ABAP Select data from SAP table DTINF_ILM_MODELC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM DTINF_ILM_MODELC
*  INTO TABLE @DATA(IT_DTINF_ILM_MODELC2).
*--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_DTINF_ILM_MODELC INDEX 1 INTO DATA(WA_DTINF_ILM_MODELC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<DTINF_ILM_MODELC>-MANDT = 1.
<DTINF_ILM_MODELC>-GUID = 1.
<DTINF_ILM_MODELC>-ILM_OBJECT = 1.
<DTINF_ILM_MODELC>-ARCH_OBJECT = 1.
<DTINF_ILM_MODELC>-BOR_OBJECT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_DTINF_ILM_MODELC-DEST_OBJECT, sy-vline,
  WA_DTINF_ILM_MODELC-RESP_FROM, sy-vline,
  WA_DTINF_ILM_MODELC-RESP_TO, sy-vline,
  WA_DTINF_ILM_MODELC-TC_FROM, sy-vline,
  WA_DTINF_ILM_MODELC-TC_TO, sy-vline,
  WA_DTINF_ILM_MODELC-TABLE_FROM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_DTINF_ILM_MODELC 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_DTINF_ILM_MODELC 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_DTINF_ILM_MODELC INTO WA_DTINF_ILM_MODELC.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_DTINF_ILM_MODELC_STR, 
MANDT TYPE STRING,
GUID TYPE STRING,
ILM_OBJECT TYPE STRING,
ARCH_OBJECT TYPE STRING,
BOR_OBJECT TYPE STRING,
DEST_OBJECT TYPE STRING,
RESP_FROM TYPE STRING,
RESP_TO TYPE STRING,
TC_FROM TYPE STRING,
TC_TO TYPE STRING,
TABLE_FROM TYPE STRING,
TABLE_TO TYPE STRING,
FIELD_FROM TYPE STRING,
FIELD_TO TYPE STRING,
DELETED TYPE STRING,
USING_SAP_BADI TYPE STRING,
TIME_STAMP TYPE STRING,
SOURCE TYPE STRING,
ENTRY_FIELD TYPE STRING,
LINK_TYPE TYPE STRING,
LINK_VALUE TYPE STRING,
VERSION TYPE STRING,
ACTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_DTINF_ILM_MODELC_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_DTINF_ILM_MODELC_STR-MANDT sy-vline 
WA_DTINF_ILM_MODELC_STR-GUID sy-vline 
WA_DTINF_ILM_MODELC_STR-ILM_OBJECT sy-vline 
WA_DTINF_ILM_MODELC_STR-ARCH_OBJECT sy-vline 
WA_DTINF_ILM_MODELC_STR-BOR_OBJECT sy-vline 
WA_DTINF_ILM_MODELC_STR-DEST_OBJECT sy-vline 
WA_DTINF_ILM_MODELC_STR-RESP_FROM sy-vline 
WA_DTINF_ILM_MODELC_STR-RESP_TO sy-vline 
WA_DTINF_ILM_MODELC_STR-TC_FROM sy-vline 
WA_DTINF_ILM_MODELC_STR-TC_TO sy-vline 
WA_DTINF_ILM_MODELC_STR-TABLE_FROM sy-vline 
WA_DTINF_ILM_MODELC_STR-TABLE_TO sy-vline 
WA_DTINF_ILM_MODELC_STR-FIELD_FROM sy-vline 
WA_DTINF_ILM_MODELC_STR-FIELD_TO sy-vline 
WA_DTINF_ILM_MODELC_STR-DELETED sy-vline 
WA_DTINF_ILM_MODELC_STR-USING_SAP_BADI sy-vline 
WA_DTINF_ILM_MODELC_STR-TIME_STAMP sy-vline 
WA_DTINF_ILM_MODELC_STR-SOURCE sy-vline 
WA_DTINF_ILM_MODELC_STR-ENTRY_FIELD sy-vline 
WA_DTINF_ILM_MODELC_STR-LINK_TYPE sy-vline 
WA_DTINF_ILM_MODELC_STR-LINK_VALUE sy-vline 
WA_DTINF_ILM_MODELC_STR-VERSION sy-vline 
WA_DTINF_ILM_MODELC_STR-ACTIVE sy-vline      INTO ld_text SEPARATED BY SPACE.

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