ABAP Select data from SAP table EDOC_AR_FF_HEADER into internal table

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Below is a number of ABAP code snippets to demonstrate how to select data from SAP EDOC_AR_FF_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 EDOC_AR_FF_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 EDOC_AR_FF_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_EDOC_AR_FF_HEADER TYPE STANDARD TABLE OF EDOC_AR_FF_HEADER,
      WA_EDOC_AR_FF_HEADER TYPE EDOC_AR_FF_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: <EDOC_AR_FF_HEADER> TYPE EDOC_AR_FF_HEADER.

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM EDOC_AR_FF_HEADER
*  INTO TABLE @DATA(IT_EDOC_AR_FF_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_EDOC_AR_FF_HEADER INDEX 1 INTO DATA(WA_EDOC_AR_FF_HEADER2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<EDOC_AR_FF_HEADER>-NAME = 1.
<EDOC_AR_FF_HEADER>-ADDRESS = 1.
<EDOC_AR_FF_HEADER>-PRINT_CHAR = 1.
<EDOC_AR_FF_HEADER>-CUST_NAME = 1.
<EDOC_AR_FF_HEADER>-CUST_ST_NAME = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_EDOC_AR_FF_HEADER-CUST_ST_ADDR, sy-vline,
  WA_EDOC_AR_FF_HEADER-CUST_CUIT_NUM, sy-vline,
  WA_EDOC_AR_FF_HEADER-DOC_TYPE, sy-vline,
  WA_EDOC_AR_FF_HEADER-ISSUE_DATE, sy-vline,
  WA_EDOC_AR_FF_HEADER-CUIT_NUM, sy-vline,
  WA_EDOC_AR_FF_HEADER-GRO_INC_NUM, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_EDOC_AR_FF_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_EDOC_AR_FF_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_EDOC_AR_FF_HEADER INTO WA_EDOC_AR_FF_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_EDOC_AR_FF_HEADER_STR, 
NAME TYPE STRING,
ADDRESS TYPE STRING,
PRINT_CHAR TYPE STRING,
CUST_NAME TYPE STRING,
CUST_ST_NAME TYPE STRING,
CUST_ST_ADDR TYPE STRING,
CUST_CUIT_NUM TYPE STRING,
DOC_TYPE TYPE STRING,
ISSUE_DATE TYPE STRING,
CUIT_NUM TYPE STRING,
GRO_INC_NUM TYPE STRING,
INI_DATE TYPE STRING,
CAE_DUE_DATE TYPE STRING,
ADD_INFO TYPE STRING,
SALE_CONDITION TYPE STRING,
REMITO TYPE STRING,
EDOCGUID TYPE STRING,
SUBTOTAL TYPE STRING,
VAT_TOTAL TYPE STRING,
TOTAL TYPE STRING,
CUST_ADDRESS TYPE STRING,
RECEIPT_NUM TYPE STRING,
DUE_DATE TYPE STRING,
JURISDICTION TYPE STRING,
PERCEPTION TYPE STRING,
CAE_NUM TYPE STRING,
DOLAR_CONV_VALUE TYPE STRING,
CUST_PART TYPE STRING,
NUMERO TYPE STRING,
COD_NUMBER TYPE STRING,
PAGE_TYPE TYPE STRING,
BARCODE TYPE STRING,
TOTAL_USD TYPE STRING,END OF T_EKKO_STR.
DATA: WA_EDOC_AR_FF_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_EDOC_AR_FF_HEADER_STR-NAME sy-vline 
WA_EDOC_AR_FF_HEADER_STR-ADDRESS sy-vline 
WA_EDOC_AR_FF_HEADER_STR-PRINT_CHAR sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_NAME sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_ST_NAME sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_ST_ADDR sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_CUIT_NUM sy-vline 
WA_EDOC_AR_FF_HEADER_STR-DOC_TYPE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-ISSUE_DATE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUIT_NUM sy-vline 
WA_EDOC_AR_FF_HEADER_STR-GRO_INC_NUM sy-vline 
WA_EDOC_AR_FF_HEADER_STR-INI_DATE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CAE_DUE_DATE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-ADD_INFO sy-vline 
WA_EDOC_AR_FF_HEADER_STR-SALE_CONDITION sy-vline 
WA_EDOC_AR_FF_HEADER_STR-REMITO sy-vline 
WA_EDOC_AR_FF_HEADER_STR-EDOCGUID sy-vline 
WA_EDOC_AR_FF_HEADER_STR-SUBTOTAL sy-vline 
WA_EDOC_AR_FF_HEADER_STR-VAT_TOTAL sy-vline 
WA_EDOC_AR_FF_HEADER_STR-TOTAL sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_ADDRESS sy-vline 
WA_EDOC_AR_FF_HEADER_STR-RECEIPT_NUM sy-vline 
WA_EDOC_AR_FF_HEADER_STR-DUE_DATE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-JURISDICTION sy-vline 
WA_EDOC_AR_FF_HEADER_STR-PERCEPTION sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CAE_NUM sy-vline 
WA_EDOC_AR_FF_HEADER_STR-DOLAR_CONV_VALUE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-CUST_PART sy-vline 
WA_EDOC_AR_FF_HEADER_STR-NUMERO sy-vline 
WA_EDOC_AR_FF_HEADER_STR-COD_NUMBER sy-vline 
WA_EDOC_AR_FF_HEADER_STR-PAGE_TYPE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-BARCODE sy-vline 
WA_EDOC_AR_FF_HEADER_STR-TOTAL_USD sy-vline      INTO ld_text SEPARATED BY SPACE.

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