ABAP Select data from SAP table TDS_CFS_CONTACT_PERSON into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP TDS_CFS_CONTACT_PERSON 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_CFS_CONTACT_PERSON. 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_CFS_CONTACT_PERSON 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_CFS_CONTACT_PERSON TYPE STANDARD TABLE OF TDS_CFS_CONTACT_PERSON,
      WA_TDS_CFS_CONTACT_PERSON TYPE TDS_CFS_CONTACT_PERSON,
      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_CFS_CONTACT_PERSON> TYPE TDS_CFS_CONTACT_PERSON.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM TDS_CFS_CONTACT_PERSON
*  INTO TABLE @DATA(IT_TDS_CFS_CONTACT_PERSON2).
*--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_CFS_CONTACT_PERSON INDEX 1 INTO DATA(WA_TDS_CFS_CONTACT_PERSON2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<TDS_CFS_CONTACT_PERSON>-ANRED = 1.
<TDS_CFS_CONTACT_PERSON>-NAME1 = 1.
<TDS_CFS_CONTACT_PERSON>-NAMEV = 1.
<TDS_CFS_CONTACT_PERSON>-NAME_TEXT = 1.
<TDS_CFS_CONTACT_PERSON>-TELNRLONG = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_TDS_CFS_CONTACT_PERSON-FAXNRLONG, sy-vline,
  WA_TDS_CFS_CONTACT_PERSON-MOBILEPHONE, sy-vline,
  WA_TDS_CFS_CONTACT_PERSON-EMAIL, sy-vline,
  WA_TDS_CFS_CONTACT_PERSON-EMAIL_REFERENCE, sy-vline,
  WA_TDS_CFS_CONTACT_PERSON-BUILDING_C, sy-vline,
  WA_TDS_CFS_CONTACT_PERSON-FLOOR_C, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_TDS_CFS_CONTACT_PERSON 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_CFS_CONTACT_PERSON 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_CFS_CONTACT_PERSON INTO WA_TDS_CFS_CONTACT_PERSON.


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

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

*Conversion exit PDATE, internal->external for field GBDAT
CALL FUNCTION 'CONVERSION_EXIT_PDATE_OUTPUT'
  EXPORTING
    input =                      WA_TDS_CFS_CONTACT_PERSON-GBDAT
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_CFS_CONTACT_PERSON-GBDAT.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field PARLA
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_TDS_CFS_CONTACT_PERSON-PARLA
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_TDS_CFS_CONTACT_PERSON-PARLA.
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_CFS_CONTACT_PERSON_STR, 
ANRED TYPE STRING,
NAME1 TYPE STRING,
NAMEV TYPE STRING,
NAME_TEXT TYPE STRING,
TELNRLONG TYPE STRING,
FAXNRLONG TYPE STRING,
MOBILEPHONE TYPE STRING,
EMAIL TYPE STRING,
EMAIL_REFERENCE TYPE STRING,
BUILDING_C TYPE STRING,
FLOOR_C TYPE STRING,
ROOMNUM_C TYPE STRING,
ABTNR TYPE STRING,
ABTNRBEZ TYPE STRING,
PAFKT TYPE STRING,
PAFKTBEZ TYPE STRING,
PARNR TYPE STRING,
PARVO TYPE STRING,
VTRNR TYPE STRING,
GBDAT TYPE STRING,
PARLA TYPE STRING,
PARLA_BEZ TYPE STRING,
BRYTH TYPE STRING,
BRYTH_BEZ TYPE STRING,
AKVER TYPE STRING,
AKVER_BEZ TYPE STRING,
PARAU TYPE STRING,
ADDR1_POST_CODE1 TYPE STRING,
ADDR1_CITY1 TYPE STRING,
ADDR1_STREET TYPE STRING,
ADDR1_HOUSE_NUM1 TYPE STRING,
ADDR1_COUNTRY TYPE STRING,
ADDR1_COUNTRY_BEZ TYPE STRING,END OF T_EKKO_STR.
DATA: WA_TDS_CFS_CONTACT_PERSON_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_CFS_CONTACT_PERSON_STR-ANRED sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-NAME1 sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-NAMEV sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-NAME_TEXT sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-TELNRLONG sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-FAXNRLONG sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-MOBILEPHONE sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-EMAIL sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-EMAIL_REFERENCE sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-BUILDING_C sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-FLOOR_C sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ROOMNUM_C sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ABTNR sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ABTNRBEZ sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PAFKT sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PAFKTBEZ sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PARNR sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PARVO sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-VTRNR sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-GBDAT sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PARLA sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PARLA_BEZ sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-BRYTH sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-BRYTH_BEZ sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-AKVER sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-AKVER_BEZ sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-PARAU sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_POST_CODE1 sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_CITY1 sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_STREET sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_HOUSE_NUM1 sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_COUNTRY sy-vline 
WA_TDS_CFS_CONTACT_PERSON_STR-ADDR1_COUNTRY_BEZ sy-vline      INTO ld_text SEPARATED BY SPACE.

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