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https://issues.apache.org/jira/browse/OPENJPA-1577?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fay Wang reassigned OPENJPA-1577:
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Assignee: Fay Wang
> Using @Strategy in Queries not working properly
> -----------------------------------------------
>
> Key: OPENJPA-1577
> URL: https://issues.apache.org/jira/browse/OPENJPA-1577
> Project: OpenJPA
> Issue Type: Bug
> Affects Versions: 2.0.0-beta2
> Environment: Ubuntu 9.10, Maven 2.2.1, Spring 3.0.1
> Reporter: Oliver Ringel
> Assignee: Fay Wang
> Attachments: openjpa1577.tar
>
>
> I try to use a field that is annotated with @Strategy in a Query.
> I expected that everytime the query is executed the toDataStoreValue method
> of the ValueHandler is called to prepare the correct values for the SQL query.
> This is only happens once. The next time the Query is executed the
> ValueHandler is not called.
> Here is the interesting part of the logging
> 1st call:
> [DEBUG,Query,main] Executing query: [select s from SimpleEntity s where
> s.base = :base and s.name = :name] with parameters: {name=james, base=1}
> toDataStoreValue: 1
> [DEBUG,SQL,main] <t 805562662, conn 2071272094> executing prepstmnt
> 1531692262 SELECT t0.id, t0.version, t0.base, t0.street, t0.my_name FROM
> some_objects t0 WHERE (t0.base = ? AND t0.my_name = ?) [params=(String)
> base1, (String) james]
> 2nd call:
> [DEBUG,Query,main] Executing query: [select s from SimpleEntity s where
> s.base = :base and s.name = :name] with parameters: {0=2, 1=henry}
> [DEBUG,SQL,main] <t 805562662, conn 2071272094> executing prepstmnt 106030716
> SELECT t0.id, t0.version, t0.base, t0.street, t0.my_name FROM some_objects t0
> WHERE (t0.base = ? AND t0.my_name = ?) [params=(String) 2, (String) henry]
> You can see that the parameter list has changed after the first call. Some
> kind of transformation (caching?) prevents calling the ValueHandler again.
> This is only a vague presumption.
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