ABAP Select data from SAP table FKC_MIG_PC_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKC_MIG_PC_ITEM
*  INTO TABLE @DATA(IT_FKC_MIG_PC_ITEM2).
*--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_FKC_MIG_PC_ITEM INDEX 1 INTO DATA(WA_FKC_MIG_PC_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKC_MIG_PC_ITEM>-SENDER_TECHNICAL_ID = 1.
<FKC_MIG_PC_ITEM>-CONTRACT_ITEM_ID = 1.
<FKC_MIG_PC_ITEM>-CONTRACT_ID = 1.
<FKC_MIG_PC_ITEM>-PARENT_ID = 1.
<FKC_MIG_PC_ITEM>-VALIDTO = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKC_MIG_PC_ITEM-ITEM_DESC, sy-vline,
  WA_FKC_MIG_PC_ITEM-SALES_ORG, sy-vline,
  WA_FKC_MIG_PC_ITEM-DIS_CHANNEL, sy-vline,
  WA_FKC_MIG_PC_ITEM-DIVISION, sy-vline,
  WA_FKC_MIG_PC_ITEM-SALES_AREA_ATTR1, sy-vline,
  WA_FKC_MIG_PC_ITEM-SALES_AREA_ATTR2, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKC_MIG_PC_ITEM 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_FKC_MIG_PC_ITEM 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_FKC_MIG_PC_ITEM INTO WA_FKC_MIG_PC_ITEM.


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

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

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

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

*Conversion exit ABPSN, internal->external for field PS_POSID
CALL FUNCTION 'CONVERSION_EXIT_ABPSN_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_PC_ITEM-PS_POSID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_PC_ITEM-PS_POSID.
WRITE:/ 'New Value:', ld_input.

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

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

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

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

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

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

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

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

*Conversion exit MATN1, internal->external for field MATNR_COPA
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_FKC_MIG_PC_ITEM-MATNR_COPA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKC_MIG_PC_ITEM-MATNR_COPA.
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_FKC_MIG_PC_ITEM_STR, 
SENDER_TECHNICAL_ID TYPE STRING,
CONTRACT_ITEM_ID TYPE STRING,
CONTRACT_ID TYPE STRING,
PARENT_ID TYPE STRING,
VALIDTO TYPE STRING,
ITEM_DESC TYPE STRING,
SALES_ORG TYPE STRING,
DIS_CHANNEL TYPE STRING,
DIVISION TYPE STRING,
SALES_AREA_ATTR1 TYPE STRING,
SALES_AREA_ATTR2 TYPE STRING,
PRODUCT_ID TYPE STRING,
BILLCYCLE TYPE STRING,
POSTPAID_ACCOUNT_DFLT TYPE STRING,
PREPAID_ACCOUNT_DFLT TYPE STRING,
INV_SCHEDULE TYPE STRING,
PRODUCT_SHTXT TYPE STRING,
PRODUCT_LGTXT TYPE STRING,
MASTER_AGREEMENT_ID TYPE STRING,
MASTER_AGREEMENT_PROD_ID TYPE STRING,
SERVICE_RECIPIENT TYPE STRING,
PARTNER_SETTLEMENT_RULE TYPE STRING,
PS_POSID TYPE STRING,
AUFNR TYPE STRING,
CB_SOLDTO TYPE STRING,
CB_BILLTO TYPE STRING,
CB_DZTERM TYPE STRING,
CB_BEMOT TYPE STRING,
CB_MNDID TYPE STRING,
RATING_AREA TYPE STRING,
RATING_AREA_NEW TYPE STRING,
RATING_AREA_CHANGE TYPE STRING,
RVAC_REFID TYPE STRING,
RVAC_REFTYPE TYPE STRING,
PRODUCT_CODE_SALES_PACK TYPE STRING,
TRANS_PRICE TYPE STRING,
TP_CURRENCY TYPE STRING,
TP_REC_DURATION TYPE STRING,
TP_REC_UNIT TYPE STRING,
STANDALONE_PRICE TYPE STRING,
SP_CURRENCY TYPE STRING,
SP_REC_DURATION TYPE STRING,
SP_REC_UNIT TYPE STRING,
VALIDTO_RT TYPE STRING,
CHANGE_REASON TYPE STRING,
CB_CCARD_ID TYPE STRING,
CUOBJ TYPE STRING,
BILLPLANNO TYPE STRING,
TOTAL_TRANSACTION_PRICE TYPE STRING,
TOTAL_SSP TYPE STRING,
ADRSR TYPE STRING,
STATUS TYPE STRING,
DUMMY_PRVCTRITM_INCL_EEW_PS TYPE STRING,
MAHNV TYPE STRING,
XDISCOEXEMPT TYPE STRING,
TAX_COUNTRY TYPE STRING,
DUNN_PARAM_ACTIVE TYPE STRING,
PAY_PARAM_ACTIVE TYPE STRING,
PAYMENT_TERMS TYPE STRING,
METHOD_INC TYPE STRING,
ALTER_PAYER TYPE STRING,
ADDR_ALT_PAYER TYPE STRING,
BANK_INC TYPE STRING,
SEPA_MANDATE_ID TYPE STRING,
CCARD_INC TYPE STRING,
METHOD_OUTG TYPE STRING,
ALTER_PAYEE TYPE STRING,
ADDR_ALT_PAYEE TYPE STRING,
BANK_OUTG TYPE STRING,
CCARD_OUTG TYPE STRING,
QUANTITY TYPE STRING,
QUANTITYUNIT TYPE STRING,
VALIDFROM_RT TYPE STRING,
RECURR_SERVICE_TYPE TYPE STRING,
ADRSR_EXT TYPE STRING,
ADDR_ALT_PAYER_EXT TYPE STRING,
ADDR_ALT_PAYEE_EXT TYPE STRING,
CHARGE_TYPE TYPE STRING,
BSTKD TYPE STRING,
BSTDK TYPE STRING,
RA_OI_ORIG TYPE STRING,
MATNR_COPA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKC_MIG_PC_ITEM_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_FKC_MIG_PC_ITEM_STR-SENDER_TECHNICAL_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CONTRACT_ITEM_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CONTRACT_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PARENT_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-VALIDTO sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ITEM_DESC sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SALES_ORG sy-vline 
WA_FKC_MIG_PC_ITEM_STR-DIS_CHANNEL sy-vline 
WA_FKC_MIG_PC_ITEM_STR-DIVISION sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SALES_AREA_ATTR1 sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SALES_AREA_ATTR2 sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PRODUCT_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BILLCYCLE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-POSTPAID_ACCOUNT_DFLT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PREPAID_ACCOUNT_DFLT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-INV_SCHEDULE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PRODUCT_SHTXT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PRODUCT_LGTXT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-MASTER_AGREEMENT_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-MASTER_AGREEMENT_PROD_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SERVICE_RECIPIENT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PARTNER_SETTLEMENT_RULE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PS_POSID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-AUFNR sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_SOLDTO sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_BILLTO sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_DZTERM sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_BEMOT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_MNDID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RATING_AREA sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RATING_AREA_NEW sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RATING_AREA_CHANGE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RVAC_REFID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RVAC_REFTYPE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PRODUCT_CODE_SALES_PACK sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TRANS_PRICE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TP_CURRENCY sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TP_REC_DURATION sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TP_REC_UNIT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-STANDALONE_PRICE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SP_CURRENCY sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SP_REC_DURATION sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SP_REC_UNIT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-VALIDTO_RT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CHANGE_REASON sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CB_CCARD_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CUOBJ sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BILLPLANNO sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TOTAL_TRANSACTION_PRICE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TOTAL_SSP sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADRSR sy-vline 
WA_FKC_MIG_PC_ITEM_STR-STATUS sy-vline 
WA_FKC_MIG_PC_ITEM_STR-DUMMY_PRVCTRITM_INCL_EEW_PS sy-vline 
WA_FKC_MIG_PC_ITEM_STR-MAHNV sy-vline 
WA_FKC_MIG_PC_ITEM_STR-XDISCOEXEMPT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-TAX_COUNTRY sy-vline 
WA_FKC_MIG_PC_ITEM_STR-DUNN_PARAM_ACTIVE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PAY_PARAM_ACTIVE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-PAYMENT_TERMS sy-vline 
WA_FKC_MIG_PC_ITEM_STR-METHOD_INC sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ALTER_PAYER sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADDR_ALT_PAYER sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BANK_INC sy-vline 
WA_FKC_MIG_PC_ITEM_STR-SEPA_MANDATE_ID sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CCARD_INC sy-vline 
WA_FKC_MIG_PC_ITEM_STR-METHOD_OUTG sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ALTER_PAYEE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADDR_ALT_PAYEE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BANK_OUTG sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CCARD_OUTG sy-vline 
WA_FKC_MIG_PC_ITEM_STR-QUANTITY sy-vline 
WA_FKC_MIG_PC_ITEM_STR-QUANTITYUNIT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-VALIDFROM_RT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RECURR_SERVICE_TYPE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADRSR_EXT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADDR_ALT_PAYER_EXT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-ADDR_ALT_PAYEE_EXT sy-vline 
WA_FKC_MIG_PC_ITEM_STR-CHARGE_TYPE sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BSTKD sy-vline 
WA_FKC_MIG_PC_ITEM_STR-BSTDK sy-vline 
WA_FKC_MIG_PC_ITEM_STR-RA_OI_ORIG sy-vline 
WA_FKC_MIG_PC_ITEM_STR-MATNR_COPA sy-vline      INTO ld_text SEPARATED BY SPACE.

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