org.apache.drill.exec.planner.logical

Class DrillJoinRel

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.calcite.rel.BiRel

org.apache.calcite.rel.core.Join

org.apache.drill.exec.planner.common.DrillJoinRelBase

org.apache.drill.exec.planner.logical.DrillJoinRel

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode, DrillRelNode, DrillJoin, DrillRel

Direct Known Subclasses:

RowKeyJoinRel

public class DrillJoinRel
extends DrillJoinRelBase
implements DrillRel

Logical Join implemented in Drill.

Nested Class Summary

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

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields

Modifier and Type	Field and Description
static String	EQUALITY_CONDITION

Fields inherited from class org.apache.drill.exec.planner.common.DrillJoinRelBase

filterNulls, leftKeys, rightKeys

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

condition, joinInfo, joinType, variablesSet

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

left, right

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

digest, id, rowType, traitSet

Fields inherited from interface org.apache.drill.exec.planner.logical.DrillRel

DRILL_LOGICAL

Constructor Summary

Constructors

Constructor and Description
DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rex.RexNode condition, org.apache.calcite.rel.core.JoinRelType joinType)
DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rex.RexNode condition, org.apache.calcite.rel.core.JoinRelType joinType, int joinControl)
DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster, org.apache.calcite.plan.RelTraitSet traits, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rex.RexNode condition, org.apache.calcite.rel.core.JoinRelType joinType, List<Integer> leftKeys, List<Integer> rightKeys)

Method Summary

Modifier and Type	Method and Description
static DrillJoinRel	convert(Join join, ConversionContext context)
DrillJoinRel	copy(org.apache.calcite.plan.RelTraitSet traitSet, org.apache.calcite.rex.RexNode condition, org.apache.calcite.rel.RelNode left, org.apache.calcite.rel.RelNode right, org.apache.calcite.rel.core.JoinRelType joinType, boolean semiJoinDone)
protected static org.apache.calcite.rex.RexNode	getJoinCondition(Join join, ConversionContext context)
protected static org.apache.calcite.util.Pair<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode>	getJoinInputs(Join join, ConversionContext context)
LogicalOperator	implement(DrillImplementor implementor)
static LogicalOperator	implementInput(DrillImplementor implementor, int i, int offset, org.apache.calcite.rel.RelNode input, DrillRel currentNode, List<String> parentFields) Check to make sure that the fields of the inputs are the same as the output field names.

Methods inherited from class org.apache.drill.exec.planner.common.DrillJoinRelBase

computeCartesianJoinCost, computeHashJoinCost, computeHashJoinCostWithRowCntKeySize, computeLogicalJoinCost, computeSelfCost, estimateRowCount, getLeftKeys, getRightKeys, isUnique, uniqueFieldNames

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

accept, analyzeCondition, copy, createJoinType, deriveJoinRowType, deriveRowType, estimateJoinedRows, explainTerms, getChildExps, getCondition, getJoinType, getSystemFieldList, getVariablesSet, isSemiJoin, isSemiJoinDone, isValid

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

childrenAccept, getInputs, getLeft, getRight, replaceInput

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

accept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, equals, explain, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesStopped, hashCode, isDistinct, isKey, 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, computeSelfCost, copy, estimateRowCount, explain, getChildExps, getCollationList, getConvention, getCorrelVariable, getExpectedInputRowType, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getVariablesSet, getVariablesStopped, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput

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

getCluster, getDescription, getDigest, getId, getTraitSet

Methods inherited from interface org.apache.drill.exec.planner.logical.DrillJoin

getCondition, getJoinType, getLeft, getRight, isSemiJoin

Field Detail

EQUALITY_CONDITION

public static final String EQUALITY_CONDITION

See Also:

Constant Field Values

Constructor Detail

DrillJoinRel

public DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster,
                    org.apache.calcite.plan.RelTraitSet traits,
                    org.apache.calcite.rel.RelNode left,
                    org.apache.calcite.rel.RelNode right,
                    org.apache.calcite.rex.RexNode condition,
                    org.apache.calcite.rel.core.JoinRelType joinType)

DrillJoinRel

public DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster,
                    org.apache.calcite.plan.RelTraitSet traits,
                    org.apache.calcite.rel.RelNode left,
                    org.apache.calcite.rel.RelNode right,
                    org.apache.calcite.rex.RexNode condition,
                    org.apache.calcite.rel.core.JoinRelType joinType,
                    int joinControl)

DrillJoinRel

public DrillJoinRel(org.apache.calcite.plan.RelOptCluster cluster,
                    org.apache.calcite.plan.RelTraitSet traits,
                    org.apache.calcite.rel.RelNode left,
                    org.apache.calcite.rel.RelNode right,
                    org.apache.calcite.rex.RexNode condition,
                    org.apache.calcite.rel.core.JoinRelType joinType,
                    List<Integer> leftKeys,
                    List<Integer> rightKeys)
             throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

Method Detail

copy

public DrillJoinRel copy(org.apache.calcite.plan.RelTraitSet traitSet,
                         org.apache.calcite.rex.RexNode condition,
                         org.apache.calcite.rel.RelNode left,
                         org.apache.calcite.rel.RelNode right,
                         org.apache.calcite.rel.core.JoinRelType joinType,
                         boolean semiJoinDone)

Specified by:

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

implement

public LogicalOperator implement(DrillImplementor implementor)

Specified by:

implement in interface DrillRel

implementInput

public static LogicalOperator implementInput(DrillImplementor implementor,
                                             int i,
                                             int offset,
                                             org.apache.calcite.rel.RelNode input,
                                             DrillRel currentNode,
                                             List<String> parentFields)

Check to make sure that the fields of the inputs are the same as the output field names. If not, insert a project renaming them.

Parameters:

implementor -

i -

offset -

input -

currentNode - the node to be implemented

Returns:

getJoinInputs

protected static org.apache.calcite.util.Pair<org.apache.calcite.rel.RelNode,org.apache.calcite.rel.RelNode> getJoinInputs(Join join,
                                                                                                                           ConversionContext context)
                                                                                                                    throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

getJoinCondition

protected static org.apache.calcite.rex.RexNode getJoinCondition(Join join,
                                                                 ConversionContext context)
                                                          throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException

convert

public static DrillJoinRel convert(Join join,
                                   ConversionContext context)
                            throws org.apache.calcite.rel.InvalidRelException

Throws:

org.apache.calcite.rel.InvalidRelException