ABAP Select data from SAP table TATRAPI_FILES2 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TATRAPI_FILES2 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 TATRAPI_FILES2. 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 TATRAPI_FILES2 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_TATRAPI_FILES2 TYPE STANDARD TABLE OF TATRAPI_FILES2,
      WA_TATRAPI_FILES2 TYPE TATRAPI_FILES2,
      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: <TATRAPI_FILES2> TYPE TATRAPI_FILES2.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_TATRAPI_FILES2.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM TATRAPI_FILES2
  INTO TABLE IT_TATRAPI_FILES2.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TATRAPI_FILES2
*  INTO TABLE @DATA(IT_TATRAPI_FILES22).
*--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_TATRAPI_FILES2 INDEX 1 INTO DATA(WA_TATRAPI_FILES22).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_TATRAPI_FILES2 ASSIGNING <TATRAPI_FILES2>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TATRAPI_FILES2>-SERVER = 1.
<TATRAPI_FILES2>-FILENAME = 1.
<TATRAPI_FILES2>-FILE_NAMEXXX = 1.
<TATRAPI_FILES2>-FULL_NAMEXXX = 1.
<TATRAPI_FILES2>-KSIZEXXX = 1.

ENDLOOP.

LOOP AT IT_TATRAPI_FILES2 INTO WA_TATRAPI_FILES2.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TATRAPI_FILES2-TRACE_USERXXX, sy-vline,
  WA_TATRAPI_FILES2-TRACE_DATEXXX, sy-vline,
  WA_TATRAPI_FILES2-TRACE_TIMEXXX, sy-vline,
  WA_TATRAPI_FILES2-TRACE_TIMESTAMPXXX, sy-vline,
  WA_TATRAPI_FILES2-OTYPEXXX, sy-vline,
  WA_TATRAPI_FILES2-OBJ_TYPEXXX, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TATRAPI_FILES2 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_TATRAPI_FILES2 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_TATRAPI_FILES2 INTO WA_TATRAPI_FILES2.


*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_TATRAPI_FILES2_STR, 
SERVER TYPE STRING,
FILENAME TYPE STRING,
FILE_NAMEXXX TYPE STRING,
FULL_NAMEXXX TYPE STRING,
KSIZEXXX TYPE STRING,
TRACE_USERXXX TYPE STRING,
TRACE_DATEXXX TYPE STRING,
TRACE_TIMEXXX TYPE STRING,
TRACE_TIMESTAMPXXX TYPE STRING,
OTYPEXXX TYPE STRING,
OBJ_TYPEXXX TYPE STRING,
OBJ_NAMEXXX TYPE STRING,
COMMXXX TYPE STRING,
AGGXXX TYPE STRING,
OPSYSXXX TYPE STRING,
HOSTXXX TYPE STRING,
ERRTEXTXXX TYPE STRING,
STATEXXX TYPE STRING,
SYSIDXXX TYPE STRING,
TRACED_USERXXX TYPE STRING,
TRACE_RELEASEXXX TYPE STRING,
CLIENTXXX TYPE STRING,
TRANSACTION_IDXXX TYPE STRING,
ROOT_CONTEXT_IDXXX TYPE STRING,
CONNECTION_IDXXX TYPE STRING,
IGNOREXXX TYPE STRING,
DELETEXXX TYPE STRING,
DESCRIPTIONXXX TYPE STRING,
EXPIRATIONXXX TYPE STRING,
SERVERXXX TYPE STRING,
RUNTIMEXXX TYPE STRING,
RUNTIME_DBXXX TYPE STRING,
RUNTIME_ABAPXXX TYPE STRING,
RUNTIME_SYSTEMXXX TYPE STRING,
AMDP_FILE_NAMEXXX TYPE STRING,
AMDP_FILE_KSIZEXXX TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TATRAPI_FILES2_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_TATRAPI_FILES2_STR-SERVER sy-vline 
WA_TATRAPI_FILES2_STR-FILENAME sy-vline 
WA_TATRAPI_FILES2_STR-FILE_NAMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-FULL_NAMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-KSIZEXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACE_USERXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACE_DATEXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACE_TIMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACE_TIMESTAMPXXX sy-vline 
WA_TATRAPI_FILES2_STR-OTYPEXXX sy-vline 
WA_TATRAPI_FILES2_STR-OBJ_TYPEXXX sy-vline 
WA_TATRAPI_FILES2_STR-OBJ_NAMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-COMMXXX sy-vline 
WA_TATRAPI_FILES2_STR-AGGXXX sy-vline 
WA_TATRAPI_FILES2_STR-OPSYSXXX sy-vline 
WA_TATRAPI_FILES2_STR-HOSTXXX sy-vline 
WA_TATRAPI_FILES2_STR-ERRTEXTXXX sy-vline 
WA_TATRAPI_FILES2_STR-STATEXXX sy-vline 
WA_TATRAPI_FILES2_STR-SYSIDXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACED_USERXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRACE_RELEASEXXX sy-vline 
WA_TATRAPI_FILES2_STR-CLIENTXXX sy-vline 
WA_TATRAPI_FILES2_STR-TRANSACTION_IDXXX sy-vline 
WA_TATRAPI_FILES2_STR-ROOT_CONTEXT_IDXXX sy-vline 
WA_TATRAPI_FILES2_STR-CONNECTION_IDXXX sy-vline 
WA_TATRAPI_FILES2_STR-IGNOREXXX sy-vline 
WA_TATRAPI_FILES2_STR-DELETEXXX sy-vline 
WA_TATRAPI_FILES2_STR-DESCRIPTIONXXX sy-vline 
WA_TATRAPI_FILES2_STR-EXPIRATIONXXX sy-vline 
WA_TATRAPI_FILES2_STR-SERVERXXX sy-vline 
WA_TATRAPI_FILES2_STR-RUNTIMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-RUNTIME_DBXXX sy-vline 
WA_TATRAPI_FILES2_STR-RUNTIME_ABAPXXX sy-vline 
WA_TATRAPI_FILES2_STR-RUNTIME_SYSTEMXXX sy-vline 
WA_TATRAPI_FILES2_STR-AMDP_FILE_NAMEXXX sy-vline 
WA_TATRAPI_FILES2_STR-AMDP_FILE_KSIZEXXX sy-vline      INTO ld_text SEPARATED BY SPACE.

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