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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-6206-02-aa-ExecutionContext.diff

Attaching derby-6206-02-aa-ExecutionContext.diff. This patch improves the 
encapsulation of the constants and string names for transaction isolation 
levels. I am running tests now.

The patch moves the constants and their names from the ExecutionContext 
interface to the TransactionControl class. Moving them to a class makes it 
possible to retrieve values in a safe way with accessor methods.

Touches the following files:

--------------------

M       java/engine/org/apache/derby/iapi/sql/execute/ExecutionContext.java
M       java/engine/org/apache/derby/iapi/transaction/TransactionControl.java

The substance of the patch.

--------------------

M       
java/engine/org/apache/derby/iapi/sql/conn/LanguageConnectionContext.java
M       java/engine/org/apache/derby/impl/sql/GenericStatement.java
M       java/engine/org/apache/derby/impl/sql/compile/CompilerContextImpl.java
M       java/engine/org/apache/derby/impl/sql/compile/FromVTI.java
M       java/engine/org/apache/derby/impl/sql/compile/FromBaseTable.java
M       java/engine/org/apache/derby/impl/sql/compile/sqlgrammar.jj
M       
java/engine/org/apache/derby/impl/sql/conn/GenericLanguageConnectionContext.java
M       java/engine/org/apache/derby/impl/sql/execute/ScanResultSet.java
M       java/engine/org/apache/derby/impl/sql/execute/DMLWriteResultSet.java
M       java/engine/org/apache/derby/impl/sql/execute/RowChangerImpl.java
M       java/engine/org/apache/derby/impl/sql/execute/VTIResultSet.java
M       java/engine/org/apache/derby/impl/jdbc/EmbedConnection.java
M       java/drda/org/apache/derby/impl/drda/DRDAStatement.java

Corresponding changes to classes which reference the constants and their string 
names.

                
> 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
>
>
> Similar to DERBY-6177.

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