ABAP Select data from SAP table PESSRTXITMGRP10 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP PESSRTXITMGRP10 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 PESSRTXITMGRP10. 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 PESSRTXITMGRP10 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_PESSRTXITMGRP10 TYPE STANDARD TABLE OF PESSRTXITMGRP10,
      WA_PESSRTXITMGRP10 TYPE PESSRTXITMGRP10,
      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: <PESSRTXITMGRP10> TYPE PESSRTXITMGRP10.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_PESSRTXITMGRP10.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM PESSRTXITMGRP10
  INTO TABLE IT_PESSRTXITMGRP10.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM PESSRTXITMGRP10
*  INTO TABLE @DATA(IT_PESSRTXITMGRP102).
*--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_PESSRTXITMGRP10 INDEX 1 INTO DATA(WA_PESSRTXITMGRP102).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_PESSRTXITMGRP10 ASSIGNING <PESSRTXITMGRP10>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<PESSRTXITMGRP10>-MANDT = 1.
<PESSRTXITMGRP10>-COUNTRY = 1.
<PESSRTXITMGRP10>-TAXITEMGROUPINGVERSION = 1.
<PESSRTXITMGRP10>-TAXCODE = 1.
<PESSRTXITMGRP10>-TRANSACTIONTYPEDETERMINATION = 1.

ENDLOOP.

LOOP AT IT_PESSRTXITMGRP10 INTO WA_PESSRTXITMGRP10.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_PESSRTXITMGRP10-DEBITCREDITCODE, sy-vline,
  WA_PESSRTXITMGRP10-TAXBOX, sy-vline,
  WA_PESSRTXITMGRP10-TAXDECLNAMOUNTTYPE, sy-vline,
  WA_PESSRTXITMGRP10-ACCOUNTINGDOCUMENTTYPE, sy-vline,
  WA_PESSRTXITMGRP10-SUPPLIERACCOUNTGROUP, sy-vline,
ENDLOOP.
   
*Add any further fields from structure WA_PESSRTXITMGRP10 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_PESSRTXITMGRP10 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_PESSRTXITMGRP10 INTO WA_PESSRTXITMGRP10.


*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.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_PESSRTXITMGRP10_STR, 
MANDT TYPE STRING,
COUNTRY TYPE STRING,
TAXITEMGROUPINGVERSION TYPE STRING,
TAXCODE TYPE STRING,
TRANSACTIONTYPEDETERMINATION TYPE STRING,
DEBITCREDITCODE TYPE STRING,
TAXBOX TYPE STRING,
TAXDECLNAMOUNTTYPE TYPE STRING,
ACCOUNTINGDOCUMENTTYPE TYPE STRING,
SUPPLIERACCOUNTGROUP TYPE STRING,END OF T_EKKO_STR.
DATA: WA_PESSRTXITMGRP10_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_PESSRTXITMGRP10_STR-MANDT sy-vline 
WA_PESSRTXITMGRP10_STR-COUNTRY sy-vline 
WA_PESSRTXITMGRP10_STR-TAXITEMGROUPINGVERSION sy-vline 
WA_PESSRTXITMGRP10_STR-TAXCODE sy-vline 
WA_PESSRTXITMGRP10_STR-TRANSACTIONTYPEDETERMINATION sy-vline 
WA_PESSRTXITMGRP10_STR-DEBITCREDITCODE sy-vline 
WA_PESSRTXITMGRP10_STR-TAXBOX sy-vline 
WA_PESSRTXITMGRP10_STR-TAXDECLNAMOUNTTYPE sy-vline 
WA_PESSRTXITMGRP10_STR-ACCOUNTINGDOCUMENTTYPE sy-vline 
WA_PESSRTXITMGRP10_STR-SUPPLIERACCOUNTGROUP sy-vline      INTO ld_text SEPARATED BY SPACE.

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