Haisheng Yuan created CALCITE-3983:
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Summary: Add utility methods to RelTraitSet
Key: CALCITE-3983
URL: https://issues.apache.org/jira/browse/CALCITE-3983
Project: Calcite
Issue Type: Improvement
Components: core
Reporter: Haisheng Yuan
Add the following methods to RelTraitSet:
{code:java}
boolean isDefault(boolean ignoreConvention=true);
// Convenient methods to get the reltrait defined by
// Calcite, should throw exception if default trait
// defs are not registered.
getConvention();
getDistribution();
getCollation();{code}
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