Class AbstractSchemaMergeNode
- java.lang.Object
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- org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode
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- org.apache.iotdb.db.mpp.plan.planner.plan.node.process.ProcessNode
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- org.apache.iotdb.db.mpp.plan.planner.plan.node.metedata.read.AbstractSchemaMergeNode
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- All Implemented Interfaces:
org.apache.iotdb.consensus.common.request.IConsensusRequest
- Direct Known Subclasses:
CountSchemaMergeNode,SchemaFetchMergeNode,SchemaQueryMergeNode
public abstract class AbstractSchemaMergeNode extends ProcessNode
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Field Summary
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Fields inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode
CHILD_COUNT_NO_LIMIT, NO_CHILD_ALLOWED, ONE_CHILD
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Constructor Summary
Constructors Constructor Description AbstractSchemaMergeNode(PlanNodeId id)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description voidaddChild(PlanNode child)intallowedChildCount()java.util.List<PlanNode>getChildren()java.util.List<java.lang.String>getOutputColumnNames()-
Methods inherited from class org.apache.iotdb.db.mpp.plan.planner.plan.node.PlanNode
accept, clone, cloneWithChildren, equals, getPlanNodeId, hashCode, serialize, serialize, serializeAttributes, serializeAttributes, serializeToByteBuffer, setPlanNodeId
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Constructor Detail
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AbstractSchemaMergeNode
public AbstractSchemaMergeNode(PlanNodeId id)
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Method Detail
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getChildren
public java.util.List<PlanNode> getChildren()
- Specified by:
getChildrenin classPlanNode
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allowedChildCount
public int allowedChildCount()
- Specified by:
allowedChildCountin classPlanNode
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getOutputColumnNames
public java.util.List<java.lang.String> getOutputColumnNames()
- Specified by:
getOutputColumnNamesin classPlanNode
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