ABAP Select data from SAP table ADT_ST05_TRACE_STATE_INST into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP ADT_ST05_TRACE_STATE_INST 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 ADT_ST05_TRACE_STATE_INST. 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 ADT_ST05_TRACE_STATE_INST 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_ADT_ST05_TRACE_STATE_INST TYPE STANDARD TABLE OF ADT_ST05_TRACE_STATE_INST,
      WA_ADT_ST05_TRACE_STATE_INST TYPE ADT_ST05_TRACE_STATE_INST,
      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: <ADT_ST05_TRACE_STATE_INST> TYPE ADT_ST05_TRACE_STATE_INST.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_ADT_ST05_TRACE_STATE_INST.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM ADT_ST05_TRACE_STATE_INST
  INTO TABLE IT_ADT_ST05_TRACE_STATE_INST.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ADT_ST05_TRACE_STATE_INST
*  INTO TABLE @DATA(IT_ADT_ST05_TRACE_STATE_INST2).
*--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_ADT_ST05_TRACE_STATE_INST INDEX 1 INTO DATA(WA_ADT_ST05_TRACE_STATE_INST2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_ADT_ST05_TRACE_STATE_INST ASSIGNING <ADT_ST05_TRACE_STATE_INST>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ADT_ST05_TRACE_STATE_INST>-INSTANCE = 1.
<ADT_ST05_TRACE_STATE_INST>-HOST = 1.
<ADT_ST05_TRACE_STATE_INST>-IS_LOCAL = 1.
<ADT_ST05_TRACE_STATE_INST>-IS_SELECTED = 1.
<ADT_ST05_TRACE_STATE_INST>-MODIFICATION_USER = 1.

ENDLOOP.

LOOP AT IT_ADT_ST05_TRACE_STATE_INST INTO WA_ADT_ST05_TRACE_STATE_INST.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ADT_ST05_TRACE_STATE_INST-MODIFICATION_DATE_TIME, sy-vline,
  WA_ADT_ST05_TRACE_STATE_INST-TRACE_TYPES, sy-vline,
  WA_ADT_ST05_TRACE_STATE_INST-SQL_ON, sy-vline,
  WA_ADT_ST05_TRACE_STATE_INST-BUF_ON, sy-vline,
  WA_ADT_ST05_TRACE_STATE_INST-ENQ_ON, sy-vline,
  WA_ADT_ST05_TRACE_STATE_INST-RFC_ON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ADT_ST05_TRACE_STATE_INST 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_ADT_ST05_TRACE_STATE_INST 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_ADT_ST05_TRACE_STATE_INST INTO WA_ADT_ST05_TRACE_STATE_INST.


*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_ADT_ST05_TRACE_STATE_INST_STR, 
INSTANCE TYPE STRING,
HOST TYPE STRING,
IS_LOCAL TYPE STRING,
IS_SELECTED TYPE STRING,
MODIFICATION_USER TYPE STRING,
MODIFICATION_DATE_TIME TYPE STRING,
TRACE_TYPES TYPE STRING,
SQL_ON TYPE STRING,
BUF_ON TYPE STRING,
ENQ_ON TYPE STRING,
RFC_ON TYPE STRING,
HTTP_ON TYPE STRING,
APC_ON TYPE STRING,
AMC_ON TYPE STRING,
AUTH_ON TYPE STRING,
TRACE_PROPERTIES TYPE STRING,
INCLUDE_MISSING_TABLE_NAME_ON TYPE STRING,
AUTH_ERRORS_ONLY TYPE STRING,
STACK_TRACE_ON TYPE STRING,
INCLUDED_TABLES TYPE STRING,
EXCLUDED_TABLES TYPE STRING,
TRACE_FILTER TYPE STRING,
TRACE_USER TYPE STRING,
TRANSACTION_CODE TYPE STRING,
PROGRAM TYPE STRING,
RFC_FUNCTION TYPE STRING,
URL TYPE STRING,
WP_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ADT_ST05_TRACE_STATE_INST_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_ADT_ST05_TRACE_STATE_INST_STR-INSTANCE sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-HOST sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-IS_LOCAL sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-IS_SELECTED sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-MODIFICATION_USER sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-MODIFICATION_DATE_TIME sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-TRACE_TYPES sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-SQL_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-BUF_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-ENQ_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-RFC_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-HTTP_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-APC_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-AMC_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-AUTH_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-TRACE_PROPERTIES sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-INCLUDE_MISSING_TABLE_NAME_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-AUTH_ERRORS_ONLY sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-STACK_TRACE_ON sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-INCLUDED_TABLES sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-EXCLUDED_TABLES sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-TRACE_FILTER sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-TRACE_USER sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-TRANSACTION_CODE sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-PROGRAM sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-RFC_FUNCTION sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-URL sy-vline 
WA_ADT_ST05_TRACE_STATE_INST_STR-WP_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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