ABAP Select data from SAP table /NAKISA/HRTMC_S_COMPETENCY_MOD into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /NAKISA/HRTMC_S_COMPETENCY_MOD 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 /NAKISA/HRTMC_S_COMPETENCY_MOD. 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 /NAKISA/HRTMC_S_COMPETENCY_MOD 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_/NAKISA/HRTMC_S_COMPETENCY_MOD TYPE STANDARD TABLE OF /NAKISA/HRTMC_S_COMPETENCY_MOD,
      WA_/NAKISA/HRTMC_S_COMPETENCY_MOD TYPE /NAKISA/HRTMC_S_COMPETENCY_MOD,
      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: </NAKISA/HRTMC_S_COMPETENCY_MOD> TYPE /NAKISA/HRTMC_S_COMPETENCY_MOD.

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

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /NAKISA/HRTMC_S_COMPETENCY_MOD
  INTO TABLE IT_/NAKISA/HRTMC_S_COMPETENCY_MOD.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /NAKISA/HRTMC_S_COMPETENCY_MOD
*  INTO TABLE @DATA(IT_/NAKISA/HRTMC_S_COMPETENCY_MOD2).
*--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_/NAKISA/HRTMC_S_COMPETENCY_MOD INDEX 1 INTO DATA(WA_/NAKISA/HRTMC_S_COMPETENCY_MOD2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/NAKISA/HRTMC_S_COMPETENCY_MOD ASSIGNING </NAKISA/HRTMC_S_COMPETENCY_MOD>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</NAKISA/HRTMC_S_COMPETENCY_MOD>-CHANGE_STATE_ID = 1.
</NAKISA/HRTMC_S_COMPETENCY_MOD>-VALIDITY_PERIOD = 1.
</NAKISA/HRTMC_S_COMPETENCY_MOD>-START_DATE = 1.
</NAKISA/HRTMC_S_COMPETENCY_MOD>-END_DATE = 1.
</NAKISA/HRTMC_S_COMPETENCY_MOD>-MANDT = 1.

ENDLOOP.

LOOP AT IT_/NAKISA/HRTMC_S_COMPETENCY_MOD INTO WA_/NAKISA/HRTMC_S_COMPETENCY_MOD.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-PLVAR, sy-vline,
  WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-OTYPE, sy-vline,
  WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-OBJID, sy-vline,
  WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-INFTY, sy-vline,
  WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-SUBTY, sy-vline,
  WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-ISTAT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/NAKISA/HRTMC_S_COMPETENCY_MOD 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_/NAKISA/HRTMC_S_COMPETENCY_MOD 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_/NAKISA/HRTMC_S_COMPETENCY_MOD INTO WA_/NAKISA/HRTMC_S_COMPETENCY_MOD.


*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 SOBID_TLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-SOBID_TLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-SOBID_TLANGU.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ISOLA, internal->external for field INHER_TLANGU
CALL FUNCTION 'CONVERSION_EXIT_ISOLA_OUTPUT'
  EXPORTING
    input =                      WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-INHER_TLANGU
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/NAKISA/HRTMC_S_COMPETENCY_MOD-INHER_TLANGU.
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_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR, 
CHANGE_STATE_ID TYPE STRING,
VALIDITY_PERIOD TYPE STRING,
START_DATE TYPE STRING,
END_DATE TYPE STRING,
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,
SCLAS TYPE STRING,
SOBID TYPE STRING,
PROZT TYPE STRING,
SOBID_SHORT TYPE STRING,
SOBID_STEXT TYPE STRING,
SOBID_TLANGU TYPE STRING,
CHARA TYPE STRING,
EXPER TYPE STRING,
PROFC_TEXT TYPE STRING,
ESSENTIAL TYPE STRING,
NOT_RATED TYPE STRING,
SBEGD TYPE STRING,
SENDD TYPE STRING,
INHER_TYPE TYPE STRING,
INHER_ID TYPE STRING,
INHER_SHORT TYPE STRING,
INHER_STEXT TYPE STRING,
INHER_TLANGU TYPE STRING,
CLASS_ID TYPE STRING,
CLASS_TEXT TYPE STRING,
SCALE_ID TYPE STRING,
SCALE_TEXT TYPE STRING,
CATEGORY TYPE STRING,
CATEGORY_NAME TYPE STRING,
SEARCH_FLAG TYPE STRING,
PRFMATCH_FLAG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_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_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CHANGE_STATE_ID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-VALIDITY_PERIOD sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-START_DATE sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-END_DATE sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-MANDT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-PLVAR sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-OTYPE sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-OBJID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INFTY sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SUBTY sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-ISTAT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-PRIOX sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-BEGDA sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-ENDDA sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-VARYF sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SEQNR sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SCLAS sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SOBID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-PROZT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SOBID_SHORT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SOBID_STEXT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SOBID_TLANGU sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CHARA sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-EXPER sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-PROFC_TEXT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-ESSENTIAL sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-NOT_RATED sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SBEGD sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SENDD sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INHER_TYPE sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INHER_ID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INHER_SHORT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INHER_STEXT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-INHER_TLANGU sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CLASS_ID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CLASS_TEXT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SCALE_ID sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SCALE_TEXT sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CATEGORY sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-CATEGORY_NAME sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-SEARCH_FLAG sy-vline 
WA_/NAKISA/HRTMC_S_COMPETENCY_MOD_STR-PRFMATCH_FLAG sy-vline      INTO ld_text SEPARATED BY SPACE.

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