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https://issues.apache.org/jira/browse/IGNITE-23239?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17925549#comment-17925549
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Julia Bakulina commented on IGNITE-23239:
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at the moment development of this task is not planned
> JDBC: support and optimize stream APIs for CLOBs
> ------------------------------------------------
>
> Key: IGNITE-23239
> URL: https://issues.apache.org/jira/browse/IGNITE-23239
> Project: Ignite
> Issue Type: Task
> Reporter: Sergey Korotkov
> Priority: Minor
> Labels: ise, jdbc
>
> Currently the stream-related APIs for CLOBs are not supported in JDBC drivers
> (both client and thin). Say the following ones:
> * Clob.setCharacterStream
> * Clob.setAsciiStream
> * PreparedStatement.setClob(int parameterIndex, Reader reader)
> * PreparedStatement.setCharacterStream
> * PreparedStatement.setAsciiStream
> *
> PreparedStatement.setUnicodeStream
> It makes the creation of CLOBs inefficient (memory wise) for large data.
> The whole data should be preloaded to RAM before the LOB creation.
> After that several copies of the input memory blocks are created just to pass
> it to prepared statement etc. It should be optimized to reduce the heap
> memory requirements.
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