Re: macaddr data type and prepared statements

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От Steve Foster
Тема Re: macaddr data type and prepared statements
Дата
Msg-id 4898134D.8000102@leeds.ac.uk
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Ответ на Re: macaddr data type and prepared statements  (Oliver Jowett <oliver@opencloud.com>)
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Hi Folks,

OK Think I've got it sorted... At least I'm inserting using a prepared
statement, the following worked fine. Anyone got any suggestions as to
why I shouldn't do it this way, it feels right but its too simple so I'm
being cautious.

Cheers

Steve

----Code----

org.postgresql.util.PGobject MACADDR = new org.postgresql.util.PGobject();
MACADDR.setType("macaddr");
org.postgresql.util.PGobject CIDR = new org.postgresql.util.PGobject();
CIDR.setType("cidr");


try {

           Class.forName("org.postgresql.Driver");
           conn = DriverManager.getConnection(jdbc_url, jdbc_user,
jdbc_pass);

           PreparedStatement stmt = conn.prepareStatement("insert into
log (date, time, mac, network) values (?,?,?,?)");

           while (inputLineIterator.hasNext()) {
               String[] line = inputLineIterator.next();
               if (line == null) {
                   continue;
               }
           MACADDR.setValue(line[2]);
           CIDR.setValue(line[3]);

           stmt.setDate(1, new java.sql.Date(
dfmt.parse(line[0]).getTime()) );
           stmt.setTime(2, new java.sql.Time(
tfmt.parse(line[1]).getTime()) );
           stmt.setObject(3, MACADDR);
           stmt.setString(4, CIDR);
           stmt.execute();
           }

           stmt.close();
}

----Code----

Oliver Jowett wrote:
> Dave Cramer wrote:
>
>> You can extend PGobject to create a PGMacaddr object to get it to
>> work with prepared statements
>
> Or you can put an explicit cast in your insert statement.
>
> -O
>


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