ABAP Select data from SAP table FKLOCK_LOCKSETTYPE into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FKLOCK_LOCKSETTYPE
*  INTO TABLE @DATA(IT_FKLOCK_LOCKSETTYPE2).
*--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_FKLOCK_LOCKSETTYPE INDEX 1 INTO DATA(WA_FKLOCK_LOCKSETTYPE2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FKLOCK_LOCKSETTYPE>-PUBLIC = 1.
<FKLOCK_LOCKSETTYPE>-SUB_REPID = 1.
<FKLOCK_LOCKSETTYPE>-SUB_DYNNR = 1.
<FKLOCK_LOCKSETTYPE>-CTRL = 1.
<FKLOCK_LOCKSETTYPE>-MARKLOCK = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FKLOCK_LOCKSETTYPE-UPD_ONLINE, sy-vline,
  WA_FKLOCK_LOCKSETTYPE-WMODE, sy-vline,
  WA_FKLOCK_LOCKSETTYPE-DIALOG_OPTIONS, sy-vline,
  WA_FKLOCK_LOCKSETTYPE-FSTAT_LOOBJ1, sy-vline,
  WA_FKLOCK_LOCKSETTYPE-FSTAT_DISP_LOOBJ1, sy-vline,
  WA_FKLOCK_LOCKSETTYPE-FSTAT_PROID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FKLOCK_LOCKSETTYPE 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_FKLOCK_LOCKSETTYPE 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_FKLOCK_LOCKSETTYPE INTO WA_FKLOCK_LOCKSETTYPE.


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

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

*Conversion exit ALPHA, internal->external for field SEL_GPART
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_FKLOCK_LOCKSETTYPE-SEL_GPART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_FKLOCK_LOCKSETTYPE-SEL_GPART.
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_FKLOCK_LOCKSETTYPE_STR, 
PUBLIC TYPE STRING,
SUB_REPID TYPE STRING,
SUB_DYNNR TYPE STRING,
CTRL TYPE STRING,
MARKLOCK TYPE STRING,
UPD_ONLINE TYPE STRING,
WMODE TYPE STRING,
DIALOG_OPTIONS TYPE STRING,
FSTAT_LOOBJ1 TYPE STRING,
FSTAT_DISP_LOOBJ1 TYPE STRING,
FSTAT_PROID TYPE STRING,
FSTAT_LOTYP TYPE STRING,
FSTAT_LOCKR TYPE STRING,
FSTAT_FDATE TYPE STRING,
FSTAT_TDATE TYPE STRING,
FSTAT_UNAME TYPE STRING,
FSTAT_ADATUM TYPE STRING,
FSTAT_AZEIT TYPE STRING,
FSTAT_COND_LOOBJ TYPE STRING,
FSTAT_ACTKEY TYPE STRING,
FSTAT_PTEXT TYPE STRING,
FSTAT_LOTXT TYPE STRING,
FSTAT_LTEXT TYPE STRING,
FSTAT_ACTKEYTEXT TYPE STRING,
FSTAT_LOCKT TYPE STRING,
X_SAVE_ACTIVE TYPE STRING,
POPUP_TITLE TYPE STRING,
X_NO_LOOBJ1_DATA TYPE STRING,
X_ENQUEUE_SET TYPE STRING,
LOOBJ1 TYPE STRING,
PROID TYPE STRING,
LOTYP TYPE STRING,
LOCKR TYPE STRING,
FDATE TYPE STRING,
TDATE TYPE STRING,
GPART TYPE STRING,
VKONT TYPE STRING,
UNIQUE_EXPANSION TYPE STRING,
UNIQUE_EXP_GPART TYPE STRING,
UNIQUE_EXP_VKONT TYPE STRING,
SEL_GPART TYPE STRING,
LOCKSET_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FKLOCK_LOCKSETTYPE_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_FKLOCK_LOCKSETTYPE_STR-PUBLIC sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-SUB_REPID sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-SUB_DYNNR sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-CTRL sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-MARKLOCK sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-UPD_ONLINE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-WMODE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-DIALOG_OPTIONS sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LOOBJ1 sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_DISP_LOOBJ1 sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_PROID sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LOTYP sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LOCKR sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_FDATE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_TDATE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_UNAME sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_ADATUM sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_AZEIT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_COND_LOOBJ sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_ACTKEY sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_PTEXT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LOTXT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LTEXT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_ACTKEYTEXT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FSTAT_LOCKT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-X_SAVE_ACTIVE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-POPUP_TITLE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-X_NO_LOOBJ1_DATA sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-X_ENQUEUE_SET sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-LOOBJ1 sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-PROID sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-LOTYP sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-LOCKR sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-FDATE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-TDATE sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-GPART sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-VKONT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-UNIQUE_EXPANSION sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-UNIQUE_EXP_GPART sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-UNIQUE_EXP_VKONT sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-SEL_GPART sy-vline 
WA_FKLOCK_LOCKSETTYPE_STR-LOCKSET_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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