ABAP Select data from SAP table FKKRA_RAI into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKKRA_RAI
*  INTO TABLE @DATA(IT_FKKRA_RAI2).
*--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_FKKRA_RAI INDEX 1 INTO DATA(WA_FKKRA_RAI2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKKRA_RAI>-RAI_MI = 1.
<FKKRA_RAI>-MANDT = 1.
<FKKRA_RAI>-RAI_ID = 1.
<FKKRA_RAI>-SRCDOC_COMP = 1.
<FKKRA_RAI>-SRCDOC_LOGSYS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKKRA_RAI-SRCDOC_TYPE, sy-vline,
  WA_FKKRA_RAI-SRCDOC_ID, sy-vline,
  WA_FKKRA_RAI-TIMESTAMP_UTC, sy-vline,
  WA_FKKRA_RAI-HEADER_ID, sy-vline,
  WA_FKKRA_RAI-ITEM_ID, sy-vline,
  WA_FKKRA_RAI-SERVICE_TYPE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKKRA_RAI 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_FKKRA_RAI 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_FKKRA_RAI INTO WA_FKKRA_RAI.


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

*Conversion exit TSTLC, internal->external for field TIMESTAMP_UTC
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-TIMESTAMP_UTC
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-TIMESTAMP_UTC.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTLC, internal->external for field SENTTS
CALL FUNCTION 'CONVERSION_EXIT_TSTLC_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-SENTTS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-SENTTS.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

*Conversion exit CUNIT, internal->external for field QUANTITY_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-QUANTITY_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-QUANTITY_UNIT.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-EXCHANGE_RATE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-EXCHANGE_RATE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE2
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-EXCHANGE_RATE2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-EXCHANGE_RATE2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit EXCRT, internal->external for field EXCHANGE_RATE3
CALL FUNCTION 'CONVERSION_EXIT_EXCRT_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-EXCHANGE_RATE3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-EXCHANGE_RATE3.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit ALPHA, internal->external for field RECEIV_ACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKKRA_RAI-RECEIV_ACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKKRA_RAI-RECEIV_ACCOUNT.
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_FKKRA_RAI_STR, 
RAI_MI TYPE STRING,
MANDT TYPE STRING,
RAI_ID TYPE STRING,
SRCDOC_COMP TYPE STRING,
SRCDOC_LOGSYS TYPE STRING,
SRCDOC_TYPE TYPE STRING,
SRCDOC_ID TYPE STRING,
TIMESTAMP_UTC TYPE STRING,
HEADER_ID TYPE STRING,
ITEM_ID TYPE STRING,
SERVICE_TYPE TYPE STRING,
CRDATE TYPE STRING,
CRTIME TYPE STRING,
SENTDATE TYPE STRING,
SENTTIME TYPE STRING,
SENTTS TYPE STRING,
KUNNR TYPE STRING,
PARTNER TYPE STRING,
VKONT TYPE STRING,
VTREF TYPE STRING,
VTPOS TYPE STRING,
SUBAP TYPE STRING,
BUKRS TYPE STRING,
BETRW TYPE STRING,
WAERS TYPE STRING,
HWAER TYPE STRING,
HWAE2 TYPE STRING,
HWAE3 TYPE STRING,
QUANTITY TYPE STRING,
QUANTITY_UNIT TYPE STRING,
QUANTITY_REL TYPE STRING,
ORIGDOC_COMP TYPE STRING,
ORIGDOC_LOGSYS TYPE STRING,
ORIGDOC_TYPE TYPE STRING,
ORIGDOC_ID TYPE STRING,
DUE_DATE TYPE STRING,
INVOICE_TYPE TYPE STRING,
INVOICE_CAT TYPE STRING,
FINAL_INVOICE TYPE STRING,
INVDOCNO TYPE STRING,
RA_INVGR TYPE STRING,
POSTING_DATE TYPE STRING,
EVENT_DATE TYPE STRING,
EVENT_TIME TYPE STRING,
EVENT_TYPE TYPE STRING,
REVERSAL TYPE STRING,
DELETION_IND TYPE STRING,
EXCHANGE_RATE TYPE STRING,
EXCHANGE_RATE2 TYPE STRING,
EXCHANGE_RATE3 TYPE STRING,
REFERENCE_TYPE TYPE STRING,
REFERENCE_ID TYPE STRING,
GSBER TYPE STRING,
PRCTR TYPE STRING,
SEGMENT TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
HILDOC_COMP TYPE STRING,
HILDOC_LOGSYS TYPE STRING,
HILDOC_TYPE TYPE STRING,
HILDOC_ID TYPE STRING,
SALES_ORG TYPE STRING,
INCEPTION_DATE TYPE STRING,
VALUE_RELEVANT TYPE STRING,
CHRSN TYPE STRING,
PRDNR TYPE STRING,
PRDNR_SP TYPE STRING,
SPART TYPE STRING,
VTWEG TYPE STRING,
X_ESTIMATED_QUAN TYPE STRING,
KEYPP TYPE STRING,
XRECACC_DET TYPE STRING,
XACCASS_DET TYPE STRING,
CHIND TYPE STRING,
RECEIV_ACCOUNT TYPE STRING,
ITEM_TYPE TYPE STRING,
MIG_PACKAGE TYPE STRING,
INITIAL_LOAD TYPE STRING,
FINAL_DATE TYPE STRING,
PREDOC_COMP TYPE STRING,
PREDOC_LOGSYS TYPE STRING,
PREDOC_TYPE TYPE STRING,
PREDOC_ID TYPE STRING,
CRMET TYPE STRING,
EFFECTIVE_DATE TYPE STRING,
ASSET_IMPAIRMENT TYPE STRING,
CHARGE_TYPE TYPE STRING,
DUMMY_TRANS_REC_INCL_EEW_PS TYPE STRING,
T_RAI_CO TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKKRA_RAI_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_FKKRA_RAI_STR-RAI_MI sy-vline 
WA_FKKRA_RAI_STR-MANDT sy-vline 
WA_FKKRA_RAI_STR-RAI_ID sy-vline 
WA_FKKRA_RAI_STR-SRCDOC_COMP sy-vline 
WA_FKKRA_RAI_STR-SRCDOC_LOGSYS sy-vline 
WA_FKKRA_RAI_STR-SRCDOC_TYPE sy-vline 
WA_FKKRA_RAI_STR-SRCDOC_ID sy-vline 
WA_FKKRA_RAI_STR-TIMESTAMP_UTC sy-vline 
WA_FKKRA_RAI_STR-HEADER_ID sy-vline 
WA_FKKRA_RAI_STR-ITEM_ID sy-vline 
WA_FKKRA_RAI_STR-SERVICE_TYPE sy-vline 
WA_FKKRA_RAI_STR-CRDATE sy-vline 
WA_FKKRA_RAI_STR-CRTIME sy-vline 
WA_FKKRA_RAI_STR-SENTDATE sy-vline 
WA_FKKRA_RAI_STR-SENTTIME sy-vline 
WA_FKKRA_RAI_STR-SENTTS sy-vline 
WA_FKKRA_RAI_STR-KUNNR sy-vline 
WA_FKKRA_RAI_STR-PARTNER sy-vline 
WA_FKKRA_RAI_STR-VKONT sy-vline 
WA_FKKRA_RAI_STR-VTREF sy-vline 
WA_FKKRA_RAI_STR-VTPOS sy-vline 
WA_FKKRA_RAI_STR-SUBAP sy-vline 
WA_FKKRA_RAI_STR-BUKRS sy-vline 
WA_FKKRA_RAI_STR-BETRW sy-vline 
WA_FKKRA_RAI_STR-WAERS sy-vline 
WA_FKKRA_RAI_STR-HWAER sy-vline 
WA_FKKRA_RAI_STR-HWAE2 sy-vline 
WA_FKKRA_RAI_STR-HWAE3 sy-vline 
WA_FKKRA_RAI_STR-QUANTITY sy-vline 
WA_FKKRA_RAI_STR-QUANTITY_UNIT sy-vline 
WA_FKKRA_RAI_STR-QUANTITY_REL sy-vline 
WA_FKKRA_RAI_STR-ORIGDOC_COMP sy-vline 
WA_FKKRA_RAI_STR-ORIGDOC_LOGSYS sy-vline 
WA_FKKRA_RAI_STR-ORIGDOC_TYPE sy-vline 
WA_FKKRA_RAI_STR-ORIGDOC_ID sy-vline 
WA_FKKRA_RAI_STR-DUE_DATE sy-vline 
WA_FKKRA_RAI_STR-INVOICE_TYPE sy-vline 
WA_FKKRA_RAI_STR-INVOICE_CAT sy-vline 
WA_FKKRA_RAI_STR-FINAL_INVOICE sy-vline 
WA_FKKRA_RAI_STR-INVDOCNO sy-vline 
WA_FKKRA_RAI_STR-RA_INVGR sy-vline 
WA_FKKRA_RAI_STR-POSTING_DATE sy-vline 
WA_FKKRA_RAI_STR-EVENT_DATE sy-vline 
WA_FKKRA_RAI_STR-EVENT_TIME sy-vline 
WA_FKKRA_RAI_STR-EVENT_TYPE sy-vline 
WA_FKKRA_RAI_STR-REVERSAL sy-vline 
WA_FKKRA_RAI_STR-DELETION_IND sy-vline 
WA_FKKRA_RAI_STR-EXCHANGE_RATE sy-vline 
WA_FKKRA_RAI_STR-EXCHANGE_RATE2 sy-vline 
WA_FKKRA_RAI_STR-EXCHANGE_RATE3 sy-vline 
WA_FKKRA_RAI_STR-REFERENCE_TYPE sy-vline 
WA_FKKRA_RAI_STR-REFERENCE_ID sy-vline 
WA_FKKRA_RAI_STR-GSBER sy-vline 
WA_FKKRA_RAI_STR-PRCTR sy-vline 
WA_FKKRA_RAI_STR-SEGMENT sy-vline 
WA_FKKRA_RAI_STR-START_DATE sy-vline 
WA_FKKRA_RAI_STR-END_DATE sy-vline 
WA_FKKRA_RAI_STR-HILDOC_COMP sy-vline 
WA_FKKRA_RAI_STR-HILDOC_LOGSYS sy-vline 
WA_FKKRA_RAI_STR-HILDOC_TYPE sy-vline 
WA_FKKRA_RAI_STR-HILDOC_ID sy-vline 
WA_FKKRA_RAI_STR-SALES_ORG sy-vline 
WA_FKKRA_RAI_STR-INCEPTION_DATE sy-vline 
WA_FKKRA_RAI_STR-VALUE_RELEVANT sy-vline 
WA_FKKRA_RAI_STR-CHRSN sy-vline 
WA_FKKRA_RAI_STR-PRDNR sy-vline 
WA_FKKRA_RAI_STR-PRDNR_SP sy-vline 
WA_FKKRA_RAI_STR-SPART sy-vline 
WA_FKKRA_RAI_STR-VTWEG sy-vline 
WA_FKKRA_RAI_STR-X_ESTIMATED_QUAN sy-vline 
WA_FKKRA_RAI_STR-KEYPP sy-vline 
WA_FKKRA_RAI_STR-XRECACC_DET sy-vline 
WA_FKKRA_RAI_STR-XACCASS_DET sy-vline 
WA_FKKRA_RAI_STR-CHIND sy-vline 
WA_FKKRA_RAI_STR-RECEIV_ACCOUNT sy-vline 
WA_FKKRA_RAI_STR-ITEM_TYPE sy-vline 
WA_FKKRA_RAI_STR-MIG_PACKAGE sy-vline 
WA_FKKRA_RAI_STR-INITIAL_LOAD sy-vline 
WA_FKKRA_RAI_STR-FINAL_DATE sy-vline 
WA_FKKRA_RAI_STR-PREDOC_COMP sy-vline 
WA_FKKRA_RAI_STR-PREDOC_LOGSYS sy-vline 
WA_FKKRA_RAI_STR-PREDOC_TYPE sy-vline 
WA_FKKRA_RAI_STR-PREDOC_ID sy-vline 
WA_FKKRA_RAI_STR-CRMET sy-vline 
WA_FKKRA_RAI_STR-EFFECTIVE_DATE sy-vline 
WA_FKKRA_RAI_STR-ASSET_IMPAIRMENT sy-vline 
WA_FKKRA_RAI_STR-CHARGE_TYPE sy-vline 
WA_FKKRA_RAI_STR-DUMMY_TRANS_REC_INCL_EEW_PS sy-vline 
WA_FKKRA_RAI_STR-T_RAI_CO sy-vline      INTO ld_text SEPARATED BY SPACE.

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