ABAP Select data from SAP table WSALALRAWRC into internal table

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

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

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

*Select data and declare internal table using in-line method @DATA
*SELECT *
*  FROM WSALALRAWRC
*  INTO TABLE @DATA(IT_WSALALRAWRC2).
*--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_WSALALRAWRC INDEX 1 INTO DATA(WA_WSALALRAWRC2).


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

*To update a field value using a field symbol simply change the value via the field symbol pointer
<WSALALRAWRC>-CONTROLLER = 1.
<WSALALRAWRC>-RC = 1.
<WSALALRAWRC>-AID = 1.
<WSALALRAWRC>-CONTROLLER = 1.
<WSALALRAWRC>-ALSYSID = 1.

ENDLOOP.

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

*Write selected data to screen/report before conversion.
  WRITE:/ sy-vline,   WA_WSALALRAWRC-MSEGNAME, sy-vline,
  WA_WSALALRAWRC-ALUNIQNUM, sy-vline,
  WA_WSALALRAWRC-ALINDEX, sy-vline,
  WA_WSALALRAWRC-ALERTDATE, sy-vline,
  WA_WSALALRAWRC-ALERTTIME, sy-vline,
  WA_WSALALRAWRC-TID, sy-vline.
ENDLOOP.
   
*Add any further fields from structure WA_WSALALRAWRC 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_WSALALRAWRC 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_WSALALRAWRC INTO WA_WSALALRAWRC.


*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_WSALALRAWRC_STR, 
CONTROLLER TYPE STRING,
RC TYPE STRING,
AID TYPE STRING,
CONTROLLER TYPE STRING,
ALSYSID TYPE STRING,
MSEGNAME TYPE STRING,
ALUNIQNUM TYPE STRING,
ALINDEX TYPE STRING,
ALERTDATE TYPE STRING,
ALERTTIME TYPE STRING,
TID TYPE STRING,
CONTROLLER TYPE STRING,
MTSYSID TYPE STRING,
MTMCNAME TYPE STRING,
MTNUMRANGE TYPE STRING,
MTUID TYPE STRING,
MTCLASS TYPE STRING,
MTINDEX TYPE STRING,
EXTINDEX TYPE STRING,
VALUE TYPE STRING,
SEVERITY TYPE STRING,
STATUS TYPE STRING,
OBJECTNAME TYPE STRING,
FIELDNAME TYPE STRING,
GONE_DATE TYPE STRING,
GONE_TIME TYPE STRING,
REPORTED_BY TYPE STRING,
STAT_CHANGE_DATE TYPE STRING,
STAT_CHANGE_TIME TYPE STRING,
CHANGED_BY TYPE STRING,
TIMEOUT_DATA TYPE STRING,
TIMEOUT_TIME TYPE STRING,
MESSAGE TYPE STRING,
CONTROLLER TYPE STRING,
MSG_CLASS TYPE STRING,
MSG_ID TYPE STRING,
MSGARG1 TYPE STRING,
ARGTYPE1 TYPE STRING,
MSGARG2 TYPE STRING,
ARGTYPE2 TYPE STRING,
MSGARG3 TYPE STRING,
ARGTYPE3 TYPE STRING,
MSGARG4 TYPE STRING,
ARGTYPE4 TYPE STRING,
MSGTEXT TYPE STRING,
ABAPCLIENT TYPE STRING,
USER TYPE STRING,
MSC_LINE_ID TYPE STRING,END OF T_EKKO_STR.
DATA: WA_WSALALRAWRC_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_WSALALRAWRC_STR-CONTROLLER sy-vline 
WA_WSALALRAWRC_STR-RC sy-vline 
WA_WSALALRAWRC_STR-AID sy-vline 
WA_WSALALRAWRC_STR-CONTROLLER sy-vline 
WA_WSALALRAWRC_STR-ALSYSID sy-vline 
WA_WSALALRAWRC_STR-MSEGNAME sy-vline 
WA_WSALALRAWRC_STR-ALUNIQNUM sy-vline 
WA_WSALALRAWRC_STR-ALINDEX sy-vline 
WA_WSALALRAWRC_STR-ALERTDATE sy-vline 
WA_WSALALRAWRC_STR-ALERTTIME sy-vline 
WA_WSALALRAWRC_STR-TID sy-vline 
WA_WSALALRAWRC_STR-CONTROLLER sy-vline 
WA_WSALALRAWRC_STR-MTSYSID sy-vline 
WA_WSALALRAWRC_STR-MTMCNAME sy-vline 
WA_WSALALRAWRC_STR-MTNUMRANGE sy-vline 
WA_WSALALRAWRC_STR-MTUID sy-vline 
WA_WSALALRAWRC_STR-MTCLASS sy-vline 
WA_WSALALRAWRC_STR-MTINDEX sy-vline 
WA_WSALALRAWRC_STR-EXTINDEX sy-vline 
WA_WSALALRAWRC_STR-VALUE sy-vline 
WA_WSALALRAWRC_STR-SEVERITY sy-vline 
WA_WSALALRAWRC_STR-STATUS sy-vline 
WA_WSALALRAWRC_STR-OBJECTNAME sy-vline 
WA_WSALALRAWRC_STR-FIELDNAME sy-vline 
WA_WSALALRAWRC_STR-GONE_DATE sy-vline 
WA_WSALALRAWRC_STR-GONE_TIME sy-vline 
WA_WSALALRAWRC_STR-REPORTED_BY sy-vline 
WA_WSALALRAWRC_STR-STAT_CHANGE_DATE sy-vline 
WA_WSALALRAWRC_STR-STAT_CHANGE_TIME sy-vline 
WA_WSALALRAWRC_STR-CHANGED_BY sy-vline 
WA_WSALALRAWRC_STR-TIMEOUT_DATA sy-vline 
WA_WSALALRAWRC_STR-TIMEOUT_TIME sy-vline 
WA_WSALALRAWRC_STR-MESSAGE sy-vline 
WA_WSALALRAWRC_STR-CONTROLLER sy-vline 
WA_WSALALRAWRC_STR-MSG_CLASS sy-vline 
WA_WSALALRAWRC_STR-MSG_ID sy-vline 
WA_WSALALRAWRC_STR-MSGARG1 sy-vline 
WA_WSALALRAWRC_STR-ARGTYPE1 sy-vline 
WA_WSALALRAWRC_STR-MSGARG2 sy-vline 
WA_WSALALRAWRC_STR-ARGTYPE2 sy-vline 
WA_WSALALRAWRC_STR-MSGARG3 sy-vline 
WA_WSALALRAWRC_STR-ARGTYPE3 sy-vline 
WA_WSALALRAWRC_STR-MSGARG4 sy-vline 
WA_WSALALRAWRC_STR-ARGTYPE4 sy-vline 
WA_WSALALRAWRC_STR-MSGTEXT sy-vline 
WA_WSALALRAWRC_STR-ABAPCLIENT sy-vline 
WA_WSALALRAWRC_STR-USER sy-vline 
WA_WSALALRAWRC_STR-MSC_LINE_ID sy-vline      INTO ld_text SEPARATED BY SPACE.

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