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From "Milosz Tylenda (JIRA)" <j...@apache.org>
Subject [jira] Commented: (OPENJPA-1248) LOB streaming does not work as expected
Date Wed, 11 Nov 2009 11:48:39 GMT

    [ https://issues.apache.org/jira/browse/OPENJPA-1248?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776421#action_12776421
] 

Milosz Tylenda commented on OPENJPA-1248:
-----------------------------------------

Using Reader with PostgreSQL is questionable because their Large Object API supports binary
streams only. I was thinking of emulating Reader but the amount of changes made me be in favour
of just documenting that only InputStream can be used with PostgreSQL. The Reader support
could be added if demand surfaces.

Another PostgreSQL quirk is similar to Oracle API problems. We cast Connection to PGConnection
which fails if the Connection is wrapped, for example, by DBCP. Currently the TestInputStreamLob
passes when run without pooling (e.g. from an IDE) but not with the test suite (which uses
DBCP).




> LOB streaming does not work as expected
> ---------------------------------------
>
>                 Key: OPENJPA-1248
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1248
>             Project: OpenJPA
>          Issue Type: Bug
>          Components: jdbc
>    Affects Versions: 1.1.0, 1.2.0, 1.2.1, 1.3.0, 2.0.0
>         Environment: Oracle, MySQL, PostgreSQL, SQL Server
>            Reporter: Milosz Tylenda
>         Attachments: failures.txt, TestReaderLob_oracle.log
>
>
> TestReaderLob does not pass with any of the databases indicated in the test case: Oracle,
MySQL, PostgreSQL, SQL Server. TestInputStreamLob passes only with MySQL and PostgreSQL.

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