You are viewing a plain text version of this content. The canonical link for it is here.
Posted to derby-dev@db.apache.org by "John Hendrikx (JIRA)" <ji...@apache.org> on 2015/12/31 20:26:40 UTC
[jira] [Created] (DERBY-6849) Statement.RETURN_GENERATED_KEYS
returns "keys" even if there are no auto-generated fields
John Hendrikx created DERBY-6849:
------------------------------------
Summary: Statement.RETURN_GENERATED_KEYS returns "keys" even if there are no auto-generated fields
Key: DERBY-6849
URL: https://issues.apache.org/jira/browse/DERBY-6849
Project: Derby
Issue Type: Bug
Components: JDBC
Affects Versions: 10.9.1.0
Reporter: John Hendrikx
I have a very simple table:
CREATE TABLE images (
url varchar(1000) NOT NULL,
image blob NOT NULL,
CONSTRAINT images_url PRIMARY KEY (url)
);
No auto-generated fields. However when I do an insert, JDBC tells me there are auto-generated keys (rs.next() does not return false and a LONG value is returned):
try(PreparedStatement statement = connection.prepareStatement(sql, Statement.RETURN_GENERATED_KEYS)) {
setParameters(parameterValues, statement);
statement.execute();
try(ResultSet rs = statement.getGeneratedKeys()) {
if(rs.next()) {
return rs.getObject(1);
}
return null;
}
}
catch(SQLException e) {
throw new DatabaseException(this, sql + ": " + parameters, e);
}
This sounds like a bug to me. For comparison, PostgreSQL does not have the same behaviour.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)