ABAP Select data from SAP table NFE_CLOUD_CTE_MAP_NF_DOC_INFO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NFE_CLOUD_CTE_MAP_NF_DOC_INFO
*  INTO TABLE @DATA(IT_NFE_CLOUD_CTE_MAP_NF_DOC_INFO2).
*--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_NFE_CLOUD_CTE_MAP_NF_DOC_INFO INDEX 1 INTO DATA(WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NFE_CLOUD_CTE_MAP_NF_DOC_INFO>-PACKING_NUMBER = 1.
<NFE_CLOUD_CTE_MAP_NF_DOC_INFO>-PURCHASE_ORDER_NUMBER = 1.
<NFE_CLOUD_CTE_MAP_NF_DOC_INFO>-MODEL = 1.
<NFE_CLOUD_CTE_MAP_NF_DOC_INFO>-SERIES = 1.
<NFE_CLOUD_CTE_MAP_NF_DOC_INFO>-DOCUMENT_NUMBER = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-ISSUING_DATE, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-TAX, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-TYPE, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-SITUATION, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-BASE, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO-REDUCED_BASE, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO 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_NFE_CLOUD_CTE_MAP_NF_DOC_INFO 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_NFE_CLOUD_CTE_MAP_NF_DOC_INFO INTO WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO.


*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_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR, 
PACKING_NUMBER TYPE STRING,
PURCHASE_ORDER_NUMBER TYPE STRING,
MODEL TYPE STRING,
SERIES TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
ISSUING_DATE TYPE STRING,
TAX TYPE STRING,
TYPE TYPE STRING,
SITUATION TYPE STRING,
BASE TYPE STRING,
REDUCED_BASE TYPE STRING,
WITHHOLD_BASE TYPE STRING,
OTHER_STATE_BASE TYPE STRING,
OTHER_STATE_REDUCED_BASE_RATE TYPE STRING,
TAX_SUBSTITUTION_BASE TYPE STRING,
TAX_SUBSTITUTION_AMOUNT TYPE STRING,
UF_DESTINATION_BASE TYPE STRING,
RATE TYPE STRING,
REDUCED_BASE_RATE TYPE STRING,
WITHHOLD_RATE TYPE STRING,
OTHER_STATE_RATE TYPE STRING,
DESTINATION_STATE_FCP_RATE TYPE STRING,
DESTINATION_STATE_RATE TYPE STRING,
INTERSTATE_RATE TYPE STRING,
AMOUNT TYPE STRING,
WITHHOLD_AMOUNT TYPE STRING,
CREDIT_AMOUNT TYPE STRING,
OTHER_STATE_AMOUNT TYPE STRING,
DESTINATION_STATE_FCP_AMOUNT TYPE STRING,
DESTINATION_STATE_AMOUNT TYPE STRING,
SENDER_STATE_AMOUNT TYPE STRING,
SIMPLE_NATIONAL TYPE STRING,
TOTAL_AMOUNT_VALUE TYPE STRING,
FISCO_ADDITIONAL_INFO TYPE STRING,
PRODUCTS_TOTAL_VALUE TYPE STRING,
INVOICE_TOTAL_VALUE TYPE STRING,
CFOP TYPE STRING,
TOTAL_WEIGHT TYPE STRING,
SUFRAMA_PIN TYPE STRING,
EXPECTED_DATE TYPE STRING,
CARGO_UNITY_INFO TYPE STRING,
TRANSPORT_UNITY_INFO TYPE STRING,
PRORATED_MEASURE_UNIT TYPE STRING,
INVOICE_FISCAL_VALUE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_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_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-PACKING_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-PURCHASE_ORDER_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-MODEL sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-SERIES sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-DOCUMENT_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-ISSUING_DATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TAX sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TYPE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-SITUATION sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-REDUCED_BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-WITHHOLD_BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-OTHER_STATE_BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-OTHER_STATE_REDUCED_BASE_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TAX_SUBSTITUTION_BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TAX_SUBSTITUTION_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-UF_DESTINATION_BASE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-REDUCED_BASE_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-WITHHOLD_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-OTHER_STATE_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-DESTINATION_STATE_FCP_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-DESTINATION_STATE_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-INTERSTATE_RATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-WITHHOLD_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-CREDIT_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-OTHER_STATE_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-DESTINATION_STATE_FCP_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-DESTINATION_STATE_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-SENDER_STATE_AMOUNT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-SIMPLE_NATIONAL sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TOTAL_AMOUNT_VALUE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-FISCO_ADDITIONAL_INFO sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-PRODUCTS_TOTAL_VALUE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-INVOICE_TOTAL_VALUE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-CFOP sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TOTAL_WEIGHT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-SUFRAMA_PIN sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-EXPECTED_DATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-CARGO_UNITY_INFO sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-TRANSPORT_UNITY_INFO sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-PRORATED_MEASURE_UNIT sy-vline 
WA_NFE_CLOUD_CTE_MAP_NF_DOC_INFO_STR-INVOICE_FISCAL_VALUE sy-vline      INTO ld_text SEPARATED BY SPACE.

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