ABAP Select data from SAP table /SCWM/S_PACKSPEC_SEARCH_HELP into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /SCWM/S_PACKSPEC_SEARCH_HELP 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 /SCWM/S_PACKSPEC_SEARCH_HELP. 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 /SCWM/S_PACKSPEC_SEARCH_HELP 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_/SCWM/S_PACKSPEC_SEARCH_HELP TYPE STANDARD TABLE OF /SCWM/S_PACKSPEC_SEARCH_HELP,
      WA_/SCWM/S_PACKSPEC_SEARCH_HELP TYPE /SCWM/S_PACKSPEC_SEARCH_HELP,
      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: </SCWM/S_PACKSPEC_SEARCH_HELP> TYPE /SCWM/S_PACKSPEC_SEARCH_HELP.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /SCWM/S_PACKSPEC_SEARCH_HELP
  INTO TABLE IT_/SCWM/S_PACKSPEC_SEARCH_HELP.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/S_PACKSPEC_SEARCH_HELP
*  INTO TABLE @DATA(IT_/SCWM/S_PACKSPEC_SEARCH_HELP2).
*--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_/SCWM/S_PACKSPEC_SEARCH_HELP INDEX 1 INTO DATA(WA_/SCWM/S_PACKSPEC_SEARCH_HELP2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/SCWM/S_PACKSPEC_SEARCH_HELP ASSIGNING </SCWM/S_PACKSPEC_SEARCH_HELP>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/S_PACKSPEC_SEARCH_HELP>-SEARCH = 1.
</SCWM/S_PACKSPEC_SEARCH_HELP>-SELNAME = 1.
</SCWM/S_PACKSPEC_SEARCH_HELP>-HELP_INFOS = 1.
</SCWM/S_PACKSPEC_SEARCH_HELP>-CALL = 1.
</SCWM/S_PACKSPEC_SEARCH_HELP>-OBJECT = 1.

ENDLOOP.

LOOP AT IT_/SCWM/S_PACKSPEC_SEARCH_HELP INTO WA_/SCWM/S_PACKSPEC_SEARCH_HELP.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/S_PACKSPEC_SEARCH_HELP-PROGRAM, sy-vline,
  WA_/SCWM/S_PACKSPEC_SEARCH_HELP-DYNPRO, sy-vline,
  WA_/SCWM/S_PACKSPEC_SEARCH_HELP-TABNAME, sy-vline,
  WA_/SCWM/S_PACKSPEC_SEARCH_HELP-FIELDNAME, sy-vline,
  WA_/SCWM/S_PACKSPEC_SEARCH_HELP-FIELDTYPE, sy-vline,
  WA_/SCWM/S_PACKSPEC_SEARCH_HELP-KEYWORD, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/S_PACKSPEC_SEARCH_HELP 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_/SCWM/S_PACKSPEC_SEARCH_HELP 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_/SCWM/S_PACKSPEC_SEARCH_HELP INTO WA_/SCWM/S_PACKSPEC_SEARCH_HELP.


*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 DTYPE, internal->external for field FIELDTYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PACKSPEC_SEARCH_HELP-FIELDTYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PACKSPEC_SEARCH_HELP-FIELDTYPE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field SPRAS
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/S_PACKSPEC_SEARCH_HELP-SPRAS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/S_PACKSPEC_SEARCH_HELP-SPRAS.
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_/SCWM/S_PACKSPEC_SEARCH_HELP_STR, 
SEARCH TYPE STRING,
SELNAME TYPE STRING,
HELP_INFOS TYPE STRING,
CALL TYPE STRING,
OBJECT TYPE STRING,
PROGRAM TYPE STRING,
DYNPRO TYPE STRING,
TABNAME TYPE STRING,
FIELDNAME TYPE STRING,
FIELDTYPE TYPE STRING,
KEYWORD TYPE STRING,
FIELDLNG TYPE STRING,
FLDVALUE TYPE STRING,
MCOBJ TYPE STRING,
SPRAS TYPE STRING,
MENUFUNCT TYPE STRING,
MESSAGEID TYPE STRING,
MESSAGENR TYPE STRING,
MESSAGE TYPE STRING,
TITLE TYPE STRING,
DYNPROFLD TYPE STRING,
DYNPROFLAG TYPE STRING,
CHECKTABLE TYPE STRING,
CHECKFIELD TYPE STRING,
VALEXIST TYPE STRING,
TCODE TYPE STRING,
PFKEY TYPE STRING,
DOCUKEY TYPE STRING,
REPORT TYPE STRING,
DOCUID TYPE STRING,
DOCUOBJECT TYPE STRING,
HEADERTEXT TYPE STRING,
F1SYSHEL TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
SHOW TYPE STRING,
POV TYPE STRING,
CUROW TYPE STRING,
CUCOL TYPE STRING,
SY_DYN TYPE STRING,
DYNPPROG TYPE STRING,
STEPL TYPE STRING,
SELECTART TYPE STRING,
MES_PROGRAM_NAME TYPE STRING,
MES_INCLUDE_NAME TYPE STRING,
MES_LINE_NUMBER TYPE STRING,
MES_EXCEPTION TYPE STRING,
MES_IS_T100 TYPE STRING,
MES_FROM_KERNEL TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/S_PACKSPEC_SEARCH_HELP_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_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SEARCH sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SELNAME sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-HELP_INFOS sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-CALL sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-OBJECT sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-PROGRAM sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DYNPRO sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-TABNAME sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-FIELDNAME sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-FIELDTYPE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-KEYWORD sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-FIELDLNG sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-FLDVALUE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MCOBJ sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SPRAS sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MENUFUNCT sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MESSAGEID sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MESSAGENR sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MESSAGE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-TITLE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DYNPROFLD sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DYNPROFLAG sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-CHECKTABLE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-CHECKFIELD sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-VALEXIST sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-TCODE sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-PFKEY sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DOCUKEY sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-REPORT sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DOCUID sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DOCUOBJECT sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-HEADERTEXT sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-F1SYSHEL sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MSGV1 sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MSGV2 sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MSGV3 sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MSGV4 sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SHOW sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-POV sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-CUROW sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-CUCOL sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SY_DYN sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-DYNPPROG sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-STEPL sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-SELECTART sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_PROGRAM_NAME sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_INCLUDE_NAME sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_LINE_NUMBER sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_EXCEPTION sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_IS_T100 sy-vline 
WA_/SCWM/S_PACKSPEC_SEARCH_HELP_STR-MES_FROM_KERNEL sy-vline      INTO ld_text SEPARATED BY SPACE.

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