ABAP Select data from SAP table /SAPSRM/S_CLL_HISTORY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_CLL_HISTORY
*  INTO TABLE @DATA(IT_/SAPSRM/S_CLL_HISTORY2).
*--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_/SAPSRM/S_CLL_HISTORY INDEX 1 INTO DATA(WA_/SAPSRM/S_CLL_HISTORY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_CLL_HISTORY>-DISPLAY_LEVEL = 1.
</SAPSRM/S_CLL_HISTORY>-HEADER_GUID = 1.
</SAPSRM/S_CLL_HISTORY>-ITEM_GUID = 1.
</SAPSRM/S_CLL_HISTORY>-OBJTYPE = 1.
</SAPSRM/S_CLL_HISTORY>-SUBTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSRM/S_CLL_HISTORY-TYPE_DESCR, sy-vline,
  WA_/SAPSRM/S_CLL_HISTORY-OBJECT_ID, sy-vline,
  WA_/SAPSRM/S_CLL_HISTORY-NUMBER_INT, sy-vline,
  WA_/SAPSRM/S_CLL_HISTORY-DESCRIPTION, sy-vline,
  WA_/SAPSRM/S_CLL_HISTORY-CREATED_AT_DATE, sy-vline,
  WA_/SAPSRM/S_CLL_HISTORY-DCIND, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_CLL_HISTORY 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_/SAPSRM/S_CLL_HISTORY 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_/SAPSRM/S_CLL_HISTORY INTO WA_/SAPSRM/S_CLL_HISTORY.


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

*Conversion exit GJAHR, internal->external for field REF_DOC_YR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CLL_HISTORY-REF_DOC_YR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CLL_HISTORY-REF_DOC_YR.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field BE_LOGSYS
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CLL_HISTORY-BE_LOGSYS
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CLL_HISTORY-BE_LOGSYS.
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_/SAPSRM/S_CLL_HISTORY_STR, 
DISPLAY_LEVEL TYPE STRING,
HEADER_GUID TYPE STRING,
ITEM_GUID TYPE STRING,
OBJTYPE TYPE STRING,
SUBTYPE TYPE STRING,
TYPE_DESCR TYPE STRING,
OBJECT_ID TYPE STRING,
NUMBER_INT TYPE STRING,
DESCRIPTION TYPE STRING,
CREATED_AT_DATE TYPE STRING,
DCIND TYPE STRING,
QUANTITY TYPE STRING,
UNIT TYPE STRING,
VALUE TYPE STRING,
CURRENCY TYPE STRING,
STATUS TYPE STRING,
STATUS_DESCR TYPE STRING,
STATUS_DESCR_LONG TYPE STRING,
DSPL_LN_OBJ_ID TYPE STRING,
DSPL_LN_OBJ_ITEM TYPE STRING,
DSPL_BE_OBJ_ID TYPE STRING,
DSPL_BE_OBJ_ITEM TYPE STRING,
REF_DOC_YR TYPE STRING,
REF_DOC TYPE STRING,
REF_DOC_IT TYPE STRING,
BE_LOGSYS TYPE STRING,
DOC_DATE TYPE STRING,
DUMMY_EEW_PDHISS TYPE STRING,
PS_LONGNUM TYPE STRING,
DUMMY_EEW_PDHISC TYPE STRING,
OBJNO_ITMNO TYPE STRING,
GUID TYPE STRING,
P_GUID TYPE STRING,
CURRENCY_TEXT TYPE STRING,
OBJNO_ITM_BCKEND TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_CLL_HISTORY_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_/SAPSRM/S_CLL_HISTORY_STR-DISPLAY_LEVEL sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-HEADER_GUID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-ITEM_GUID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-OBJTYPE sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-SUBTYPE sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-TYPE_DESCR sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-OBJECT_ID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-NUMBER_INT sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DESCRIPTION sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-CREATED_AT_DATE sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DCIND sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-QUANTITY sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-UNIT sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-VALUE sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-CURRENCY sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-STATUS sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-STATUS_DESCR sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-STATUS_DESCR_LONG sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DSPL_LN_OBJ_ID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DSPL_LN_OBJ_ITEM sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DSPL_BE_OBJ_ID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DSPL_BE_OBJ_ITEM sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-REF_DOC_YR sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-REF_DOC sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-REF_DOC_IT sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-BE_LOGSYS sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DOC_DATE sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DUMMY_EEW_PDHISS sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-PS_LONGNUM sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-DUMMY_EEW_PDHISC sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-OBJNO_ITMNO sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-GUID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-P_GUID sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-CURRENCY_TEXT sy-vline 
WA_/SAPSRM/S_CLL_HISTORY_STR-OBJNO_ITM_BCKEND sy-vline      INTO ld_text SEPARATED BY SPACE.

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