spark技术分享HiveAnalysis PostHoc Logical Resolution Rule
HiveAnalysis is a logical posthoc resolution rule that the Hive-specific logical query plan analyzer uses to FIXME.
Technically, HiveAnalysis is a Catalyst rule for transforming logical plans, i.e. Rule[LogicalPlan].
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// FIXME Example of HiveAnalysis |
Applying HiveAnalysis Rule to Logical Plan (Executing HiveAnalysis) — apply Method
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apply(plan: LogicalPlan): LogicalPlan |
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Note
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apply is part of Rule Contract to apply a rule to a logical plan.
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apply…FIXME
