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From "Kristian Waagan (JIRA)" <derby-...@db.apache.org>
Subject [jira] Updated: (DERBY-1417) Add new, lengthless overloads to the streaming api
Date Mon, 28 Aug 2006 17:00:24 GMT
     [ http://issues.apache.org/jira/browse/DERBY-1417?page=all ]

Kristian Waagan updated DERBY-1417:
-----------------------------------

    Attachment: derby-1417-9a-blobstream-newapproach.diff
                derby-1417-9a-blobstream-newapproach.stat

Knut Anders,

Your worries make sense. However, I think there is an easier solution. Since the only place
that has to be changed to enable blob streaming is SQLBlob.setWidth, I have modified it accordingly.
No changes are done to code elsewhere, and if getLength is called the stream will be materialized
as before this patch. This can be handled as/if it is detected, and we might reconsider your
solution.

The new, and hopefully last patch, is 'derby-1417-9a-blobstream-newapproach.diff'. It implements
a different approach and deprecates revision 8a. I also updated the single test that was failing
to an incorrect SQL state in the test (see comment from 24/Aug/06 02:35 AM above).

I ran derbyall with JDK 1.6, and the only test failing was TestQueryObject (awaiting bugfix
in the JDK?).

Thanks,

> Add new, lengthless overloads to the streaming api
> --------------------------------------------------
>
>                 Key: DERBY-1417
>                 URL: http://issues.apache.org/jira/browse/DERBY-1417
>             Project: Derby
>          Issue Type: New Feature
>          Components: JDBC
>    Affects Versions: 10.2.1.0
>            Reporter: Rick Hillegas
>         Assigned To: Kristian Waagan
>             Fix For: 10.2.1.0
>
>         Attachments: derby-1417-01-castsInTests.diff, derby-1417-1a-notImplemented.diff,
derby-1417-1a-notImplemented.stat, derby-1417-2a-rstest-refactor.diff, derby-1417-3a-embimpl-and-tests.diff,
derby-1417-3a-embimpl-and-tests.stat, derby-1417-3b-embimpl-and-tests.diff, derby-1417-3b-embimpl-and-tests.stat,
derby-1417-4a-disable-psTestsDnc.diff, derby-1417-5a-brokered.diff, derby-1417-5a-brokered.stat,
derby-1417-6a-clientimpl.diff, derby-1417-6a-clientimpl.stat, derby-1417-6b-clientimpl.diff,
derby-1417-6c-clientimpl.diff, derby-1417-6d-clientimpl.diff, derby-1417-7a-clientborderfix.diff,
derby-1417-7a-clientborderfix.stat, derby-1417-8a-enableblobstreaming.diff, derby-1417-8a-enableblobstreaming.stat,
derby-1417-9a-blobstream-newapproach.diff, derby-1417-9a-blobstream-newapproach.stat
>
>
> The JDBC4 Expert Group has approved a new set of overloads for the streaming methods.
These overloads do not take a length argument. Here are the new overloads:
> PreparedStatement.setAsciiStream(int parameterIndex, java.io.InputStream x)
> PreparedStatement.setBinaryStream(int parameterIndex, java.io.InputStream x)
> PreparedStatement.setCharacterStream(int parameterIndex, java.io.Reader reader)
> PreparedStatement.setNCharacterStream(int parameterIndex, java.io.Reader reader)
> PreparedStatement.setBlob(int parameterIndex, java.io.InputStream inputStream)
> PreparedStatement.setClob(int parameterIndex, java.io.Reader reader)
> PreparedStatement.setNClob(int parameterIndex, java.io.Reader reader)
> CallableStatement.setAsciiStream(java.lang.String parameterName, java.io.InputStream
x)
> CallableStatement.setBinaryStream(java.lang.String parameterName, java.io.InputStream
x)
> CallableStatement.setCharacterStream(java.lang.String parameterName, java.io.Reader reader)
> CallableStatement.setNCharacterStream(java.lang.String parameterName, java.io.Reader
reader)
> CallableStatement.setBlob(java.lang.String parameterName, java.io.InputStream inputStream)
> CallableStatement.setClob(java.lang.String parameterName, java.io.Reader reader)
> CallableStatement.setNClob(java.lang.String parameterName, java.io.Reader reader)
> ResultSet.updateAsciiStream(int columnIndex, java.io.InputStream x)
> ResultSet.updateAsciiStream(java.lang.String columnLabel, java.io.InputStream x)
> ResultSet.updateBinaryStream(int columnIndex, java.io.InputStream x)
> ResultSet.updateBinaryStream(java.lang.String columnLabel, java.io.InputStream x, int
length)
> ResultSet.updateCharacterStream(int columnIndex, java.io.Reader x)
> ResultSet.updateCharacterStream(java.lang.String columnLabel, java.io.Reader x)
> ResultSet.updateNCharacterStream(int columnIndex, java.io.Reader x)
> ResultSet.updateNCharacterStream(java.lang.String columnLabel, java.io.Reader x)  
> ResultSet.updateBlob(int columnIndex, java.io.InputStream inputStream)
> ResultSet.updateBlob(java.lang.String columnLabel, java.io.InputStream inputStream)
> ResultSet.updateClob(int columnIndex, java.io.Reader reader)
> ResultSet.updateClob(java.lang.String columnLabel, java.io.Reader reader)
> ResultSet.updateNClob(int columnIndex, java.io.Reader reader)
> ResultSet.updateNClob(java.lang.String columnLabel, java.io.Reader reader)
> We should add these new overloads soon so that the build will not break when this methods
turn up in a published Mustang build.

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