ABAP Select data from SAP table RECP_CN_NOTICE_C into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM RECP_CN_NOTICE_C
*  INTO TABLE @DATA(IT_RECP_CN_NOTICE_C2).
*--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_RECP_CN_NOTICE_C INDEX 1 INTO DATA(WA_RECP_CN_NOTICE_C2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<RECP_CN_NOTICE_C>-MANDT = 1.
<RECP_CN_NOTICE_C>-INTRENO = 1.
<RECP_CN_NOTICE_C>-NTNO = 1.
<RECP_CN_NOTICE_C>-NTCATE = 1.
<RECP_CN_NOTICE_C>-NTACTIVE = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_RECP_CN_NOTICE_C-NTACTIVATEDON, sy-vline,
  WA_RECP_CN_NOTICE_C-NTREVERSEDON, sy-vline,
  WA_RECP_CN_NOTICE_C-RERF, sy-vline,
  WA_RECP_CN_NOTICE_C-DERF, sy-vline,
  WA_RECP_CN_NOTICE_C-TERF, sy-vline,
  WA_RECP_CN_NOTICE_C-REHER, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_RECP_CN_NOTICE_C 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_RECP_CN_NOTICE_C 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_RECP_CN_NOTICE_C INTO WA_RECP_CN_NOTICE_C.


*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_RECP_CN_NOTICE_C_STR, 
MANDT TYPE STRING,
INTRENO TYPE STRING,
NTNO TYPE STRING,
NTCATE TYPE STRING,
NTACTIVE TYPE STRING,
NTACTIVATEDON TYPE STRING,
NTREVERSEDON TYPE STRING,
RERF TYPE STRING,
DERF TYPE STRING,
TERF TYPE STRING,
REHER TYPE STRING,
RBEAR TYPE STRING,
DBEAR TYPE STRING,
TBEAR TYPE STRING,
RBHER TYPE STRING,
NTPER TYPE STRING,
NTRECEIPT TYPE STRING,
NTPARTY TYPE STRING,
NTEXTRAORD TYPE STRING,
NTREASON TYPE STRING,
NTREASONREJ TYPE STRING,
NTAPPROVEDON TYPE STRING,
NTREJECTEDON TYPE STRING,
NTOBJECTIONON TYPE STRING,
NTLEGALDEPTON TYPE STRING,
NTWITHDRAWALON TYPE STRING,
NTREQUESTON TYPE STRING,
NTFOLLPOSTDUE TYPE STRING,
NTREQUESTUSE TYPE STRING,
NTCALCULATED TYPE STRING,
XNTCATE TYPE STRING,
XNTPARTY TYPE STRING,
XCNPARTNER TYPE STRING,
XNTREASON TYPE STRING,
XSNTREASON TYPE STRING,
XNTREASONREJ TYPE STRING,
XSNTREASONREJ TYPE STRING,
HASNOTE TYPE STRING,
ICONHASNOTE TYPE STRING,
ICONNTCATE TYPE STRING,
ICONNTPER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_RECP_CN_NOTICE_C_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_RECP_CN_NOTICE_C_STR-MANDT sy-vline 
WA_RECP_CN_NOTICE_C_STR-INTRENO sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTNO sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTCATE sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTACTIVE sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTACTIVATEDON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREVERSEDON sy-vline 
WA_RECP_CN_NOTICE_C_STR-RERF sy-vline 
WA_RECP_CN_NOTICE_C_STR-DERF sy-vline 
WA_RECP_CN_NOTICE_C_STR-TERF sy-vline 
WA_RECP_CN_NOTICE_C_STR-REHER sy-vline 
WA_RECP_CN_NOTICE_C_STR-RBEAR sy-vline 
WA_RECP_CN_NOTICE_C_STR-DBEAR sy-vline 
WA_RECP_CN_NOTICE_C_STR-TBEAR sy-vline 
WA_RECP_CN_NOTICE_C_STR-RBHER sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTPER sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTRECEIPT sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTPARTY sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTEXTRAORD sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREASON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREASONREJ sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTAPPROVEDON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREJECTEDON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTOBJECTIONON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTLEGALDEPTON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTWITHDRAWALON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREQUESTON sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTFOLLPOSTDUE sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTREQUESTUSE sy-vline 
WA_RECP_CN_NOTICE_C_STR-NTCALCULATED sy-vline 
WA_RECP_CN_NOTICE_C_STR-XNTCATE sy-vline 
WA_RECP_CN_NOTICE_C_STR-XNTPARTY sy-vline 
WA_RECP_CN_NOTICE_C_STR-XCNPARTNER sy-vline 
WA_RECP_CN_NOTICE_C_STR-XNTREASON sy-vline 
WA_RECP_CN_NOTICE_C_STR-XSNTREASON sy-vline 
WA_RECP_CN_NOTICE_C_STR-XNTREASONREJ sy-vline 
WA_RECP_CN_NOTICE_C_STR-XSNTREASONREJ sy-vline 
WA_RECP_CN_NOTICE_C_STR-HASNOTE sy-vline 
WA_RECP_CN_NOTICE_C_STR-ICONHASNOTE sy-vline 
WA_RECP_CN_NOTICE_C_STR-ICONNTCATE sy-vline 
WA_RECP_CN_NOTICE_C_STR-ICONNTPER sy-vline      INTO ld_text SEPARATED BY SPACE.

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