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https://issues.apache.org/jira/browse/DERBY-6206?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rick Hillegas updated DERBY-6206:
---------------------------------
Attachment: derby-6206-05-aa-implSQL.diff
Attaching derby-6206-05-aa-implSQL.diff. This patch fixes some mutability
problems in the org.apache.derby.impl.sql package. I am running tests now.
Two types of problems are addressed in GenericResultDescription and
GenericPreparedStatement:
1) Mutable Timestamps are copied. This copying occurs once per statement
execution.
2) Arrays of parameter and column types are copied. New type getters are
introduced which return a single type rather than the whole array. The new
getters are used when the type is retrieved more than once per statement
execution.
Touches the following files:
M java/engine/org/apache/derby/iapi/sql/ResultDescription.java
M java/engine/org/apache/derby/iapi/sql/PreparedStatement.java
M java/engine/org/apache/derby/impl/sql/GenericResultDescription.java
M java/engine/org/apache/derby/impl/sql/execute/GenericAggregator.java
M java/engine/org/apache/derby/impl/sql/GenericPreparedStatement.java
M java/engine/org/apache/derby/impl/jdbc/EmbedPreparedStatement.java
> Cleanup suspect coding practices in misc Derby packages
> -------------------------------------------------------
>
> Key: DERBY-6206
> URL: https://issues.apache.org/jira/browse/DERBY-6206
> Project: Derby
> Issue Type: Bug
> Components: SQL
> Affects Versions: 10.11.0.0
> Reporter: Rick Hillegas
> Assignee: Rick Hillegas
> Priority: Minor
> Attachments: derby-6206-01-aa-NetworkServerControlImpl.diff,
> derby-6206-02-aa-ExecutionContext.diff, derby-6206-03-aa-XPLAIN.diff,
> derby-6206-04-aa-implJDBC.diff, derby-6206-04-ab-implJDBC.diff,
> derby-6206-05-aa-implSQL.diff
>
>
> Similar to DERBY-6177.
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