ABAP Select data from SAP table CFDI_ORI_IN_MSG_TYPE_MX into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM CFDI_ORI_IN_MSG_TYPE_MX
*  INTO TABLE @DATA(IT_CFDI_ORI_IN_MSG_TYPE_MX2).
*--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_CFDI_ORI_IN_MSG_TYPE_MX INDEX 1 INTO DATA(WA_CFDI_ORI_IN_MSG_TYPE_MX2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<CFDI_ORI_IN_MSG_TYPE_MX>-DOCUMENT_DATA = 1.
<CFDI_ORI_IN_MSG_TYPE_MX>-VERSION_XML = 1.
<CFDI_ORI_IN_MSG_TYPE_MX>-OFF_DOC_PRE = 1.
<CFDI_ORI_IN_MSG_TYPE_MX>-OFF_DOC_NUM = 1.
<CFDI_ORI_IN_MSG_TYPE_MX>-INV_DATE_TIME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_CFDI_ORI_IN_MSG_TYPE_MX-PAYM_MEANS, sy-vline,
  WA_CFDI_ORI_IN_MSG_TYPE_MX-CERTIFICATE_NUMBER, sy-vline,
  WA_CFDI_ORI_IN_MSG_TYPE_MX-PAYM_TERMS, sy-vline,
  WA_CFDI_ORI_IN_MSG_TYPE_MX-SUB_TOTAL, sy-vline,
  WA_CFDI_ORI_IN_MSG_TYPE_MX-DISCOUNT, sy-vline,
  WA_CFDI_ORI_IN_MSG_TYPE_MX-CURRENCY, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_CFDI_ORI_IN_MSG_TYPE_MX 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_CFDI_ORI_IN_MSG_TYPE_MX 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_CFDI_ORI_IN_MSG_TYPE_MX INTO WA_CFDI_ORI_IN_MSG_TYPE_MX.


*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_CFDI_ORI_IN_MSG_TYPE_MX_STR, 
DOCUMENT_DATA TYPE STRING,
VERSION_XML TYPE STRING,
OFF_DOC_PRE TYPE STRING,
OFF_DOC_NUM TYPE STRING,
INV_DATE_TIME TYPE STRING,
PAYM_MEANS TYPE STRING,
CERTIFICATE_NUMBER TYPE STRING,
PAYM_TERMS TYPE STRING,
SUB_TOTAL TYPE STRING,
DISCOUNT TYPE STRING,
CURRENCY TYPE STRING,
EXCHANGE_RATE TYPE STRING,
TOTAL TYPE STRING,
DOC_TYPE TYPE STRING,
PAYM_METHD TYPE STRING,
ISSUING_PLACE TYPE STRING,
CONFIRMATION TYPE STRING,
ACCOUNT_NUMBER TYPE STRING,
INST_ORI_FOLIO TYPE STRING,
INST_ORI_PREFIX TYPE STRING,
INST_ORI_DATE TYPE STRING,
INST_ORI_AMOUNT TYPE STRING,
RELATED_DOC_DATA TYPE STRING,
CMPNY_GLOBAL_DATA TYPE STRING,
CMPNY_TAX_N TYPE STRING,
CMPNY_NAME TYPE STRING,
CMPNY_ADDRESS_DATA TYPE STRING,
CMPNY_STREET TYPE STRING,
CMPNY_HOUSE_NUM TYPE STRING,
CMPNY_2ND_HOUSE_NUM TYPE STRING,
CMPNY_DISTRICT TYPE STRING,
CMPNY_CITY TYPE STRING,
CMPNY_LOC_REF TYPE STRING,
CMPNY_2ND_DISTRICT TYPE STRING,
CMPNY_STATE TYPE STRING,
CMPNY_COUNTRY TYPE STRING,
CMPNY_POST_CODE TYPE STRING,
SO_ADDRESS_DATA TYPE STRING,
SO_STREET TYPE STRING,
SO_HOUSE_NUM TYPE STRING,
SO_2ND_HOUSE_NUM TYPE STRING,
SO_DISTRICT TYPE STRING,
SO_CITY TYPE STRING,
SO_LOC_REF TYPE STRING,
SO_2ND_DISTRICT TYPE STRING,
SO_STATE TYPE STRING,
SO_COUNTRY TYPE STRING,
SO_POST_CODE TYPE STRING,
FISCAL_REG_DATA TYPE STRING,
TAX_REGIME TYPE STRING,
C_IDENT_DATA TYPE STRING,
CUST_TAX_NUM TYPE STRING,
CUST_NAME TYPE STRING,
CUST_COUNTRY_CODE TYPE STRING,
CUST_FOREIGN_TAX_ID TYPE STRING,
CFDI_USAGE TYPE STRING,
C_ADDRESS_DATA TYPE STRING,
CUST_STREET TYPE STRING,
CUST_HOUSE_NUM TYPE STRING,
CUST_2ND_HOUSE_NUM TYPE STRING,
CUST_DISTRICT TYPE STRING,
CUST_CITY TYPE STRING,
CUST_LOC_REF TYPE STRING,
CUST_2ND_DISTRICT TYPE STRING,
CUST_STATE TYPE STRING,
CUST_COUNTRY TYPE STRING,
CUST_POST_CODE TYPE STRING,
WA_LINE_ITEMS TYPE STRING,
WA_WITHHOLD_TAX TYPE STRING,
WITHHOLD_TAX_TOTAL TYPE STRING,
WITHHOLD_TAX_TOTAL TYPE STRING,
WA_TAXES TYPE STRING,
TOTAL_TAXES TYPE STRING,
TOTAL_TAXES_AMOUNT TYPE STRING,
COMPL_DOC_DATA TYPE STRING,
COMPL_DOC_DATA TYPE STRING,END OF T_EKKO_STR.
DATA: WA_CFDI_ORI_IN_MSG_TYPE_MX_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_CFDI_ORI_IN_MSG_TYPE_MX_STR-DOCUMENT_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-VERSION_XML sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-OFF_DOC_PRE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-OFF_DOC_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-INV_DATE_TIME sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-PAYM_MEANS sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CERTIFICATE_NUMBER sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-PAYM_TERMS sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SUB_TOTAL sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-DISCOUNT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CURRENCY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-EXCHANGE_RATE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-TOTAL sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-DOC_TYPE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-PAYM_METHD sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-ISSUING_PLACE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CONFIRMATION sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-ACCOUNT_NUMBER sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-INST_ORI_FOLIO sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-INST_ORI_PREFIX sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-INST_ORI_DATE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-INST_ORI_AMOUNT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-RELATED_DOC_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_GLOBAL_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_TAX_N sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_NAME sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_ADDRESS_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_STREET sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_2ND_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_CITY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_LOC_REF sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_2ND_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_STATE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_COUNTRY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CMPNY_POST_CODE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_ADDRESS_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_STREET sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_2ND_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_CITY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_LOC_REF sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_2ND_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_STATE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_COUNTRY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-SO_POST_CODE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-FISCAL_REG_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-TAX_REGIME sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-C_IDENT_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_TAX_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_NAME sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_COUNTRY_CODE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_FOREIGN_TAX_ID sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CFDI_USAGE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-C_ADDRESS_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_STREET sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_2ND_HOUSE_NUM sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_CITY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_LOC_REF sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_2ND_DISTRICT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_STATE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_COUNTRY sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-CUST_POST_CODE sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-WA_LINE_ITEMS sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-WA_WITHHOLD_TAX sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-WITHHOLD_TAX_TOTAL sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-WITHHOLD_TAX_TOTAL sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-WA_TAXES sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-TOTAL_TAXES sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-TOTAL_TAXES_AMOUNT sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-COMPL_DOC_DATA sy-vline 
WA_CFDI_ORI_IN_MSG_TYPE_MX_STR-COMPL_DOC_DATA sy-vline      INTO ld_text SEPARATED BY SPACE.

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