[jira] [Created] (CALCITE-4224) Add an API for RelNode to output its tree digest like RelOptUtil.toString

[Jiatao Tao (Jira)]

Jiatao Tao created CALCITE-4224:
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             Summary: Add an API for RelNode to output its tree digest like 
RelOptUtil.toString
                 Key: CALCITE-4224
                 URL: https://issues.apache.org/jira/browse/CALCITE-4224
             Project: Calcite
          Issue Type: Improvement
          Components: core
            Reporter: Jiatao Tao
            Assignee: Jiatao Tao






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