ABAP Select data from SAP table MMIV_SI_S_EXT_CREATE_DEEP into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM MMIV_SI_S_EXT_CREATE_DEEP
*  INTO TABLE @DATA(IT_MMIV_SI_S_EXT_CREATE_DEEP2).
*--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_MMIV_SI_S_EXT_CREATE_DEEP INDEX 1 INTO DATA(WA_MMIV_SI_S_EXT_CREATE_DEEP2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<MMIV_SI_S_EXT_CREATE_DEEP>-SUPPLIERINVOICETRANSACTIONTYPE = 1.
<MMIV_SI_S_EXT_CREATE_DEEP>-COMPANYCODE = 1.
<MMIV_SI_S_EXT_CREATE_DEEP>-DOCUMENTDATE = 1.
<MMIV_SI_S_EXT_CREATE_DEEP>-POSTINGDATE = 1.
<MMIV_SI_S_EXT_CREATE_DEEP>-SUPPLIERINVOICEIDBYINVCGPARTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_MMIV_SI_S_EXT_CREATE_DEEP-INVOICINGPARTY, sy-vline,
  WA_MMIV_SI_S_EXT_CREATE_DEEP-INVOICEGROSSAMOUNT, sy-vline,
  WA_MMIV_SI_S_EXT_CREATE_DEEP-DOCUMENTCURRENCY, sy-vline,
  WA_MMIV_SI_S_EXT_CREATE_DEEP-PAYMENTBLOCKINGREASON, sy-vline,
  WA_MMIV_SI_S_EXT_CREATE_DEEP-DUECALCULATIONBASEDATE, sy-vline,
  WA_MMIV_SI_S_EXT_CREATE_DEEP-MANUALCASHDISCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_MMIV_SI_S_EXT_CREATE_DEEP 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_MMIV_SI_S_EXT_CREATE_DEEP 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_MMIV_SI_S_EXT_CREATE_DEEP INTO WA_MMIV_SI_S_EXT_CREATE_DEEP.


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

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

*Conversion exit GJAHR, internal->external for field INVOICEREFERENCEFISCALYEAR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_EXT_CREATE_DEEP-INVOICEREFERENCEFISCALYEAR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_EXT_CREATE_DEEP-INVOICEREFERENCEFISCALYEAR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field PAYTSLIPWTHREFREFERENCE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_MMIV_SI_S_EXT_CREATE_DEEP-PAYTSLIPWTHREFREFERENCE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_MMIV_SI_S_EXT_CREATE_DEEP-PAYTSLIPWTHREFREFERENCE.
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_MMIV_SI_S_EXT_CREATE_DEEP_STR, 
SUPPLIERINVOICETRANSACTIONTYPE TYPE STRING,
COMPANYCODE TYPE STRING,
DOCUMENTDATE TYPE STRING,
POSTINGDATE TYPE STRING,
SUPPLIERINVOICEIDBYINVCGPARTY TYPE STRING,
INVOICINGPARTY TYPE STRING,
INVOICEGROSSAMOUNT TYPE STRING,
DOCUMENTCURRENCY TYPE STRING,
PAYMENTBLOCKINGREASON TYPE STRING,
DUECALCULATIONBASEDATE TYPE STRING,
MANUALCASHDISCOUNT TYPE STRING,
PAYMENTMETHOD TYPE STRING,
PAYMENTMETHODSUPPLEMENT TYPE STRING,
PAYMENTREFERENCE TYPE STRING,
INVOICEREFERENCE TYPE STRING,
INVOICEREFERENCEFISCALYEAR TYPE STRING,
PAYMENTTERMS TYPE STRING,
CASHDISCOUNT1DAYS TYPE STRING,
CASHDISCOUNT1PERCENT TYPE STRING,
CASHDISCOUNT2DAYS TYPE STRING,
CASHDISCOUNT2PERCENT TYPE STRING,
NETPAYMENTDAYS TYPE STRING,
FIXEDCASHDISCOUNT TYPE STRING,
UNPLANNEDDELIVERYCOST TYPE STRING,
UNPLANNEDDELIVERYCOSTTAXCODE TYPE STRING,
UNPLNDDELIVCOSTTAXJURISDICTION TYPE STRING,
REFERENCEDOCUMENTCATEGORY TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
ASSIGNMENTREFERENCE TYPE STRING,
SUPPLIERPOSTINGLINEITEMTEXT TYPE STRING,
ACCOUNTINGDOCUMENTHEADERTEXT TYPE STRING,
BUSINESSPLACE TYPE STRING,
BUSINESSSECTIONCODE TYPE STRING,
PAYTSLIPWTHREFSUBSCRIBER TYPE STRING,
PAYTSLIPWTHREFCHECKDIGIT TYPE STRING,
PAYTSLIPWTHREFREFERENCE TYPE STRING,
BUSINESSAREA TYPE STRING,
INVOICERECEIPTDATE TYPE STRING,
DELIVERYOFGOODSREPORTINGCNTRY TYPE STRING,
ISEUTRIANGULARDEAL TYPE STRING,
TAXDETERMINATIONDATE TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
UNPLNDDELIVERYCOSTTAXCOUNTRY TYPE STRING,
JRNLENTRYCNTRYSPECIFICREF1 TYPE STRING,
JRNLENTRYCNTRYSPECIFICDATE1 TYPE STRING,
BPBANKACCOUNTINTERNALID TYPE STRING,
TAXREPORTINGDATE TYPE STRING,
TAXFULFILLMENTDATE TYPE STRING,
SUPPLIERINVOICEORIGIN TYPE STRING,
BUSINESSNETWORKORIGIN TYPE STRING,
SUPPLIERINVOICEUPLOADFILEUUID TYPE STRING,
SUPPLIERINVOICEUPLOADORIGIN TYPE STRING,
DUMMY_MMIV_SI_S_HEADER_EEW_PS TYPE STRING,
ITEMS_WITH_PO_REFERENCE TYPE STRING,
PO_REFERENCES TYPE STRING,
TAXES TYPE STRING,
INCOMPLETE_ITEMS TYPE STRING,
GL_ACCOUNT_ITEMS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_MMIV_SI_S_EXT_CREATE_DEEP_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_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERINVOICETRANSACTIONTYPE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-COMPANYCODE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-DOCUMENTDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-POSTINGDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERINVOICEIDBYINVCGPARTY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INVOICINGPARTY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INVOICEGROSSAMOUNT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-DOCUMENTCURRENCY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYMENTBLOCKINGREASON sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-DUECALCULATIONBASEDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-MANUALCASHDISCOUNT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYMENTMETHOD sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYMENTMETHODSUPPLEMENT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYMENTREFERENCE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INVOICEREFERENCE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INVOICEREFERENCEFISCALYEAR sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYMENTTERMS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-CASHDISCOUNT1DAYS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-CASHDISCOUNT1PERCENT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-CASHDISCOUNT2DAYS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-CASHDISCOUNT2PERCENT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-NETPAYMENTDAYS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-FIXEDCASHDISCOUNT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-UNPLANNEDDELIVERYCOST sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-UNPLANNEDDELIVERYCOSTTAXCODE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-UNPLNDDELIVCOSTTAXJURISDICTION sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-REFERENCEDOCUMENTCATEGORY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-ASSIGNMENTREFERENCE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERPOSTINGLINEITEMTEXT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-ACCOUNTINGDOCUMENTHEADERTEXT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-BUSINESSPLACE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-BUSINESSSECTIONCODE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYTSLIPWTHREFSUBSCRIBER sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYTSLIPWTHREFCHECKDIGIT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PAYTSLIPWTHREFREFERENCE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-BUSINESSAREA sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INVOICERECEIPTDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-DELIVERYOFGOODSREPORTINGCNTRY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-ISEUTRIANGULARDEAL sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-TAXDETERMINATIONDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-HOUSEBANK sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-HOUSEBANKACCOUNT sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-UNPLNDDELIVERYCOSTTAXCOUNTRY sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-JRNLENTRYCNTRYSPECIFICREF1 sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-JRNLENTRYCNTRYSPECIFICDATE1 sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-BPBANKACCOUNTINTERNALID sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-TAXREPORTINGDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-TAXFULFILLMENTDATE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERINVOICEORIGIN sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-BUSINESSNETWORKORIGIN sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERINVOICEUPLOADFILEUUID sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-SUPPLIERINVOICEUPLOADORIGIN sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-DUMMY_MMIV_SI_S_HEADER_EEW_PS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-ITEMS_WITH_PO_REFERENCE sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-PO_REFERENCES sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-TAXES sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-INCOMPLETE_ITEMS sy-vline 
WA_MMIV_SI_S_EXT_CREATE_DEEP_STR-GL_ACCOUNT_ITEMS sy-vline      INTO ld_text SEPARATED BY SPACE.

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