org.apache.hadoop.hive.ql.optimizer.calcite.reloperators

Class HiveTableFunctionScan

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.core.TableFunctionScan

org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveTableFunctionScan

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, HiveRelNode

public class HiveTableFunctionScan
extends org.apache.calcite.rel.core.TableFunctionScan
implements HiveRelNode

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields inherited from class org.apache.calcite.rel.core.TableFunctionScan

columnMappings

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

Fields inherited from interface org.apache.hadoop.hive.ql.optimizer.calcite.reloperators.HiveRelNode

CONVENTION

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HiveTableFunctionScan(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, org.apache.calcite.rex.RexNode rexCall, Type elementType, org.apache.calcite.rel.type.RelDataType rowType, Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)

Method Summary

Modifier and Type	Method and Description
boolean	containsInputRefMapping(int inputRef) Check to see if the inputRef is in the column mappings.
org.apache.calcite.rel.core.TableFunctionScan	copy(org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, org.apache.calcite.rex.RexNode rexCall, Type elementType, org.apache.calcite.rel.type.RelDataType rowType, Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)
static HiveTableFunctionScan	create(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traitSet, List<org.apache.calcite.rel.RelNode> inputs, org.apache.calcite.rex.RexNode rexCall, Type elementType, org.apache.calcite.rel.type.RelDataType rowType, Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)

Methods inherited from class org.apache.calcite.rel.core.TableFunctionScan

accept, copy, estimateRowCount, explainTerms, getCall, getColumnMappings, getElementType, getInputs, replaceInput

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, deepEquals, deepHashCode, deriveRowType, equals, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, sole, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.calcite.rel.RelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeSelfCost, copy, deepEquals, deepHashCode, estimateRowCount, explain, getConvention, getCorrelVariable, getDigest, getExpectedInputRowType, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getVariablesSet, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

Methods inherited from interface org.apache.calcite.plan.RelOptNode

getCluster, getDescription, getId, getTraitSet

Constructor Detail

HiveTableFunctionScan

protected HiveTableFunctionScan(org.apache.calcite.plan.RelOptCluster cluster,
                                org.apache.calcite.plan.RelTraitSet traitSet,
                                List<org.apache.calcite.rel.RelNode> inputs,
                                org.apache.calcite.rex.RexNode rexCall,
                                Type elementType,
                                org.apache.calcite.rel.type.RelDataType rowType,
                                Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)

Parameters:

cluster - cluster - Cluster that this relational expression belongs to

traitSet -

inputs - inputs - 0 or more relational inputs

rexCall - rexCall - Function invocation expression

elementType - elementType - Element type of the collection that will implement this table

rowType - rowType - Row type produced by function

columnMappings - columnMappings - Column mappings associated with this function

Method Detail

create

public static HiveTableFunctionScan create(org.apache.calcite.plan.RelOptCluster cluster,
                                           org.apache.calcite.plan.RelTraitSet traitSet,
                                           List<org.apache.calcite.rel.RelNode> inputs,
                                           org.apache.calcite.rex.RexNode rexCall,
                                           Type elementType,
                                           org.apache.calcite.rel.type.RelDataType rowType,
                                           Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)
                                    throws CalciteSemanticException

Throws:

CalciteSemanticException

copy

public org.apache.calcite.rel.core.TableFunctionScan copy(org.apache.calcite.plan.RelTraitSet traitSet,
                                                          List<org.apache.calcite.rel.RelNode> inputs,
                                                          org.apache.calcite.rex.RexNode rexCall,
                                                          Type elementType,
                                                          org.apache.calcite.rel.type.RelDataType rowType,
                                                          Set<org.apache.calcite.rel.metadata.RelColumnMapping> columnMappings)

Specified by:

copy in class org.apache.calcite.rel.core.TableFunctionScan

containsInputRefMapping

public boolean containsInputRefMapping(int inputRef)

Check to see if the inputRef is in the column mappings.