ABAP Select data from SAP table NFE_CLOUD_CTE_MAP_HEADER 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_HEADER 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_HEADER. 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_HEADER 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_HEADER TYPE STANDARD TABLE OF NFE_CLOUD_CTE_MAP_HEADER,
      WA_NFE_CLOUD_CTE_MAP_HEADER TYPE NFE_CLOUD_CTE_MAP_HEADER,
      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_HEADER> TYPE NFE_CLOUD_CTE_MAP_HEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM NFE_CLOUD_CTE_MAP_HEADER
*  INTO TABLE @DATA(IT_NFE_CLOUD_CTE_MAP_HEADER2).
*--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_HEADER INDEX 1 INTO DATA(WA_NFE_CLOUD_CTE_MAP_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<NFE_CLOUD_CTE_MAP_HEADER>-STATE_CODE = 1.
<NFE_CLOUD_CTE_MAP_HEADER>-ACCESS_KEY_RANDOM_NUMBER = 1.
<NFE_CLOUD_CTE_MAP_HEADER>-CFOP = 1.
<NFE_CLOUD_CTE_MAP_HEADER>-OPERATION_DESCRIPTION = 1.
<NFE_CLOUD_CTE_MAP_HEADER>-DOCUMENT_MODEL = 1.

ENDLOOP.

LOOP AT IT_NFE_CLOUD_CTE_MAP_HEADER INTO WA_NFE_CLOUD_CTE_MAP_HEADER.
*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_HEADER-DOCUMENT_SERIES, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_HEADER-DOCUMENT_NUMBER, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_HEADER-ISSUING_DATE_TIME, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_HEADER-PRINT_FORMAT, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_HEADER-ISSUING_TYPE, sy-vline,
  WA_NFE_CLOUD_CTE_MAP_HEADER-ACCESS_KEY_CHECK_DIGIT, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_NFE_CLOUD_CTE_MAP_HEADER 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_HEADER 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_HEADER INTO WA_NFE_CLOUD_CTE_MAP_HEADER.


*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_HEADER_STR, 
STATE_CODE TYPE STRING,
ACCESS_KEY_RANDOM_NUMBER TYPE STRING,
CFOP TYPE STRING,
OPERATION_DESCRIPTION TYPE STRING,
DOCUMENT_MODEL TYPE STRING,
DOCUMENT_SERIES TYPE STRING,
DOCUMENT_NUMBER TYPE STRING,
ISSUING_DATE_TIME TYPE STRING,
PRINT_FORMAT TYPE STRING,
ISSUING_TYPE TYPE STRING,
ACCESS_KEY_CHECK_DIGIT TYPE STRING,
ENVIRONMENT_TYPE TYPE STRING,
CTE_TYPE TYPE STRING,
ISSUING_PROCESS_IDENTIFIER TYPE STRING,
APPLICATION_VERSION TYPE STRING,
ISSUING_GLOBALIZED TYPE STRING,
ISSUING_CITY_CODE TYPE STRING,
ISSUING_CITY_NAME TYPE STRING,
ISSUING_STATE TYPE STRING,
MODE_OF_TRANSPORT TYPE STRING,
SERVICE_TYPE TYPE STRING,
SERVICE_START_CITY_CODE TYPE STRING,
SERVICE_START_CITY_NAME TYPE STRING,
SERVICE_START_STATE TYPE STRING,
SERVICE_END_CITY_CODE TYPE STRING,
SERVICE_END_CITY_NAME TYPE STRING,
SERVICE_END_STATE TYPE STRING,
RECEIVER_WITHDRAW TYPE STRING,
WITHDRAW_DETAILS TYPE STRING,
SERVICE_PROVIDER_INDICATOR TYPE STRING,
SERVICE_TAKER TYPE STRING,
SERVICE_TAKER_INDICATOR TYPE STRING,
SERVICE_TAKER_OTHERS TYPE STRING,
SERVICE_TAKER_INDICATOR TYPE STRING,
SERVICE_TAKER_INFO TYPE STRING,
CNPJ TYPE STRING,
CPF TYPE STRING,
STATE_INSCRIPTION TYPE STRING,
STATE_INSCRIPTION_TAX_SUBST TYPE STRING,
SUFRAMA_INSCRIPTION TYPE STRING,
COMPANY_NAME TYPE STRING,
TRADING_NAME TYPE STRING,
ADDRESS TYPE STRING,
ADDRESS_NAME TYPE STRING,
ADDRESS_NUMBER TYPE STRING,
COMPLEMENT TYPE STRING,
DISTRICT TYPE STRING,
CITY_CODE TYPE STRING,
CITY_NAME TYPE STRING,
ZIP TYPE STRING,
STATE TYPE STRING,
COUNTRY_CODE TYPE STRING,
COUNTRY_NAME TYPE STRING,
PHONE TYPE STRING,
PHONE TYPE STRING,
EMAIL TYPE STRING,
INTERNAL_CODE TYPE STRING,
CONTINGENCY_DATE_TIME TYPE STRING,
CONTINGENCY_REASON TYPE STRING,END OF T_EKKO_STR.
DATA: WA_NFE_CLOUD_CTE_MAP_HEADER_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_HEADER_STR-STATE_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ACCESS_KEY_RANDOM_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CFOP sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-OPERATION_DESCRIPTION sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-DOCUMENT_MODEL sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-DOCUMENT_SERIES sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-DOCUMENT_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_DATE_TIME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-PRINT_FORMAT sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_TYPE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ACCESS_KEY_CHECK_DIGIT sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ENVIRONMENT_TYPE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CTE_TYPE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_PROCESS_IDENTIFIER sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-APPLICATION_VERSION sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_GLOBALIZED sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_CITY_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_CITY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ISSUING_STATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-MODE_OF_TRANSPORT sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TYPE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_START_CITY_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_START_CITY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_START_STATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_END_CITY_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_END_CITY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_END_STATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-RECEIVER_WITHDRAW sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-WITHDRAW_DETAILS sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_PROVIDER_INDICATOR sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TAKER sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TAKER_INDICATOR sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TAKER_OTHERS sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TAKER_INDICATOR sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SERVICE_TAKER_INFO sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CNPJ sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CPF sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-STATE_INSCRIPTION sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-STATE_INSCRIPTION_TAX_SUBST sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-SUFRAMA_INSCRIPTION sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-COMPANY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-TRADING_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ADDRESS sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ADDRESS_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ADDRESS_NUMBER sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-COMPLEMENT sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-DISTRICT sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CITY_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CITY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-ZIP sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-STATE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-COUNTRY_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-COUNTRY_NAME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-PHONE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-PHONE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-EMAIL sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-INTERNAL_CODE sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CONTINGENCY_DATE_TIME sy-vline 
WA_NFE_CLOUD_CTE_MAP_HEADER_STR-CONTINGENCY_REASON sy-vline      INTO ld_text SEPARATED BY SPACE.

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