ABAP Select data from SAP table BSS_CC_CASE_QUERY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BSS_CC_CASE_QUERY
*  INTO TABLE @DATA(IT_BSS_CC_CASE_QUERY2).
*--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_BSS_CC_CASE_QUERY INDEX 1 INTO DATA(WA_BSS_CC_CASE_QUERY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BSS_CC_CASE_QUERY>-CASE_NUMBER = 1.
<BSS_CC_CASE_QUERY>-CASE_TYPE = 1.
<BSS_CC_CASE_QUERY>-ACTIVITY = 1.
<BSS_CC_CASE_QUERY>-APPLICATION = 1.
<BSS_CC_CASE_QUERY>-SOURCE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BSS_CC_CASE_QUERY-ORIGINATOR, sy-vline,
  WA_BSS_CC_CASE_QUERY-ADMINISTRATOR, sy-vline,
  WA_BSS_CC_CASE_QUERY-NOTE, sy-vline,
  WA_BSS_CC_CASE_QUERY-BUFFERED_DATA, sy-vline,
  WA_BSS_CC_CASE_QUERY-PCD_OBJECTCLAS, sy-vline,
  WA_BSS_CC_CASE_QUERY-PCD_OBJECTID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BSS_CC_CASE_QUERY 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_BSS_CC_CASE_QUERY 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_BSS_CC_CASE_QUERY INTO WA_BSS_CC_CASE_QUERY.


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

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

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

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

*Conversion exit TSTPS, internal->external for field CREATE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BSS_CC_CASE_QUERY-CREATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BSS_CC_CASE_QUERY-CREATE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field UPDATE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_BSS_CC_CASE_QUERY-UPDATE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BSS_CC_CASE_QUERY-UPDATE_TIME.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field USMD_CREQUEST
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BSS_CC_CASE_QUERY-USMD_CREQUEST
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BSS_CC_CASE_QUERY-USMD_CREQUEST.
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_BSS_CC_CASE_QUERY_STR, 
CASE_NUMBER TYPE STRING,
CASE_TYPE TYPE STRING,
ACTIVITY TYPE STRING,
APPLICATION TYPE STRING,
SOURCE TYPE STRING,
ORIGINATOR TYPE STRING,
ADMINISTRATOR TYPE STRING,
NOTE TYPE STRING,
BUFFERED_DATA TYPE STRING,
PCD_OBJECTCLAS TYPE STRING,
PCD_OBJECTID TYPE STRING,
PCD_CHANGENR TYPE STRING,
PRIORITY TYPE STRING,
ERROR_LOG TYPE STRING,
STATUS TYPE STRING,
DESCRIPTION TYPE STRING,
CREATE_TIME TYPE STRING,
UPDATE_TIME TYPE STRING,
RECORD_DESCRIPTION TYPE STRING,
INTENT TYPE STRING,
CLEAR_CASE_GUID TYPE STRING,
OBJECT_GUID TYPE STRING,
OBJECT_CLASS TYPE STRING,
OBJECT_APPL_KEY TYPE STRING,
OBJ_DESCRIPTION TYPE STRING,
PROBABILITY TYPE STRING,
IS_SOURCE TYPE STRING,
IS_OBJ_DELETED TYPE STRING,
IS_PROCESSED TYPE STRING,
EXTERNAL_SOURCE TYPE STRING,
USMD_CREQUEST TYPE STRING,
CREATED_ON TYPE STRING,
CHANGED_ON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BSS_CC_CASE_QUERY_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_BSS_CC_CASE_QUERY_STR-CASE_NUMBER sy-vline 
WA_BSS_CC_CASE_QUERY_STR-CASE_TYPE sy-vline 
WA_BSS_CC_CASE_QUERY_STR-ACTIVITY sy-vline 
WA_BSS_CC_CASE_QUERY_STR-APPLICATION sy-vline 
WA_BSS_CC_CASE_QUERY_STR-SOURCE sy-vline 
WA_BSS_CC_CASE_QUERY_STR-ORIGINATOR sy-vline 
WA_BSS_CC_CASE_QUERY_STR-ADMINISTRATOR sy-vline 
WA_BSS_CC_CASE_QUERY_STR-NOTE sy-vline 
WA_BSS_CC_CASE_QUERY_STR-BUFFERED_DATA sy-vline 
WA_BSS_CC_CASE_QUERY_STR-PCD_OBJECTCLAS sy-vline 
WA_BSS_CC_CASE_QUERY_STR-PCD_OBJECTID sy-vline 
WA_BSS_CC_CASE_QUERY_STR-PCD_CHANGENR sy-vline 
WA_BSS_CC_CASE_QUERY_STR-PRIORITY sy-vline 
WA_BSS_CC_CASE_QUERY_STR-ERROR_LOG sy-vline 
WA_BSS_CC_CASE_QUERY_STR-STATUS sy-vline 
WA_BSS_CC_CASE_QUERY_STR-DESCRIPTION sy-vline 
WA_BSS_CC_CASE_QUERY_STR-CREATE_TIME sy-vline 
WA_BSS_CC_CASE_QUERY_STR-UPDATE_TIME sy-vline 
WA_BSS_CC_CASE_QUERY_STR-RECORD_DESCRIPTION sy-vline 
WA_BSS_CC_CASE_QUERY_STR-INTENT sy-vline 
WA_BSS_CC_CASE_QUERY_STR-CLEAR_CASE_GUID sy-vline 
WA_BSS_CC_CASE_QUERY_STR-OBJECT_GUID sy-vline 
WA_BSS_CC_CASE_QUERY_STR-OBJECT_CLASS sy-vline 
WA_BSS_CC_CASE_QUERY_STR-OBJECT_APPL_KEY sy-vline 
WA_BSS_CC_CASE_QUERY_STR-OBJ_DESCRIPTION sy-vline 
WA_BSS_CC_CASE_QUERY_STR-PROBABILITY sy-vline 
WA_BSS_CC_CASE_QUERY_STR-IS_SOURCE sy-vline 
WA_BSS_CC_CASE_QUERY_STR-IS_OBJ_DELETED sy-vline 
WA_BSS_CC_CASE_QUERY_STR-IS_PROCESSED sy-vline 
WA_BSS_CC_CASE_QUERY_STR-EXTERNAL_SOURCE sy-vline 
WA_BSS_CC_CASE_QUERY_STR-USMD_CREQUEST sy-vline 
WA_BSS_CC_CASE_QUERY_STR-CREATED_ON sy-vline 
WA_BSS_CC_CASE_QUERY_STR-CHANGED_ON sy-vline      INTO ld_text SEPARATED BY SPACE.

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