Package com.arcadedb.query.sql.executor
Class FetchFromSchemaDatabaseStep
- java.lang.Object
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- com.arcadedb.query.sql.executor.AbstractExecutionStep
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- com.arcadedb.query.sql.executor.FetchFromSchemaDatabaseStep
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- All Implemented Interfaces:
ExecutionStep
,ExecutionStepInternal
public class FetchFromSchemaDatabaseStep extends AbstractExecutionStep
Returns an OResult containing metadata regarding the database- Author:
- Luigi Dell'Aquila (luigi.dellaquila-(at)-gmail.com)
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Field Summary
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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 FetchFromSchemaDatabaseStep(CommandContext ctx, boolean profilingEnabled)
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description 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
canBeCached, copy, deserialize, getDescription, getName, getSubExecutionPlans, getSubSteps, getTargetNode, getType, reset, serialize
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Constructor Detail
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FetchFromSchemaDatabaseStep
public FetchFromSchemaDatabaseStep(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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