ABAP Select data from SAP table IREPOSTGTRMADDL into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM IREPOSTGTRMADDL
*  INTO TABLE @DATA(IT_IREPOSTGTRMADDL2).
*--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_IREPOSTGTRMADDL INDEX 1 INTO DATA(WA_IREPOSTGTRMADDL2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<IREPOSTGTRMADDL>-MANDT = 1.
<IREPOSTGTRMADDL>-INTERNALREALESTATENUMBER = 1.
<IREPOSTGTRMADDL>-RETERMTYPE = 1.
<IREPOSTGTRMADDL>-RETERMNUMBER = 1.
<IREPOSTGTRMADDL>-VALIDITYSTARTDATE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_IREPOSTGTRMADDL-VALIDITYENDDATE, sy-vline,
  WA_IREPOSTGTRMADDL-COMPANYCODE, sy-vline,
  WA_IREPOSTGTRMADDL-COUNTRY, sy-vline,
  WA_IREPOSTGTRMADDL-TAXCALCULATIONPROCEDURE, sy-vline,
  WA_IREPOSTGTRMADDL-HOUSEBANK, sy-vline,
  WA_IREPOSTGTRMADDL-HOUSEBANKACCOUNT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_IREPOSTGTRMADDL 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_IREPOSTGTRMADDL 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_IREPOSTGTRMADDL INTO WA_IREPOSTGTRMADDL.


*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 RETERMNUMBER
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_IREPOSTGTRMADDL-RETERMNUMBER
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_IREPOSTGTRMADDL-RETERMNUMBER.
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_IREPOSTGTRMADDL_STR, 
MANDT TYPE STRING,
INTERNALREALESTATENUMBER TYPE STRING,
RETERMTYPE TYPE STRING,
RETERMNUMBER TYPE STRING,
VALIDITYSTARTDATE TYPE STRING,
VALIDITYENDDATE TYPE STRING,
COMPANYCODE TYPE STRING,
COUNTRY TYPE STRING,
TAXCALCULATIONPROCEDURE TYPE STRING,
HOUSEBANK TYPE STRING,
HOUSEBANKACCOUNT TYPE STRING,
DUNNINGAREA TYPE STRING,
PAYMENTMETHOD TYPE STRING,
RETAXTYPE TYPE STRING,
TAXJURISDICTION TYPE STRING,
REENTRYVALIDITY TYPE STRING,
REENTRYVALIDITYCRITICALITY TYPE STRING,END OF T_EKKO_STR.
DATA: WA_IREPOSTGTRMADDL_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_IREPOSTGTRMADDL_STR-MANDT sy-vline 
WA_IREPOSTGTRMADDL_STR-INTERNALREALESTATENUMBER sy-vline 
WA_IREPOSTGTRMADDL_STR-RETERMTYPE sy-vline 
WA_IREPOSTGTRMADDL_STR-RETERMNUMBER sy-vline 
WA_IREPOSTGTRMADDL_STR-VALIDITYSTARTDATE sy-vline 
WA_IREPOSTGTRMADDL_STR-VALIDITYENDDATE sy-vline 
WA_IREPOSTGTRMADDL_STR-COMPANYCODE sy-vline 
WA_IREPOSTGTRMADDL_STR-COUNTRY sy-vline 
WA_IREPOSTGTRMADDL_STR-TAXCALCULATIONPROCEDURE sy-vline 
WA_IREPOSTGTRMADDL_STR-HOUSEBANK sy-vline 
WA_IREPOSTGTRMADDL_STR-HOUSEBANKACCOUNT sy-vline 
WA_IREPOSTGTRMADDL_STR-DUNNINGAREA sy-vline 
WA_IREPOSTGTRMADDL_STR-PAYMENTMETHOD sy-vline 
WA_IREPOSTGTRMADDL_STR-RETAXTYPE sy-vline 
WA_IREPOSTGTRMADDL_STR-TAXJURISDICTION sy-vline 
WA_IREPOSTGTRMADDL_STR-REENTRYVALIDITY sy-vline 
WA_IREPOSTGTRMADDL_STR-REENTRYVALIDITYCRITICALITY sy-vline      INTO ld_text SEPARATED BY SPACE.

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