ABAP Select data from SAP table /1CN/ATXSAPX0103 into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP /1CN/ATXSAPX0103 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 /1CN/ATXSAPX0103. 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 /1CN/ATXSAPX0103 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_/1CN/ATXSAPX0103 TYPE STANDARD TABLE OF /1CN/ATXSAPX0103,
      WA_/1CN/ATXSAPX0103 TYPE /1CN/ATXSAPX0103,
      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: </1CN/ATXSAPX0103> TYPE /1CN/ATXSAPX0103.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_/1CN/ATXSAPX0103.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM /1CN/ATXSAPX0103
  INTO TABLE IT_/1CN/ATXSAPX0103.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM /1CN/ATXSAPX0103
*  INTO TABLE @DATA(IT_/1CN/ATXSAPX01032).
*--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_/1CN/ATXSAPX0103 INDEX 1 INTO DATA(WA_/1CN/ATXSAPX01032).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_/1CN/ATXSAPX0103 ASSIGNING </1CN/ATXSAPX0103>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
</1CN/ATXSAPX0103>-CLIENT = 1.
</1CN/ATXSAPX0103>-COUNTRY_TX = 1.
</1CN/ATXSAPX0103>-TX_SUPPLIER_ID = 1.
</1CN/ATXSAPX0103>-PARTNER_ID_TT = 1.
</1CN/ATXSAPX0103>-PRTXGRP = 1.

ENDLOOP.

LOOP AT IT_/1CN/ATXSAPX0103 INTO WA_/1CN/ATXSAPX0103.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_/1CN/ATXSAPX0103-KSCHL, sy-vline,
  WA_/1CN/ATXSAPX0103-OBJECT_ID, sy-vline,
  WA_/1CN/ATXSAPX0103-TIMESTAMP_TO, sy-vline,
  WA_/1CN/ATXSAPX0103-RELEASE_STATUS, sy-vline,
  WA_/1CN/ATXSAPX0103-KOPOS, sy-vline,
  WA_/1CN/ATXSAPX0103-CREATED_ON, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_/1CN/ATXSAPX0103 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_/1CN/ATXSAPX0103 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_/1CN/ATXSAPX0103 INTO WA_/1CN/ATXSAPX0103.


*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 CUNIT, internal->external for field KMEIN
CALL FUNCTION 'CONVERSION_EXIT_CUNIT_OUTPUT'
  EXPORTING
    input =                      WA_/1CN/ATXSAPX0103-KMEIN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_/1CN/ATXSAPX0103-KMEIN.
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_/1CN/ATXSAPX0103_STR, 
CLIENT TYPE STRING,
COUNTRY_TX TYPE STRING,
TX_SUPPLIER_ID TYPE STRING,
PARTNER_ID_TT TYPE STRING,
PRTXGRP TYPE STRING,
KSCHL TYPE STRING,
OBJECT_ID TYPE STRING,
TIMESTAMP_TO TYPE STRING,
RELEASE_STATUS TYPE STRING,
KOPOS TYPE STRING,
CREATED_ON TYPE STRING,
VARNUMH TYPE STRING,
TIMESTAMP_FROM TYPE STRING,
KSCHL_SUPP TYPE STRING,
COND_GROUP_ID TYPE STRING,
MAINT_STATUS TYPE STRING,
CREATED_BY TYPE STRING,
SUPP_EXIST TYPE STRING,
SCALE_DIM TYPE STRING,
KBETR TYPE STRING,
KPEIN TYPE STRING,
KMEIN TYPE STRING,
KONWA TYPE STRING,
KRECH TYPE STRING,
TAXTYP TYPE STRING,
TX_TAX_RATE_ID TYPE STRING,
AUTHORITYID TYPE STRING,
LICENSE TYPE STRING,
REASONCODE TYPE STRING,
TX_ISSUE_DATE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_/1CN/ATXSAPX0103_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_/1CN/ATXSAPX0103_STR-CLIENT sy-vline 
WA_/1CN/ATXSAPX0103_STR-COUNTRY_TX sy-vline 
WA_/1CN/ATXSAPX0103_STR-TX_SUPPLIER_ID sy-vline 
WA_/1CN/ATXSAPX0103_STR-PARTNER_ID_TT sy-vline 
WA_/1CN/ATXSAPX0103_STR-PRTXGRP sy-vline 
WA_/1CN/ATXSAPX0103_STR-KSCHL sy-vline 
WA_/1CN/ATXSAPX0103_STR-OBJECT_ID sy-vline 
WA_/1CN/ATXSAPX0103_STR-TIMESTAMP_TO sy-vline 
WA_/1CN/ATXSAPX0103_STR-RELEASE_STATUS sy-vline 
WA_/1CN/ATXSAPX0103_STR-KOPOS sy-vline 
WA_/1CN/ATXSAPX0103_STR-CREATED_ON sy-vline 
WA_/1CN/ATXSAPX0103_STR-VARNUMH sy-vline 
WA_/1CN/ATXSAPX0103_STR-TIMESTAMP_FROM sy-vline 
WA_/1CN/ATXSAPX0103_STR-KSCHL_SUPP sy-vline 
WA_/1CN/ATXSAPX0103_STR-COND_GROUP_ID sy-vline 
WA_/1CN/ATXSAPX0103_STR-MAINT_STATUS sy-vline 
WA_/1CN/ATXSAPX0103_STR-CREATED_BY sy-vline 
WA_/1CN/ATXSAPX0103_STR-SUPP_EXIST sy-vline 
WA_/1CN/ATXSAPX0103_STR-SCALE_DIM sy-vline 
WA_/1CN/ATXSAPX0103_STR-KBETR sy-vline 
WA_/1CN/ATXSAPX0103_STR-KPEIN sy-vline 
WA_/1CN/ATXSAPX0103_STR-KMEIN sy-vline 
WA_/1CN/ATXSAPX0103_STR-KONWA sy-vline 
WA_/1CN/ATXSAPX0103_STR-KRECH sy-vline 
WA_/1CN/ATXSAPX0103_STR-TAXTYP sy-vline 
WA_/1CN/ATXSAPX0103_STR-TX_TAX_RATE_ID sy-vline 
WA_/1CN/ATXSAPX0103_STR-AUTHORITYID sy-vline 
WA_/1CN/ATXSAPX0103_STR-LICENSE sy-vline 
WA_/1CN/ATXSAPX0103_STR-REASONCODE sy-vline 
WA_/1CN/ATXSAPX0103_STR-TX_ISSUE_DATE sy-vline      INTO ld_text SEPARATED BY SPACE.

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