ABAP Select data from SAP table COD_S_TECHNICAL_OBJECT into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM COD_S_TECHNICAL_OBJECT
*  INTO TABLE @DATA(IT_COD_S_TECHNICAL_OBJECT2).
*--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_COD_S_TECHNICAL_OBJECT INDEX 1 INTO DATA(WA_COD_S_TECHNICAL_OBJECT2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<COD_S_TECHNICAL_OBJECT>-EQUNR = 1.
<COD_S_TECHNICAL_OBJECT>-BAUTL = 1.
<COD_S_TECHNICAL_OBJECT>-ILOAN = 1.
<COD_S_TECHNICAL_OBJECT>-SORTF = 1.
<COD_S_TECHNICAL_OBJECT>-SERNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_COD_S_TECHNICAL_OBJECT-MATNR, sy-vline,
  WA_COD_S_TECHNICAL_OBJECT-TPLNR, sy-vline,
  WA_COD_S_TECHNICAL_OBJECT-MATNR_LONG, sy-vline,
  WA_COD_S_TECHNICAL_OBJECT-BAUTL_LONG, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_COD_S_TECHNICAL_OBJECT 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_COD_S_TECHNICAL_OBJECT 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_COD_S_TECHNICAL_OBJECT INTO WA_COD_S_TECHNICAL_OBJECT.


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

*Conversion exit MATN5, internal->external for field BAUTL
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-BAUTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-BAUTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GERNR, internal->external for field SERNR
CALL FUNCTION 'CONVERSION_EXIT_GERNR_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-SERNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-SERNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN5, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN5_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TPLNR, internal->external for field TPLNR
CALL FUNCTION 'CONVERSION_EXIT_TPLNR_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-TPLNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-TPLNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field MATNR_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-MATNR_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-MATNR_LONG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit MATN1, internal->external for field BAUTL_LONG
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_COD_S_TECHNICAL_OBJECT-BAUTL_LONG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_COD_S_TECHNICAL_OBJECT-BAUTL_LONG.
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_COD_S_TECHNICAL_OBJECT_STR, 
EQUNR TYPE STRING,
BAUTL TYPE STRING,
ILOAN TYPE STRING,
SORTF TYPE STRING,
SERNR TYPE STRING,
MATNR TYPE STRING,
TPLNR TYPE STRING,
MATNR_LONG TYPE STRING,
BAUTL_LONG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_COD_S_TECHNICAL_OBJECT_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_COD_S_TECHNICAL_OBJECT_STR-EQUNR sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-BAUTL sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-ILOAN sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-SORTF sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-SERNR sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-MATNR sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-TPLNR sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-MATNR_LONG sy-vline 
WA_COD_S_TECHNICAL_OBJECT_STR-BAUTL_LONG sy-vline      INTO ld_text SEPARATED BY SPACE.

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