Julian Hyde created CALCITE-1821: ------------------------------------ Summary: Support typed columns in Druid Key: CALCITE-1821 URL: https://issues.apache.org/jira/browse/CALCITE-1821 Project: Calcite Issue Type: Bug Reporter: Julian Hyde Assignee: Julian Hyde
Druid 0.10 introduces typed columns. We should make Calcite's Druid adapter aware of types. Here are the improvements: * group by druid metrics; * filter by druid metrics; * we can send a hint to druid that a dimension is a number that can make aggregation more efficient; * virtual column that can be used as arbitrary expression over metrics. [~bslim], By "typed columns" do you mean [numeric dimensions|http://druid.io/docs/0.10.0/ingestion/schema-design.html#numeric-dimensions]. If so let's be consistent with Druid's terminology. -- This message was sent by Atlassian JIRA (v6.3.15#6346)