Package com.arcadedb.query.sql.executor
Class ProjectionCalculationStep
- java.lang.Object
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- com.arcadedb.query.sql.executor.AbstractExecutionStep
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- com.arcadedb.query.sql.executor.ProjectionCalculationStep
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- All Implemented Interfaces:
ExecutionStep
,ExecutionStepInternal
- Direct Known Subclasses:
AggregateProjectionCalculationStep
public class ProjectionCalculationStep extends AbstractExecutionStep
Created by luigidellaquila on 12/07/16.
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Field Summary
Fields Modifier and Type Field Description protected long
cost
protected Projection
projection
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Fields inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep
ctx, next, prev, profilingEnabled, timedOut
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Constructor Summary
Constructors Constructor Description ProjectionCalculationStep(Projection projection, CommandContext ctx, boolean profilingEnabled)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description boolean
canBeCached()
ExecutionStep
copy(CommandContext ctx)
long
getCost()
returns the absolute cost (in nanoseconds) of the execution of this stepString
prettyPrint(int depth, int indent)
ResultSet
syncPull(CommandContext ctx, int nRecords)
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Methods inherited from class com.arcadedb.query.sql.executor.AbstractExecutionStep
close, getContext, getCostFormatted, getNext, getPrev, isProfilingEnabled, isTimedOut, sendTimeout, setNext, setPrevious, setProfilingEnabled
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface com.arcadedb.query.sql.executor.ExecutionStep
toResult
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Methods inherited from interface com.arcadedb.query.sql.executor.ExecutionStepInternal
deserialize, getDescription, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, reset, serialize
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Field Detail
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projection
protected final Projection projection
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cost
protected long cost
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Constructor Detail
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ProjectionCalculationStep
public ProjectionCalculationStep(Projection projection, CommandContext ctx, boolean profilingEnabled)
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Method Detail
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syncPull
public ResultSet syncPull(CommandContext ctx, int nRecords) throws TimeoutException
- Throws:
TimeoutException
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prettyPrint
public String prettyPrint(int depth, int indent)
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getCost
public long getCost()
Description copied from interface:ExecutionStep
returns the absolute cost (in nanoseconds) of the execution of this step- Returns:
- the absolute cost (in nanoseconds) of the execution of this step, -1 if not calculated
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canBeCached
public boolean canBeCached()
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copy
public ExecutionStep copy(CommandContext ctx)
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