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https://issues.apache.org/jira/browse/HCATALOG-81?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sushanth Sowmyan updated HCATALOG-81:
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Description:
We need the ability for a M/R program calling HCatIF/HCatOF to override
parameters that are loaded from HiveConf.
This can be provided as an optional method for HCatIF/HCatOF, that takes a
Properties object, which we can iterate over, to check if they match
HiveConf.ConfVars, and if they do, then we set it to override what we otherwise
have loaded from HiveConf.
A similar mechanism will eventually be needed for HCatStorer and HCatLoader as
well, but that will have to match Pig semantics.
was:
We need the ability for a M/R program calling HCatIF/HCatOF to override
parameters that are loaded from HiveConf.
This can be provided as an optional ctor for HCatIF/HCatOF, with a Properties
object, which we can iterate over, to check if they match HiveConf.ConfVars,
and if they do, then we set it.
A similar mechanism will eventually be needed for HCatStorer and HCatLoader as
well, but that will have to match Pig semantics.
> Ability to specify HiveConf overrides into HCatInputFormat/HCatOutputFormat
> constructors
> ----------------------------------------------------------------------------------------
>
> Key: HCATALOG-81
> URL: https://issues.apache.org/jira/browse/HCATALOG-81
> Project: HCatalog
> Issue Type: Improvement
> Reporter: Sushanth Sowmyan
> Assignee: Sushanth Sowmyan
>
> We need the ability for a M/R program calling HCatIF/HCatOF to override
> parameters that are loaded from HiveConf.
> This can be provided as an optional method for HCatIF/HCatOF, that takes a
> Properties object, which we can iterate over, to check if they match
> HiveConf.ConfVars, and if they do, then we set it to override what we
> otherwise have loaded from HiveConf.
> A similar mechanism will eventually be needed for HCatStorer and HCatLoader
> as well, but that will have to match Pig semantics.
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