ABAP Select data from SAP table WRF_TEXTILE_FIBR 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 WRF_TEXTILE_FIBR 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 WRF_TEXTILE_FIBR. 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 WRF_TEXTILE_FIBR 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_WRF_TEXTILE_FIBR TYPE STANDARD TABLE OF WRF_TEXTILE_FIBR,
      WA_WRF_TEXTILE_FIBR TYPE WRF_TEXTILE_FIBR,
      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: <WRF_TEXTILE_FIBR> TYPE WRF_TEXTILE_FIBR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WRF_TEXTILE_FIBR
*  INTO TABLE @DATA(IT_WRF_TEXTILE_FIBR2).
*--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_WRF_TEXTILE_FIBR INDEX 1 INTO DATA(WA_WRF_TEXTILE_FIBR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WRF_TEXTILE_FIBR>-MANDT = 1.
<WRF_TEXTILE_FIBR>-MATNR = 1.
<WRF_TEXTILE_FIBR>-TEXTIL_COMP_POS = 1.
<WRF_TEXTILE_FIBR>-TEXTIL_FIBR_POS = 1.
<WRF_TEXTILE_FIBR>-FIBER_CODE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WRF_TEXTILE_FIBR-FIBER_PART, sy-vline,
  WA_WRF_TEXTILE_FIBR-SCIENTIFIC_NAME_CODE, sy-vline,
  WA_WRF_TEXTILE_FIBR-ORIGIN, sy-vline,
  WA_WRF_TEXTILE_FIBR-PRINT_FLAG, sy-vline,
  WA_WRF_TEXTILE_FIBR-PSM_CODE, sy-vline,
  WA_WRF_TEXTILE_FIBR-DOKNR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WRF_TEXTILE_FIBR 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_WRF_TEXTILE_FIBR 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_WRF_TEXTILE_FIBR INTO WA_WRF_TEXTILE_FIBR.


*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 MATN1, internal->external for field MATNR
CALL FUNCTION 'CONVERSION_EXIT_MATN1_OUTPUT'
  EXPORTING
    input =                      WA_WRF_TEXTILE_FIBR-MATNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRF_TEXTILE_FIBR-MATNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit FIBER, internal->external for field FIBER_CODE
CALL FUNCTION 'CONVERSION_EXIT_FIBER_OUTPUT'
  EXPORTING
    input =                      WA_WRF_TEXTILE_FIBR-FIBER_CODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRF_TEXTILE_FIBR-FIBER_CODE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DOKNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_WRF_TEXTILE_FIBR-DOKNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_WRF_TEXTILE_FIBR-DOKNR.
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_WRF_TEXTILE_FIBR_STR, 
MANDT TYPE STRING,
MATNR TYPE STRING,
TEXTIL_COMP_POS TYPE STRING,
TEXTIL_FIBR_POS TYPE STRING,
FIBER_CODE TYPE STRING,
FIBER_PART TYPE STRING,
SCIENTIFIC_NAME_CODE TYPE STRING,
ORIGIN TYPE STRING,
PRINT_FLAG TYPE STRING,
PSM_CODE TYPE STRING,
DOKNR TYPE STRING,
DOKAR TYPE STRING,
DOKTL TYPE STRING,
DOKVR TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WRF_TEXTILE_FIBR_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_WRF_TEXTILE_FIBR_STR-MANDT sy-vline 
WA_WRF_TEXTILE_FIBR_STR-MATNR sy-vline 
WA_WRF_TEXTILE_FIBR_STR-TEXTIL_COMP_POS sy-vline 
WA_WRF_TEXTILE_FIBR_STR-TEXTIL_FIBR_POS sy-vline 
WA_WRF_TEXTILE_FIBR_STR-FIBER_CODE sy-vline 
WA_WRF_TEXTILE_FIBR_STR-FIBER_PART sy-vline 
WA_WRF_TEXTILE_FIBR_STR-SCIENTIFIC_NAME_CODE sy-vline 
WA_WRF_TEXTILE_FIBR_STR-ORIGIN sy-vline 
WA_WRF_TEXTILE_FIBR_STR-PRINT_FLAG sy-vline 
WA_WRF_TEXTILE_FIBR_STR-PSM_CODE sy-vline 
WA_WRF_TEXTILE_FIBR_STR-DOKNR sy-vline 
WA_WRF_TEXTILE_FIBR_STR-DOKAR sy-vline 
WA_WRF_TEXTILE_FIBR_STR-DOKTL sy-vline 
WA_WRF_TEXTILE_FIBR_STR-DOKVR sy-vline      INTO ld_text SEPARATED BY SPACE.

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