org.apache.drill.exec.store.mapr.db

Class MapRDBPushLimitIntoScan

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.drill.exec.store.StoragePluginOptimizerRule

org.apache.drill.exec.store.mapr.db.MapRDBPushLimitIntoScan

public abstract class MapRDBPushLimitIntoScan
extends StoragePluginOptimizerRule

Field Summary

Fields

Modifier and Type	Field and Description
static StoragePluginOptimizerRule	LIMIT_ON_PROJECT
static StoragePluginOptimizerRule	LIMIT_ON_RKJOIN
static StoragePluginOptimizerRule	LIMIT_ON_SCAN

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Method Summary

Modifier and Type	Method and Description
protected void	doPushLimitIntoGroupScan(org.apache.calcite.plan.RelOptRuleCall call, LimitPrel limit, ProjectPrel project, ScanPrel scan, GroupScan groupScan)
protected void	doPushLimitIntoRowKeyJoin(org.apache.calcite.plan.RelOptRuleCall call, LimitPrel limit, ProjectPrel project, RowKeyJoinPrel join)

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, onMatch, operand, operand, operand, operand, operand, operandJ, operandJ, some, toString, unordered

Methods inherited from class java.lang.Object

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

Field Detail

LIMIT_ON_SCAN

public static final StoragePluginOptimizerRule LIMIT_ON_SCAN

LIMIT_ON_PROJECT

public static final StoragePluginOptimizerRule LIMIT_ON_PROJECT

LIMIT_ON_RKJOIN

public static final StoragePluginOptimizerRule LIMIT_ON_RKJOIN

Method Detail

doPushLimitIntoGroupScan

protected void doPushLimitIntoGroupScan(org.apache.calcite.plan.RelOptRuleCall call,
                                        LimitPrel limit,
                                        ProjectPrel project,
                                        ScanPrel scan,
                                        GroupScan groupScan)

doPushLimitIntoRowKeyJoin

protected void doPushLimitIntoRowKeyJoin(org.apache.calcite.plan.RelOptRuleCall call,
                                         LimitPrel limit,
                                         ProjectPrel project,
                                         RowKeyJoinPrel join)