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

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SCWM/DOC_SEARCH_LIME_ALL
*  INTO TABLE @DATA(IT_/SCWM/DOC_SEARCH_LIME_ALL2).
*--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/DOC_SEARCH_LIME_ALL INDEX 1 INTO DATA(WA_/SCWM/DOC_SEARCH_LIME_ALL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SCWM/DOC_SEARCH_LIME_ALL>-DOCNO = 1.
</SCWM/DOC_SEARCH_LIME_ALL>-ITEMNO = 1.
</SCWM/DOC_SEARCH_LIME_ALL>-GUID_COLL_GROUP = 1.
</SCWM/DOC_SEARCH_LIME_ALL>-GUID_DISPATCH = 1.
</SCWM/DOC_SEARCH_LIME_ALL>-DISPATCH_TIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SCWM/DOC_SEARCH_LIME_ALL-EXT_DOC, sy-vline,
  WA_/SCWM/DOC_SEARCH_LIME_ALL-GUID_COLL, sy-vline,
  WA_/SCWM/DOC_SEARCH_LIME_ALL-GUID_DISP_S, sy-vline,
  WA_/SCWM/DOC_SEARCH_LIME_ALL-DISPATCH_TIME_S, sy-vline,
  WA_/SCWM/DOC_SEARCH_LIME_ALL-REFDOCID_S, sy-vline,
  WA_/SCWM/DOC_SEARCH_LIME_ALL-GUID_HU, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SCWM/DOC_SEARCH_LIME_ALL 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/DOC_SEARCH_LIME_ALL 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/DOC_SEARCH_LIME_ALL INTO WA_/SCWM/DOC_SEARCH_LIME_ALL.


*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 ITEMNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DOC_SEARCH_LIME_ALL-ITEMNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DOC_SEARCH_LIME_ALL-ITEMNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MDLPD, internal->external for field MATID
CALL FUNCTION 'CONVERSION_EXIT_MDLPD_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DOC_SEARCH_LIME_ALL-MATID
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DOC_SEARCH_LIME_ALL-MATID.
WRITE:/ 'New Value:', ld_input.

*Conversion exit CUNIT, internal->external for field UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DOC_SEARCH_LIME_ALL-UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DOC_SEARCH_LIME_ALL-UNIT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field TANUM
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DOC_SEARCH_LIME_ALL-TANUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DOC_SEARCH_LIME_ALL-TANUM.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPH0, internal->external for field TAPOS
CALL FUNCTION 'CONVERSION_EXIT_ALPH0_OUTPUT'
  EXPORTING
    input =                      WA_/SCWM/DOC_SEARCH_LIME_ALL-TAPOS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SCWM/DOC_SEARCH_LIME_ALL-TAPOS.
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/DOC_SEARCH_LIME_ALL_STR, 
DOCNO TYPE STRING,
ITEMNO TYPE STRING,
GUID_COLL_GROUP TYPE STRING,
GUID_DISPATCH TYPE STRING,
DISPATCH_TIME TYPE STRING,
EXT_DOC TYPE STRING,
GUID_COLL TYPE STRING,
GUID_DISP_S TYPE STRING,
DISPATCH_TIME_S TYPE STRING,
REFDOCID_S TYPE STRING,
GUID_HU TYPE STRING,
DIRECTION TYPE STRING,
ACTION_TYPE TYPE STRING,
MATID TYPE STRING,
NOCALC TYPE STRING,
QUAN TYPE STRING,
UNIT TYPE STRING,
GMCAT TYPE STRING,
REF_DOC_ID TYPE STRING,
LGNUM TYPE STRING,
TANUM TYPE STRING,
TAPOS TYPE STRING,
DOCCAT_EX TYPE STRING,
DOCID TYPE STRING,
ITEMID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SCWM/DOC_SEARCH_LIME_ALL_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/DOC_SEARCH_LIME_ALL_STR-DOCNO sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-ITEMNO sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GUID_COLL_GROUP sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GUID_DISPATCH sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-DISPATCH_TIME sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-EXT_DOC sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GUID_COLL sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GUID_DISP_S sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-DISPATCH_TIME_S sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-REFDOCID_S sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GUID_HU sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-DIRECTION sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-ACTION_TYPE sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-MATID sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-NOCALC sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-QUAN sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-UNIT sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-GMCAT sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-REF_DOC_ID sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-LGNUM sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-TANUM sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-TAPOS sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-DOCCAT_EX sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-DOCID sy-vline 
WA_/SCWM/DOC_SEARCH_LIME_ALL_STR-ITEMID sy-vline      INTO ld_text SEPARATED BY SPACE.

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