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https://issues.apache.org/jira/browse/DERBY-3046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12537832
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Mamta A. Satoor commented on DERBY-3046:
----------------------------------------
Committed the changes into trunk using revision 588527. The commit comments
were as follows
DERBY-3046
This commit will ensure that setObject returns the same exception in both
Network Server and Embedded WHEN the
PreparedStatement has no parameters associated with it at all. Without the
changes that are going in this commit,
following sql will return different exceptions in Embedded and Network Server
(this test case is copied from
derbynet.PrepareStatementTest).
ps = prepareStatement("insert into WISH_LIST(WISH_ITEM) values ('bb')");
ps.setObject(1,"cc",java.sql.Types.VARCHAR);
ps.setObject in Embedded will throw SQL State 07009 whereas in Network Server,
it will throw SQL State XCL13.
As part of this commit, in the example case above, we will always throw SQL
State 07009 in both Embedded and
Network Server.
> setObj(int,Object,int) causes NPE if no parameter markers are present; should
> generate SQLException as for setObject(int,Object)
> --------------------------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-3046
> URL: https://issues.apache.org/jira/browse/DERBY-3046
> Project: Derby
> Issue Type: Bug
> Components: JDBC, Network Client
> Affects Versions: 10.3.1.4
> Reporter: Sebb
> Assignee: Mamta A. Satoor
> Priority: Minor
> Fix For: 10.3.1.5, 10.4.0.0
>
>
> Change WwdClientExample so that there are no parameters, e.g.
> psInsert = conn.prepareStatement("insert into WISH_LIST(WISH_ITEM) values
> ('?')");
> Now change
> psInsert.setString(1,answer);
> to
> psInsert.setObject(1,answer);
> and the error is OK:
> SQLState: XCL14
> Severity: 20000
> Message: The column position '1' is out of range. The number of columns for
> this ResultSet is '0'.
> java.sql.SQLException: The column position '1' is out of range. The number
> of columns for this ResultSet is '0'.
> [...]
> However, using:
> psInsert.setObject(1,answer,java.sql.Types.VARCHAR);
> causes an NPE:
> java.lang.NullPointerException
> at
> org.apache.derby.client.am.PreparedStatement.checkForValidParameterIndex(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.setObjectX(Unknown
> Source)
> at org.apache.derby.client.am.PreparedStatement.setObject(Unknown
> Source)
> at WwdClientExample.main(WwdClientExample.java:93)
> Surely it should behave the same as the previous method call - i.e. return an
> SQLException?
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