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From jianqiao <...@git.apache.org>
Subject [GitHub] incubator-quickstep issue #155: Add min/max statistics and the exactness fla...
Date Fri, 06 Jan 2017 01:19:04 GMT
Github user jianqiao commented on the issue:

    @zuyu It is expected that `statistics_` always gets  initialized when a `CatalogRelationSchema`
gets constructed. Perhaps there is some change in your branch that leaves this field uninitialized?
You can add checks at different stages (e.g. `ExecutionGenerator`, `SaveBlocksOperator::getAllWorkOrder`
/ `SaveBlocksOperator::getAllWorkOrderProtos`) to see if the field is null.

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