ABAP Select data from SAP table RECN_DEPOSIT_X into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECN_DEPOSIT_X
*  INTO TABLE @DATA(IT_RECN_DEPOSIT_X2).
*--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_RECN_DEPOSIT_X INDEX 1 INTO DATA(WA_RECN_DEPOSIT_X2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECN_DEPOSIT_X>-MANDT = 1.
<RECN_DEPOSIT_X>-DPBUKRS = 1.
<RECN_DEPOSIT_X>-DPNO = 1.
<RECN_DEPOSIT_X>-DPTXT = 1.
<RECN_DEPOSIT_X>-DPSECBUKRS = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECN_DEPOSIT_X-DPSECNO, sy-vline,
  WA_RECN_DEPOSIT_X-DPSECTXT, sy-vline,
  WA_RECN_DEPOSIT_X-RECNTYPE, sy-vline,
  WA_RECN_DEPOSIT_X-DPBEG, sy-vline,
  WA_RECN_DEPOSIT_X-DPEND, sy-vline,
  WA_RECN_DEPOSIT_X-DPDPO, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECN_DEPOSIT_X 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_RECN_DEPOSIT_X 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_RECN_DEPOSIT_X INTO WA_RECN_DEPOSIT_X.


*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.

*Conversion exit ALPHA, internal->external for field DPNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECN_DEPOSIT_X-DPNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECN_DEPOSIT_X-DPNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit ALPHA, internal->external for field DPSECNO
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
  EXPORTING
    input =                      WA_RECN_DEPOSIT_X-DPSECNO
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECN_DEPOSIT_X-DPSECNO.
WRITE:/ 'New Value:', ld_input.

*Conversion exit REDAT, internal->external for field DPEND
CALL FUNCTION 'CONVERSION_EXIT_REDAT_OUTPUT'
  EXPORTING
    input =                      WA_RECN_DEPOSIT_X-DPEND
  IMPORTING
    output =                     ld_input.
WRITE:/ 'Org Value:', WA_RECN_DEPOSIT_X-DPEND.
WRITE:/ 'New Value:', ld_input.
ENDFORM. 

*&---------------------------------------------------------------------*
*& Form process_as_string_field_values
*&---------------------------------------------------------------------*
FORM process_as_string_field_values CHANGING p_EKKO LIKE wa_EKKO.

TYPES: BEGIN OF T_RECN_DEPOSIT_X_STR, 
MANDT TYPE STRING,
DPBUKRS TYPE STRING,
DPNO TYPE STRING,
DPTXT TYPE STRING,
DPSECBUKRS TYPE STRING,
DPSECNO TYPE STRING,
DPSECTXT TYPE STRING,
RECNTYPE TYPE STRING,
DPBEG TYPE STRING,
DPEND TYPE STRING,
DPDPO TYPE STRING,
DPCFFROM TYPE STRING,
RECNCNCURR TYPE STRING,
POSSDATEFROM TYPE STRING,
POSSDATETO TYPE STRING,
XRECNTYPE TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECN_DEPOSIT_X_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_RECN_DEPOSIT_X_STR-MANDT sy-vline 
WA_RECN_DEPOSIT_X_STR-DPBUKRS sy-vline 
WA_RECN_DEPOSIT_X_STR-DPNO sy-vline 
WA_RECN_DEPOSIT_X_STR-DPTXT sy-vline 
WA_RECN_DEPOSIT_X_STR-DPSECBUKRS sy-vline 
WA_RECN_DEPOSIT_X_STR-DPSECNO sy-vline 
WA_RECN_DEPOSIT_X_STR-DPSECTXT sy-vline 
WA_RECN_DEPOSIT_X_STR-RECNTYPE sy-vline 
WA_RECN_DEPOSIT_X_STR-DPBEG sy-vline 
WA_RECN_DEPOSIT_X_STR-DPEND sy-vline 
WA_RECN_DEPOSIT_X_STR-DPDPO sy-vline 
WA_RECN_DEPOSIT_X_STR-DPCFFROM sy-vline 
WA_RECN_DEPOSIT_X_STR-RECNCNCURR sy-vline 
WA_RECN_DEPOSIT_X_STR-POSSDATEFROM sy-vline 
WA_RECN_DEPOSIT_X_STR-POSSDATETO sy-vline 
WA_RECN_DEPOSIT_X_STR-XRECNTYPE sy-vline      INTO ld_text SEPARATED BY SPACE.

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