Package org.apache.calcite.rex

Interface RexPattern

public interface RexPattern

A RexPattern represents an expression with holes in it. The match(org.apache.calcite.rex.RexNode, org.apache.calcite.rex.RexAction) method tests whether a given expression matches the pattern.

Method Summary

Modifier and Type	Method	Description
void	match(RexNode ptree, RexAction action)	Calls action for every combination of tokens for which this pattern matches.

Method Detail

match

void match(RexNode ptree,
           RexAction action)

Calls action for every combination of tokens for which this pattern matches.