ABAP Select data from SAP table SXT_TRC_RECORD into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM SXT_TRC_RECORD
*  INTO TABLE @DATA(IT_SXT_TRC_RECORD2).
*--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_SXT_TRC_RECORD INDEX 1 INTO DATA(WA_SXT_TRC_RECORD2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<SXT_TRC_RECORD>-CLIENT = 1.
<SXT_TRC_RECORD>-TRACE_ID = 1.
<SXT_TRC_RECORD>-RECORD_NUMBER = 1.
<SXT_TRC_RECORD>-PARENT_NUMBER = 1.
<SXT_TRC_RECORD>-TIMESTAMP = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_SXT_TRC_RECORD-TRACE_COMPONENT, sy-vline,
  WA_SXT_TRC_RECORD-TRACE_OBJECT, sy-vline,
  WA_SXT_TRC_RECORD-TRACE_PROCEDURE, sy-vline,
  WA_SXT_TRC_RECORD-TRACE_LEVEL, sy-vline,
  WA_SXT_TRC_RECORD-CALL_STACK, sy-vline,
  WA_SXT_TRC_RECORD-MESSAGE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_SXT_TRC_RECORD 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_SXT_TRC_RECORD 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_SXT_TRC_RECORD INTO WA_SXT_TRC_RECORD.


*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_SXT_TRC_RECORD_STR, 
CLIENT TYPE STRING,
TRACE_ID TYPE STRING,
RECORD_NUMBER TYPE STRING,
PARENT_NUMBER TYPE STRING,
TIMESTAMP TYPE STRING,
TRACE_COMPONENT TYPE STRING,
TRACE_OBJECT TYPE STRING,
TRACE_PROCEDURE TYPE STRING,
TRACE_LEVEL TYPE STRING,
CALL_STACK TYPE STRING,
MESSAGE TYPE STRING,
CONTENT_TYPE TYPE STRING,
HIERARCHY_TYPE TYPE STRING,
HIERARCHY_NUMBER TYPE STRING,
HIERARCHIES_LEVEL TYPE STRING,
CONTENT TYPE STRING,
CONTENT_LENGTH TYPE STRING,
CONTENT_LENGTH_DB TYPE STRING,
CONTENT_REFERENCE TYPE STRING,
CALL_STACK_LENGTH_DB TYPE STRING,
CALL_STACK_REFERENCE TYPE STRING,
PERSISTENCE_VERSION TYPE STRING,
OPT_NO_SENSITIVE_DATA TYPE STRING,
OPT_CALL_STACK_NAV_OFFSET TYPE STRING,
OPT_FULL_CALL_STACK TYPE STRING,
OPT_HIGHLIGHT TYPE STRING,
PROCESSED_OBJECTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_SXT_TRC_RECORD_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_SXT_TRC_RECORD_STR-CLIENT sy-vline 
WA_SXT_TRC_RECORD_STR-TRACE_ID sy-vline 
WA_SXT_TRC_RECORD_STR-RECORD_NUMBER sy-vline 
WA_SXT_TRC_RECORD_STR-PARENT_NUMBER sy-vline 
WA_SXT_TRC_RECORD_STR-TIMESTAMP sy-vline 
WA_SXT_TRC_RECORD_STR-TRACE_COMPONENT sy-vline 
WA_SXT_TRC_RECORD_STR-TRACE_OBJECT sy-vline 
WA_SXT_TRC_RECORD_STR-TRACE_PROCEDURE sy-vline 
WA_SXT_TRC_RECORD_STR-TRACE_LEVEL sy-vline 
WA_SXT_TRC_RECORD_STR-CALL_STACK sy-vline 
WA_SXT_TRC_RECORD_STR-MESSAGE sy-vline 
WA_SXT_TRC_RECORD_STR-CONTENT_TYPE sy-vline 
WA_SXT_TRC_RECORD_STR-HIERARCHY_TYPE sy-vline 
WA_SXT_TRC_RECORD_STR-HIERARCHY_NUMBER sy-vline 
WA_SXT_TRC_RECORD_STR-HIERARCHIES_LEVEL sy-vline 
WA_SXT_TRC_RECORD_STR-CONTENT sy-vline 
WA_SXT_TRC_RECORD_STR-CONTENT_LENGTH sy-vline 
WA_SXT_TRC_RECORD_STR-CONTENT_LENGTH_DB sy-vline 
WA_SXT_TRC_RECORD_STR-CONTENT_REFERENCE sy-vline 
WA_SXT_TRC_RECORD_STR-CALL_STACK_LENGTH_DB sy-vline 
WA_SXT_TRC_RECORD_STR-CALL_STACK_REFERENCE sy-vline 
WA_SXT_TRC_RECORD_STR-PERSISTENCE_VERSION sy-vline 
WA_SXT_TRC_RECORD_STR-OPT_NO_SENSITIVE_DATA sy-vline 
WA_SXT_TRC_RECORD_STR-OPT_CALL_STACK_NAV_OFFSET sy-vline 
WA_SXT_TRC_RECORD_STR-OPT_FULL_CALL_STACK sy-vline 
WA_SXT_TRC_RECORD_STR-OPT_HIGHLIGHT sy-vline 
WA_SXT_TRC_RECORD_STR-PROCESSED_OBJECTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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