ABAP Select data from SAP table RCF_S_HI_CANDIDATE_ATTR into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP RCF_S_HI_CANDIDATE_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 RCF_S_HI_CANDIDATE_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 RCF_S_HI_CANDIDATE_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_RCF_S_HI_CANDIDATE_ATTR TYPE STANDARD TABLE OF RCF_S_HI_CANDIDATE_ATTR,
      WA_RCF_S_HI_CANDIDATE_ATTR TYPE RCF_S_HI_CANDIDATE_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: <RCF_S_HI_CANDIDATE_ATTR> TYPE RCF_S_HI_CANDIDATE_ATTR.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_HI_CANDIDATE_ATTR
*  INTO TABLE @DATA(IT_RCF_S_HI_CANDIDATE_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_RCF_S_HI_CANDIDATE_ATTR INDEX 1 INTO DATA(WA_RCF_S_HI_CANDIDATE_ATTR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_HI_CANDIDATE_ATTR>-CANDIDATE_OBJ = 1.
<RCF_S_HI_CANDIDATE_ATTR>-PLVAR = 1.
<RCF_S_HI_CANDIDATE_ATTR>-OTYPE = 1.
<RCF_S_HI_CANDIDATE_ATTR>-OBJID = 1.
<RCF_S_HI_CANDIDATE_ATTR>-CANDIDACY_OBJ = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_HI_CANDIDATE_ATTR-PLVAR, sy-vline,
  WA_RCF_S_HI_CANDIDATE_ATTR-OTYPE, sy-vline,
  WA_RCF_S_HI_CANDIDATE_ATTR-OBJID, sy-vline,
  WA_RCF_S_HI_CANDIDATE_ATTR-EMPLOYEE_ID, sy-vline,
  WA_RCF_S_HI_CANDIDATE_ATTR-FORMER_ID, sy-vline,
  WA_RCF_S_HI_CANDIDATE_ATTR-FIRSTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_HI_CANDIDATE_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_RCF_S_HI_CANDIDATE_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_RCF_S_HI_CANDIDATE_ATTR INTO WA_RCF_S_HI_CANDIDATE_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 ISOLA, internal->external for field CORRESPONDLANGUAGE
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_HI_CANDIDATE_ATTR-CORRESPONDLANGUAGE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_HI_CANDIDATE_ATTR-CORRESPONDLANGUAGE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit SXIDN, internal->external for field E_MAIL
CALL FUNCTION 'CONVERSION_EXIT_SXIDN_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_HI_CANDIDATE_ATTR-E_MAIL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_HI_CANDIDATE_ATTR-E_MAIL.
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_RCF_S_HI_CANDIDATE_ATTR_STR, 
CANDIDATE_OBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
CANDIDACY_OBJ TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
EMPLOYEE_ID TYPE STRING,
FORMER_ID TYPE STRING,
FIRSTNAME TYPE STRING,
LASTNAME TYPE STRING,
BIRTHNAME TYPE STRING,
MIDDLENAME TYPE STRING,
SECONDNAME TYPE STRING,
TITLE_ACA1 TYPE STRING,
TITLE_ACA2 TYPE STRING,
TITLE_SPPL TYPE STRING,
PREFIX1 TYPE STRING,
PREFIX2 TYPE STRING,
NICKNAME TYPE STRING,
INITIALS TYPE STRING,
NAMEFORMAT TYPE STRING,
NAMCOUNTRY TYPE STRING,
NAMCOUNTRYISO TYPE STRING,
SEX TYPE STRING,
BIRTHPLACE TYPE STRING,
BIRTHDATE TYPE STRING,
DEATHDATE TYPE STRING,
MARITALSTATUS TYPE STRING,
CORRESPONDLANGUAGE TYPE STRING,
CORRESPONDLANGUAGEISO TYPE STRING,
FULLNAME TYPE STRING,
EMPLOYER TYPE STRING,
OCCUPATION TYPE STRING,
NATIONALITY TYPE STRING,
NATIONALITYISO TYPE STRING,
COUNTRYORIGIN TYPE STRING,
EMAIL TYPE STRING,
CHANNEL TYPE STRING,
AVAILABILITY TYPE STRING,
STD_NO TYPE STRING,
E_MAIL TYPE STRING,
EMAIL_SRCH TYPE STRING,
STD_RECIP TYPE STRING,
R_3_USER TYPE STRING,
ENCODE TYPE STRING,
TNEF TYPE STRING,
HOME_FLAG TYPE STRING,
CONSNUMBER TYPE STRING,
ERRORFLAG TYPE STRING,
FLG_NOUSE TYPE STRING,
VALID_FROM TYPE STRING,
VALID_TO TYPE STRING,
COMM_NOTES TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_HI_CANDIDATE_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_RCF_S_HI_CANDIDATE_ATTR_STR-CANDIDATE_OBJ sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-PLVAR sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-OTYPE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-OBJID sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-CANDIDACY_OBJ sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-PLVAR sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-OTYPE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-OBJID sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-EMPLOYEE_ID sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-FORMER_ID sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-FIRSTNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-LASTNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-BIRTHNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-MIDDLENAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-SECONDNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-TITLE_ACA1 sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-TITLE_ACA2 sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-TITLE_SPPL sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-PREFIX1 sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-PREFIX2 sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NICKNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-INITIALS sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NAMEFORMAT sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NAMCOUNTRY sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NAMCOUNTRYISO sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-SEX sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-BIRTHPLACE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-BIRTHDATE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-DEATHDATE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-MARITALSTATUS sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-CORRESPONDLANGUAGE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-CORRESPONDLANGUAGEISO sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-FULLNAME sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-EMPLOYER sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-OCCUPATION sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NATIONALITY sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-NATIONALITYISO sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-COUNTRYORIGIN sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-EMAIL sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-CHANNEL sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-AVAILABILITY sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-STD_NO sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-E_MAIL sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-EMAIL_SRCH sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-STD_RECIP sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-R_3_USER sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-ENCODE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-TNEF sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-HOME_FLAG sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-CONSNUMBER sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-ERRORFLAG sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-FLG_NOUSE sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-VALID_FROM sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-VALID_TO sy-vline 
WA_RCF_S_HI_CANDIDATE_ATTR_STR-COMM_NOTES sy-vline      INTO ld_text SEPARATED BY SPACE.

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