ABAP Select data from SAP table J_3RF_INREG_XML into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP J_3RF_INREG_XML 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 J_3RF_INREG_XML. 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 J_3RF_INREG_XML 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_J_3RF_INREG_XML TYPE STANDARD TABLE OF J_3RF_INREG_XML,
      WA_J_3RF_INREG_XML TYPE J_3RF_INREG_XML,
      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: <J_3RF_INREG_XML> TYPE J_3RF_INREG_XML.

*Process all fields in table header/work area as string values
  PERFORM process_as_string_field_values CHANGING wa_J_3RF_INREG_XML.

SELECT *
*restrict ABAP select to first 10 rows
 UP TO 10 ROWS      
  FROM J_3RF_INREG_XML
  INTO TABLE IT_J_3RF_INREG_XML.

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM J_3RF_INREG_XML
*  INTO TABLE @DATA(IT_J_3RF_INREG_XML2).
*--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_J_3RF_INREG_XML INDEX 1 INTO DATA(WA_J_3RF_INREG_XML2).


*Demonstrate how to loop at an internal table and update values using a FIELD-SYMBOL
LOOP AT IT_J_3RF_INREG_XML ASSIGNING <J_3RF_INREG_XML>.

*To update a field value using a field symbol simply change the value via the field symbol pointer
<J_3RF_INREG_XML>-BUKRS = 1.
<J_3RF_INREG_XML>-GJAHR = 1.
<J_3RF_INREG_XML>-N_PERIOD = 1.
<J_3RF_INREG_XML>-GJAHR_IN = 1.
<J_3RF_INREG_XML>-NUM = 1.

ENDLOOP.

LOOP AT IT_J_3RF_INREG_XML INTO WA_J_3RF_INREG_XML.
*Write horizonal line to screen report.
  WRITE:/ sy-uline.

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_J_3RF_INREG_XML-DATE_RECV, sy-vline,
  WA_J_3RF_INREG_XML-DATE_REG, sy-vline,
  WA_J_3RF_INREG_XML-EXCH_TYP, sy-vline,
  WA_J_3RF_INREG_XML-OPER_TYP, sy-vline,
  WA_J_3RF_INREG_XML-EXT_ORIG, sy-vline,
  WA_J_3RF_INREG_XML-DATE_ORIG, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_J_3RF_INREG_XML 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_J_3RF_INREG_XML 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_J_3RF_INREG_XML INTO WA_J_3RF_INREG_XML.


*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 GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_IN
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-GJAHR_IN
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-GJAHR_IN.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_ORIG
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-BELNR_ORIG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-BELNR_ORIG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_ORIG
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-GJAHR_ORIG
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-GJAHR_ORIG.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_CORR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-BELNR_CORR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-BELNR_CORR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_CORR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-GJAHR_CORR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-GJAHR_CORR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field BELNR_REV
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-BELNR_REV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-BELNR_REV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field GJAHR_REV
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-GJAHR_REV
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-GJAHR_REV.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field KUNNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-KUNNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-KUNNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBTR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWBTR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWBTR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWSTE
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWSTE
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWSTE.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBTR_DECR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWBTR_DECR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWBTR_DECR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWBTR_INCR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWBTR_INCR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWBTR_INCR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWSTE_DECR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWSTE_DECR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWSTE_DECR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit AC152, internal->external for field FWSTE_INCR
CALL FUNCTION 'CONVERSION_EXIT_AC152_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FWSTE_INCR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FWSTE_INCR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field AGENT_LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-AGENT_LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-AGENT_LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field FI_LIFNR
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-FI_LIFNR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-FI_LIFNR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit GJAHR, internal->external for field TAX_GJAHR
CALL FUNCTION 'CONVERSION_EXIT_GJAHR_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-TAX_GJAHR
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-TAX_GJAHR.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field CORRNUM
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_J_3RF_INREG_XML-CORRNUM
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_J_3RF_INREG_XML-CORRNUM.
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_J_3RF_INREG_XML_STR, 
BUKRS TYPE STRING,
GJAHR TYPE STRING,
N_PERIOD TYPE STRING,
GJAHR_IN TYPE STRING,
NUM TYPE STRING,
DATE_RECV TYPE STRING,
DATE_REG TYPE STRING,
EXCH_TYP TYPE STRING,
OPER_TYP TYPE STRING,
EXT_ORIG TYPE STRING,
DATE_ORIG TYPE STRING,
BELNR_ORIG TYPE STRING,
GJAHR_ORIG TYPE STRING,
EXT_CORR TYPE STRING,
DATE_CORR TYPE STRING,
BELNR_CORR TYPE STRING,
GJAHR_CORR TYPE STRING,
REVNO TYPE STRING,
DATE_REV TYPE STRING,
BELNR_REV TYPE STRING,
GJAHR_REV TYPE STRING,
REVNO_ORIG TYPE STRING,
DATE_REV_ORIG TYPE STRING,
REVNO_CORR TYPE STRING,
DATE_REV_CORR TYPE STRING,
LIFNR TYPE STRING,
KUNNR TYPE STRING,
NAME TYPE STRING,
INN TYPE STRING,
KPP TYPE STRING,
WAERS TYPE STRING,
CURTXT TYPE STRING,
WAERC TYPE STRING,
FWBTR TYPE STRING,
FWSTE TYPE STRING,
FWBTR_DECR TYPE STRING,
FWBTR_INCR TYPE STRING,
FWSTE_DECR TYPE STRING,
FWSTE_INCR TYPE STRING,
NONTAX TYPE STRING,
USNAM TYPE STRING,
SEQNUM TYPE STRING,
FLAG_DEL TYPE STRING,
COMM_TRADE TYPE STRING,
AGENT_LIFNR TYPE STRING,
AGENT_NAME TYPE STRING,
AGENT_INN TYPE STRING,
AGENT_KPP TYPE STRING,
DEAL_TYPE TYPE STRING,
FI_LIFNR TYPE STRING,
FLAG_CHNG TYPE STRING,
TAX_GJAHR TYPE STRING,
TAX_PERIOD TYPE STRING,
CORRNUM TYPE STRING,
VAT_SEC TYPE STRING,
MAINBUK TYPE STRING,
ANNULMENT_FLAG TYPE STRING,
ANNULMENT_SEQNUM TYPE STRING,
DATE_RECV_C TYPE STRING,
DATE_ORIG_C TYPE STRING,
DATE_CORR_C TYPE STRING,
DATE_REV_C TYPE STRING,
LINE_ID TYPE STRING,
INN_UL TYPE STRING,
INN_FL TYPE STRING,
REVNO_C TYPE STRING,
DATE_REV_ORIG_C TYPE STRING,
IS_UL_IP TYPE STRING,
INN_UL_AGENT TYPE STRING,
INN_FL_AGENT TYPE STRING,
AGENT_FN TYPE STRING,
AGENT_LN TYPE STRING,
AGENT_MN TYPE STRING,
REVNO_ORIG_C TYPE STRING,
REVNO_CORR_C TYPE STRING,
DATE_REV_CORR_C TYPE STRING,END OF T_EKKO_STR.
DATA: WA_J_3RF_INREG_XML_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_J_3RF_INREG_XML_STR-BUKRS sy-vline 
WA_J_3RF_INREG_XML_STR-GJAHR sy-vline 
WA_J_3RF_INREG_XML_STR-N_PERIOD sy-vline 
WA_J_3RF_INREG_XML_STR-GJAHR_IN sy-vline 
WA_J_3RF_INREG_XML_STR-NUM sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_RECV sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REG sy-vline 
WA_J_3RF_INREG_XML_STR-EXCH_TYP sy-vline 
WA_J_3RF_INREG_XML_STR-OPER_TYP sy-vline 
WA_J_3RF_INREG_XML_STR-EXT_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-BELNR_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-GJAHR_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-EXT_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-BELNR_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-GJAHR_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV sy-vline 
WA_J_3RF_INREG_XML_STR-BELNR_REV sy-vline 
WA_J_3RF_INREG_XML_STR-GJAHR_REV sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV_ORIG sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV_CORR sy-vline 
WA_J_3RF_INREG_XML_STR-LIFNR sy-vline 
WA_J_3RF_INREG_XML_STR-KUNNR sy-vline 
WA_J_3RF_INREG_XML_STR-NAME sy-vline 
WA_J_3RF_INREG_XML_STR-INN sy-vline 
WA_J_3RF_INREG_XML_STR-KPP sy-vline 
WA_J_3RF_INREG_XML_STR-WAERS sy-vline 
WA_J_3RF_INREG_XML_STR-CURTXT sy-vline 
WA_J_3RF_INREG_XML_STR-WAERC sy-vline 
WA_J_3RF_INREG_XML_STR-FWBTR sy-vline 
WA_J_3RF_INREG_XML_STR-FWSTE sy-vline 
WA_J_3RF_INREG_XML_STR-FWBTR_DECR sy-vline 
WA_J_3RF_INREG_XML_STR-FWBTR_INCR sy-vline 
WA_J_3RF_INREG_XML_STR-FWSTE_DECR sy-vline 
WA_J_3RF_INREG_XML_STR-FWSTE_INCR sy-vline 
WA_J_3RF_INREG_XML_STR-NONTAX sy-vline 
WA_J_3RF_INREG_XML_STR-USNAM sy-vline 
WA_J_3RF_INREG_XML_STR-SEQNUM sy-vline 
WA_J_3RF_INREG_XML_STR-FLAG_DEL sy-vline 
WA_J_3RF_INREG_XML_STR-COMM_TRADE sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_LIFNR sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_NAME sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_INN sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_KPP sy-vline 
WA_J_3RF_INREG_XML_STR-DEAL_TYPE sy-vline 
WA_J_3RF_INREG_XML_STR-FI_LIFNR sy-vline 
WA_J_3RF_INREG_XML_STR-FLAG_CHNG sy-vline 
WA_J_3RF_INREG_XML_STR-TAX_GJAHR sy-vline 
WA_J_3RF_INREG_XML_STR-TAX_PERIOD sy-vline 
WA_J_3RF_INREG_XML_STR-CORRNUM sy-vline 
WA_J_3RF_INREG_XML_STR-VAT_SEC sy-vline 
WA_J_3RF_INREG_XML_STR-MAINBUK sy-vline 
WA_J_3RF_INREG_XML_STR-ANNULMENT_FLAG sy-vline 
WA_J_3RF_INREG_XML_STR-ANNULMENT_SEQNUM sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_RECV_C sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_ORIG_C sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_CORR_C sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV_C sy-vline 
WA_J_3RF_INREG_XML_STR-LINE_ID sy-vline 
WA_J_3RF_INREG_XML_STR-INN_UL sy-vline 
WA_J_3RF_INREG_XML_STR-INN_FL sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO_C sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV_ORIG_C sy-vline 
WA_J_3RF_INREG_XML_STR-IS_UL_IP sy-vline 
WA_J_3RF_INREG_XML_STR-INN_UL_AGENT sy-vline 
WA_J_3RF_INREG_XML_STR-INN_FL_AGENT sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_FN sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_LN sy-vline 
WA_J_3RF_INREG_XML_STR-AGENT_MN sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO_ORIG_C sy-vline 
WA_J_3RF_INREG_XML_STR-REVNO_CORR_C sy-vline 
WA_J_3RF_INREG_XML_STR-DATE_REV_CORR_C sy-vline      INTO ld_text SEPARATED BY SPACE.

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