ABAP Select data from SAP table GLO_ID_TCODE_V into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM GLO_ID_TCODE_V
*  INTO TABLE @DATA(IT_GLO_ID_TCODE_V2).
*--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_GLO_ID_TCODE_V INDEX 1 INTO DATA(WA_GLO_ID_TCODE_V2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<GLO_ID_TCODE_V>-MANDT = 1.
<GLO_ID_TCODE_V>-BUKRS = 1.
<GLO_ID_TCODE_V>-BUPLA = 1.
<GLO_ID_TCODE_V>-VKORG = 1.
<GLO_ID_TCODE_V>-KUNNR = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_GLO_ID_TCODE_V-MATNR, sy-vline,
  WA_GLO_ID_TCODE_V-AUART, sy-vline,
  WA_GLO_ID_TCODE_V-MWSKZ, sy-vline,
  WA_GLO_ID_TCODE_V-TCODE, sy-vline,
  WA_GLO_ID_TCODE_V-ACTIVE, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_GLO_ID_TCODE_V 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_GLO_ID_TCODE_V 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_GLO_ID_TCODE_V INTO WA_GLO_ID_TCODE_V.


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

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

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_GLO_ID_TCODE_V-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_GLO_ID_TCODE_V-AUART.
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_GLO_ID_TCODE_V_STR, 
MANDT TYPE STRING,
BUKRS TYPE STRING,
BUPLA TYPE STRING,
VKORG TYPE STRING,
KUNNR TYPE STRING,
MATNR TYPE STRING,
AUART TYPE STRING,
MWSKZ TYPE STRING,
TCODE TYPE STRING,
ACTIVE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_GLO_ID_TCODE_V_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_GLO_ID_TCODE_V_STR-MANDT sy-vline 
WA_GLO_ID_TCODE_V_STR-BUKRS sy-vline 
WA_GLO_ID_TCODE_V_STR-BUPLA sy-vline 
WA_GLO_ID_TCODE_V_STR-VKORG sy-vline 
WA_GLO_ID_TCODE_V_STR-KUNNR sy-vline 
WA_GLO_ID_TCODE_V_STR-MATNR sy-vline 
WA_GLO_ID_TCODE_V_STR-AUART sy-vline 
WA_GLO_ID_TCODE_V_STR-MWSKZ sy-vline 
WA_GLO_ID_TCODE_V_STR-TCODE sy-vline 
WA_GLO_ID_TCODE_V_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.