ABAP Select data from SAP table FDC_S_ACCDOC_RECURR_DEF_EXIO into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FDC_S_ACCDOC_RECURR_DEF_EXIO
*  INTO TABLE @DATA(IT_FDC_S_ACCDOC_RECURR_DEF_EXIO2).
*--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_FDC_S_ACCDOC_RECURR_DEF_EXIO INDEX 1 INTO DATA(WA_FDC_S_ACCDOC_RECURR_DEF_EXIO2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FDC_S_ACCDOC_RECURR_DEF_EXIO>-DBATR = 1.
<FDC_S_ACCDOC_RECURR_DEF_EXIO>-DBZHL = 1.
<FDC_S_ACCDOC_RECURR_DEF_EXIO>-DBAKZ = 1.
<FDC_S_ACCDOC_RECURR_DEF_EXIO>-RECURRENCE_TYPE = 1.
<FDC_S_ACCDOC_RECURR_DEF_EXIO>-FREQUENCY = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-OCCUR_DAY_TYPE, sy-vline,
  WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-OCCUR_DAY, sy-vline,
  WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-FIRST_OCCUR_DATE, sy-vline,
  WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-END_BY_TYPE, sy-vline,
  WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-LAST_OCCUR_DATE, sy-vline,
  WA_FDC_S_ACCDOC_RECURR_DEF_EXIO-NUMBER_OF_OCCUR, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FDC_S_ACCDOC_RECURR_DEF_EXIO 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_FDC_S_ACCDOC_RECURR_DEF_EXIO 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_FDC_S_ACCDOC_RECURR_DEF_EXIO INTO WA_FDC_S_ACCDOC_RECURR_DEF_EXIO.


*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_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR, 
DBATR TYPE STRING,
DBZHL TYPE STRING,
DBAKZ TYPE STRING,
RECURRENCE_TYPE TYPE STRING,
FREQUENCY TYPE STRING,
OCCUR_DAY_TYPE TYPE STRING,
OCCUR_DAY TYPE STRING,
FIRST_OCCUR_DATE TYPE STRING,
END_BY_TYPE TYPE STRING,
LAST_OCCUR_DATE TYPE STRING,
NUMBER_OF_OCCUR TYPE STRING,
WEEK_DAY TYPE STRING,
MONTH_DAY TYPE STRING,
PERIOD_DAY TYPE STRING,
BLOCKED_FOR_POSTING TYPE STRING,
RECUR_SCHEDULE_USED TYPE STRING,
TRANSFER_LC_AMTS TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_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_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-DBATR sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-DBZHL sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-DBAKZ sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-RECURRENCE_TYPE sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-FREQUENCY sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-OCCUR_DAY_TYPE sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-OCCUR_DAY sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-FIRST_OCCUR_DATE sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-END_BY_TYPE sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-LAST_OCCUR_DATE sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-NUMBER_OF_OCCUR sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-WEEK_DAY sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-MONTH_DAY sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-PERIOD_DAY sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-BLOCKED_FOR_POSTING sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-RECUR_SCHEDULE_USED sy-vline 
WA_FDC_S_ACCDOC_RECURR_DEF_EXIO_STR-TRANSFER_LC_AMTS sy-vline      INTO ld_text SEPARATED BY SPACE.

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