spark技术分享TimeWindowing Logical Resolution Rule
TimeWindowing is a logical resolution rule that FIXME in a logical query plan.
TimeWindowing is part of the Resolution fixed-point batch in the standard batches of the Analyzer.
TimeWindowing is simply a Catalyst rule for transforming logical plans, i.e. Rule[LogicalPlan].
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// FIXME: DEMO |
Executing Rule — apply Method
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apply(plan: LogicalPlan): LogicalPlan |
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Note
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apply is part of the Rule Contract to execute (apply) a rule on a TreeNode (e.g. LogicalPlan).
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apply…FIXME
