Package org.apache.calcite.rel.convert
package org.apache.calcite.rel.convert
Defines relational expressions and rules for converting between calling
conventions.
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ClassDescriptionA relational expression implements the interface
Converter
to indicate that it converts a physical attribute, ortrait
, of a relational expression from one value to another.Abstract implementation ofConverter
.Abstract base class for a rule which converts from one calling convention to another without changing semantics.Rule configuration.TraitMatchingRule adapts a converter rule, restricting it to fire only when its input already matches the expected output trait.Rule configuration.