ABAP Select data from SAP table FKK_LOCK_ODATA_BUSLOCK into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKK_LOCK_ODATA_BUSLOCK
*  INTO TABLE @DATA(IT_FKK_LOCK_ODATA_BUSLOCK2).
*--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_FKK_LOCK_ODATA_BUSLOCK INDEX 1 INTO DATA(WA_FKK_LOCK_ODATA_BUSLOCK2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKK_LOCK_ODATA_BUSLOCK>-CADOCUMENTNUMBER = 1.
<FKK_LOCK_ODATA_BUSLOCK>-CAREPETITIONITEMNUMBER = 1.
<FKK_LOCK_ODATA_BUSLOCK>-CABPITEMNUMBER = 1.
<FKK_LOCK_ODATA_BUSLOCK>-CASUBITEMNUMBER = 1.
<FKK_LOCK_ODATA_BUSLOCK>-CABUSINESSLOCKOBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKK_LOCK_ODATA_BUSLOCK-CABUSINESSLOCKVALIDFROM, sy-vline,
  WA_FKK_LOCK_ODATA_BUSLOCK-CABUSINESSLOCKVALIDTO, sy-vline,
  WA_FKK_LOCK_ODATA_BUSLOCK-CABUSINESSLOCKDURATION, sy-vline,
  WA_FKK_LOCK_ODATA_BUSLOCK-CONTRACTACCOUNT, sy-vline,
  WA_FKK_LOCK_ODATA_BUSLOCK-BUSINESSPARTNER, sy-vline,
  WA_FKK_LOCK_ODATA_BUSLOCK-CACONTRACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKK_LOCK_ODATA_BUSLOCK 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_FKK_LOCK_ODATA_BUSLOCK 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_FKK_LOCK_ODATA_BUSLOCK INTO WA_FKK_LOCK_ODATA_BUSLOCK.


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

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

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

*Conversion exit ALPHA, internal->external for field CACONTRACT
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKK_LOCK_ODATA_BUSLOCK-CACONTRACT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKK_LOCK_ODATA_BUSLOCK-CACONTRACT.
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_FKK_LOCK_ODATA_BUSLOCK_STR, 
CADOCUMENTNUMBER TYPE STRING,
CAREPETITIONITEMNUMBER TYPE STRING,
CABPITEMNUMBER TYPE STRING,
CASUBITEMNUMBER TYPE STRING,
CABUSINESSLOCKOBJECT TYPE STRING,
CABUSINESSLOCKVALIDFROM TYPE STRING,
CABUSINESSLOCKVALIDTO TYPE STRING,
CABUSINESSLOCKDURATION TYPE STRING,
CONTRACTACCOUNT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
CACONTRACT TYPE STRING,
TEXT TYPE STRING,
CABUSINESSLOCKOBJECTCATEGORY TYPE STRING,
CABUSINESSLOCKREASON TYPE STRING,
CONTRACTACCOUNTCATEGORY TYPE STRING,
LASTCHANGEDATE TYPE STRING,
CABUSINESSLOCKSEQUENCENUMBER TYPE STRING,
COMPANYCODE TYPE STRING,
DIVISION TYPE STRING,
CAMAINTRANSACTION TYPE STRING,
CAPAYMENTMETHOD TYPE STRING,
CAPAYMENTMETHODFORINCGPAYMENT TYPE STRING,
CADUNNINGPROCEDURE TYPE STRING,
CADUNNINGPROCEDUREFORCONTRACCT TYPE STRING,
CACOLLECTIONSTRATEGY TYPE STRING,
AMOUNTINDISPLAYCURRENCY TYPE STRING,
CAAMOUNTINTRANSACTIONCURRENCY TYPE STRING,
TRANSACTIONCURRENCY TYPE STRING,
CANUMBEROFBUSINESSLOCKS TYPE STRING,
CATIMEINTERVALTYPE TYPE STRING,
CATIMEINTERVALSTARTDATE TYPE STRING,
CATIMEINTERVALENDDATE TYPE STRING,
PERIOD TYPE STRING,
CABUSINESSPROCESS TYPE STRING,
APPSTATE TYPE STRING,
CASEMANTICCREATIONDATECODE TYPE STRING,
CABUSINESSLOCKVALIDFROMDTECODE TYPE STRING,
CABUSINESSLOCKVALIDTODTECODE TYPE STRING,
DISPLAYCURRENCY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKK_LOCK_ODATA_BUSLOCK_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_FKK_LOCK_ODATA_BUSLOCK_STR-CADOCUMENTNUMBER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CAREPETITIONITEMNUMBER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABPITEMNUMBER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CASUBITEMNUMBER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKOBJECT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKVALIDFROM sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKVALIDTO sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKDURATION sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CONTRACTACCOUNT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-BUSINESSPARTNER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CACONTRACT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-TEXT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKOBJECTCATEGORY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKREASON sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CONTRACTACCOUNTCATEGORY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-LASTCHANGEDATE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKSEQUENCENUMBER sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-COMPANYCODE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-DIVISION sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CAMAINTRANSACTION sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CAPAYMENTMETHOD sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CAPAYMENTMETHODFORINCGPAYMENT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CADUNNINGPROCEDURE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CADUNNINGPROCEDUREFORCONTRACCT sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CACOLLECTIONSTRATEGY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-AMOUNTINDISPLAYCURRENCY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CAAMOUNTINTRANSACTIONCURRENCY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-TRANSACTIONCURRENCY sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CANUMBEROFBUSINESSLOCKS sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CATIMEINTERVALTYPE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CATIMEINTERVALSTARTDATE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CATIMEINTERVALENDDATE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-PERIOD sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSPROCESS sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-APPSTATE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CASEMANTICCREATIONDATECODE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKVALIDFROMDTECODE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-CABUSINESSLOCKVALIDTODTECODE sy-vline 
WA_FKK_LOCK_ODATA_BUSLOCK_STR-DISPLAYCURRENCY sy-vline      INTO ld_text SEPARATED BY SPACE.

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