ABAP Select data from SAP table SKB1_DRAFT_20 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SKB1_DRAFT_20 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 SKB1_DRAFT_20. 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 SKB1_DRAFT_20 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_SKB1_DRAFT_20 TYPE STANDARD TABLE OF SKB1_DRAFT_20,
      WA_SKB1_DRAFT_20 TYPE SKB1_DRAFT_20,
      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: <SKB1_DRAFT_20> TYPE SKB1_DRAFT_20.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SKB1_DRAFT_20.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SKB1_DRAFT_20
  INTO TABLE IT_SKB1_DRAFT_20.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SKB1_DRAFT_20
*  INTO TABLE @DATA(IT_SKB1_DRAFT_202).
*--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_SKB1_DRAFT_20 INDEX 1 INTO DATA(WA_SKB1_DRAFT_202).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SKB1_DRAFT_20 ASSIGNING <SKB1_DRAFT_20>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SKB1_DRAFT_20>-MANDT = 1.
<SKB1_DRAFT_20>-DRAFTUUID = 1.
<SKB1_DRAFT_20>-PARENTDRAFTUUID = 1.
<SKB1_DRAFT_20>-CHARTOFACCOUNTS = 1.
<SKB1_DRAFT_20>-GLACCOUNT = 1.

ENDLOOP.

LOOP AT IT_SKB1_DRAFT_20 INTO WA_SKB1_DRAFT_20.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SKB1_DRAFT_20-COMPANYCODE, sy-vline,
  WA_SKB1_DRAFT_20-COMPANYCODEFOREDIT, sy-vline,
  WA_SKB1_DRAFT_20-AUTHORIZATIONGROUP, sy-vline,
  WA_SKB1_DRAFT_20-ACCOUNTINGCLERK, sy-vline,
  WA_SKB1_DRAFT_20-LASTINTERESTCALCRUNDATE, sy-vline,
  WA_SKB1_DRAFT_20-CREATIONDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SKB1_DRAFT_20 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_SKB1_DRAFT_20 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_SKB1_DRAFT_20 INTO WA_SKB1_DRAFT_20.


*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 GLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-GLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-GLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ALTERNATIVEGLACCOUNT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-ALTERNATIVEGLACCOUNT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-ALTERNATIVEGLACCOUNT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field JOINTVENTURERECOVERYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-JOINTVENTURERECOVERYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-JOINTVENTURERECOVERYCODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FMCIS, internal->external for field COMMITMENTITEM
CALL FUNCTION 'CONVERSION_EXIT_FMCIS_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-COMMITMENTITEM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-COMMITMENTITEM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field MAINTENANCELANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-MAINTENANCELANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-MAINTENANCELANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field GLACCOUNTFOREDIT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_SKB1_DRAFT_20-GLACCOUNTFOREDIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SKB1_DRAFT_20-GLACCOUNTFOREDIT.
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_SKB1_DRAFT_20_STR, 
MANDT TYPE STRING,
DRAFTUUID TYPE STRING,
PARENTDRAFTUUID TYPE STRING,
CHARTOFACCOUNTS TYPE STRING,
GLACCOUNT TYPE STRING,
COMPANYCODE TYPE STRING,
COMPANYCODEFOREDIT TYPE STRING,
AUTHORIZATIONGROUP TYPE STRING,
ACCOUNTINGCLERK TYPE STRING,
LASTINTERESTCALCRUNDATE TYPE STRING,
CREATIONDATE TYPE STRING,
CREATEDBYUSER TYPE STRING,
PLANNINGLEVEL TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
EXCHRATEDIFFERENCESACCOUNTDETN TYPE STRING,
RECONCILIATIONACCOUNTTYPE TYPE STRING,
TAXCATEGORY TYPE STRING,
INTERESTCALCULATIONCODE TYPE STRING,
GLACCOUNTCURRENCY TYPE STRING,
ISMANAGEDEXTERNALLY TYPE STRING,
ISAUTOMATICALLYPOSTED TYPE STRING,
LINEITEMDISPLAYISENABLED TYPE STRING,
SUPPLEMENTISALLOWED TYPE STRING,
ISOPENITEMMANAGED TYPE STRING,
INTERESTCALCULATIONDATE TYPE STRING,
INTRSTCALCFREQUENCYINMONTHS TYPE STRING,
ACCTGDOCITMDISPLAYSEQUENCERULE TYPE STRING,
ALTERNATIVEGLACCOUNT TYPE STRING,
ALTERNATIVEGLACCOUNTEXTERNAL TYPE STRING,
JOINTVENTURERECOVERYCODE TYPE STRING,
COMMITMENTITEM TYPE STRING,
TAXCODEISREQUIRED TYPE STRING,
BALANCEHASLOCALCURRENCY TYPE STRING,
VALUATIONGROUP TYPE STRING,
APARTOLERANCEGROUP TYPE STRING,
ACCOUNTISBLOCKEDFORPOSTING TYPE STRING,
ACCOUNTISMARKEDFORDELETION TYPE STRING,
CLEARINGISLEDGERGROUPSPECIFIC TYPE STRING,
ISCASHFLOWACCOUNT TYPE STRING,
GLACCTINFLATIONKEY TYPE STRING,
FIELDSTATUSGROUP TYPE STRING,
MULTICURRENCYACCOUNTINGCODE TYPE STRING,
RECONCILIATIONACCTISCHANGEABLE TYPE STRING,
ISEXTENDEDOPENITEMMANAGED TYPE STRING,
MAINTENANCELANGUAGE TYPE STRING,
GLACCOUNTFOREDIT TYPE STRING,
GLACCOUNTNAME TYPE STRING,
GLACCOUNTLONGNAME TYPE STRING,
CHARTOFACCOUNTSFOREDIT TYPE STRING,
COUNTRYCHARTOFACCOUNTS TYPE STRING,
COUNTRY TYPE STRING,
CONTROLLINGAREA TYPE STRING,
FIELDSTATUSVARIANT TYPE STRING,
COMPANYCODENAME TYPE STRING,
HASACTIVEENTITY TYPE STRING,
DRAFTENTITYCREATIONDATETIME TYPE STRING,
DRAFTENTITYLASTCHANGEDATETIME TYPE STRING,
DRAFTADMINISTRATIVEDATAUUID TYPE STRING,
DRAFTENTITYCONSISTENCYSTATUS TYPE STRING,
DRAFTENTITYOPERATIONCODE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SKB1_DRAFT_20_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_SKB1_DRAFT_20_STR-MANDT sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTUUID sy-vline 
WA_SKB1_DRAFT_20_STR-PARENTDRAFTUUID sy-vline 
WA_SKB1_DRAFT_20_STR-CHARTOFACCOUNTS sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCOUNT sy-vline 
WA_SKB1_DRAFT_20_STR-COMPANYCODE sy-vline 
WA_SKB1_DRAFT_20_STR-COMPANYCODEFOREDIT sy-vline 
WA_SKB1_DRAFT_20_STR-AUTHORIZATIONGROUP sy-vline 
WA_SKB1_DRAFT_20_STR-ACCOUNTINGCLERK sy-vline 
WA_SKB1_DRAFT_20_STR-LASTINTERESTCALCRUNDATE sy-vline 
WA_SKB1_DRAFT_20_STR-CREATIONDATE sy-vline 
WA_SKB1_DRAFT_20_STR-CREATEDBYUSER sy-vline 
WA_SKB1_DRAFT_20_STR-PLANNINGLEVEL sy-vline 
WA_SKB1_DRAFT_20_STR-HOUSEBANK sy-vline 
WA_SKB1_DRAFT_20_STR-HOUSEBANKACCOUNT sy-vline 
WA_SKB1_DRAFT_20_STR-EXCHRATEDIFFERENCESACCOUNTDETN sy-vline 
WA_SKB1_DRAFT_20_STR-RECONCILIATIONACCOUNTTYPE sy-vline 
WA_SKB1_DRAFT_20_STR-TAXCATEGORY sy-vline 
WA_SKB1_DRAFT_20_STR-INTERESTCALCULATIONCODE sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCOUNTCURRENCY sy-vline 
WA_SKB1_DRAFT_20_STR-ISMANAGEDEXTERNALLY sy-vline 
WA_SKB1_DRAFT_20_STR-ISAUTOMATICALLYPOSTED sy-vline 
WA_SKB1_DRAFT_20_STR-LINEITEMDISPLAYISENABLED sy-vline 
WA_SKB1_DRAFT_20_STR-SUPPLEMENTISALLOWED sy-vline 
WA_SKB1_DRAFT_20_STR-ISOPENITEMMANAGED sy-vline 
WA_SKB1_DRAFT_20_STR-INTERESTCALCULATIONDATE sy-vline 
WA_SKB1_DRAFT_20_STR-INTRSTCALCFREQUENCYINMONTHS sy-vline 
WA_SKB1_DRAFT_20_STR-ACCTGDOCITMDISPLAYSEQUENCERULE sy-vline 
WA_SKB1_DRAFT_20_STR-ALTERNATIVEGLACCOUNT sy-vline 
WA_SKB1_DRAFT_20_STR-ALTERNATIVEGLACCOUNTEXTERNAL sy-vline 
WA_SKB1_DRAFT_20_STR-JOINTVENTURERECOVERYCODE sy-vline 
WA_SKB1_DRAFT_20_STR-COMMITMENTITEM sy-vline 
WA_SKB1_DRAFT_20_STR-TAXCODEISREQUIRED sy-vline 
WA_SKB1_DRAFT_20_STR-BALANCEHASLOCALCURRENCY sy-vline 
WA_SKB1_DRAFT_20_STR-VALUATIONGROUP sy-vline 
WA_SKB1_DRAFT_20_STR-APARTOLERANCEGROUP sy-vline 
WA_SKB1_DRAFT_20_STR-ACCOUNTISBLOCKEDFORPOSTING sy-vline 
WA_SKB1_DRAFT_20_STR-ACCOUNTISMARKEDFORDELETION sy-vline 
WA_SKB1_DRAFT_20_STR-CLEARINGISLEDGERGROUPSPECIFIC sy-vline 
WA_SKB1_DRAFT_20_STR-ISCASHFLOWACCOUNT sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCTINFLATIONKEY sy-vline 
WA_SKB1_DRAFT_20_STR-FIELDSTATUSGROUP sy-vline 
WA_SKB1_DRAFT_20_STR-MULTICURRENCYACCOUNTINGCODE sy-vline 
WA_SKB1_DRAFT_20_STR-RECONCILIATIONACCTISCHANGEABLE sy-vline 
WA_SKB1_DRAFT_20_STR-ISEXTENDEDOPENITEMMANAGED sy-vline 
WA_SKB1_DRAFT_20_STR-MAINTENANCELANGUAGE sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCOUNTFOREDIT sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCOUNTNAME sy-vline 
WA_SKB1_DRAFT_20_STR-GLACCOUNTLONGNAME sy-vline 
WA_SKB1_DRAFT_20_STR-CHARTOFACCOUNTSFOREDIT sy-vline 
WA_SKB1_DRAFT_20_STR-COUNTRYCHARTOFACCOUNTS sy-vline 
WA_SKB1_DRAFT_20_STR-COUNTRY sy-vline 
WA_SKB1_DRAFT_20_STR-CONTROLLINGAREA sy-vline 
WA_SKB1_DRAFT_20_STR-FIELDSTATUSVARIANT sy-vline 
WA_SKB1_DRAFT_20_STR-COMPANYCODENAME sy-vline 
WA_SKB1_DRAFT_20_STR-HASACTIVEENTITY sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTENTITYCREATIONDATETIME sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTENTITYLASTCHANGEDATETIME sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTADMINISTRATIVEDATAUUID sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTENTITYCONSISTENCYSTATUS sy-vline 
WA_SKB1_DRAFT_20_STR-DRAFTENTITYOPERATIONCODE sy-vline      INTO ld_text SEPARATED BY SPACE.

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