ABAP Select data from SAP table /LTB/TR_S_PARAM_VIEW into internal table

Get Example source ABAP code based on a different SAP table
  Get ABAP code

Below is a number of ABAP code snippets to demonstrate how to select data from SAP /LTB/TR_S_PARAM_VIEW 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 /LTB/TR_S_PARAM_VIEW. 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 /LTB/TR_S_PARAM_VIEW 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_/LTB/TR_S_PARAM_VIEW TYPE STANDARD TABLE OF /LTB/TR_S_PARAM_VIEW,
      WA_/LTB/TR_S_PARAM_VIEW TYPE /LTB/TR_S_PARAM_VIEW,
      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: </LTB/TR_S_PARAM_VIEW> TYPE /LTB/TR_S_PARAM_VIEW.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /LTB/TR_S_PARAM_VIEW
  INTO TABLE IT_/LTB/TR_S_PARAM_VIEW.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /LTB/TR_S_PARAM_VIEW
*  INTO TABLE @DATA(IT_/LTB/TR_S_PARAM_VIEW2).
*--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_/LTB/TR_S_PARAM_VIEW INDEX 1 INTO DATA(WA_/LTB/TR_S_PARAM_VIEW2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/LTB/TR_S_PARAM_VIEW ASSIGNING </LTB/TR_S_PARAM_VIEW>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</LTB/TR_S_PARAM_VIEW>-POS = 1.
</LTB/TR_S_PARAM_VIEW>-NAME = 1.
</LTB/TR_S_PARAM_VIEW>-TYPTYPE = 1.
</LTB/TR_S_PARAM_VIEW>-TYPE = 1.
</LTB/TR_S_PARAM_VIEW>-KIND = 1.

ENDLOOP.

LOOP AT IT_/LTB/TR_S_PARAM_VIEW INTO WA_/LTB/TR_S_PARAM_VIEW.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/LTB/TR_S_PARAM_VIEW-LOCAL_TYPE, sy-vline,
  WA_/LTB/TR_S_PARAM_VIEW-TECH_DATA, sy-vline,
  WA_/LTB/TR_S_PARAM_VIEW-IS_TECHNICAL, sy-vline,
  WA_/LTB/TR_S_PARAM_VIEW-DECLARATION, sy-vline,
  WA_/LTB/TR_S_PARAM_VIEW-DATATYPE, sy-vline,
  WA_/LTB/TR_S_PARAM_VIEW-PARAM_ID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/LTB/TR_S_PARAM_VIEW 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_/LTB/TR_S_PARAM_VIEW 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_/LTB/TR_S_PARAM_VIEW INTO WA_/LTB/TR_S_PARAM_VIEW.


*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 DTYPE, internal->external for field DATATYPE
CALL FUNCTION 'CONVERSION_EXIT_DTYPE_OUTPUT'
  EXPORTING
    input =                      WA_/LTB/TR_S_PARAM_VIEW-DATATYPE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/LTB/TR_S_PARAM_VIEW-DATATYPE.
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_/LTB/TR_S_PARAM_VIEW_STR, 
POS TYPE STRING,
NAME TYPE STRING,
TYPTYPE TYPE STRING,
TYPE TYPE STRING,
KIND TYPE STRING,
LOCAL_TYPE TYPE STRING,
TECH_DATA TYPE STRING,
IS_TECHNICAL TYPE STRING,
DECLARATION TYPE STRING,
DATATYPE TYPE STRING,
PARAM_ID TYPE STRING,
DESCRIPTION TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/LTB/TR_S_PARAM_VIEW_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_/LTB/TR_S_PARAM_VIEW_STR-POS sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-NAME sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-TYPTYPE sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-TYPE sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-KIND sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-LOCAL_TYPE sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-TECH_DATA sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-IS_TECHNICAL sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-DECLARATION sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-DATATYPE sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-PARAM_ID sy-vline 
WA_/LTB/TR_S_PARAM_VIEW_STR-DESCRIPTION sy-vline      INTO ld_text SEPARATED BY SPACE.

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