Class InfoSchemaGroupScan
java.lang.Object
org.apache.drill.exec.physical.base.AbstractBase
org.apache.drill.exec.physical.base.AbstractGroupScan
org.apache.drill.exec.store.ischema.InfoSchemaGroupScan
- All Implemented Interfaces:
Iterable<PhysicalOperator>
,GraphValue<PhysicalOperator>
,FragmentLeaf
,GroupScan
,HasAffinity
,Leaf
,PhysicalOperator
,Scan
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Field Summary
Fields inherited from class org.apache.drill.exec.physical.base.AbstractBase
INIT_ALLOCATION, initialAllocation, MAX_ALLOCATION, maxAllocation, userName
Fields inherited from interface org.apache.drill.exec.physical.base.GroupScan
ALL_COLUMNS
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
applyAssignments
(List<CoordinationProtos.DrillbitEndpoint> endpoints) clone
(List<SchemaPath> columns) Returns a clone of GroupScan instance, except that the new GroupScan will use the provided list of columns .Returns a list of columns scanned by this group scanReturns a signature of theGroupScan
which should usually be composed of all its attributes which could describe it uniquely.int
getNewWithChildren
(List<PhysicalOperator> children) Regenerate with this node with a new set of children.getSpecificScan
(int minorFragmentId) getTable()
boolean
Methods inherited from class org.apache.drill.exec.physical.base.AbstractGroupScan
accept, applyFilter, applyLimit, canPushdownProjects, enforceWidth, getAnalyzeInfoProvider, getColumnValueCount, getDistributionAffinity, getFiles, getFilter, getInitialAllocation, getMaxAllocation, getMetadataProvider, getMinParallelizationWidth, getOperatorAffinity, getOperatorType, getPartitionColumns, getScanStats, getScanStats, getSelectionRoot, getTableMetadata, hasFiles, isDistributed, isExecutable, iterator, supportsFilterPushDown, supportsLimitPushdown, supportsPartitionFilterPushdown, usedMetastore
Methods inherited from class org.apache.drill.exec.physical.base.AbstractBase
accept, getCost, getOperatorId, getSVMode, getUserName, isBufferedOperator, setCost, setMaxAllocation, setOperatorId
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.apache.drill.common.graph.GraphValue
accept
Methods inherited from interface java.lang.Iterable
forEach, spliterator
Methods inherited from interface org.apache.drill.exec.physical.base.PhysicalOperator
getCost, getOperatorId, getSVMode, getUserName, isBufferedOperator, setCost, setMaxAllocation, setOperatorId
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Constructor Details
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InfoSchemaGroupScan
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InfoSchemaGroupScan
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Method Details
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getTable
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getSchemaFilter
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getColumns
Description copied from interface:GroupScan
Returns a list of columns scanned by this group scan- Specified by:
getColumns
in interfaceGroupScan
- Overrides:
getColumns
in classAbstractGroupScan
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applyAssignments
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getSpecificScan
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getScanStats
- Overrides:
getScanStats
in classAbstractGroupScan
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getMaxParallelizationWidth
public int getMaxParallelizationWidth() -
getNewWithChildren
Description copied from interface:PhysicalOperator
Regenerate with this node with a new set of children. This is used in the case of materialization or optimization. -
getDigest
Description copied from interface:GroupScan
Returns a signature of theGroupScan
which should usually be composed of all its attributes which could describe it uniquely. -
clone
Description copied from interface:GroupScan
Returns a clone of GroupScan instance, except that the new GroupScan will use the provided list of columns .- Specified by:
clone
in interfaceGroupScan
- Overrides:
clone
in classAbstractGroupScan
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isFilterPushedDown
public boolean isFilterPushedDown()
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