ABAP Select data from SAP table /SAPSRM/S_CLL_ASL_H_IDENT 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_ASL_H_IDENT 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_ASL_H_IDENT. 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_ASL_H_IDENT 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_ASL_H_IDENT TYPE STANDARD TABLE OF /SAPSRM/S_CLL_ASL_H_IDENT,
      WA_/SAPSRM/S_CLL_ASL_H_IDENT TYPE /SAPSRM/S_CLL_ASL_H_IDENT,
      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_ASL_H_IDENT> TYPE /SAPSRM/S_CLL_ASL_H_IDENT.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /SAPSRM/S_CLL_ASL_H_IDENT
*  INTO TABLE @DATA(IT_/SAPSRM/S_CLL_ASL_H_IDENT2).
*--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_ASL_H_IDENT INDEX 1 INTO DATA(WA_/SAPSRM/S_CLL_ASL_H_IDENT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
</SAPSRM/S_CLL_ASL_H_IDENT>-GUID = 1.
</SAPSRM/S_CLL_ASL_H_IDENT>-DESCRIPTION = 1.
</SAPSRM/S_CLL_ASL_H_IDENT>-CATEGORY = 1.
</SAPSRM/S_CLL_ASL_H_IDENT>-CATEGORY_ID = 1.
</SAPSRM/S_CLL_ASL_H_IDENT>-PRODUCT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/SAPSRM/S_CLL_ASL_H_IDENT-ORDERED_PROD, sy-vline,
  WA_/SAPSRM/S_CLL_ASL_H_IDENT-SK_COUNTRY, sy-vline,
  WA_/SAPSRM/S_CLL_ASL_H_IDENT-SK_SCENARIO1, sy-vline,
  WA_/SAPSRM/S_CLL_ASL_H_IDENT-SK_SCENARIO2, sy-vline,
  WA_/SAPSRM/S_CLL_ASL_H_IDENT-SK_SCENARIO3, sy-vline,
  WA_/SAPSRM/S_CLL_ASL_H_IDENT-SK_SCENARIO4, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/SAPSRM/S_CLL_ASL_H_IDENT 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_ASL_H_IDENT 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_ASL_H_IDENT INTO WA_/SAPSRM/S_CLL_ASL_H_IDENT.


*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 BASE_UNIT
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CLL_ASL_H_IDENT-BASE_UNIT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CLL_ASL_H_IDENT-BASE_UNIT.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit TSTPS, internal->external for field CHANGED_AT
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_/SAPSRM/S_CLL_ASL_H_IDENT-CHANGED_AT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/SAPSRM/S_CLL_ASL_H_IDENT-CHANGED_AT.
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_ASL_H_IDENT_STR, 
GUID TYPE STRING,
DESCRIPTION TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_ID TYPE STRING,
PRODUCT TYPE STRING,
ORDERED_PROD TYPE STRING,
SK_COUNTRY TYPE STRING,
SK_SCENARIO1 TYPE STRING,
SK_SCENARIO2 TYPE STRING,
SK_SCENARIO3 TYPE STRING,
SK_SCENARIO4 TYPE STRING,
SK_SCENARIO5 TYPE STRING,
DUMMY_EEW_PDHSS_AVL TYPE STRING,
DUMMY_EEW_PDHSC_AVL TYPE STRING,
VPER_START TYPE STRING,
VPER_END TYPE STRING,
BASE_UNIT TYPE STRING,
COPY_OF_GUID TYPE STRING,
PROCESS_TYPE TYPE STRING,
OBJECT_ID TYPE STRING,
SUBTYPE TYPE STRING,
DUMMY_EEW_PD_HD_SWD_AVL TYPE STRING,
DUMMY_EEW_PD_HD_CSD_AVL TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
PRODUCT_TEXT TYPE STRING,
CATEGORY_TEXT TYPE STRING,
TRANS_MODE TYPE STRING,
STATUS_DESCRIPTION TYPE STRING,
ORGUNIT_TEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/SAPSRM/S_CLL_ASL_H_IDENT_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_ASL_H_IDENT_STR-GUID sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-DESCRIPTION sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CATEGORY sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CATEGORY_ID sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-PRODUCT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-ORDERED_PROD sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_COUNTRY sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_SCENARIO1 sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_SCENARIO2 sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_SCENARIO3 sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_SCENARIO4 sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SK_SCENARIO5 sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-DUMMY_EEW_PDHSS_AVL sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-DUMMY_EEW_PDHSC_AVL sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-VPER_START sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-VPER_END sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-BASE_UNIT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-COPY_OF_GUID sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-PROCESS_TYPE sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-OBJECT_ID sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-SUBTYPE sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-DUMMY_EEW_PD_HD_SWD_AVL sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-DUMMY_EEW_PD_HD_CSD_AVL sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CREATED_BY sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CREATED_AT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CHANGED_BY sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CHANGED_AT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-PRODUCT_TEXT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-CATEGORY_TEXT sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-TRANS_MODE sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-STATUS_DESCRIPTION sy-vline 
WA_/SAPSRM/S_CLL_ASL_H_IDENT_STR-ORGUNIT_TEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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