kishoreg commented on issue #4219: Support SQL in Pinot. URL: https://github.com/apache/incubator-pinot/issues/4219#issuecomment-495022959 @walterddr the plan is to only use the parser phase of calcite. I don't see using the optimizers in calcite will provide any value because of the following - Most of the optimizers in calcite optimize the logical plan (suitable for complex joins/nested queries etc). We cannot leverage them since Pinot does not support joins and nested queries - Pinot comes up with per segment optimized physical plan based on each segment's metadata. Calcite does not support this.
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