ABAP Select data from SAP table HRPAYCH_BGAC3_ELM40 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP HRPAYCH_BGAC3_ELM40 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 HRPAYCH_BGAC3_ELM40. 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 HRPAYCH_BGAC3_ELM40 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_HRPAYCH_BGAC3_ELM40 TYPE STANDARD TABLE OF HRPAYCH_BGAC3_ELM40,
      WA_HRPAYCH_BGAC3_ELM40 TYPE HRPAYCH_BGAC3_ELM40,
      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: <HRPAYCH_BGAC3_ELM40> TYPE HRPAYCH_BGAC3_ELM40.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_HRPAYCH_BGAC3_ELM40.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM HRPAYCH_BGAC3_ELM40
  INTO TABLE IT_HRPAYCH_BGAC3_ELM40.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCH_BGAC3_ELM40
*  INTO TABLE @DATA(IT_HRPAYCH_BGAC3_ELM402).
*--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_HRPAYCH_BGAC3_ELM40 INDEX 1 INTO DATA(WA_HRPAYCH_BGAC3_ELM402).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_HRPAYCH_BGAC3_ELM40 ASSIGNING <HRPAYCH_BGAC3_ELM40>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCH_BGAC3_ELM40>-NAHVN = 1.
<HRPAYCH_BGAC3_ELM40>-AUSBILDUNG = 1.
<HRPAYCH_BGAC3_ELM40>-DEGREE = 1.
<HRPAYCH_BGAC3_ELM40>-ENTRYDATE = 1.
<HRPAYCH_BGAC3_ELM40>-STELLUNG = 1.

ENDLOOP.

LOOP AT IT_HRPAYCH_BGAC3_ELM40 INTO WA_HRPAYCH_BGAC3_ELM40.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCH_BGAC3_ELM40-CONTRACTTYPE, sy-vline,
  WA_HRPAYCH_BGAC3_ELM40-WAGECALCTYPE, sy-vline,
  WA_HRPAYCH_BGAC3_ELM40-CONTRACTWORKT, sy-vline,
  WA_HRPAYCH_BGAC3_ELM40-UTILIZATIONGRADE, sy-vline,
  WA_HRPAYCH_BGAC3_ELM40-VACATIONDAYS, sy-vline,
  WA_HRPAYCH_BGAC3_ELM40-BRUTTOOKT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCH_BGAC3_ELM40 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_HRPAYCH_BGAC3_ELM40 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_HRPAYCH_BGAC3_ELM40 INTO WA_HRPAYCH_BGAC3_ELM40.


*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 AHVN2, internal->external for field NAHVN
CALL FUNCTION 'CONVERSION_EXIT_AHVN2_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCH_BGAC3_ELM40-NAHVN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCH_BGAC3_ELM40-NAHVN.
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_HRPAYCH_BGAC3_ELM40_STR, 
NAHVN TYPE STRING,
AUSBILDUNG TYPE STRING,
DEGREE TYPE STRING,
ENTRYDATE TYPE STRING,
STELLUNG TYPE STRING,
CONTRACTTYPE TYPE STRING,
WAGECALCTYPE TYPE STRING,
CONTRACTWORKT TYPE STRING,
UTILIZATIONGRADE TYPE STRING,
VACATIONDAYS TYPE STRING,
BRUTTOOKT TYPE STRING,
ZULAGEOKT TYPE STRING,
FAMZ TYPE STRING,
SOZIALOKT TYPE STRING,
SOZIALOKT_2 TYPE STRING,
ACTIVE_B TYPE STRING,
ACTIVE_E TYPE STRING,
BRUTTO13 TYPE STRING,
UEBERSTDLOHN TYPE STRING,
BRUTTOSONDER_Q TYPE STRING,
BRUTTOSONDER_R TYPE STRING,
BRUTTOSONDER_S TYPE STRING,
BRUTTOSONDER_T TYPE STRING,
EXERCISEDJOB TYPE STRING,
BURNR TYPE STRING,
WAERS TYPE STRING,
PAYTHIRD_OCT TYPE STRING,
PAYTHIRD_YEAR TYPE STRING,
TOTHOURSWORK_OCT TYPE STRING,
TOTHOURSWORK_YEAR TYPE STRING,
TOTLESSWORK_OCT TYPE STRING,
TOTLESSWORK_YEAR TYPE STRING,
BRUTTO_YEAR TYPE STRING,
SOZIAL_YEAR TYPE STRING,
ZULAGE_YEAR TYPE STRING,
FAMZ_YEAR TYPE STRING,
SOZIAL_YEAR_2 TYPE STRING,
ACCTIME_BEGDA TYPE STRING,
ACCTIME_ENDDA TYPE STRING,
PURCHASECONTRIB TYPE STRING,
WORID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCH_BGAC3_ELM40_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_HRPAYCH_BGAC3_ELM40_STR-NAHVN sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-AUSBILDUNG sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-DEGREE sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ENTRYDATE sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-STELLUNG sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-CONTRACTTYPE sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-WAGECALCTYPE sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-CONTRACTWORKT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-UTILIZATIONGRADE sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-VACATIONDAYS sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTOOKT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ZULAGEOKT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-FAMZ sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-SOZIALOKT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-SOZIALOKT_2 sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ACTIVE_B sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ACTIVE_E sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTO13 sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-UEBERSTDLOHN sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTOSONDER_Q sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTOSONDER_R sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTOSONDER_S sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTOSONDER_T sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-EXERCISEDJOB sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BURNR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-WAERS sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-PAYTHIRD_OCT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-PAYTHIRD_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-TOTHOURSWORK_OCT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-TOTHOURSWORK_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-TOTLESSWORK_OCT sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-TOTLESSWORK_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-BRUTTO_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-SOZIAL_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ZULAGE_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-FAMZ_YEAR sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-SOZIAL_YEAR_2 sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ACCTIME_BEGDA sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-ACCTIME_ENDDA sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-PURCHASECONTRIB sy-vline 
WA_HRPAYCH_BGAC3_ELM40_STR-WORID sy-vline      INTO ld_text SEPARATED BY SPACE.

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