incomplete batch-updates

From: "Marcel Steinbach" <steinbach(at)gmx(dot)com>
To: pgsql-jdbc(at)postgresql(dot)org
Subject: incomplete batch-updates
Date: 2007-07-11 13:17:19
Message-ID: 20070711131719.313880@gmx.net
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Hello,

i'm having trouble with batches. When I run into an BatchUpdateException,
the table is filled up to a multiple of 256 records (guess, the batch seems to be executed in 256-steps), and, for example, if the Exception was thrown at the 300. statements, the tablesize is 256, and 44 are missing - but: The getUpdateCount() says, that all statements until the Exception (299) affacted "1" row.

My code looks something like this:
---------------------------------------------------------
PreparedStatement stmt = con.prepareStatement(sql);
con.setAutoCommit(true);

for (int i = 0; i < objectBuffer.length; i++) {
for (int j =0; j < objectBuffer[i].length; j++) {
stmt.setObject(j+1, objectBuffer[i][j]);
}
stmt.addBatch();
}

int updateCount[] = { };
try {
updateCount = stmt.executeBatch();
} catch (...) { ...

---------------------------------------------------------

Some ideas whats wrong? I'm using postgresql-8.1-405.jdbc3.

Best Regards

Marcel Steinbach

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