public abstract static class PrunerExpressionOperatorFactory.ColumnExprProcessor extends Object implements NodeProcessor
Constructor and Description |
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ColumnExprProcessor() |
Modifier and Type | Method and Description |
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Object |
process(Node nd,
Stack<Node> stack,
NodeProcessorCtx procCtx,
Object... nodeOutputs)
Generic process for all ops that don't have specific implementations.
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protected abstract ExprNodeDesc |
processColumnDesc(NodeProcessorCtx procCtx,
ExprNodeColumnDesc cd)
Process column desc.
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public Object process(Node nd, Stack<Node> stack, NodeProcessorCtx procCtx, Object... nodeOutputs) throws SemanticException
NodeProcessor
process
in interface NodeProcessor
nd
- operator to processprocCtx
- operator processor contextnodeOutputs
- A variable argument list of outputs from other nodes in the walkSemanticException
protected abstract ExprNodeDesc processColumnDesc(NodeProcessorCtx procCtx, ExprNodeColumnDesc cd)
procCtx
- cd
- Copyright © 2019 The Apache Software Foundation. All rights reserved.