ABAP Select data from SAP table TDC_STR_UTILITY into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDC_STR_UTILITY
*  INTO TABLE @DATA(IT_TDC_STR_UTILITY2).
*--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_TDC_STR_UTILITY INDEX 1 INTO DATA(WA_TDC_STR_UTILITY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDC_STR_UTILITY>-FIELD_ID = 1.
<TDC_STR_UTILITY>-FLDTECH_NAME = 1.
<TDC_STR_UTILITY>-FIELD_DESC = 1.
<TDC_STR_UTILITY>-FIELD_LABEL = 1.
<TDC_STR_UTILITY>-DATA_ELEMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDC_STR_UTILITY-FIELD_DATATYPE, sy-vline,
  WA_TDC_STR_UTILITY-LENGTH, sy-vline,
  WA_TDC_STR_UTILITY-FIELD_CATEGORY, sy-vline,
  WA_TDC_STR_UTILITY-AREA_ID, sy-vline,
  WA_TDC_STR_UTILITY-APPLICATION, sy-vline,
  WA_TDC_STR_UTILITY-TAG_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDC_STR_UTILITY 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_TDC_STR_UTILITY 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_TDC_STR_UTILITY INTO WA_TDC_STR_UTILITY.


*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_TDC_STR_UTILITY_STR, 
FIELD_ID TYPE STRING,
FLDTECH_NAME TYPE STRING,
FIELD_DESC TYPE STRING,
FIELD_LABEL TYPE STRING,
DATA_ELEMENT TYPE STRING,
FIELD_DATATYPE TYPE STRING,
LENGTH TYPE STRING,
FIELD_CATEGORY TYPE STRING,
AREA_ID TYPE STRING,
APPLICATION TYPE STRING,
TAG_ID TYPE STRING,
TAG TYPE STRING,
TEMPLT_ID TYPE STRING,
TEMPLT_NAME TYPE STRING,
TEMPLT_DESC TYPE STRING,
TEMPLT_MAPID TYPE STRING,
TDC_AREA_GUID TYPE STRING,
TDC_ID TYPE STRING,
TDC_NAME TYPE STRING,
TDC_DESC TYPE STRING,
CREATED_ON TYPE STRING,
CREATED_BY TYPE STRING,
CHANGED_ON TYPE STRING,
TDC_MAPID TYPE STRING,
CONTAINER_TAG_ID TYPE STRING,
VAR_ID TYPE STRING,
VARIANT_NAME TYPE STRING,
VARIANT_DESC TYPE STRING,
VAR_MAPID TYPE STRING,
ALIAS_NAME TYPE STRING,
FIELD_VALUE TYPE STRING,
COUNTRY TYPE STRING,
LANGUAGE TYPE STRING,
COMPANY_CODE TYPE STRING,
TABNAME TYPE STRING,
STR1 TYPE STRING,
STR2 TYPE STRING,
STR3 TYPE STRING,
TDC_TYPE TYPE STRING,
SENT_TSTAMP TYPE STRING,
CRTD_TSTAMP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDC_STR_UTILITY_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_TDC_STR_UTILITY_STR-FIELD_ID sy-vline 
WA_TDC_STR_UTILITY_STR-FLDTECH_NAME sy-vline 
WA_TDC_STR_UTILITY_STR-FIELD_DESC sy-vline 
WA_TDC_STR_UTILITY_STR-FIELD_LABEL sy-vline 
WA_TDC_STR_UTILITY_STR-DATA_ELEMENT sy-vline 
WA_TDC_STR_UTILITY_STR-FIELD_DATATYPE sy-vline 
WA_TDC_STR_UTILITY_STR-LENGTH sy-vline 
WA_TDC_STR_UTILITY_STR-FIELD_CATEGORY sy-vline 
WA_TDC_STR_UTILITY_STR-AREA_ID sy-vline 
WA_TDC_STR_UTILITY_STR-APPLICATION sy-vline 
WA_TDC_STR_UTILITY_STR-TAG_ID sy-vline 
WA_TDC_STR_UTILITY_STR-TAG sy-vline 
WA_TDC_STR_UTILITY_STR-TEMPLT_ID sy-vline 
WA_TDC_STR_UTILITY_STR-TEMPLT_NAME sy-vline 
WA_TDC_STR_UTILITY_STR-TEMPLT_DESC sy-vline 
WA_TDC_STR_UTILITY_STR-TEMPLT_MAPID sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_AREA_GUID sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_ID sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_NAME sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_DESC sy-vline 
WA_TDC_STR_UTILITY_STR-CREATED_ON sy-vline 
WA_TDC_STR_UTILITY_STR-CREATED_BY sy-vline 
WA_TDC_STR_UTILITY_STR-CHANGED_ON sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_MAPID sy-vline 
WA_TDC_STR_UTILITY_STR-CONTAINER_TAG_ID sy-vline 
WA_TDC_STR_UTILITY_STR-VAR_ID sy-vline 
WA_TDC_STR_UTILITY_STR-VARIANT_NAME sy-vline 
WA_TDC_STR_UTILITY_STR-VARIANT_DESC sy-vline 
WA_TDC_STR_UTILITY_STR-VAR_MAPID sy-vline 
WA_TDC_STR_UTILITY_STR-ALIAS_NAME sy-vline 
WA_TDC_STR_UTILITY_STR-FIELD_VALUE sy-vline 
WA_TDC_STR_UTILITY_STR-COUNTRY sy-vline 
WA_TDC_STR_UTILITY_STR-LANGUAGE sy-vline 
WA_TDC_STR_UTILITY_STR-COMPANY_CODE sy-vline 
WA_TDC_STR_UTILITY_STR-TABNAME sy-vline 
WA_TDC_STR_UTILITY_STR-STR1 sy-vline 
WA_TDC_STR_UTILITY_STR-STR2 sy-vline 
WA_TDC_STR_UTILITY_STR-STR3 sy-vline 
WA_TDC_STR_UTILITY_STR-TDC_TYPE sy-vline 
WA_TDC_STR_UTILITY_STR-SENT_TSTAMP sy-vline 
WA_TDC_STR_UTILITY_STR-CRTD_TSTAMP sy-vline      INTO ld_text SEPARATED BY SPACE.

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