ABAP Select data from SAP table FMCA_CORR_TURNAR_BRFMSG_S into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM FMCA_CORR_TURNAR_BRFMSG_S
*  INTO TABLE @DATA(IT_FMCA_CORR_TURNAR_BRFMSG_S2).
*--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_FMCA_CORR_TURNAR_BRFMSG_S INDEX 1 INTO DATA(WA_FMCA_CORR_TURNAR_BRFMSG_S2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<FMCA_CORR_TURNAR_BRFMSG_S>-WA_BRF_MSG = 1.
<FMCA_CORR_TURNAR_BRFMSG_S>-CLIENT = 1.
<FMCA_CORR_TURNAR_BRFMSG_S>-MSGID = 1.
<FMCA_CORR_TURNAR_BRFMSG_S>-MSGNO = 1.
<FMCA_CORR_TURNAR_BRFMSG_S>-RETURN_ID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_FMCA_CORR_TURNAR_BRFMSG_S-ISSUED_BY, sy-vline,
  WA_FMCA_CORR_TURNAR_BRFMSG_S-FIELD_NAME, sy-vline,
  WA_FMCA_CORR_TURNAR_BRFMSG_S-LINE_NO, sy-vline,
  WA_FMCA_CORR_TURNAR_BRFMSG_S-MSG_GUID, sy-vline,
  WA_FMCA_CORR_TURNAR_BRFMSG_S-MSGTY, sy-vline,
  WA_FMCA_CORR_TURNAR_BRFMSG_S-BORTYP, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_FMCA_CORR_TURNAR_BRFMSG_S 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_FMCA_CORR_TURNAR_BRFMSG_S 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_FMCA_CORR_TURNAR_BRFMSG_S INTO WA_FMCA_CORR_TURNAR_BRFMSG_S.


*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_FMCA_CORR_TURNAR_BRFMSG_S_STR, 
WA_BRF_MSG TYPE STRING,
CLIENT TYPE STRING,
MSGID TYPE STRING,
MSGNO TYPE STRING,
RETURN_ID TYPE STRING,
ISSUED_BY TYPE STRING,
FIELD_NAME TYPE STRING,
LINE_NO TYPE STRING,
MSG_GUID TYPE STRING,
MSGTY TYPE STRING,
BORTYP TYPE STRING,
MDATE TYPE STRING,
AEDAT TYPE STRING,
TIME TYPE STRING,
AETIM TYPE STRING,
UNAME TYPE STRING,
AENAM TYPE STRING,
STATUS TYPE STRING,
LOGAP TYPE STRING,
MSGV1 TYPE STRING,
MSGV2 TYPE STRING,
MSGV3 TYPE STRING,
MSGV4 TYPE STRING,
CLOSED_BY_USER TYPE STRING,END OF T_EKKO_STR.
DATA: WA_FMCA_CORR_TURNAR_BRFMSG_S_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_FMCA_CORR_TURNAR_BRFMSG_S_STR-WA_BRF_MSG sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-CLIENT sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGID sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGNO sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-RETURN_ID sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-ISSUED_BY sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-FIELD_NAME sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-LINE_NO sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSG_GUID sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGTY sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-BORTYP sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MDATE sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-AEDAT sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-TIME sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-AETIM sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-UNAME sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-AENAM sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-STATUS sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-LOGAP sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGV1 sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGV2 sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGV3 sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-MSGV4 sy-vline 
WA_FMCA_CORR_TURNAR_BRFMSG_S_STR-CLOSED_BY_USER sy-vline      INTO ld_text SEPARATED BY SPACE.

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