ABAP Select data from SAP table HRPAYAT_ELDA_KM_FC_MATCHING into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYAT_ELDA_KM_FC_MATCHING
*  INTO TABLE @DATA(IT_HRPAYAT_ELDA_KM_FC_MATCHING2).
*--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_HRPAYAT_ELDA_KM_FC_MATCHING INDEX 1 INTO DATA(WA_HRPAYAT_ELDA_KM_FC_MATCHING2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYAT_ELDA_KM_FC_MATCHING>-HH = 1.
<HRPAYAT_ELDA_KM_FC_MATCHING>-PERNR = 1.
<HRPAYAT_ELDA_KM_FC_MATCHING>-BEGDA = 1.
<HRPAYAT_ELDA_KM_FC_MATCHING>-STATUS = 1.
<HRPAYAT_ELDA_KM_FC_MATCHING>-ENDDA = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYAT_ELDA_KM_FC_MATCHING-BUKRS, sy-vline,
  WA_HRPAYAT_ELDA_KM_FC_MATCHING-WERKS, sy-vline,
  WA_HRPAYAT_ELDA_KM_FC_MATCHING-PERSG, sy-vline,
  WA_HRPAYAT_ELDA_KM_FC_MATCHING-PERSK, sy-vline,
  WA_HRPAYAT_ELDA_KM_FC_MATCHING-BTRTL, sy-vline,
  WA_HRPAYAT_ELDA_KM_FC_MATCHING-ABKRS, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYAT_ELDA_KM_FC_MATCHING 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_HRPAYAT_ELDA_KM_FC_MATCHING 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_HRPAYAT_ELDA_KM_FC_MATCHING INTO WA_HRPAYAT_ELDA_KM_FC_MATCHING.


*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 ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYAT_ELDA_KM_FC_MATCHING-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYAT_ELDA_KM_FC_MATCHING-KOSTL.
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_HRPAYAT_ELDA_KM_FC_MATCHING_STR, 
HH TYPE STRING,
PERNR TYPE STRING,
BEGDA TYPE STRING,
STATUS TYPE STRING,
ENDDA TYPE STRING,
BUKRS TYPE STRING,
WERKS TYPE STRING,
PERSG TYPE STRING,
PERSK TYPE STRING,
BTRTL TYPE STRING,
ABKRS TYPE STRING,
KOSTL TYPE STRING,
ENAME TYPE STRING,
VTKEN TYPE STRING,
AWART TYPE STRING,
ATEXT TYPE STRING,
ABWTG TYPE STRING,
KBBEG TYPE STRING,
KENN1 TYPE STRING,
KENN2 TYPE STRING,
MART0 TYPE STRING,
AUAB0 TYPE STRING,
AUBI0 TYPE STRING,
FORT0 TYPE STRING,
GRUN0 TYPE STRING,
DETAIL TYPE STRING,
STATUS_ABG TYPE STRING,
FUN01 TYPE STRING,
FUN02 TYPE STRING,
FUN03 TYPE STRING,
FUN04 TYPE STRING,
FUN0A TYPE STRING,
FUN0B TYPE STRING,
STA01 TYPE STRING,
STA02 TYPE STRING,
STA03 TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYAT_ELDA_KM_FC_MATCHING_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_HRPAYAT_ELDA_KM_FC_MATCHING_STR-HH sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-PERNR sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-BEGDA sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-STATUS sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-ENDDA sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-BUKRS sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-WERKS sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-PERSG sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-PERSK sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-BTRTL sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-ABKRS sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-KOSTL sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-ENAME sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-VTKEN sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-AWART sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-ATEXT sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-ABWTG sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-KBBEG sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-KENN1 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-KENN2 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-MART0 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-AUAB0 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-AUBI0 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FORT0 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-GRUN0 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-DETAIL sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-STATUS_ABG sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN01 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN02 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN03 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN04 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN0A sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-FUN0B sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-STA01 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-STA02 sy-vline 
WA_HRPAYAT_ELDA_KM_FC_MATCHING_STR-STA03 sy-vline      INTO ld_text SEPARATED BY SPACE.

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