public class HepRuleCall extends RelOptRuleCall
|Modifier and Type||Method and Description|
Registers that a rule has produced an equivalent relational expression.
builder, getChildRels, getMetadataQuery, getOperand0, getParents, getPlanner, getRelList, getRels, getRule, rel, setChildRels, transformTo
Called by the rule whenever it finds a match. The implementation of
this method guarantees that the original relational expression (that is,
this.rels) has its traits propagated to the new
relational expression (
rel) and its unregistered children.
Any trait not specifically set in the RelTraitSet returned by
rel.getTraits() will be copied from
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