ABAP Select data from SAP table ICODIANEMPLPAYR into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM ICODIANEMPLPAYR
*  INTO TABLE @DATA(IT_ICODIANEMPLPAYR2).
*--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_ICODIANEMPLPAYR INDEX 1 INTO DATA(WA_ICODIANEMPLPAYR2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<ICODIANEMPLPAYR>-MANDT = 1.
<ICODIANEMPLPAYR>-COMPANYCODE = 1.
<ICODIANEMPLPAYR>-PAYROLLYEAR = 1.
<ICODIANEMPLPAYR>-CO_DIANREPORTFORMAT = 1.
<ICODIANEMPLPAYR>-CO_DIANREPORTITEMTYPE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_ICODIANEMPLPAYR-CO_DIANTAXNUMBERTYPE, sy-vline,
  WA_ICODIANEMPLPAYR-TAXNUMBER1, sy-vline,
  WA_ICODIANEMPLPAYR-CREATIONUTCDATETIME, sy-vline,
  WA_ICODIANEMPLPAYR-FIRSTNAME, sy-vline,
  WA_ICODIANEMPLPAYR-MIDDLENAME, sy-vline,
  WA_ICODIANEMPLPAYR-LASTNAME, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_ICODIANEMPLPAYR 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_ICODIANEMPLPAYR 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_ICODIANEMPLPAYR INTO WA_ICODIANEMPLPAYR.


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

*Conversion exit ALPHA, internal->external for field CITYCODE
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_ICODIANEMPLPAYR-CITYCODE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_ICODIANEMPLPAYR-CITYCODE.
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_ICODIANEMPLPAYR_STR, 
MANDT TYPE STRING,
COMPANYCODE TYPE STRING,
PAYROLLYEAR TYPE STRING,
CO_DIANREPORTFORMAT TYPE STRING,
CO_DIANREPORTITEMTYPE TYPE STRING,
CO_DIANTAXNUMBERTYPE TYPE STRING,
TAXNUMBER1 TYPE STRING,
CREATIONUTCDATETIME TYPE STRING,
FIRSTNAME TYPE STRING,
MIDDLENAME TYPE STRING,
LASTNAME TYPE STRING,
ADDITIONALLASTNAME TYPE STRING,
COUNTRY TYPE STRING,
STREETNAME TYPE STRING,
CITYCODE TYPE STRING,
REGION TYPE STRING,
CO_DIANPYRLITEMTYPEBASEAMT TYPE STRING,
CO_DIANPYRLITEMTYPEBASEAMTCRCY TYPE STRING,
CO_DIANPYRLITMTYPECALCDAMT TYPE STRING,
CO_DIANPYRLITMTYPECALCDAMTCRCY TYPE STRING,
CREATEDBYUSER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_ICODIANEMPLPAYR_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_ICODIANEMPLPAYR_STR-MANDT sy-vline 
WA_ICODIANEMPLPAYR_STR-COMPANYCODE sy-vline 
WA_ICODIANEMPLPAYR_STR-PAYROLLYEAR sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANREPORTFORMAT sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANREPORTITEMTYPE sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANTAXNUMBERTYPE sy-vline 
WA_ICODIANEMPLPAYR_STR-TAXNUMBER1 sy-vline 
WA_ICODIANEMPLPAYR_STR-CREATIONUTCDATETIME sy-vline 
WA_ICODIANEMPLPAYR_STR-FIRSTNAME sy-vline 
WA_ICODIANEMPLPAYR_STR-MIDDLENAME sy-vline 
WA_ICODIANEMPLPAYR_STR-LASTNAME sy-vline 
WA_ICODIANEMPLPAYR_STR-ADDITIONALLASTNAME sy-vline 
WA_ICODIANEMPLPAYR_STR-COUNTRY sy-vline 
WA_ICODIANEMPLPAYR_STR-STREETNAME sy-vline 
WA_ICODIANEMPLPAYR_STR-CITYCODE sy-vline 
WA_ICODIANEMPLPAYR_STR-REGION sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANPYRLITEMTYPEBASEAMT sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANPYRLITEMTYPEBASEAMTCRCY sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANPYRLITMTYPECALCDAMT sy-vline 
WA_ICODIANEMPLPAYR_STR-CO_DIANPYRLITMTYPECALCDAMTCRCY sy-vline 
WA_ICODIANEMPLPAYR_STR-CREATEDBYUSER sy-vline      INTO ld_text SEPARATED BY SPACE.

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