Package 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	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	Deprecated.

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	FilterTableScanRule(RelOptRuleOperand operand, java.lang.String description)	Deprecated.
protected	FilterTableScanRule(RelOptRuleOperand operand, RelBuilderFactory relBuilderFactory, java.lang.String description)	Creates a FilterTableScanRule.

Method Summary

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

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

PREDICATE

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

Deprecated.

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

@Deprecated
protected FilterTableScanRule(RelOptRuleOperand operand,
                              java.lang.String description)

Deprecated.

FilterTableScanRule

protected FilterTableScanRule(RelOptRuleOperand operand,
                              RelBuilderFactory relBuilderFactory,
                              java.lang.String description)

Creates a FilterTableScanRule.

Method Detail

test

public static boolean test(TableScan scan)

apply

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