ABAP Select data from SAP table RCF_S_HI_CAND_WORKEXP_W_DESC 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_CAND_WORKEXP_W_DESC 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_CAND_WORKEXP_W_DESC. 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_CAND_WORKEXP_W_DESC 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_CAND_WORKEXP_W_DESC TYPE STANDARD TABLE OF RCF_S_HI_CAND_WORKEXP_W_DESC,
      WA_RCF_S_HI_CAND_WORKEXP_W_DESC TYPE RCF_S_HI_CAND_WORKEXP_W_DESC,
      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_CAND_WORKEXP_W_DESC> TYPE RCF_S_HI_CAND_WORKEXP_W_DESC.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RCF_S_HI_CAND_WORKEXP_W_DESC
*  INTO TABLE @DATA(IT_RCF_S_HI_CAND_WORKEXP_W_DESC2).
*--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_CAND_WORKEXP_W_DESC INDEX 1 INTO DATA(WA_RCF_S_HI_CAND_WORKEXP_W_DESC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RCF_S_HI_CAND_WORKEXP_W_DESC>-MANDT = 1.
<RCF_S_HI_CAND_WORKEXP_W_DESC>-PLVAR = 1.
<RCF_S_HI_CAND_WORKEXP_W_DESC>-OTYPE = 1.
<RCF_S_HI_CAND_WORKEXP_W_DESC>-OBJID = 1.
<RCF_S_HI_CAND_WORKEXP_W_DESC>-INFTY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RCF_S_HI_CAND_WORKEXP_W_DESC-SUBTY, sy-vline,
  WA_RCF_S_HI_CAND_WORKEXP_W_DESC-ISTAT, sy-vline,
  WA_RCF_S_HI_CAND_WORKEXP_W_DESC-PRIOX, sy-vline,
  WA_RCF_S_HI_CAND_WORKEXP_W_DESC-BEGDA, sy-vline,
  WA_RCF_S_HI_CAND_WORKEXP_W_DESC-ENDDA, sy-vline,
  WA_RCF_S_HI_CAND_WORKEXP_W_DESC-VARYF, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RCF_S_HI_CAND_WORKEXP_W_DESC 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_CAND_WORKEXP_W_DESC 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_CAND_WORKEXP_W_DESC INTO WA_RCF_S_HI_CAND_WORKEXP_W_DESC.


*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 DOC_LANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_RCF_S_HI_CAND_WORKEXP_W_DESC-DOC_LANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RCF_S_HI_CAND_WORKEXP_W_DESC-DOC_LANGU.
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_CAND_WORKEXP_W_DESC_STR, 
MANDT TYPE STRING,
PLVAR TYPE STRING,
OTYPE TYPE STRING,
OBJID TYPE STRING,
INFTY TYPE STRING,
SUBTY TYPE STRING,
ISTAT TYPE STRING,
PRIOX TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
VARYF TYPE STRING,
SEQNR TYPE STRING,
AEDTM TYPE STRING,
UNAME TYPE STRING,
REASN TYPE STRING,
HISTO TYPE STRING,
ITXNR TYPE STRING,
EMPLOYER TYPE STRING,
CITY TYPE STRING,
REGION TYPE STRING,
COUNTRY TYPE STRING,
INDUSTRY TYPE STRING,
FUNCTIONAL_AREA TYPE STRING,
HIERARCHY_LEVEL TYPE STRING,
SPAN_OF_CONTROL TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
DESCRIPTION TYPE STRING,
WORKING_TIME TYPE STRING,
CONTRACT_TYPE TYPE STRING,
JOB_TITEL TYPE STRING,
CONTRACT_TXT TYPE STRING,
FUNCTIONAL_AREA_TXT TYPE STRING,
HIERARCHY_TXT TYPE STRING,
INDUSTRY_TXT TYPE STRING,
COUNTRY_TXT TYPE STRING,
REGION_TXT TYPE STRING,
DESCRIPTION_TXT TYPE STRING,
DOC_LANGU TYPE STRING,
LANGU_TAB TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RCF_S_HI_CAND_WORKEXP_W_DESC_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_CAND_WORKEXP_W_DESC_STR-MANDT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-PLVAR sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-OTYPE sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-OBJID sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-INFTY sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-SUBTY sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-ISTAT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-PRIOX sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-BEGDA sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-ENDDA sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-VARYF sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-SEQNR sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-AEDTM sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-UNAME sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-REASN sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-HISTO sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-ITXNR sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-EMPLOYER sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-CITY sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-REGION sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-COUNTRY sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-INDUSTRY sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-FUNCTIONAL_AREA sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-HIERARCHY_LEVEL sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-SPAN_OF_CONTROL sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-START_DATE sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-END_DATE sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-DESCRIPTION sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-WORKING_TIME sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-CONTRACT_TYPE sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-JOB_TITEL sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-CONTRACT_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-FUNCTIONAL_AREA_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-HIERARCHY_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-INDUSTRY_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-COUNTRY_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-REGION_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-DESCRIPTION_TXT sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-DOC_LANGU sy-vline 
WA_RCF_S_HI_CAND_WORKEXP_W_DESC_STR-LANGU_TAB sy-vline      INTO ld_text SEPARATED BY SPACE.

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