chunweilei commented on issue #1160: [CALCITE-2712] Add rule to eliminate unnecessary outer join URL: https://github.com/apache/calcite/pull/1160#issuecomment-485235155 Update the PR including: * Remove utility methods shift and canRemoveJoin after using more general methods to indicate whether the join can be removed * Use AggregateCall.transform to generate new aggregate calls. * Add getAllFields to get all fields from an aggregate in RelOptUtil.java.
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