ABAP Select data from SAP table HREIC_S_EXTENDED_CONTACT_ATTR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HREIC_S_EXTENDED_CONTACT_ATTR
*  INTO TABLE @DATA(IT_HREIC_S_EXTENDED_CONTACT_ATTR2).
*--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_HREIC_S_EXTENDED_CONTACT_ATTR INDEX 1 INTO DATA(WA_HREIC_S_EXTENDED_CONTACT_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HREIC_S_EXTENDED_CONTACT_ATTR>-CHANNEL = 1.
<HREIC_S_EXTENDED_CONTACT_ATTR>-DIRECTION = 1.
<HREIC_S_EXTENDED_CONTACT_ATTR>-CONTACTTYPE = 1.
<HREIC_S_EXTENDED_CONTACT_ATTR>-CONTACTPERSON = 1.
<HREIC_S_EXTENDED_CONTACT_ATTR>-CONTACTNAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HREIC_S_EXTENDED_CONTACT_ATTR-DESCRIPTION, sy-vline,
  WA_HREIC_S_EXTENDED_CONTACT_ATTR-PHONE, sy-vline,
  WA_HREIC_S_EXTENDED_CONTACT_ATTR-FAX, sy-vline,
  WA_HREIC_S_EXTENDED_CONTACT_ATTR-MOBILE, sy-vline,
  WA_HREIC_S_EXTENDED_CONTACT_ATTR-EMAIL, sy-vline,
  WA_HREIC_S_EXTENDED_CONTACT_ATTR-CONTACTDATE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HREIC_S_EXTENDED_CONTACT_ATTR 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_HREIC_S_EXTENDED_CONTACT_ATTR 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_HREIC_S_EXTENDED_CONTACT_ATTR INTO WA_HREIC_S_EXTENDED_CONTACT_ATTR.


*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_HREIC_S_EXTENDED_CONTACT_ATTR-EMAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HREIC_S_EXTENDED_CONTACT_ATTR-EMAIL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit TSTPS, internal->external for field CHANGE_TIME
CALL FUNCTION 'CONVERSION_EXIT_TSTPS_OUTPUT'
  EXPORTING
    input =                      WA_HREIC_S_EXTENDED_CONTACT_ATTR-CHANGE_TIME
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HREIC_S_EXTENDED_CONTACT_ATTR-CHANGE_TIME.
WRITE:/ 'New Value:', ld_input.

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

*Conversion exit ALPHA, internal->external for field PERSNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HREIC_S_EXTENDED_CONTACT_ATTR-PERSNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HREIC_S_EXTENDED_CONTACT_ATTR-PERSNUMBER.
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_HREIC_S_EXTENDED_CONTACT_ATTR_STR, 
CHANNEL TYPE STRING,
DIRECTION TYPE STRING,
CONTACTTYPE TYPE STRING,
CONTACTPERSON TYPE STRING,
CONTACTNAME TYPE STRING,
DESCRIPTION TYPE STRING,
PHONE TYPE STRING,
FAX TYPE STRING,
MOBILE TYPE STRING,
EMAIL TYPE STRING,
CONTACTDATE TYPE STRING,
OBJTYPE TYPE STRING,
OBJECTID TYPE STRING,
NAVIGATION TYPE STRING,
CREATED_BY TYPE STRING,
CREATE_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
CHANGE_TIME TYPE STRING,
ADDRNUMBER TYPE STRING,
PERSNUMBER TYPE STRING,
RELATIONSHIP TYPE STRING,
CHANNELTEXT TYPE STRING,
DIRECTIONTEXT TYPE STRING,
CONTACTTYPETEXT TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HREIC_S_EXTENDED_CONTACT_ATTR_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_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CHANNEL sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-DIRECTION sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CONTACTTYPE sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CONTACTPERSON sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CONTACTNAME sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-DESCRIPTION sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-PHONE sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-FAX sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-MOBILE sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-EMAIL sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CONTACTDATE sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-OBJTYPE sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-OBJECTID sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-NAVIGATION sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CREATED_BY sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CREATE_TIME sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CHANGED_BY sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CHANGE_TIME sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-ADDRNUMBER sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-PERSNUMBER sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-RELATIONSHIP sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CHANNELTEXT sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-DIRECTIONTEXT sy-vline 
WA_HREIC_S_EXTENDED_CONTACT_ATTR_STR-CONTACTTYPETEXT sy-vline      INTO ld_text SEPARATED BY SPACE.

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