_L_STR-INTRENO sy-vline 
WA_RECE_RECLASSIFY_L_STR-OBJNR sy-vline 
WA_RECE_RECLASSIFY_L_STR-TERMNO sy-vline 
WA_RECE_RECLASSIFY_L_STR-CERULE sy-vline 
WA_RECE_RECLASSIFY_L_STR-XPERIOD sy-vline 
WA_RECE_RECLASSIFY_L_STR-VALIDFROM sy-vline 
WA_RECE_RECLASSIFY_L_STR-VALIDTO sy-vline 
WA_RECE_RECLASSIFY_L_STR-CURRENCY sy-vline 
WA_RECE_RECLASSIFY_L_STR-BALANCE_ACTUAL sy-vline 
WA_RECE_RECLASSIFY_L_STR-BALANCE_PLAN sy-vline 
WA_RECE_RECLASSIFY_L_STR-TRANSFER_ACTUAL sy-vline 
WA_RECE_RECLASSIFY_L_STR-TRANSFER_PLAN sy-vline 
WA_RECE_RECLASSIFY_L_STR-RELATIVE_ACTUAL sy-vline 
WA_RECE_RECLASSIFY_L_STR-RELATIVE_PLAN sy-vline 
WA_RECE_RECLASSIFY_L_STR-NO_ACTUAL_CF sy-vline 
WA_RECE_RECLASSIFY_L_STR-NO_ACTUAL_AQ sy-vline 
WA_RECE_RECLASSIFY_L_STR-METHOD sy-vline 
WA_RECE_RECLASSIFY_L_STR-IDX sy-vline 
WA_RECE_RECLASSIFY_L_STR-ACCOUNT sy-vline 
WA_RECE_RECLASSIFY_L_STR-ACCOUNT_DESTINATION sy-vline 
WA_RECE_RECLASSIFY_L_STR-LEDGER sy-vline 
WA_RECE_RECLASSIFY_L_STR-ACCPRINCIPLE sy-vline 
WA_RECE_RECLASSIFY_L_STR-LEDGER_GROUP sy-vline 
WA_RECE_RECLASSIFY_L_STR-CHARTOFACC sy-vline 
WA_RECE_RECLASSIFY_L_STR-XACCOUNT sy-vline 
WA_RECE_RECLASSIFY_L_STR-XACCOUNT_DESTINATION sy-vline 
WA_RECE_RECLASSIFY_L_STR-BUKRS sy-vline 
WA_RECE_RECLASSIFY_L_STR-RECNNR sy-vline 
WA_RECE_RECLASSIFY_L_STR-RECNTYPE sy-vline 
WA_RECE_RECLASSIFY_L_STR-XRECNTYPE sy-vline 
WA_RECE_RECLASSIFY_L_STR-RECNTXT sy-vline 
WA_RECE_RECLASSIFY_L_STR-BWBER sy-vline 
WA_RECE_RECLASSIFY_L_STR-XBWBER sy-vline 
WA_RECE_RECLASSIFY_L_STR-STYLETAB sy-vline 
WA_RECE_RECLASSIFY_L_STR-COLORTAB sy-vline 
WA_RECE_RECLASSIFY_L_STR-GSBER sy-vline 
WA_RECE_RECLASSIFY_L_STR-PRCTR sy-vline 
WA_RECE_RECLASSIFY_L_STR-INITIAL_TRANSFER_ACT sy-vline      INTO ld_text SEPARATED BY SPACE.

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