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JDBC driver throws SQLException while parsing timestamp

From: pgsql-bugs(at)postgresql(dot)org
To: pgsql-bugs(at)postgresql(dot)org
Subject: JDBC driver throws SQLException while parsing timestamp
Date: 2001-01-25 11:28:57
Message-ID: 200101251128.f0PBSvI28834@hub.org (view raw or flat)
Thread:
Lists: pgsql-bugs
Alexander Dietrich (adietrich(at)webantz(dot)com) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
JDBC driver throws SQLException while parsing timestamp

Long Description
Hi,

there's a discrepancy between PreparedStatement.setTimestamp() and
ResultSet.getTimestamp() related to a timestamp format that may or
may not be valid (sorry I can't give a complete code sample):
-----
I do something like this to store the timestamp:

Connection conn = ConnectionFactory.getConnection();
PreparedStatement stmt = conn.prepareStatement(getInsertString());
[...]
stmt.setTimestamp(5, new Timestamp(System.currentTimeMillis()));
stmt.executeUpdate();
-----
This is an example of what ends up in the database:
type: timestamp, value: "2001-01-25 11:33:19.50+01"
(Checked with psql)
-----
But when retrieving the data:

[...]
ResultSet rs = stmt.executeQuery(queryStr);
Timestamp timestamp = rs.getTimestamp("CREATION_TIME");

An SQLException is thrown:

Bad Timestamp Format at 19 in 2001-01-25 11:33:19.50+01

java.lang.Throwable()
java.lang.Exception()
java.sql.SQLException()
org.postgresql.util.PSQLException(java.lang.String, java.lang.Object, java.lang.Object)
java.sql.Timestamp org.postgresql.jdbc2.ResultSet.getTimestamp(int)
java.sql.Timestamp org.postgresql.jdbc2.ResultSet.getTimestamp(java.lang.String)
[...]
-----

Obviously the getTimestamp() method chokes on the millisecond field
in the timestamp. A timestamp like "2001-01-25 11:33:19+01" does not
pose a problem.

My configuration is:
Server:
RedHat 7.0 (x86), 2.2.16-22
postgresql-server-7.0.3-2
postgresql-7.0.3-2
postgresql-jdbc-7.0.3-2

Client:
JVM: 1.2.2 inside VisualAge 3.5 Patch 2
JDBC driver: jdbc7.0-1.2.jar

Regards,
Alexander Dietrich

Sample Code


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