ABAP Select data from SAP table TDS_SDSLS_DRF_CRT_FILTER into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_SDSLS_DRF_CRT_FILTER
*  INTO TABLE @DATA(IT_TDS_SDSLS_DRF_CRT_FILTER2).
*--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_TDS_SDSLS_DRF_CRT_FILTER INDEX 1 INTO DATA(WA_TDS_SDSLS_DRF_CRT_FILTER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_SDSLS_DRF_CRT_FILTER>-VBELN = 1.
<TDS_SDSLS_DRF_CRT_FILTER>-AUART = 1.
<TDS_SDSLS_DRF_CRT_FILTER>-KUNNR = 1.
<TDS_SDSLS_DRF_CRT_FILTER>-VKORG = 1.
<TDS_SDSLS_DRF_CRT_FILTER>-VTWEG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_SDSLS_DRF_CRT_FILTER-SPART, sy-vline,
  WA_TDS_SDSLS_DRF_CRT_FILTER-AUDAT, sy-vline,
  WA_TDS_SDSLS_DRF_CRT_FILTER-ERDAT, sy-vline,
  WA_TDS_SDSLS_DRF_CRT_FILTER-AEDAT, sy-vline,
  WA_TDS_SDSLS_DRF_CRT_FILTER-GBSTK, sy-vline,
  WA_TDS_SDSLS_DRF_CRT_FILTER-ABSTK, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_SDSLS_DRF_CRT_FILTER 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_TDS_SDSLS_DRF_CRT_FILTER 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_TDS_SDSLS_DRF_CRT_FILTER INTO WA_TDS_SDSLS_DRF_CRT_FILTER.


*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 ALPHA, internal->external for field VBELN
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_SDSLS_DRF_CRT_FILTER-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_SDSLS_DRF_CRT_FILTER-VBELN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AUART, internal->external for field AUART
CALL FUNCTION 'CONVERSION_EXIT_AUART_OUTPUT'
  EXPORTING
    input =                      WA_TDS_SDSLS_DRF_CRT_FILTER-AUART
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_SDSLS_DRF_CRT_FILTER-AUART.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_SDSLS_DRF_CRT_FILTER-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_SDSLS_DRF_CRT_FILTER-KUNNR.
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_TDS_SDSLS_DRF_CRT_FILTER_STR, 
VBELN TYPE STRING,
AUART TYPE STRING,
KUNNR TYPE STRING,
VKORG TYPE STRING,
VTWEG TYPE STRING,
SPART TYPE STRING,
AUDAT TYPE STRING,
ERDAT TYPE STRING,
AEDAT TYPE STRING,
GBSTK TYPE STRING,
ABSTK TYPE STRING,
BUKRS_VF TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_SDSLS_DRF_CRT_FILTER_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_TDS_SDSLS_DRF_CRT_FILTER_STR-VBELN sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-AUART sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-KUNNR sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-VKORG sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-VTWEG sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-SPART sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-AUDAT sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-ERDAT sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-AEDAT sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-GBSTK sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-ABSTK sy-vline 
WA_TDS_SDSLS_DRF_CRT_FILTER_STR-BUKRS_VF sy-vline      INTO ld_text SEPARATED BY SPACE.

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