ABAP Select data from SAP table SICL932_ALV into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP SICL932_ALV 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 SICL932_ALV. 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 SICL932_ALV 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_SICL932_ALV TYPE STANDARD TABLE OF SICL932_ALV,
      WA_SICL932_ALV TYPE SICL932_ALV,
      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: <SICL932_ALV> TYPE SICL932_ALV.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_SICL932_ALV.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM SICL932_ALV
  INTO TABLE IT_SICL932_ALV.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SICL932_ALV
*  INTO TABLE @DATA(IT_SICL932_ALV2).
*--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_SICL932_ALV INDEX 1 INTO DATA(WA_SICL932_ALV2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_SICL932_ALV ASSIGNING <SICL932_ALV>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SICL932_ALV>-MARKFIELD = 1.
<SICL932_ALV>-CLIENT = 1.
<SICL932_ALV>-IMPORT_STATUS = 1.
<SICL932_ALV>-APPLCLASS = 1.
<SICL932_ALV>-ACTION = 1.

ENDLOOP.

LOOP AT IT_SICL932_ALV INTO WA_SICL932_ALV.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SICL932_ALV-VERSION, sy-vline,
  WA_SICL932_ALV-CLASS_ID_IS, sy-vline,
  WA_SICL932_ALV-CLASS_ID, sy-vline,
  WA_SICL932_ALV-CLASS_ID_VS, sy-vline,
  WA_SICL932_ALV-N_ON_TRUE_ACT, sy-vline,
  WA_SICL932_ALV-N_ON_FALSE_ACT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SICL932_ALV 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_SICL932_ALV 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_SICL932_ALV INTO WA_SICL932_ALV.


*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 ISOLA, internal->external for field LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_SICL932_ALV-LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_SICL932_ALV-LANGU.
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_SICL932_ALV_STR, 
MARKFIELD TYPE STRING,
CLIENT TYPE STRING,
IMPORT_STATUS TYPE STRING,
APPLCLASS TYPE STRING,
ACTION TYPE STRING,
VERSION TYPE STRING,
CLASS_ID_IS TYPE STRING,
CLASS_ID TYPE STRING,
CLASS_ID_VS TYPE STRING,
N_ON_TRUE_ACT TYPE STRING,
N_ON_FALSE_ACT TYPE STRING,
CREATED_BY TYPE STRING,
CREATED_AT TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGED_AT TYPE STRING,
DELETED TYPE STRING,
TCONTEXT TYPE STRING,
SEQUENCE_NUMBER TYPE STRING,
LANGU TYPE STRING,
SHORT TYPE STRING,
OBJECTTYPE TYPE STRING,
EVENT TYPE STRING,
EXPRESSION TYPE STRING,
EXPRESSION_IS TYPE STRING,
SUBSUBACTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SICL932_ALV_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_SICL932_ALV_STR-MARKFIELD sy-vline 
WA_SICL932_ALV_STR-CLIENT sy-vline 
WA_SICL932_ALV_STR-IMPORT_STATUS sy-vline 
WA_SICL932_ALV_STR-APPLCLASS sy-vline 
WA_SICL932_ALV_STR-ACTION sy-vline 
WA_SICL932_ALV_STR-VERSION sy-vline 
WA_SICL932_ALV_STR-CLASS_ID_IS sy-vline 
WA_SICL932_ALV_STR-CLASS_ID sy-vline 
WA_SICL932_ALV_STR-CLASS_ID_VS sy-vline 
WA_SICL932_ALV_STR-N_ON_TRUE_ACT sy-vline 
WA_SICL932_ALV_STR-N_ON_FALSE_ACT sy-vline 
WA_SICL932_ALV_STR-CREATED_BY sy-vline 
WA_SICL932_ALV_STR-CREATED_AT sy-vline 
WA_SICL932_ALV_STR-CHANGED_BY sy-vline 
WA_SICL932_ALV_STR-CHANGED_AT sy-vline 
WA_SICL932_ALV_STR-DELETED sy-vline 
WA_SICL932_ALV_STR-TCONTEXT sy-vline 
WA_SICL932_ALV_STR-SEQUENCE_NUMBER sy-vline 
WA_SICL932_ALV_STR-LANGU sy-vline 
WA_SICL932_ALV_STR-SHORT sy-vline 
WA_SICL932_ALV_STR-OBJECTTYPE sy-vline 
WA_SICL932_ALV_STR-EVENT sy-vline 
WA_SICL932_ALV_STR-EXPRESSION sy-vline 
WA_SICL932_ALV_STR-EXPRESSION_IS sy-vline 
WA_SICL932_ALV_STR-SUBSUBACTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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