ABAP Select data from SAP table TDS_LODATA_OR_PARTY into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TDS_LODATA_OR_PARTY 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_LODATA_OR_PARTY. 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_LODATA_OR_PARTY 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_LODATA_OR_PARTY TYPE STANDARD TABLE OF TDS_LODATA_OR_PARTY,
      WA_TDS_LODATA_OR_PARTY TYPE TDS_LODATA_OR_PARTY,
      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_LODATA_OR_PARTY> TYPE TDS_LODATA_OR_PARTY.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_LODATA_OR_PARTY
*  INTO TABLE @DATA(IT_TDS_LODATA_OR_PARTY2).
*--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_LODATA_OR_PARTY INDEX 1 INTO DATA(WA_TDS_LODATA_OR_PARTY2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_LODATA_OR_PARTY>-VBELN = 1.
<TDS_LODATA_OR_PARTY>-POSNR = 1.
<TDS_LODATA_OR_PARTY>-PARVW = 1.
<TDS_LODATA_OR_PARTY>-KUNNR = 1.
<TDS_LODATA_OR_PARTY>-NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_LODATA_OR_PARTY-NAME2, sy-vline,
  WA_TDS_LODATA_OR_PARTY-STREET, sy-vline,
  WA_TDS_LODATA_OR_PARTY-HNUM, sy-vline,
  WA_TDS_LODATA_OR_PARTY-PCODE, sy-vline,
  WA_TDS_LODATA_OR_PARTY-CITY, sy-vline,
  WA_TDS_LODATA_OR_PARTY-REGION, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_LODATA_OR_PARTY 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_LODATA_OR_PARTY 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_LODATA_OR_PARTY INTO WA_TDS_LODATA_OR_PARTY.


*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_LODATA_OR_PARTY-VBELN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_LODATA_OR_PARTY-VBELN.
WRITE:/ 'New Value:', ld_input.

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

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

*Conversion exit SXIDN, internal->external for field EMAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_TDS_LODATA_OR_PARTY-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_LODATA_OR_PARTY-EMAIL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field ADRNR_R
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_LODATA_OR_PARTY-ADRNR_R
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_LODATA_OR_PARTY-ADRNR_R.
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_LODATA_OR_PARTY_STR, 
VBELN TYPE STRING,
POSNR TYPE STRING,
PARVW TYPE STRING,
KUNNR TYPE STRING,
NAME TYPE STRING,
NAME2 TYPE STRING,
STREET TYPE STRING,
HNUM TYPE STRING,
PCODE TYPE STRING,
CITY TYPE STRING,
REGION TYPE STRING,
COUNTRY TYPE STRING,
TELNUM TYPE STRING,
TELEXT TYPE STRING,
FAXNUM TYPE STRING,
FAXEXT TYPE STRING,
EMAIL TYPE STRING,
MOBNUM TYPE STRING,
TITLE TYPE STRING,
PARVW_T TYPE STRING,
REGION_T TYPE STRING,
COUNTRY_T TYPE STRING,
TITLE_T TYPE STRING,
ADRNR_R TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_LODATA_OR_PARTY_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_LODATA_OR_PARTY_STR-VBELN sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-POSNR sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-PARVW sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-KUNNR sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-NAME sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-NAME2 sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-STREET sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-HNUM sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-PCODE sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-CITY sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-REGION sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-COUNTRY sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-TELNUM sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-TELEXT sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-FAXNUM sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-FAXEXT sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-EMAIL sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-MOBNUM sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-TITLE sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-PARVW_T sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-REGION_T sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-COUNTRY_T sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-TITLE_T sy-vline 
WA_TDS_LODATA_OR_PARTY_STR-ADRNR_R sy-vline      INTO ld_text SEPARATED BY SPACE.

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