org.apache.calcite.rel.rules

Interface ReduceExpressionsRule.Config

All Superinterfaces:

RelRule.Config

All Known Subinterfaces:

ReduceExpressionsRule.CalcReduceExpressionsRule.Config, ReduceExpressionsRule.FilterReduceExpressionsRule.Config, ReduceExpressionsRule.JoinReduceExpressionsRule.Config, ReduceExpressionsRule.ProjectReduceExpressionsRule.Config, ReduceExpressionsRule.WindowReduceExpressionsRule.Config

Enclosing class:

ReduceExpressionsRule<C extends ReduceExpressionsRule.Config>

public static interface ReduceExpressionsRule.Config
extends RelRule.Config

Rule configuration.

Field Summary

Fields inherited from interface org.apache.calcite.plan.RelRule.Config

EMPTY

Method Summary

Modifier and Type	Method and Description
boolean	matchNullability() Whether to add a CAST when a nullable expression reduces to a NOT NULL literal.
ReduceExpressionsRule<?>	toRule() Creates a rule that uses this configuration.
ReduceExpressionsRule.Config	withMatchNullability(boolean matchNullability) Sets matchNullability().
default ReduceExpressionsRule.Config	withOperandFor(Class<? extends RelNode> relClass) Defines an operand tree for the given classes.

Methods inherited from interface org.apache.calcite.plan.RelRule.Config

as, description, operandSupplier, relBuilderFactory, withDescription, withOperandSupplier, withRelBuilderFactory

Method Detail

toRule

ReduceExpressionsRule<?> toRule()

Description copied from interface: RelRule.Config

Creates a rule that uses this configuration. Sub-class must override.

Specified by:

toRule in interface RelRule.Config

matchNullability

boolean matchNullability()

Whether to add a CAST when a nullable expression reduces to a NOT NULL literal.

withMatchNullability

ReduceExpressionsRule.Config withMatchNullability(boolean matchNullability)

Sets matchNullability().

withOperandFor

default ReduceExpressionsRule.Config withOperandFor(Class<? extends RelNode> relClass)

Defines an operand tree for the given classes.