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https://issues.apache.org/jira/browse/PIG-1317?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pradeep Kamath updated PIG-1317:
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Assignee: Pradeep Kamath
> LOLoad should cache results of LoadMetadata.getSchema() for use in subsequent
> calls to LOLoad.getSchema() or LOLoad.determineSchema()
> -------------------------------------------------------------------------------------------------------------------------------------
>
> Key: PIG-1317
> URL: https://issues.apache.org/jira/browse/PIG-1317
> Project: Pig
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Pradeep Kamath
> Assignee: Pradeep Kamath
> Fix For: 0.7.0
>
>
> In LOLoad.getProjectionMap(), the private method determineSchema() is called
> which inturn calls LoadMetadata.getSchema() - the latter call could
> potentially be expensive if the input file is read to determine the schema or
> a metadata system is contacted to get the schema - determineSchema() can
> cache the schema it gets so that subsequent calls use the cached version.
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