org.apache.calcite.rel.rules

Class FilterTableScanRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.rules.FilterTableScanRule

public abstract class FilterTableScanRule
extends RelOptRule

Planner rule that converts a Filter on a TableScan of a FilterableTable or a ProjectableFilterableTable to a Bindables.BindableTableScan.

The INTERPRETER variant allows an intervening EnumerableInterpreter.

See Also:

ProjectTableScanRule

Field Summary

Fields

Modifier and Type	Field and Description
static FilterTableScanRule	INSTANCE Rule that matches Filter on TableScan.
static FilterTableScanRule	INTERPRETER Rule that matches Filter on EnumerableInterpreter on TableScan.
static com.google.common.base.Predicate<TableScan>	PREDICATE

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

description, operands

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FilterTableScanRule(RelOptRuleOperand operand, String description) Creates a FilterTableRule.

Method Summary

Methods

Modifier and Type	Method and Description
protected void	apply(RelOptRuleCall call, Filter filter, TableScan scan)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

PREDICATE

public static final com.google.common.base.Predicate<TableScan> PREDICATE

INSTANCE

public static final FilterTableScanRule INSTANCE

Rule that matches Filter on TableScan.

INTERPRETER

public static final FilterTableScanRule INTERPRETER

Rule that matches Filter on EnumerableInterpreter on TableScan.

Constructor Detail

FilterTableScanRule

protected FilterTableScanRule(RelOptRuleOperand operand,
                   String description)

Creates a FilterTableRule.

Method Detail

apply

protected void apply(RelOptRuleCall call,
         Filter filter,
         TableScan scan)