Revision: 46567
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at May 21, 2011 16:00 by arunpjohny
Initial Code
conn.setAutoCommit(false);
// Get the Large Object Manager to perform operations with
LargeObjectManager lobj = ((org.postgresql.PGConnection)conn).getLargeObjectAPI();
// Create a new large object
int oid = lobj.create(LargeObjectManager.READ | LargeObjectManager.WRITE);
// Open the large object for writing
LargeObject obj = lobj.open(oid, LargeObjectManager.WRITE);
// Now open the file
File file = new File("myimage.gif");
FileInputStream fis = new FileInputStream(file);
// Copy the data from the file to the large object
byte buf[] = new byte[2048];
int s, tl = 0;
while ((s = fis.read(buf, 0, 2048)) > 0) {
obj.write(buf, 0, s);
tl += s;
}
// Close the large object
obj.close();
//later
ps.setInt(<index>, oid);
conn.commit();
conn.close();
Initial URL
http://www.postgresql.org/docs/7.4/static/jdbc-binary-data.html
Initial Description
Initial Title
Postgres: How to insert oid value using JDBC API
Initial Tags
Initial Language
Java