Unai Vivi created DERBY-6037:
--------------------------------
Summary: ResultSet.wasNull() returns false for null VARCHAR columns
Key: DERBY-6037
URL: https://issues.apache.org/jira/browse/DERBY-6037
Project: Derby
Issue Type: Bug
Components: JDBC, SQL
Affects Versions: 10.9.1.0, 10.8.1.2
Environment: Java 7u7
Reporter: Unai Vivi
ResultSet.wasNull() returns false after a ResultSet.getString("COLUMNNAME") on
a null VARCHAR field.
E.g.
<pre>
ResultSet rs = null;
//[...]
rs = s.executeQuery("select EXAMPLE_PK,BLAHBLAH,COLUMN from MYTABLE
order by EXAMPLE_PK desc");
while (rs.next())
{
//[...]
String myStr = rs.getString("COLUMN");//all rows have SQL null
for field COLUMN
if (rs.wasNull())
{//never gets here
[...]
}
//[...]
</pre>
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