ABAP Select data from SAP table BUPA_CONTACT_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM BUPA_CONTACT_S
*  INTO TABLE @DATA(IT_BUPA_CONTACT_S2).
*--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_BUPA_CONTACT_S INDEX 1 INTO DATA(WA_BUPA_CONTACT_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<BUPA_CONTACT_S>-FIRSTNAME = 1.
<BUPA_CONTACT_S>-LASTNAME = 1.
<BUPA_CONTACT_S>-BIRTHDATE = 1.
<BUPA_CONTACT_S>-CONTACTPERSONFUNCTION = 1.
<BUPA_CONTACT_S>-CONTACTPERSONDEPARTMENT = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_BUPA_CONTACT_S-BUILDING, sy-vline,
  WA_BUPA_CONTACT_S-FLOOR, sy-vline,
  WA_BUPA_CONTACT_S-ROOMNUMBER, sy-vline,
  WA_BUPA_CONTACT_S-PHONENUMBER, sy-vline,
  WA_BUPA_CONTACT_S-MOBILEPHONENUMBER, sy-vline,
  WA_BUPA_CONTACT_S-FAXNUMBER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_BUPA_CONTACT_S 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_BUPA_CONTACT_S 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_BUPA_CONTACT_S INTO WA_BUPA_CONTACT_S.


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

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

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

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

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

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

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

*Conversion exit ALPHA, internal->external for field RELATIONSHIPNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_BUPA_CONTACT_S-RELATIONSHIPNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_BUPA_CONTACT_S-RELATIONSHIPNUMBER.
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_BUPA_CONTACT_S_STR, 
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
BIRTHDATE TYPE STRING,
CONTACTPERSONFUNCTION TYPE STRING,
CONTACTPERSONDEPARTMENT TYPE STRING,
BUILDING TYPE STRING,
FLOOR TYPE STRING,
ROOMNUMBER TYPE STRING,
PHONENUMBER TYPE STRING,
MOBILEPHONENUMBER TYPE STRING,
FAXNUMBER TYPE STRING,
EMAILADDRESS TYPE STRING,
BUSINESSPARTNERFOREDIT TYPE STRING,
BUSINESSPARTNER TYPE STRING,
BUSINESSPARTNERPERSONFOREDIT TYPE STRING,
BUSINESSPARTNERPERSON TYPE STRING,
PERSONUUID TYPE STRING,
PHONENUMBERCOUNTRY TYPE STRING,
MOBILEPHONECOUNTRY TYPE STRING,
FAXCOUNTRY TYPE STRING,
FORMOFADDRESS TYPE STRING,
RELATIONSHIPNUMBERFOREDIT TYPE STRING,
RELATIONSHIPNUMBER TYPE STRING,
PHONENUMBEREXTENSION TYPE STRING,
MOBILEPHONENUMBEREXTENSION TYPE STRING,
FAXNUMBEREXTENSION TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_BUPA_CONTACT_S_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_BUPA_CONTACT_S_STR-FIRSTNAME sy-vline 
WA_BUPA_CONTACT_S_STR-LASTNAME sy-vline 
WA_BUPA_CONTACT_S_STR-BIRTHDATE sy-vline 
WA_BUPA_CONTACT_S_STR-CONTACTPERSONFUNCTION sy-vline 
WA_BUPA_CONTACT_S_STR-CONTACTPERSONDEPARTMENT sy-vline 
WA_BUPA_CONTACT_S_STR-BUILDING sy-vline 
WA_BUPA_CONTACT_S_STR-FLOOR sy-vline 
WA_BUPA_CONTACT_S_STR-ROOMNUMBER sy-vline 
WA_BUPA_CONTACT_S_STR-PHONENUMBER sy-vline 
WA_BUPA_CONTACT_S_STR-MOBILEPHONENUMBER sy-vline 
WA_BUPA_CONTACT_S_STR-FAXNUMBER sy-vline 
WA_BUPA_CONTACT_S_STR-EMAILADDRESS sy-vline 
WA_BUPA_CONTACT_S_STR-BUSINESSPARTNERFOREDIT sy-vline 
WA_BUPA_CONTACT_S_STR-BUSINESSPARTNER sy-vline 
WA_BUPA_CONTACT_S_STR-BUSINESSPARTNERPERSONFOREDIT sy-vline 
WA_BUPA_CONTACT_S_STR-BUSINESSPARTNERPERSON sy-vline 
WA_BUPA_CONTACT_S_STR-PERSONUUID sy-vline 
WA_BUPA_CONTACT_S_STR-PHONENUMBERCOUNTRY sy-vline 
WA_BUPA_CONTACT_S_STR-MOBILEPHONECOUNTRY sy-vline 
WA_BUPA_CONTACT_S_STR-FAXCOUNTRY sy-vline 
WA_BUPA_CONTACT_S_STR-FORMOFADDRESS sy-vline 
WA_BUPA_CONTACT_S_STR-RELATIONSHIPNUMBERFOREDIT sy-vline 
WA_BUPA_CONTACT_S_STR-RELATIONSHIPNUMBER sy-vline 
WA_BUPA_CONTACT_S_STR-PHONENUMBEREXTENSION sy-vline 
WA_BUPA_CONTACT_S_STR-MOBILEPHONENUMBEREXTENSION sy-vline 
WA_BUPA_CONTACT_S_STR-FAXNUMBEREXTENSION sy-vline 
WA_BUPA_CONTACT_S_STR-VALIDITYSTARTDATE sy-vline 
WA_BUPA_CONTACT_S_STR-VALIDITYENDDATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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