Julian Hyde created CALCITE-6024:
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             Summary: ListSqlOperatorTable is inefficient
                 Key: CALCITE-6024
                 URL: https://issues.apache.org/jira/browse/CALCITE-6024
             Project: Calcite
          Issue Type: Improvement
            Reporter: Julian Hyde


{{ListSqlOperatorTable}} is inefficient if it contains a large number of 
operators. It currently examines the operators one by one. 
{{ReflectiveSqlOperatorTable}} (and its subclass, {{SqlStdOperatorTable}}) 
builds a map of operators by name (actually two maps, one case-sensitive and 
one case-insensitive).

{{ListSqlOperatorTable}} should do the same, at least in its immutable form.



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