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https://issues.apache.org/jira/browse/TAP5-2589?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jochen Kemnade updated TAP5-2589:
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Fix Version/s: 5.5.0
> Improve Grid implementation for "slow" data sources
> ---------------------------------------------------
>
> Key: TAP5-2589
> URL: https://issues.apache.org/jira/browse/TAP5-2589
> Project: Tapestry 5
> Issue Type: Improvement
> Components: tapestry-core
> Reporter: Jochen Kemnade
> Fix For: 5.5.0
>
>
> When using a Grid that's backed by a data source for which performing a count
> is expensive, performance is quite bad.
> There are some places where Grid (and subcomponents) call
> {{getAvailableRows()}} to determine whether the data source is empty or has
> (at least) a specific number of results. We should provide (and use) more
> specific and efficient methods in {{GridDataSource}}.
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