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From Mingmin Xu <>
Subject how to declare a column monotonic in a StreamableTable
Date Wed, 01 Mar 2017 01:56:10 GMT
Hello all,

I'm writing some examples to understand the execution plan(more exactly
RelNode) of Calcite Streaming, and meet the error 'Streaming aggregation
requires at least one monotonic expression in GROUP BY clause' with
GROUP-BY.  Can anybody share an Java example on how to declare a column
monotonic in a StreamableTable? And, can I disable this check rule?

Thank you!

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