Class AppendOnceFlow
Object
org.apache.spark.sql.pipelines.graph.AppendOnceFlow
- All Implemented Interfaces:
- org.apache.spark.internal.Logging,- Flow,- GraphElement,- Input,- ResolutionCompletedFlow,- ResolvedFlow
A 
Flow that reads source[s] completely and appends data to the target, just once.- 
Nested Class SummaryNested classes/interfaces inherited from interface org.apache.spark.internal.Loggingorg.apache.spark.internal.Logging.LogStringContext, org.apache.spark.internal.Logging.SparkShellLoggingFilter
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Constructor SummaryConstructors
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Method SummaryModifier and TypeMethodDescriptionorg.apache.spark.sql.catalyst.TableIdentifierThe dataset that this Flow represents a write to.flow()org.apache.spark.sql.catalyst.TableIdentifierReturns the unique identifier for thisGraphElement.booleanonce()Whether this is a ONCE flow.Methods inherited from class java.lang.Objectequals, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitMethods inherited from interface org.apache.spark.sql.pipelines.graph.GraphElementdisplayName, sparkMethods inherited from interface org.apache.spark.internal.LogginginitializeForcefully, initializeLogIfNecessary, initializeLogIfNecessary, initializeLogIfNecessary$default$2, isTraceEnabled, log, logBasedOnLevel, logDebug, logDebug, logDebug, logDebug, logError, logError, logError, logError, logInfo, logInfo, logInfo, logInfo, logName, LogStringContext, logTrace, logTrace, logTrace, logTrace, logWarning, logWarning, logWarning, logWarning, MDC, org$apache$spark$internal$Logging$$log_, org$apache$spark$internal$Logging$$log__$eq, withLogContextMethods inherited from interface org.apache.spark.sql.pipelines.graph.ResolutionCompletedFlowfunc, origin, queryContext, sqlConfMethods inherited from interface org.apache.spark.sql.pipelines.graph.ResolvedFlowdf, inputs, load, schema
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Constructor Details- 
AppendOnceFlow
 
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Method Details- 
destinationIdentifierpublic org.apache.spark.sql.catalyst.TableIdentifier destinationIdentifier()Description copied from interface:FlowThe dataset that this Flow represents a write to.- Specified by:
- destinationIdentifierin interface- Flow
- Specified by:
- destinationIdentifierin interface- ResolutionCompletedFlow
- Returns:
- (undocumented)
 
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flow- Specified by:
- flowin interface- ResolutionCompletedFlow
 
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funcResult- Specified by:
- funcResultin interface- ResolutionCompletedFlow
 
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identifierpublic org.apache.spark.sql.catalyst.TableIdentifier identifier()Description copied from interface:GraphElementReturns the unique identifier for thisGraphElement.- Specified by:
- identifierin interface- Flow
- Specified by:
- identifierin interface- GraphElement
- Specified by:
- identifierin interface- ResolutionCompletedFlow
 
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oncepublic boolean once()Description copied from interface:FlowWhether this is a ONCE flow. ONCE flows should run only once per full refresh.
 
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