ABAP Select data from SAP table HRPAYCN_GA_ITEM into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM HRPAYCN_GA_ITEM
*  INTO TABLE @DATA(IT_HRPAYCN_GA_ITEM2).
*--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_HRPAYCN_GA_ITEM INDEX 1 INTO DATA(WA_HRPAYCN_GA_ITEM2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<HRPAYCN_GA_ITEM>-BUKRS = 1.
<HRPAYCN_GA_ITEM>-COUNTER4 = 1.
<HRPAYCN_GA_ITEM>-COUNTER2 = 1.
<HRPAYCN_GA_ITEM>-COUNTER1 = 1.
<HRPAYCN_GA_ITEM>-COUNTER3 = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_HRPAYCN_GA_ITEM-PABRJ, sy-vline,
  WA_HRPAYCN_GA_ITEM-PABRP, sy-vline,
  WA_HRPAYCN_GA_ITEM-BEGDA, sy-vline,
  WA_HRPAYCN_GA_ITEM-ENDDA, sy-vline,
  WA_HRPAYCN_GA_ITEM-ABKTX, sy-vline,
  WA_HRPAYCN_GA_ITEM-LGART, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_HRPAYCN_GA_ITEM 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_HRPAYCN_GA_ITEM 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_HRPAYCN_GA_ITEM INTO WA_HRPAYCN_GA_ITEM.


*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 COUNTER4
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-COUNTER4
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-COUNTER4.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COUNTER2
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-COUNTER2
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-COUNTER2.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COUNTER1
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-COUNTER1
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-COUNTER1.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field COUNTER3
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-COUNTER3
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-COUNTER3.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PABRJ
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-PABRJ
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-PABRJ.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KOSTL
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-KOSTL
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-KOSTL.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PABRJED
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-PABRJED
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-PABRJED.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field FISYR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-FISYR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-FISYR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field PABRJSD
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_HRPAYCN_GA_ITEM-PABRJSD
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_HRPAYCN_GA_ITEM-PABRJSD.
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_HRPAYCN_GA_ITEM_STR, 
BUKRS TYPE STRING,
COUNTER4 TYPE STRING,
COUNTER2 TYPE STRING,
COUNTER1 TYPE STRING,
COUNTER3 TYPE STRING,
PABRJ TYPE STRING,
PABRP TYPE STRING,
BEGDA TYPE STRING,
ENDDA TYPE STRING,
ABKTX TYPE STRING,
LGART TYPE STRING,
LGTXT TYPE STRING,
PERNR TYPE STRING,
PKTXT TYPE STRING,
KOSTL TYPE STRING,
ABKTXED TYPE STRING,
PABRJED TYPE STRING,
PABRPED TYPE STRING,
FISYR TYPE STRING,
FISPD TYPE STRING,
WAERS TYPE STRING,
PERNRSD TYPE STRING,
ABKTXSD TYPE STRING,
PABRJSD TYPE STRING,
PABRPSD TYPE STRING,
LGARTSD TYPE STRING,
LGARTST TYPE STRING,
BETRG TYPE STRING,END OF T_EKKO_STR.
DATA: WA_HRPAYCN_GA_ITEM_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_HRPAYCN_GA_ITEM_STR-BUKRS sy-vline 
WA_HRPAYCN_GA_ITEM_STR-COUNTER4 sy-vline 
WA_HRPAYCN_GA_ITEM_STR-COUNTER2 sy-vline 
WA_HRPAYCN_GA_ITEM_STR-COUNTER1 sy-vline 
WA_HRPAYCN_GA_ITEM_STR-COUNTER3 sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRJ sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRP sy-vline 
WA_HRPAYCN_GA_ITEM_STR-BEGDA sy-vline 
WA_HRPAYCN_GA_ITEM_STR-ENDDA sy-vline 
WA_HRPAYCN_GA_ITEM_STR-ABKTX sy-vline 
WA_HRPAYCN_GA_ITEM_STR-LGART sy-vline 
WA_HRPAYCN_GA_ITEM_STR-LGTXT sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PERNR sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PKTXT sy-vline 
WA_HRPAYCN_GA_ITEM_STR-KOSTL sy-vline 
WA_HRPAYCN_GA_ITEM_STR-ABKTXED sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRJED sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRPED sy-vline 
WA_HRPAYCN_GA_ITEM_STR-FISYR sy-vline 
WA_HRPAYCN_GA_ITEM_STR-FISPD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-WAERS sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PERNRSD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-ABKTXSD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRJSD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-PABRPSD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-LGARTSD sy-vline 
WA_HRPAYCN_GA_ITEM_STR-LGARTST sy-vline 
WA_HRPAYCN_GA_ITEM_STR-BETRG sy-vline      INTO ld_text SEPARATED BY SPACE.

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