" *****************************************************************************************************
*
*  outparm1.txt
*
*   This examples shows how to get an output parameter
*
*
*
******************************************************************************************************"

|connection1  aTextDisplay connectString statement1 sqlStatement numParms parmValue
    parmSqlType|

aTextDisplay := TextWindow  windowLabeled: 'ODBC Interface - Using setparam'
                           frame: (0 @ 0 corner: 500 @ 500).
aTextDisplay cr.



" *** Open the connection ****"
connection1 := OdbcConnection open.
connection1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: connection1 getMessage; cr
    ].



" *** Driver  Connect ***  "
connectString :=  connection1 driverConnect: '' window: aTextDisplay
        driverCompletion: (OdbcDriverCompletions at: 'DRIVERPROMPT').

connection1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: connection1 getMessage; cr
    ].

" *** allocate a new statement *** "
statement1:= connection1 newStatement.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].

" this procedures returns the current date in the parameter"
sqlStatement:= 'call outdate(?)'.


"*** prepare   ***"
statement1 prepare: sqlStatement.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].

statement1 bindOutputParameter: 1 fSqlType: Date fSqlType.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].


"*** execute the statement  ***"
statement1 execute.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].


aTextDisplay nextPutAll: 'Returned value: '
	; nextPutAll: (statement1 parmValue: 1) asString; cr.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].


"*** free the statement *** "
statement1 freeParamBuffer.
statement1 drop.
statement1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: statement1 getMessage; cr
    ].

" *** disconnect *** "
connection1 disconnect.
connection1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: connection1 getMessage; cr
    ].


" *** free the connection *** "

connection1 free.
connection1 hasError
    ifTrue:
    [    aTextDisplay nextPutAll: connection1 getMessage; cr
    ].


aTextDisplay cr ; nextPutAll: '*** finished executing ***'.
